HUSSONG MANUFACTURING CO., INC.
O A K P O R T - 1 8 - L
O A K P O R T - 1 8 - M V
Models
#OAK-18-L
&
#OAK-18-MV
Direct Vent Gas Stove
Hussong Mfg. Co., Inc.
OAK-18-L & OAK-18-MV Report No: 19-463
INSTALLATION AND
OPERATION MANUAL
Rev. 7, April 2022
Starting Serial Number: 22 33850 26
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do
not use any phone in your building.
• Leave the building immediately.
• Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier,
call the fire department.
Installation and service must be performed
by a qualified installer, service agency or
the gas supplier.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in
serious injury, death, or
property damage.
English and French installation manuals are available through your
local dealer. Visit our website www.kozyheat.com.
Les manuels d’installation en français et en anglais sont disponibles
chez votre détaillant local. Visitez www.kozyheat.com.
HOT GLASS WILL
CAUSE BURNS
DO NOT TOUCH GLASS
UNTIL COOLED
NEVER ALLOW CHILDREN
TO TOUCH GLASS
A barrier designed to reduce the risk of burns
from the hot viewing glass is provided with this
appliance and shall be installed for the
protection
of children and other at-risk individuals.
DANGER
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
This appliance may be installed in
an aftermarket, permanently located,
manufactured home (USA only) or mobile
home, where not prohibited by local codes.
This appliance is only for use with the type
of gas indicated on the rating plate. This
appliance is not convertible for use with other
gases, unless a certified kit is used.
HOMEOWNER REFERENCE INFORMATION
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#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
Read this manual before installing or operating this appliance.
Please retain this owner’s manual for future reference.
CONGRATULATIONS!
Hussong Manufacturing welcomes you as a new owner of a Kozy Heat gas fireplace. Kozy Heat products are
designed with superior components and materials, assembled with care by trained craftsmen who take pride in their
work. To ensure you receive a quality product, the burner and valve assembly are 100 percent test-fired, and the
complete fireplace is thoroughly inspected before packaging. Our commitment to quality and customer
satisfaction has remained the same for over 40 years. We offer a complete line of gas, wood, and electric
fireplaces, along with stylish accessories to complement any decor. Adding a fireplace is one of the best ways
to increase the value of your home, and we are proud to offer a network of dealers throughout the country to help
make your experience everything you imagine. We pride ourselves in being dedicated not only to functionality
and reliability, but also customer safety. We offer our continual support and guidance to help you achieve the
maximum benefit and enjoyment from your Kozy Heat gas fireplace.
Jim Hussong
President
Dudley Hussong
Board Chairman
Homeowner Reference Information
We recommend you record the following information:
Model Name:
Date
purchased/installed:
Serial Number: Location of fireplace:
Dealership Purchased from:
Dealer
phone:
Notes:
TABLE OF CONTENTS
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#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
TABLE OF CONTENTS
HOMEOWNER REFERENCE INFORMATION ................................... 3
TABLE OF CONTENTS ..................................................................... 5
1.0 INTRODUCTION ....................................................................... 7
1.1 Appliance Certification ............................................................................
7
1.2 California Proposition 65 Warning ........................................................7
1.3 Requirements for the Commonwealth of Massachusetts ................7
2.0 SPECIFICATIONS ..................................................................... 8
2.1 Heating
Specifications
.............................................................................
8
2.2 Electrical Specifications ..............................................................................8
2.3 Appliance Dimensions ..............................................................................9
2.4 Safety Barrier Dimensions ....................................................................... 10
3.0 FRAMING .................................................................................11
3.1 Appliance Placement Considerations ..................................................
11
3.2 Floor Support and Protection ................................................................ 11
3.3 Clearances to Combustibles.................................................................... 12
3.4 Vent Termination Framing ....................................................................... 13
3.5
Outdoor
Covered
Fireplace
Installation
................................................ 14
4.0 GAS LINE
CONNECTION
...........................................................16
4.1
Gas
Conversion
(sold
separately)
............................................................ 16
4.2
Gas
Pressures .............................................................................................. 16
4.3 Gas Line Installation .................................................................................. 16
5.0 TERMINATION LOCATIONS ....................................................17
5.1
Vertical Vent
Cap Termination
................................................................. 17
5.2 Minimum Termination Clearances ....................................................... 18
6.0 VENTING ..................................................................................19
6.1
Approved 4” x 6-5/8” Vent
Systems
............................................................ 19
6.2 Venting Requirements ...............................................................................
19
6.3
Use of Elbows
.............................................................................................. 19
6.4 Vent Restriction .......................................................................................... 20
6.5
Vertical
Terminations ................................................................................. 21
6.6 Combination Venting ................................................................................22
7.0 FIREPLACE SETUP .................................................................. 23
7.1 Safety Barrier
Installation
...........................................................................
23
7.2 Glass Frame
Assembly
................................................................................ 23
7.3
#OP18-500
Log
Set
Installation
................................................................24
7.4 Control Board Removal and Installation ...............................................25
8.0 ELECTRICAL INFORMATION ................................................... 26
8.1 Electrical Specifications .............................................................................26
8.2
Wiring
Requirements ................................................................................. 26
8.3 #OP18-028 Optional Fan Kit (#OAK-18-MV) ...................................... 30
9.0 OPERATING
INSTRUCTIONS
.................................................... 31
9.1
Lighting
Instructions
(#OAK-18-L)
......................................................... 31
9.2 Lighting Instructions (#OAK-18-MV) .................................................... 37
10.0 ADJUSTMENT........................................................................ 39
10.1
Gas
Pressure Testing
................................................................................ 40
10.2 Burner Flame Adjustments ....................................................................41
11.0 TROUBLESHOOTING ............................................................. 44
11.1 Electronic Ignition System .....................................................................44
11.2 Continuous Pilot Ignition (Millivolt) System .....................................46
12.0 MAINTENANCE ..................................................................... 48
12.1 Firebox ........................................................................................................ 48
12.2 Fan (if applicable) .....................................................................................
48
12.3 Vent
System
................................................................................................48
12.4 Glass Assembly ......................................................................................... 48
12.5 Burner and Pilot System .........................................................................49
13.0 REPLACEMENT PARTS
LIST
.................................................. 50
LIMITED LIFETIME
WARRANTY
...................................................... 52
INTRODUCTION
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#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
1.0 INTRODUCTION
1.1 Appliance Certification
Laboratory: PFS in Cottage Grove, Wisconsin
Standards:
ANSI Z21.88-2019/CSA 2.33-2019, Vented Gas Fireplace Heaters
CSA 2.17-2017, Gas-Fired Appliances for Use at High Altitudes
This installation must conform with local codes, or in the absence of
local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or
the Natural Gas and Propane Installation Code, CSA B149.1.
1.2 California Proposition 65 Warning
WARNING: This product can expose you to chemicals including
Carbon Monoxide, that is an externally vented by-product of fuel
combustion, which is [are] known to the State of California to cause
birth defects or other reproductive harm. For more information, visit
www.P65Warnings.ca.gov.
1.3 Requirements for the
Commonwealth of Massachusetts
The following requirements reference various Massachusetts and
national codes not contained in this manual.
For all sidewall horizontally vented gas fueled equipment installed
in every dwelling, building or structure used in whole or in part for
residential purposes, including those owned or operated by the
Commonwealth and where the side wall exhaust vent termination
is less than (7) feet above finished grade in the area of the venting,
including but not limited to decks and porches, the following
requirements shall be satisfied:
1.3.1 Installation of Carbon Monoxide Detectors
At time of installation of side wall horizontally vented gas fueled
equipment, the installing plumber or gas-fitter shall observe that
a hard wired carbon monoxide detector with an alarm and battery
back-up is installed on the floor level where the gas equipment is
to be installed. In addition, the installing plumber or gas-fitter shall
observe that a battery operated or hard wired carbon monoxide
detector is installed on each additional level of the dwelling, building
or structure served by the side wall horizontal vented gas fueled
equipment. It shall be the responsibility of the property owner
to secure the services of qualified licensed professionals for the
installation of hard wired carbon monoxide detectors.
In the event that the side wall horizontally vented gas fueled
equipment is installed in a crawl space or attic, the hard wired carbon
monoxide detector with alarm and battery back-up may be installed
on the next adjacent floor level. In the event that the requirements
of this subdivision cannot be met at the time of completion of
installation, the owner shall have a period of thirty (30) days to
comply with the above requirements; provided, however, that during
said thirty (30) day period, a battery operated carbon monoxide
detector with an alarm shall be installed.
1.3.2 Approved Carbon Monoxide Detectors
Each carbon monoxide detector as required in accordance with the
above provisions shall comply with NFPA 720 and be ANSI/UL 2034
listed and IAS certified.
1.3.3 Signage
A metal or plastic identification plate shall be permanently mounted
to the exterior of the building at a minimum of eight (8) feet
above grade directly in line with the exhaust vent terminal for the
horizontally vented gas fueled heating appliance or equipment. The
sign shall read, in print no less the one-half inch (½) in size, “GAS VENT
DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.
1.3.4 Inspection
The state or local gas inspector of the side wall horizontally vented
gas fueled equipment shall not approve the installation unless, upon
inspection, the inspector observes carbon monoxide detectors and
signage installed in accordance with the provisions of 248 CMR 5.08
(2) (a) 1 through 4.
1.3.5 Exemptions
The following equipment is exempt from 248 CMR 5.08 (2) (a) 1
through 4: The equipment listed in Chapter 10 entitled “Equipment
Not Required To Be Vented” in the most current edition of NFPA 54 as
adopted by the Board; and Product Approved side wall horizontally
vented gas fueled equipment installed in a room or structure separate
from the dwelling, building or structure used in whole or in part for
residential purposes.
1.3.6 Manufacturer Requirements
1.3.6.1
Gas Equipment Venting System Provided
When the manufacturer of Product Approved side wall horizontally
vented gas equipment provides a venting system design or venting
system components with the equipment, the instructions provided
by the manufacturer for installation of the equipment and the
venting system shall include:
•
Detailed instructions for the installation of the venting system
design or the venting system components; and
•
A complete parts list for the venting system design or venting
system.
1.3.7 Gas Equipment Venting
System NOT Provided
When the manufacturer of Product Approved side wall horizontally
vented gas equipment does not provide the parts for venting the
flue gases, but identifies “special venting systems”, the following
requirements shall be satisfied by the manufacturer:
•
The referenced “special venting systems” instructions shall
be included with the appliance or equipment installation
instructions and;
•
The “special venting systems” shall be Product Approved by the
Board, and the instructions for that system shall include a parts
list and detailed installation instructions.
A copy of all installation instructions for all Product Approved
side wall horizontally vented gas fueled equipment, all venting
instructions, all parts lists for venting instructions, and/or all venting
design instructions shall remain with the appliance or equipment at
the completion of the installation.
8
SPECIFICATIONS
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
2.0 SPECIFICATIONS
2.1 Heating Specifications
OAK18-L OAK18-MV
Natural Gas Propane Natural Gas Propane
Maximum
Input Rating
24,500 Btu/h
(7.2
kW)
24,500 Btu/h
(7.2
kW)
24,500 Btu/h
(7.2
kW)
24,500 Btu/h
(7.2
kW)
Minimum
Input Rating
12,500 Btu/h
(3.7
kW)
12,500 Btu/h
(3.7
kW)
15,500 Btu/h
(4.5
kW)
19,000 Btu/h
(5.6
kW)
Manifold Pressure
(High)
3.5”
WC
(0.87
kPa)
10”
WC
(2.49
kPa)
3.5”
WC
(0.87 kPa)
10”
WC
(2.49 kPa)
Manifold Pressure
(Low)
1.0”
WC
(0.25
kPa)
2.7”
WC
(.67
kPa)
1.6”
WC
(0.40 kPa)
6.4”
WC
(1.59
kPa)
Orifice Size (DMS)
#43 #54 #43 #54
2.1.1 Altitude Adjustment
This appliance may be installed at higher altitudes. Please refer to
National Fuel Gas Code ANSI Z223.1/NFPA 54, CSA-B149.1 Natural
Gas and Propane Installation Code, local authorities, or codes having
jurisdiction in your area regarding derate guidelines.
2.1.1.1 US Installations
Refer to the American Gas Association guidelines for the gas designed
appliances derating method. For elevations above 2,000’ (610 m),
input ratings are to be reduced by 4% for each 1,000’ (305 m) above
sea level.
2.1.1.2 Canadian Installations
When the appliance is installed at elevations above 4,500’ (1,372 m),
the certified high altitude rating shall be reduced at the rate of 4% for
each additional 1,000’ (305 m).
2.2 Electrical Specifications
•
OP18-MV – Electrical specifications ONLY apply to optional fan
#OP18-028
•
The junction box in this appliance requires 120VAC, 60Hz, and 6
Amps.
•
Verify the household breaker is shut off prior to working on any
electrical lines.
•
OP18-L - The AC power supply to this appliance must be hot
at all times and shall not have a switch installed in it.
SPECIFICATIONS
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#OAK-18-L & MV R.7 April2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
2.3 Appliance Dimensions
Figure 2.1, Appliance Dimensions
10
SPECIFICATIONS
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
2.4 Safety Barrier Dimensions
WARNING: A barrier designed to reduce the risk of burns from the hot
viewing glass is provided with this appliance and shall be installed for
the protection of children and other at-risk individuals.
If the barrier becomes damaged, the barrier shall be replaced with
Hussong Mfg.’s barriers for this appliance.
Please refer to Section 7.1 Safety Barrier Installation on page 23 for
installation instructions.
FRAMING 11
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
3.0 FRAMING
3.1 Appliance Placement Considerations
WARNING: Due to high temperatures, the appliance should be located
out of traffic and away from furniture and draperies.
FIRE HAZARD: Do NOT install this appliance directly on carpeting,
vinyl, or any other combustible material other than wood.
•
This appliance must be installed on a level surface capable of
supporting the fireplace and venting.
•
This fireplace may be installed in a bedroom.
•
Please be aware of the large amount of heat this fireplace will
produce when determining a location.
3.2 Floor Support and Protection
•
The fireplace must be placed directly on a wood or non-
combustible surface (not linoleum or carpet) extending the
entire depth and width of the fireplace
•
If this appliance is to be installed directly on carpeting, tile,
or other combustible material other than wood flooring, this
appliance shall be installed on a metal or wood panel extending
the full width and depth of the appliance.
•
If the appliance is to be installed above floor level, a solid,
continuous platform must be constructed below the appliance.
12
FRAMING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
3.3 Clearances to Combustibles
Table 3.1, Minimum Appliance Clearances to Combustible Material
From appliance top corner to sidewall 1”
25 mm
From appliance top corner to backwall 5”
127 mm
From appliance top to ceiling 37-1/4”
946 mm
From top of horizontal pipe surface to ceiling 3-1/8”
79 mm
Figure 3.1, Typical Installation Options
FRAMING 13
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
3.4 Vent Termination Framing
IMPORTANT: Vent cap location must be in compliance with Section 5.2
Minimum Termination Clearances on page 18.
WARNING: DO NOT RECESS THE VENT CAP INTO WALL OR SIDING.
3.4.1 Vertical Terminations
CAUTION: Cold air transfer area. The surround fireplace chase
must comply with all clearances as outlined in this manual and be
constructed in compliance with local building codes. Outside walls
should be insulated to prevent cold air from entering room.
•
Follow vent pipe manufacturer’s installation instructions for
vertical terminations.
•
A minimum of 1” (25 mm) clearance on all sides of the vertical
vent pipe must be maintained.
•
Attic insulation shields may be insulated using unfaced
insulation products listed as non-combustible per ASTM E 136.
3.4.2 Horizontal Terminations
IMPORTANT: Horizontal vent sections require 1/4” (6 mm) rise for every
12” (305 mm) of travel.
NOTE: Elbows listed with approved vent systems for this appliance vary
in vertical length. Please consult the vent manufacturer’s instructions
to determine the elbow dimension used for installation. Adjust the wall
pass-through rough opening dimensions as necessary to maintain
clearance requirements.
NOTE: Wall thimble products that comply with the required clearance
to combustibles must be installed for all horizontal vent runs that pass
through interior or exterior walls. These wall thimble products may be
insulated using unfaced insulation products listed as noncombustible
per ASTM E 136.
•
A minimum of 1” (25 mm) clearance on top, side, and bottom
surfaces of the horizontal vent pipe must be maintained.
1. Measure from floor level of the fireplace to the center of where
the vent pipe will penetrate the wall.
Elbows listed with approved vent systems for this appliance
vary in vertical length. Please consult the vent manufacturer’s
instructions to determine the elbow dimension used for
installation.
2.
Adjust the wall pass-through rough opening dimensions as
necessary to maintain clearance requirements. There is a 1”
(25mm) clearance on all sides of the horizontal pipe at the wall
pass-through.
3. Cut and frame an opening in the wall to allow the vent system to
run level through the wall pass-through.
4. Follow the vent pipe manufacturer’s installation instructions for
vent installation.
Figure 3.2, Minimum Horizontal Venting
14
FRAMING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
3.5 Outdoor Covered Fireplace Installation
An outdoor covered fireplace installation allows a fireplace to be
installed in an outdoor covered area, where the appliance is protected
from direct precipitation.
Follow the instructions and illustrations in this section for installation
procedures.
3.5.1 Safety Screen Barriers
Hussong Mfg. highly recommends to use black painted safety barriers
in outdoor installations. Other screen barriers that incorporate
a plated or patina finish are highly susceptible to oxidation and
discoloration.
3.5.2 Requirements
•
The continuous insulated building envelope and weatherproof
membrane is not to be interrupted by fireplace installation. See
Figure 3.4 on the following page.
•
Fireplace operation is approved from 40°F to 110°F.
•
All wiring connections shall be in accordance with outdoor
requirements of NECA NFPA 70.
•
All clearances and requirements in your appliance manual must
be adhered to.
Figure 3.3, Outdoor Covered Fireplace Install 1
FRAMING 15
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
Figure 3.4, Outdoor Covered Fireplace Install 2
16 GAS LINE
CONNECTION
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
4.0 GAS LINE CONNECTION
4.1 Gas Conversion (sold separately)
ATTENTION: The conversion shall be carried out in accordance with the
requirements of the provincial authorities having jurisdiction and in
accordance with the requirements of the ANSI Z223.1 installation
code.
This fireplace is manufactured for use with natural gas. Follow the
instructions included with the conversion kit if converting to propane.
4.2 Gas Pressures
NOTE: The appliance and its individual shutoff valve must be
disconnected from the gas supply piping system during any pressure
testing of that system at pressures in excess of ½ psi (3.5 kPa). For test
pressures equal to or less than ½ psi (3.5 kPa), the appliance must be
isolated from the gas supply piping system by closing its individual
manual shut-off valve.
•
For high altitude installations, consult the local gas distributor or
the authority having jurisdiction for proper rating methods.
•
For pressure testing instructions, refer to Section 10.1 Gas
Pressure Testing on page 39.
Table 4.1, Inlet Pressure Requirements – OAK-18-L (Electronic)
Gas Pressure Natural Gas Propane
Minimum Inlet
Pressure
5” WC (1.25 kPa)
7”
WC
(1.74
kPa)
recommended
12” WC (2.99 kPa)
recommended
Maximum Inlet
Pressure
10.5” WC
(2.61
kPa)
13” WC (3.24 kPa)
Table 4.2, Inlet Pressure Requirements – OAK-18-MV (Millivolt)
Gas Pressure Natural Gas Propane
Minimum Inlet
Pressure
5” WC (1.25 kPa)
7”
WC
(1.74
kPa)
recommended
11” WC (2.74 kPa)
recommended
Maximum Inlet
Pressure
10.5” WC
(2.61
kPa)
13” WC (3.24 kPa)
4.3 Gas Line Installation
CAUTION: Installation of the gas line must only be done by a qualified
person in accordance with local building codes, if any. If not, follow
ANSI 223.1. Commonwealth of Massachusetts installations must be
done by a licensed plumber or gas fitter.
•
A listed (and Commonwealth of Massachusetts approved) ½”
(13 mm) tee handle manual shut-off valve and flexible gas
connector are to be connected to the ½” (13 mm) control valve
inlet. If substituting for these components, please consult local
codes for compliance.
•
This fireplace is equipped with a 3/8” (10 mm) x 36” (914 mm)
long flexible gas connector and manual shut-off valve.
•
The gas line should be run to the point of connection where the
shut-off valve and flexible gas line will connect. See Figure 2.1,
Appliance Dimensions on page 9.
•
Do not run gas line in a manner that would obstruct fan
operation.
TERMINATION LOCATIONS
17
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
Lowest
discharge
opening
Approved cap
Minimum
12”
(.30m)
Approved
vent pipe
H
x
12
Roof pitch = x/12
H
- Minimum height from roof
to lowest discharge opening
Figure 5.1, Vertical Vent Cap Clearance
5.0 TERMINATION LOCATIONS
5.1 Vertical Vent Cap Termination
WARNING: This gas appliance must not be connected to a chimney
serving any other appliance.
Minimum height (H) from roof
Roof Pitch Feet Meters
Flat to 6/12 1.0 0.30
Over 6/12 to 7/12
1.25 0.38
Over 7/12 to 8/12
1.5 0.46
Over 8/12 to 9/12
2.0 0.61
Over 9/12 to 10/12
2.5 0.76
Over 10/12 to 11/12
3.25 0.99
Over 11/12 to 12/12
4.0 1.22
Over 12/12 to 14/12
5.0 1.52
Over 14/12 to 16/12
6.0 1.83
Over 16/12 to 18/12
7.0 2.13
Over 18/12 to 20/12
7.5 2.27
Over 20/12 to 21/12
8.0 2.44
18
TERMINATION LOCATIONS
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
O
AREA WHERE TERMINAL
IS NOT PERMITTED
E
D
C
H
M
F
B
B
N
G
J
K
P
L
A
I
Figure 5.2, Vent Cap Locations
5.2 Minimum Termination Clearances
Canadian installations US installations
A
Clearance above grade, veranda, porch, deck, or balcony
12” (30
cm)
12” (30
cm)
B
Clearance to window or door that may be opened
12” (30
cm)
9” (23
cm)
C
Clearance to permanently closed window (recommended to prevent condensation on
window)
12” (30
cm)*
12” (30
cm)*
D
Vertical clearance to ventilated soffit located above the terminal within a horizontal dis-
tance of 2 feet (61 cm) from the edge of the terminal
24” (61
cm)*
24” (61
cm)*
E
Clearance to unventilated soffit
12” (30
cm)*
12” (30
cm)*
F
Clearance to outside corner
0” (0
cm)*
0” (0
cm)*
G
Clearance to inside corner
12” (30
cm)*
12” (30
cm)
H
Clearance to each side of center line extended above meter/regulator assembly 3’ (91 cm) within a height
15’ (4.5 m) above the meter/
regulator assembly
*
I
Clearance to service regulator vent outlet
3’ (91 cm)
*
J
Clearance to non mechanical air supply inlet to building or the combustion air inlet to any
other appliance
12” (30
cm)
9” (23
cm)
K
Clearance to mechanical air supply inlet
6’ (1.83 m)
3’ (91 cm) above if within 10’
(3 m) horizontally
Massachusetts: 10’ (3 m)
L
Clearance above paved sidewalk or paved driveway located on public property
7’ (2.13 m)†
*
M
Clearance under veranda, porch deck, or balcony
12” (30
cm)‡
12” (30
cm)
N
Clearance between two horizontal terminations
12” (30
cm)
12” (30
cm)
O
Clearance between two vertical terminations (may be same height)
12” (30
cm)
12” (30
cm)
P
Above furnace exhaust or inlet
12” (30
cm)
12” (30
cm)
* Clearance in accordance with local installation codes and the requirements of the gas supplier.
† A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
VINYL SOFFIT, VINYL CEILING, AND VINYL OVERHANG DISCLAIMER: Clearances to heat resistant material (i.e. wood, metal). This does not include vinyl. Hussong
Manufacturing Co., Inc. will not be held responsible for heat damage caused from terminating under vinyl overhangs, vinyl ceilings, or vinyl ventilated/unventi-
lated soffits.
VENTING
19
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
6.0 VENTING
6.1
Approved Vent Systems
This appliance is equipped for use with a 4” exhaust by 6
/
” air
intake co-axial vent pipe system.
Vertical 4” x 6-5/8” co-axial flexible vent pipe with vertical
terminations are not approved for use with this fireplace.
This appliance is approved for use with vent manufacturers
(horizontal and vertical terminations): American Metal Products
(Ameri-Vent), BDM, ICC, Metal Fab, Olympia Chimney Supply, Inc.,
Selkirk, and Simpson DuraVent.
The following caps are not allowed: BDM Cap 940264 and Simpson
DuraVent Cap 46DVASNK14
Refer to the vent manufacturer’s installation manual for complete
installation instructions. Vent installation must conform with venting
requirements and restrictions as outlined in this manual.
6.2 Venting Requirements
Consult the local and national installation codes to assure adequate
combustion and ventilation air is available. Venting requirements
apply to both natural gas and propane.
NOTE: Wall thimble products that comply with the required clearance
to combustibles must be installed for all horizontal vent runs that pass
through interior or exterior walls. These wall thimble products may be
insulated using unfaced insulation products listed as noncombustible
per ASTM E 136.
NOTE: Attic insulation shields may be insulated using unfaced
insulation products listed as noncombustible per ASTM E 136.
•
Flame height and appearance will vary depending upon venting
configuration and the type of fuel used.
•
Refer to the vent manufacturer’s installation manual for
complete installation instructions. Vent installation must
conform with venting requirements and restrictions as outlined
in this manual.
•
Provide a means for visually checking the vent connection to the
appliance after the fireplace is installed.
•
A minimum of 1” (25 mm) clearance on all side of the vertical
pipe must be maintained.
•
A minimum of 1” (25 mm) clearance on all sides of the horizontal
vent pipe at the wall pass-through must be maintained.
6.3 Use of Elbows
• MAXIMUM NUMBER OF 90° ELBOWS: 5
•
For each additional 90° elbow used after the first elbow, 3’ (91.4
cm) must be subtracted from maximum venting allowed.
•
For each 45° elbow used, 1½’ (457 mm) must be subtracted
from maximum venting allowed.
•
(2) 45° elbows may be used in place of (1) 90° elbow.
20
VENTING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R. April 2022
6.4 Vent Restriction
Vertical terminations may display an active, compact flame. To
achieve desirable flame appearance, the vent exhaust may be
restricted by the restrictor plate (included in components packet)
and/or by adjusting the built-in restrictor located in the fireplace
baffle. This fireplace is shipped with the baffle restrictor set in position
for natural gas minimum horizontal venting.
Hussong Manufacturing has outlined vent restriction
recommendations with for vent configurations listed in the
following pages. Follow the instructions below and vent restriction
recommendations on the following pages for optimal flame
appearance.
6.4.1 Restrictor Plate Assembly and Installation
A restrictor plate (included in components packet) may be
installed before vent installation to achieve desired flame
appearance. Hussong Manufacturing has outlined restrictor plate
recommendations for vent configurations listed on the following
pages. For vent restriction plate recommendations after vent
installation, refer to Section 10.2.2 Vent Restriction on page 38.
6.4.2 Baffle Restriction
This fireplace is shipped with the baffle restrictor set in position for
natural gas minimum horizontal venting. Hussong Manufacturing has
outlined baffle restrictor adjustments for vent configurations listed on
the following pages. To adjust the baffle restrictor,
1. Remove the safety barrier and glass frame assembly.
2. Remove and save (1) screw to adjust the baffle restrictor to
achieve desired flame appearance.
3. Secure the baffle restrictor with (1) screw previously removed.
4. Reinstall all components previously removed.
Figure 6.1, Restrictor Assembly and Installation
Figure 6.2, Baffle Restrictor Adjustments
VENTING
21
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
6.5 Vertical Terminations
NOTE: Attic insulation shields may be insulated using unfaced
insulation products listed as non-combustible per ASTM E 136.
Table 6.1, NG/Propane – Minimum/Maximum Vertical Terminations
Minimum Vertical Length Maximum Vertical Length
3’
914 mm 50’
15.2 m
Minimum / Maximum Vertical Venting:
3’ (914mm) minimum vertical length / 50’ (15.24m) maximum vertical
length + termination cap
Table 6.2, Recommended Restriction for Vertical Terminations
Fuel
Vent
Configurations
Baffle Positions Restrictor Setting
Natural Gas
Minimum
Vertical
Setting (5)
Install Restrictor
Remove knockout(s)
Natural Gas
Maximum
Vertical
Setting (5)
Install Restrictor
Remove knockout(s)
Propane
Minimum
Vertical
Setting (5)
Install Restrictor
Remove knockout(s)
Propane
Maximum
Vertical
Setting (5)
Install Restrictor
Remove knockout(s)
DIAG. 1 VERTICAL TERMINATIONS
22
VENTING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R. April 2022
6.6 Combination Venting
IMPORTANT: Horizontal vent sections require ¼” (6 mm) rise for every
12” (305 mm) of travel.
Table 6.3, NG & Propane – Minimum Horizontal Vent Terminations
Min. Vertical Rise Min. Horizontal Run Max. Horizontal Run
24” 610 mm 6” 152 mm 48” 1219 mm
Minimum Vertical Rise, Minimum / Maximum Horizontal Run:
24” (610mm) minimum vertical rise + 90° horizontal elbow +
48” (1219mm) maximum horizontal run + termination cap
Table 6.4, NG & Propane – Max Vertical/Max Horizontal Combination
Max. Vertical Rise Max. Horizontal Run Total Length
25’ 7.6 m 25’ 7.6 m 50’ 15.2 m
Maximum number of 90° elbows: 5
Table 6.5, Recommended Restriction for Vertical Terminations
Fuel Vent Config. Baffle Positions Restrictor Setting
Natural Gas
Min vert / min horz
Setting (3)
None
Natural Gas
Min vert / max horz
Setting (1)
None
Natural Gas
Max vert /
max
horz
Setting (5)
Install restrictor
Propane
Min vert / min horz
Setting (2)
None
Propane
Min vert / max horz
Setting (5)
None
Propane
Max vert /
max
horz
Setting (5)
Install restrictor
DIAG. 2 COMBINATION VENTING
Figure 6.3, Combination Venting (V/H)
FIREPLACE SETUP
23
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
7.0 FIREPLACE SETUP
7.1 Safety Barrier Installation
7.1.1 Safety Barrier Screen (#OPT-ES)
1. Locate the (4) slots located on each side of the fireplace frame.
2. Align the notched tabs located on the back of the safety screen
with the slots on the fireplace frame.
3. Raise the safety screen front slightly into slots and allow the tabs
to lower into position.
•
To remove safety screen: lift the screen up and out of slots.
7.1.2 Overlay (#OP18-POL and #OP18-APOL)
1. If installed, remove the safety barrier screen.
2. Locate the (4) tabs on the overlay. Hand bend tabs to secure the
overlay to the safety screen front.
3. Locate the (4) slots located on each side of the fireplace frame.
4. Align the notched tabs located on the back of the safety screen
with the slots on the fireplace frame.
5. Raise the safety barrier slightly into slots and allow the tabs to
lower into position.
•
To remove safety barrier: lift the screen up and out of slots.
7.2 Glass Frame Assembly
WARNING: Do not operate this fireplace with the glass removed,
cracked, or broken. Replacement of the glass assembly should be done
by a licensed or qualified service person.
7.2.1 Remove Glass Frame Assembly
WARNING: Do not remove the glass assembly when hot.
1. Remove the safety screen.
2. Locate (2) spring-loaded latches securing the glass assembly at
the bottom of the firebox.
3. Pull the spring-loaded latches out and down to release the
bottom of the glass assembly.
4. Lift glass assembly up and off of the (2) tabs located at the top of
the firebox.
7.2.2 Install Glass Frame Assembly
1.
Align the slots on top of the glass assembly over the tabs at
the top of the firebox while lowering the bottom of the glass
assembly into position.
2. Pull the spring-loaded latches out and up to secure the bottom
of glass to the bottom of the fireplace.
3. Reinstall the safety screen.
Figure 7.1, Safety Barrier Installation
Figure 7.2, Latch Handle Location
Figure 7.4, Completed Install
7.3 #OP18-500 Log Set Installation
CAUTION: Do not place logs directly over burner port holes. Improper
log placement may affect flame appearance and cause excessive soot
to build upon the logs and glass.
•
If converting to propane, complete the conversion before
installing the log set. Follow the conversion instructions included
with the kit.
•
Log numbers are located on the bottom of each log. Refer to the
following instructions and illustrations for proper log placement.
1. Align the holes in the bottom of log OP18-1 with the mounting
pins on the burner plate at the back of the firebox. Push log
down to seat.
2. Align the holes in the bottom of logs OP18-2 and OP18-3 with
the mounting pins on the burner. Push to seat.
3. Align the pin on the bottom of log OP18-4 with the hole in base
log OP18-2. Position log with notches as shown.
4. Align the pin on the bottom of log OP18-6 with the hole in base
log OP18-3. Position log with notches as shown.
5. Align log OP18-5 with the notch in log OP18-2 as shown.
6. Distribute lava rock onto air deflector in front of the burner. Do
not block burner ports or airspaces.
7. Distribute rockwool embers onto the logs and burner using a
stiff bristle brush.
24 FIREPLACE SETUP Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces #OAK-18-L & MV R.7 April 2022
Figure 7.3, Base Logs
FIREPLACE SETUP
25
#OAK-18-L & MV R. April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
7.4 Control Board Removal and Installation
WARNING: If burner and/or pilot have been burning,
use appropriate protection to avoid burns or damage
to personal property before removing any components.
DO NOT OPERATE THIS APPLIANCE WITHOUT THE SEALING GASKET
(LOCATED UNDER THE CONTROL BOARD) IN PLACE. IF GASKETING IS
DAMAGED, IT MUST BE REPLACED.
CAUTION: Check all connections for leaks with soapy water, whether
field or factory made.
7.4.1 Control Board Removal
1. Disconnect electrical power.
2. Locate the manual valve installed by your qualified service
technician. Turn the manual valve clockwise to the OFF position.
3.
Disconnect any optional control from the top and bottom
terminals on the gas valve, OR unplug all components from
receptacle and disconnect all wiring harnesses attached to the
gas valve.
4. Remove the safety barrier and glass frame assembly.
5. Remove logs and pilot shield.
6. Remove (3) screws securing the air deflector in front of the
burner.
7. Remove (3) screws underneath the previously removed air
deflector securing burner assembly to the firebox floor.
8. Remove (3) screws at the back wall of the firebox securing the
burner assembly.
9. Release the burner tube venturi off of the burner orifice and
remove the burner assembly from the firebox.
10.
Remove and save (8) screws securing the control board. Lift
the control board and control module out of the firebox, being
careful not to damage sealing gasket underneath.
7.4.2 Control Board Installation
1. Place the control module in the firebox, aligning the holes in the
control board with the holes in the firebox bottom.
VERIFY SEALING GASKET IS IN PLACE.
2. Secure the control board to the firebox using (8) screws
previously removed.
3. Position the burner tube venturi over the burner orifice.
4. Align the holes in the burner assembly with the holes in the
back of the firebox and the firebox floor. Secure with (6) screws
previously removed.
5. Reinstall air deflector (3) screws previously removed.
6. Reinstall pilot shield and log set.
7. Reconnect any optional control wires to the top and bottom gas
valve terminals, OR reconnect all wiring harnesses to the gas
valve. Plug all components into an electrical outlet.
8. Reinstall the glass frame assembly and safety barrier.
9. Turn the manual valve counterclockwise to the ON position.
10. Reconnect electrical power.
11. Verify proper log placement, operation of fireplace, and any
electrical components.
Figure 7.5, Control Board Removal and Installation
26
ELECTRICAL
INFORMATION
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
8.0 ELECTRICAL INFORMATION
WARNING: Do not use this fireplace if any part has been under water.
Immediately call a qualified service technician to inspect this appliance
and to replace any part of the control system and any gas control which
has been under water.
WARNING - Electrical Grounding Instructions: This appliance is
equipped with a three-prong (grounding) plug for your protection
against shock hazard and should be plugged directly into a properly
grounded three-prong receptacle. Do not cut or remove the grounding
prong from this plug.
8.1 Electrical Specifications
WARNING: AN OPTIONAL COMPONENT CONNECTION IS FOR LOW
VOLTAGE BATTERY OR DIRECT CURRENT ONLY. DO NOT CONNECT TO
120 OR 240 VOLTS AC.
This appliance, when installed, must be electrically grounded in
accordance with local codes, or in the absence of local codes, with
the National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical
Code, CSA C22.1.
•
Determine if the appliance uses an electronic ignition system or
continuous pilot ignition system (millivolt) by locating gas valve
and its controls. Access the gas valve by opening the control
compartment access panel.
•
Appliances with the standing pilot ignition system are equipped
with a black piezo igniter button. Appliances with electronic
ignition system will not have a button.
8.2 Wiring Requirements
8.2.1 Electronic Ignition System
•
The Komfort 8K1 requires 120VAC power supply and/or
batteries to operate. Using the battery back-up will operate the
burner only. Optional components will not function on battery
backup power.
•
If desired, a thermostat or a wall switch may be installed for main
burner operational control using low-voltage wires. A thermostat
wire assembly is not included with this appliance.
•
It is optional to disable the main ON/OFF rocker switch operating
the main burner by disconnecting the wires from the control
module (Figure 8.3).
•
If the rocker switch wires are not disconnected, the main ON/OFF
rocker switch must be in the OFF position for proper operation
of optional controls. If the main ON/OFF rocker switch is ON,
the main burner will operate until it is turned OFF by the rocker
switch. The thermostat/wall switch components will not turn the
main burner off if the main burner has been turned on by the
rocker switch.
•
If a wall-mounted ON/OFF control or thermostat is to be
used, mount it in a convenient location on a wall near the
fireplace. Follow instructions included with assembly.
ELECTRICAL INFORMATION
27
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
Figure 8.2, Remote Receiver Mounting Bracket (OAK-18-MV)
8.2.2 Continuous Pilot Ignition System (Millivolt)
CAUTION: Do not connect high voltage (115V) wire to the gas valve.
•
The millivolt gas valve system does not require 110-120 VAC
supply to operate.
•
If desired, a thermostat or a wall switch may be installed for main
burner operational control using low-voltage wires. A thermostat
wire assembly is not included with this appliance.
•
It is optional to disable rocker switch operating the main burner
by disconnecting the wires from the back of the gas valve (Figure
8.5).
•
If the rocker switch wires are not disconnected, the ON/OFF
rocker switch must be in the OFF position for proper operation
of optional controls. If the ON/OFF rocker switch is ON, the main
burner will operate until it is turned OFF by the rocker switch.
The thermostat/wall switch components will not turn the main
burner off if the main burner has been turned on by the rocker
switch.
•
If a wall-mounted ON/OFF control or thermostat is to be
used, mount it in a convenient location on a wall near the
fireplace. Follow instructions included with assembly.
•
An optional remote receiver mounting bracket may be installed
on the control compartment using (2) screws as shown in Figure
8.2).
•
If an optional component is to be used, run low-voltage wires
from gas valve to the location of component.
28
ELECTRICAL
INFORMATION
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
Figure 8.3, OAK18-L Wiring Schematics
ELECTRICAL INFORMATION
29
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
THERMOPILE
THERMOCOUPLE
PIEZO
PILOT
WIRE ASSEMBLY
(not included)
Attach gas valve connectors to the wall switch/thermostat wires,
connect to top and bottom terminals marked TH and TP-TH on gas valve
Figure 8.5, OAK18-MV Gas Valve Wiring Schematic with Thermostat or Wall Switch
THERMOPILE
THERMOCOUPLE
PIEZO
PILOT
ON/OFF
ROCKER SWITCH
Figure 8.4, OAK18-MV Gas Valve Wiring Schematic with ON/OFF Rocker Switch
30
ELECTRICAL
INFORMATION
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
8.3 #OP18-028 Optional Fan Kit – Millivolt Only
WARNING - Electrical Grounding Instructions: This appliance is
equipped with a three-prong (grounding) plug for your protection
against shock hazard and should be plugged directly into a properly
grounded three-prong receptacle. Do not cut or remove the grounding
prong from this plug.
WARNING: Installation of this fan kit should be done by a qualified
installer. Verify household breaker is shut off prior to working on any
electrical lines.
IMPORTANT: This fan will not operate unless speed control has been
turned ON and sufficient heat has been applied to temperature control
switch. The fan will turn ON and OFF automatically as fireplace heats
and cools. Adjust fan to desired speed while it is running.
•
Hussong Manufacturing recommends to install an electrical
outlet near the gas stove.
This kit includes:
(1) Fan assembly - mounted (4) Flange nuts
(1) Temperature control switch
with magnet attached
(1) Speed control box with 5’
(1524mm) cord
(2) Philips head screws (black)
1.
Remove the safety barrier and the heat shield underneath the
firebox.
2.
Locate (4) mounting studs underneath the rear of the gas stove.
With the motor end facing to the right, slide the fan underneath
the firebox.
3. Align the (4) mounting slots in the fan bracket to the mounting
studs under the firebox. Lift up the fan and secure the fan
assembly to the firebox with (4) flange nuts.
4. Mount the speed control box onto the left side of the gas valve
bracket. Align the slots in the speed control box to the holes in
bracket. Secure with (2) black Philips head screws (included).
5. Place the temperature control switch (magnet attached) onto
the firebox floor on the right, as far back as possible to the fan
motor.
6. Plug fan cord into the electrical box receptacle.
7. Plug the speed control box cord into a properly grounded three-
prong receptacle.
8. Reinstall all components previously removed.
9. Turn speed control counter-clockwise until it ‘clicks’. This is the
OFF position.
Turn speed control ON by turning knob clockwise past the ‘click’ -
this is the highest setting.
TEMPERATURE CONTROL SWITCH
GROUND
GROUND
Figure 8.6, Fan Wiring
TEMPERATURE CONTROL SWITCH POSITION
Before adjusting temperature control switch, unplug 3-prong plug on
fan cord from receptacle.
Adjust position of temperature control switch to a warmer location
under firebox to turn fan ON sooner or move it to a cooler location
under firebox to turn fan ON later. The fan will turn on when sensor in
temperature control switch reaches 110° Fan will turn OFF when sensor
reaches 90° F.
After adjustment, plug 3-prong plug on fan cord into receptacle.
Figure 8.8, Mounting Stud and Temperature Control Switch Locations
TEMPERATURE
CONTROL
SWITCH
OPERATING INSTRUCTIONS
31
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
9.0 OPERATING INSTRUCTIONS
9.1 Lighting Instructions (#OAK-18-L)
FOR YOUR SAFETY READ BEFORE OPERATING
A.
This appliance is equipped with an ignition device which
automatically lights the pilot. Do not try to light the pilot by
hand.
B.
BEFORE OPERATING smell around the appliance area for gas.
Be sure to smell next to the floor because some gas is heavier
than air and will settle on the floor.
WHAT TO
DO
IF YOU
SMELL
GAS
•
Do not try to light any appliance.
•
Do not touch any electric switch; do not use any phone in
your building.
•
Immediately call your gas supplier from a neighbor’s phone.
WARNING
Do not operate appliance with the glass front removed, cracked, or
broken. Replacement of the glass should be done by a licensed or
qualified service person.
Under no circumstances should any solid fuel (wood, coal, paper,
cardboard, etc.) be used in this appliance.
Children and adults should be alerted to the hazards of high surface
temperature and should stay away to avoid burns or clothing ignition.
Follow the gas supplier’s instructions.
•
If you cannot reach your gas supplier, call the fire
department.
C.
Use only your hand to turn the gas control manual valve. Never
use tools. If the valve will not turn by hand, do not try to
repair it; call a qualified service technician. Force or
attempted repair may result in a fire or explosion.
D.
Do not use this appliance if any part has been under water.
Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and
any gas control that has been under water.
CAUTION
Clothing or other flammable material should not be placed on or near
the appliance.
Young children should be carefully supervised when they are in the
same room as the appliance. Toddlers, young children and others
may be susceptible to accidental contact burns. A physical barrier is
recommended if there are at risk individuals in the house. To restrict
access to a fireplace or stove, install an adjustable safety gate to keep
toddlers, young children and other at risk individuals out of the room
and away from hot surfaces.
OPERATING INSTRUCTIONS
4. STOP! Read all the safety information above on this page.
5.
Press the wireless remote POWER button.
6. Turn off all electric power to the appliance.
7.
This appliance is equipped with an ignition device which
automatically lights the pilot. Do not try to light the pilot by
hand.
8.
Locate the manual valve installed by your qualified service
technician.
9. Turn the manual valve clockwise to the OFF position.
10.
Wait five (5) minutes to clear out any gas. Then, smell
for gas, including near the floor. If you smell gas, STOP!
Follow ‘B’ in the safety information above. If you do not smell
gas, go to the next step.
11. Turn the manual valve counterclockwise to the ON position.
1. Turn on all electric power to the appliance.
2.
Press the wireless remote POWER button.
3. If the appliance will not operate, follow the instruction, “To
Turn Off Gas To Appliance” and call your service technician or
gas supplier.
1.
Press the wireless remote POWER button
TO TURN OFF GAS TO APPLIANCE
3.
Locate the manual valve installed by your qualified service
2.
Turn off all electric power to the appliance if service is to be
performed.
NOTE
technician.
4. Turn the manual valve clockwise
to OFF position.
When this fireplace is initially lit, condensation will appear on the glass. This is normal in all gas fireplaces and will disappear after several
minutes. A paint smell will occur during the first few hours of burning. It is recommended to leave the fan off during this period to help speed
the paint curing process.
This fireplace may produce noises of varying degree as it heats and cools due to metal expansion and contraction. This is normal and does not
affect the performance or longevity of the fireplace.
WARNING:
If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.
32
OPERATING
INSTRUCTIONS
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
9.1.1 Set up Komfort 8K1 Control Module
1.
Set
the
main
ON/OFF
rocker
switch
in
the
OFF
position.
2. Remove the remote control components from packaging.
3. Install (3) AAA batteries (included in the components packet) in
the remote control battery bay.
4.
Connect
the
transformer
to
an
AC
power
supply.
5. Connect the fan to the AUX 300 control module (FIGURE
8.3, page 28).
9.1.2 Initialize the Komfort 8K1 Control System
1.
Verify the ON/OFF/REMOTE switch is in the REMOTE position. A
green LED will illuminate and blink three times.
2. Using a small item, such as a paper clip, press and release the
LEARN button located near the ON/OFF/REMOTE switch.
3. The control module will beep once and illuminate a green LED
for 10 seconds.
4. While the green LED is blinking, press the POWER button on the
remote control. The control module will emit a double beep to
indicate that the remote is initialized to the control system.
9.1.3 Flame Height and Heat Output Adjustment
This system will execute an automatic turn OFF command after 8
hours of continuous main burner operation.
9.1.4
Backup Battery Operation
This appliance will operate on the backup battery pack in a power
outage. The lifespan of the backup batteries depends on various
factors, such as the quality of the batteries, number of ignitions, etc.
Only install backup batteries in power outages only. Do not leave
batteries installed in the backup battery pack.
9.1.5 Control System 7 Day Time-out
If your Komfort 8K1 control system is set to pilot-on-demand ignition
with 7 consecutive days without ignition of the main burner, the
pilot will turn off. This is a standard safety feature of the Komfort 8K1
control system.
Once you turn the pilot-on-demand on, the 7 day timer will start. If at
any time during the following 7 days your main burner ignites, it will
reset the timer back to 7 days.
See section 9.1.14 on page 34 for more information about pilot
ignition selection.
How to check if your system is set to pilot-on-demand:
•
The remote control screen will display the snowflake with text
PILOT icon.
To select the preferred pilot ignition:
1. Press the MENU button to activate the menu.
2. Using the UP and DOWN arrows, highlight the PILOT icon and
press SELECT.
3.
Use the UP and DOWN arrows to turn the pilot-on-demand ON
or OFF, then press SELECT.
•
A single beep will be emitted from the control module indicating
pilot-on-demand feature has been activated.
9.1.6 Komfort 8K1 Control System
Ignition Sequence
The Komfort 8K1 control module will attempt (1) time for ignition, for
approximately 60 seconds.
If there is no flame ignition (rectification) within the (60) second time
frame, the Komfort 8K1 system will go into a lockout. The control
module will display an error code (see section 9.1.8), followed by a
blinking red/green LED, indicating a system lockout
9.1.7 Reset Control Module after Lockout
9.1.7.1 Disconnect Power Supply
•
Disconnect the power supply to the control module. After
approximately (5) second, reconnect power supply.
9.1.7.2 ON/OFF/REMOTE Switch
•
Turn the ON/OFF/REMOTE switch on the control module to OFF.
Wait approximately (5) seconds and turn the ON/OFF/REMOTE
switch to REMOTE. The control module will illuminate a green
LED (2) times and emit a beep.
•
Turn the ON/OFF/REMOTE switch on the control module to OFF.
Wait approximately (5) seconds and turn the ON/OFF/REMOTE
switch to ON. The control module will illuminate a green LED (2)
times and emit a beep. The ignition sequence will start again.
MAIN BURNER
ON/OFF ROCKER SWITCH
Figure 9.1, OAK-18-L ON/OFF Rocker Switch Location
OPERATING INSTRUCTIONS
33
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
FIGURE 10.1 Komfort 8K1 Remote Control and Remote Control Display
9.1.8 Additional Diagnostic Information
Diagnostic codes are outlined below and should be used as an
additional troubleshooting tool.
Red LED will blink (1) time, then a red/green LED blink (lockout)
•
Error caused by fuel-type selector switch is in incorrect
position or fuel-type selector switch is damaged. Verify
selector is in correct position. If condition persists, replace
the control module.
Red LED will blink (2) times, then a red/green LED blink (lockout)
•
Error caused by Insufficient voltage from ignition
coil to pilot flame igniter. Clear the lockout (see
section 9.1.8
above) and attempt ignition. If condition persists, replace
the control module.
Red LED will blink (3) times, then a red/green LED blink (lockout)
•
Error caused by inadequate gas supply. Verify proper
inlet pressure to the gas line.
•
Error caused by detection of false flame or short in sensor
lead. Verify that pilot leads are correctly terminated to
the control module, and that no shorted wires exist.
•
Error caused by sense and/or igniter lead disconnected.
Verify that the pilot sensor rod, igniter rod, and hood
are clean.
9.1.9 Remote Control Operation
9.1.9.1 Idle Mode
The remote control will go into an idle mode when the remote is ON if
no buttons are pressed within (5) seconds. Press any button to resume
full functionality. In idle mode, only active functions will show on the
screen.
9.1.9.2 Standby Mode
The remote control will go into a standby mode if no buttons are
pressed within (5) minutes. Press the POWER button to reactivate the
remote control to ON mode. Active functions will be displayed once
in ON mode.
Komfort 8K1 Remote Control
Remote Control
Display
THERMOSTAT DESIRED
FIREPLACE
STATUS
TEMP SETTING
THERMOSTAT
LCD
DISPLAY
FLAME HEIGHT
FAN
SPEED
ADJUSTABLE
AUXILIARY
CHILD LOCK
INDICATOR
POWER BUTTON
PILOT-ON-DEMAND
TRANSMISSION
INDICATOR
LOW
BATTERY
INDICATOR
FUNCTION
LEVEL
INDICATOR
MENU BUTTON
SELECT
BUTTON
UP
ARROW BUTTON
DOWN ARROW BUTTON
ROOM TEMP
DISPLAY
TIMER
DISPLAY/FUNCTION
FIGURE 9.2 Komfort 8K1 Remote Control and Remote Control Display
34
OPERATING
INSTRUCTIONS
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
9.1.10 Temperature Display
To change the temperature display between Celsius and Fahrenheit,
Remove the battery cover from the back of the control. Slide the
switch to desired temperature scale. Reinstall batteries and
battery cover.
9.1.11 Child Lock
To lock the remote to avoid unsupervised operation,
Press and hold the MENU and UP arrow buttons simultaneous for 4
seconds to enable or disable the child lock feature.
9.1.12 Turn ON the Appliance
With the system in the OFF position, press the remote control POWER
button to turn ON the appliance.
•
The appliance will attempt to ignite the pilot (if Pilot-on-
Demand function is OFF). Once the pilot flame is rectified, the
main burner will ignite.
•
Whenever the appliance is cycled from OFF to ON, the main
burner will light on high for 10 seconds before returning to the
previous user setting.
•
All functions can be accessed when the remote control is
ON. Only active functions will be displayed when the remote
control is ON.
The transmission indicator icon will flash, and a single beep will
confirm the reception of the command.
9.1.13 Turn OFF the Appliance
With the system in the ON position, press the remote control POWER
button to turn OFF the appliance.
•
Functions AUX1, AUX2, and Pilot-on-Demand can be accessed
when the remote control is OFF. Only active functions will be
displayed when the remote control is OFF.
•
The transmission indicator icon will flash, and a single beep will
confirm the reception of the command.
9.1.14 Pilot Ignition Selection
(Intermittent or Pilot-on-Demand)
This system has the option of a pilot-on-demand, allowing the system
to change from a spark-to-pilot system to the pilot-on-demand
option. The pilot-on-demand will keep the firebox warm and establish
a draft in the vent, which allows the main burner to ignite with less
air-flow disruption.
To select the preferred
1. Press the MENU button to activate the menu.
2. Using the UP and DOWN arrows, highlight the PILOT icon and
press SELECT.
3.
Use the UP and DOWN arrows to turn the pilot-on-demand ON
or OFF, then press SELECT.
•
The transmission indicator icon will flash, and a single beep will
be emitted from the control module indicating pilot-on-demand
feature has been activated. The remote control screen will
display the snowflake with text PILOT icon.
•
The transmission indicator icon will flash, and a double beep
will be emitted from the control module indicating the pilot-
on- demand feature has been deactivated. The remote control
will not display the snowflake with text PILOT icon.
OPERATING INSTRUCTIONS
35
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
9.1.15 Turn ON the Appliance
This control system has (5) flame levels. Flame height will not be
adjustable for the first (10) seconds when the appliance is turned ON.
The control system will remember the previous flame level setting and
will automatically adjust after (10) seconds.
To adjust the flame level,
1. Press the MENU button to activate the menu.
2. Using the UP and DOWN arrows, highlight the FLAME icon
and press SELECT.
3. Use the UP and DOWN arrows to adjust the flame level to
desired setting, then press SELECT.
•
The transmission indicator icon will flash and a single beep will
confirm the reception of the command
9.1.16 Thermostat Operation
The remote control can operate as a room thermostat. The
thermostat can be set to a desired temperature to control a room’s
comfort level.
This control system requires a two degree Fahrenheit or higher
temperature difference between the room temperature and set
temperature for the fireplace to turn on.
The system will remember the previous temperature setting when
thermostat mode is cycled ON or OFF.
To activate this function,
1. Press the MENU button to activate the menu.
2. Using the UP and DOWN arrows, highlight the THERMO icon
and press SELECT.
3. Use the UP and DOWN arrows to turn the THERMO ON or
OFF, then press SELECT. The SET TEMP will start blinking. Using
the UP and DOWN arrows, select the desired temperature and
press SELECT.
•
If the thermostat function is on, the set temperature can be
adjusted at any time by pressing the UP and DOWN arrows.
•
As the room temperature approaches the set temperature, the
remote system will automatically adjust the flame height.
•
If the room temperature rises above the set temperature, the
fireplace will shut down the main burner. The fireplace will turn
back on after the room temperature drops below the set
temperature.
9.1.17 Fan Speed Control (optional)
The fan speed can be adjusted through (3) speeds: HIGH, MEDIUM, LOW.
The fan is controlled by a timer built into the control module. After
the fireplace is turned ON, the timer will wait for (3) minutes before
turning on the fan. After the fireplace is turned OFF, the fan will
remain on for (12) minutes.
To activate this function,
1. Press the MENU button to activate the menu.
2. Using the UP and DOWN arrows, highlight the FAN icon and
press SELECT.
3. Use the UP and DOWN arrows to adjust to desired fan speed,
then press SELECT.
•
The transmission indicator icon will flash and a single beep will
confirm the reception of the command.
36
OPERATING
INSTRUCTIONS
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
9.1.18 Timer Adjustment
This control system has the option to set a timer function to turn OFF
the main burner operation. The timer operates in increments of 15,
30, 45, 60, 90, 120, and 180 minutes.
To activate this function,
1. Press the MENU button to activate the menu.
2. Using the UP and DOWN arrows, highlight the TIMER icon and
press SELECT.
3. Use the UP and DOWN arrows to turn the TIMER ON or OFF,
then press select.
4. Using the UP and DOWN arrows, select the desired set time and
press SELECT.
•
The transmission indicator icon will flash to confirm the reception
of the command.
OPERATING INSTRUCTIONS
37
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
9.2 Lighting Instructions (#OAK-18-MV)
FOR YOUR SAFETY READ BEFORE LIGHTING
LIGHTING INSTRUCTIONS
A. This appliance has a pilot which must be lighted by hand. When
lighting the pilot, follow these instructions exactly.
B. BEFORE LIGHTING smell around the appliance area for gas.
Be sure to smell next to the floor because some gas is heavier
than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance
• Do not touch any electric switch; do not use
any phone in your
building.
• Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
C. Use only your hand to push in or turn the gas control knob.
Never use tools. If the knob will not push in or turn by hand,
don’t try to repair it, call a qualified service technician. Force or
attempted repair may result in a fire or explosion.
D. Do not use this appliance if any part has been under water.
Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and any
gas control that has been under water.
• If you cannot reach your gas supplier, call the fire department.
WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.
WARNING
Do not operate appliance with the glass front removed, cracked, or
broken. Replacement of the glass should be done by a licensed or
qualified service person.
Under no circumstances should any solid fuel (wood, coal, paper,
cardboard, etcetera) be used in this appliance.
Children and adults should be alerted to the hazards of high surface
temperature and should stay away to avoid burns or clothing ignition.
CAUTION
Clothing or other flammable material should not be placed on or near
the appliance.
Young children should be carefully supervised when they are in the
same room as the appliance. Toddlers, young children and others may
be susceptible to accidental contact burns. A physical barrier is
recommended if there are at risk individuals in the house. To restrict
access to a fireplace or stove, install an adjustable safety gate to keep
toddler, young children and other at risk individuals out of the room
and away from hot surfaces
1. STOP! Read all the safety information above on this page.
2. Set thermostat to lowest setting (if applicable).
3. Turn off all electric power to the appliance.
4. Open the control compartment access panel.
5.
Push in gas control knob slightly and turn clockwise
NOTE: Knob cannot be turned from “PILOT” to “OFF” unless
knob is pushed in slightly. Do not force.
6.
Wait five (5) minutes to clear out any gas. Then, smell
for gas, including near the floor. If you smell gas, STOP!
Follow ‘B’ in the safety information above. If you do not smell
gas, go to the next step.
7. Push in gas control knob slightly and turn counterclockwise
to “PILOT”.
8.
Push in control knob all the way and hold. Press the piezo
igniter button repeatedly until the pilot is lit and continue to
hold in the gas control knob.
9. Hold the gas control knob in for one (1) minute after pilot is lit.
Release knob and it will pop back up. Pilot should remain
lit. If
it goes out, repeat steps 5 through 10.
•
If the knob does not pop out when released, stop
and immediately call your service technician or gas
supplier.
•
If the pilot will not stay lit after several tries, turn the gas
control knob to “OFF” and call your service technician or
gas supplier.
10. Turn the gas control knob counterclockwise to “ON”
11. Set the ON/OFF rocker switch to the “ON” position.
12. Turn on all electric power to the appliance.
13. Set thermostat to desired setting (if applicable).
TO TURN GAS OFF TO APPLIANCE
2. Set thermostat to lowest setting (if applicable).
3.
Turn off all electric power to the appliance if service is to be
performed.
1. Push in gas control knob slightly and turn clockwise to
“OFF”.
38
OPERATING
INSTRUCTIONS
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
MAIN BURNER
ON/OFF ROCKER SWITCH
Figure 9.3, OAK-18-MV ON/OFF Rocker Switch Location
9.2.1 Main Burner On/Off Rocker Switch Location
The ON/OFF Rocker Switch location for the OAK-18-MV is located at
the rear of the appliance as shown in Figure 9.3. If you wish to turn off
just the burner, flip the ON/OFF switch to OFF. The pilot will stay lit.
For lighting instructions, follow section 9.2 on the previous page.
9.2.2 7 Day Time-out Pilot-on- Demand
Installations
For regions that require installations a 7 day time-out (refer to your
local dealer to see if this applicable to your installation), model #oak-
18s-MV is fitted with a millivolt Pilot-on-Demand gas control valve
equipped with a timer set for 7 consecutive days once the pilot has
been ignited. If there is no appliance operation within the 7 days, the
main burner and/or the pilot will turn off,
but the gas control knob will
still be set in its original position (‘PILOT’ or ‘ON’).
•
You must manually cycle the system to reignite operation.
•
This a standard safety feature of the SIT Millivolt Pilot-on-De-
mand control system.
•
Once you turn the pilot on, the
7 day
timer will start. If at any
time during the following 7 days your main burner ignites, it will
reset the timer back to
7 days.
To operate your millivolt pilot-on-demand system, open the control
compartment access panel to access the gas valve and gas control
knob. Refer to the lighting instructions on the previous page for
lighting procedures and safety information.
ADJUSTMENT
39
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
10.0 ADJUSTMENT
10.1 Gas Pressure Testing – OAK-18-L
NOTE: The appliance and its appliance main gas valve must be
disconnected from the gas supply piping system during any pressure
testing of the system at test pressures in excess of ½ psi (3.5 kPa).
IMPORTANT: Pressure check taps for manifold (outgoing) and inlet
(incoming) pressure have been incorporated into the valve. The
pressure tap marked OUT measures outgoing pressure. The pressure
tap marked IN measures incoming pressure.
10.1.1 Electronic Gas Valve Pressure Testing
10.1.1.1 Inlet Pressure Test
NOTE: Make sure to apply these incoming pressure test with all other
gas appliances on, or at full capacity in the house for proper pressure
reading.
IMPORTANT: If the inlet pressure reading is too high or too low, contact
the gas company. Only a qualified gas service technician should adjust
incoming gas pressure.
1. Loosen the inlet (IN) pressure tap by turning screw counter-
clockwise. See (A) in FIGURE 10.1.
2. Attach manometer using a 1/4” (6mm) I.D. hose.
3. Light pilot and burner. Check pressure to ensure it is between
the minimum and maximum recommended pressure settings
(TABLE 10.1).
4. Turn off burner and pilot.
5. Disconnect hose and tighten the inlet (IN) pressure tap by
turning screw clockwise. Screw should be snug. Do not
over tighten.
6. Relight pilot and burner. Then reattach manometer to the
inlet pressure tap (A) to verify the tap is completely sealed.
Manometer should read no pressure.
7. Relight pilot and burner. Then reattach manometer to
the inlet pressure tap (A) to verify the tap is completely
sealed. Manometer should read no pressure.
10.1.1.2 Manifold Pressure Test
1.
Light pilot.
2. Loosen manifold (OUT) pressure tap by turning screw counter-
clockwise. See (B) in FIGURE 10.1.
3. Attach manometer to pressure tap using a 1/4” (6mm) I.D. hose.
4. Light burner. Check manometer reading. Refer to TABLE 10.1.
5. Turn burner and pilot off.
6.
Disconnect manometer hose and tighten the manifold (OUT)
pressure tap by turning screw clockwise. Screw should be snug.
Do not over tighten.
7. Attach the manometer to the manifold pressure tap (B) to verify
it is completely sealed. The manometer should read no pressure
when pilot and burner are on.
Table 10.1, Pressure Requirements – OAK-18-L (IPI)
Gas Pressure Natural Gas Propane
Inlet Pressure
Tap (A)
5” –
10.5” WC
(1.25 – 2.61 kPa)
12” -
13” WC
(2.99 - 3.24 kPa)
Manifold Pressure
Tap (B)
1.0” -
3.5” WC
(0.25 - 0.87 kPa)
6.4” -
10” WC
(1.59 - 2.49 kPa)
40
ADJUSTMENT
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
10.1.2 Gas Pressure Testing - Millivolt
IMPORTANT: Pressure check taps for manifold (outgoing) and inlet
(incoming) pressure have been incorporated into the valve. The
pressure tap marked OUT measures outgoing pressure. The pressure
tap marked IN measures incoming pressure.
10.1.2.1 Inlet Pressure Test
NOTE: Make sure to apply the incoming pressure test with all other gas
appliances on, or at full capacity in the house for a proper pressure
reading. If the inlet pressure reading is too high or too low, contact the
gas company. Only a qualified gas service technician should adjust
incoming gas pressure. A low pressure can cause a delayed ignition.
1. Loosen the inlet (IN) pressure tap by turning screw
counterclockwise. See (A) in Figure 10.2.
2. Attach manometer using a ¼ in (6 mm) I.D. hose.
3.
Light pilot.
4. Turn the gas control knob to ON. Burner should not light. Note
manometer reading.
5.
Press the ON/OFF rocker switch to ON. Check pressure to ensure
it is near maximum inlet pressure.
6.
Press the ON/OFF rocker switch to OFF.
7. Turn the gas control knob to OFF.
8. Disconnect hose and tighten the inlet (IN) pressure tap by
turning screw clockwise. Screw should be snug. Do not over
tighten.
9. Relight pilot and turn the gas control knob to ON. Reattach
manometer to the inlet pressure tap (A) to verify the tap is
completely sealed. Manometer should read no pressure.
10.1.2.2 Manifold Pressure Test
1.
Light pilot.
2. Loosen manifold (OUT) pressure tap by turning screw
counterclockwise. See (B) in Figure 10.2.
3. Attach manometer to pressure tap using a ¼ in (6 mm) I.D. hose.
4. Turn gas control knob to ON.
5. Press the rocker switch to ON and note manometer reading.
6.
Disconnect manometer hose and tighten the manifold (OUT)
pressure tap by turning screw clockwise. Screw should be snug.
Do not over tighten.
7. Attach the manometer to the manifold pressure tap (B) to verify
it is completely sealed. The manometer should read no pressure
when the ON/OFF rocker switch is pressed to ON.
Table 10.2, Pressure Requirements – OAK-18-MV (Millivolt)
Gas Pressure Natural Gas Propane
Inlet Pressure
Tap (A)
5”
– 10.5” WC
(1.24 - 2.61 kPa)
11” -
13” WC
(2.74 - 3.24 kPa)
Manifold Pressure
Tap (B)
1.6” -
3.5” WC
(0.4 - 0.87 kPa)
2.7” -
10” WC
(.67 - 2.49 kPa)
(A) INLET PRESSURE TAP
(B) MANIFOLD PRESSURE TAP
Figure 10.2, Pressure Check Taps Locations (Millivolt Gas Valve)
ADJUSTMENT
41
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
10.2 Burner Flame Adjustments
WARNING: To avoid property damage or personal injury, allow the
fireplace ample time to cool before making any adjustments.
Burner flame appearance and characteristics are affected by
altitude, fuel quality, venting configuration, and other factors. After
installation, this appliance may need additional adjustments to
achieve optimum flame appearance and visual aesthetics.
10.2.1 Burner Venturi
WARNING: VENTURI ADJUSTMENT MUST BE DONE BY A QUALIFIED
SERVICE TECHNICIAN.
NOTE: Burner venturi air shutter settings have been factory set. Refer
to Table 10.3.
When this appliance is first lit, the burner flames will appear blue.
During the first 15 minutes of operation, flame appearance will
gradually turn to the desired yellow appearance. If the flames remain
blue or become dark orange with evidence of sooting (black tips),
adjustment of the air shutter opening may be necessary.
Regardless of venturi orientation, closing the air shutter will achieve a
desired yellow flame, but may produce soot on the glass. Opening the
air shutter will cause a short, blue flame that may lift off the burner.
Table 10.3, Factory Set Venturi Openings
Fuel Air Shutter Opening
Natural Gas
1/8” (3 mm) OPEN
Propane
5/8” (16 mm) OPEN
10.2.1.1 Venturi Adjustment
NOTE: If soot is present on the glass, check log positioning before
adjusting the venturi. Logs must not block burner ports.
1. Remove the safety barrier and glass frame assembly.
2. Remove the log set and pilot shield.
3. Remove the air deflector (3) screws.
4. Remove (3) screws underneath the previously removed air
deflector and (3) screws at the back of the firebox.
5. Remove burner assembly from firebox.
6. Loosen screw on venturi and adjust as necessary. Re-tighten
screw.
7. Reinstall all components previously removed.
IMPORTANT: Slight adjustments to the venturi opening will create
dramatic results. Adjust at slight increments until desired look is
achieved. Always burn the fireplace for at least 15 minutes and
allow the appliance ample time to cool before making any further
adjustments.
Table 10.4, Venturi Adjustment Guidelines
Flame Characteristic Cause Solution
Dark, orange flame
with black tips
Venturi closed too far Open venturi slightly
Short, blue flames Venturi open too far Close setting slightly
Lifting (ghosting)
flames
Gas pressure too high
Venturi closed too far
Check manometer
settings
Open venturi setting
slightly
BURNER ASSEMBLY
BURNER VENTURI
Figure 10.3, Burner Venturi Locations
Figure 10.4, Flame Appearance and Characteristics
42
ADJUSTMENT
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
10.2.2 Vent Restriction
WARNING: To avoid property damage or personal injury, allow the
fireplace ample time to cool before making any adjustments.
WARNING: Improper vent installation may cause the burner flames
to lift or “ghost.” Perform a visual check on flame appearance after
restrictor adjustment to ensure proper performance.
Vertical terminations may display an active, compact flame. If this
appearance is not desirable, a restrictor may need to be installed or
modified after vent termination installation. Access to the vent exit
for restriction can be reached through the fireplace baffle. Allow the
fireplace to burn for 15 minutes before making any adjustments.
10.2.2.1 Baffle Restrictor Adjustment
1. Remove the safety barrier and glass frame assembly to access
the baffle restrictor.
2. Remove and save (1) screw to adjust the baffle restrictor to
achieve desired flame appearance.
3. Secure baffle restrictor with (1) screw previously removed.
4. Reinstall the glass frame assembly and safety barrier.
Table 10.5, Restrictor Adjustment Guidelines
Flame Appearance Draft Problem Solution
Short,
flickering Excessive draft
Not enough restriction
Close baffle restrictor
Install
restrictor
plate
Lifting or ghosting*
Insufficient draft
Open baffle restrictor
Remove inner ring(s)
on restrictor plate, or
remove restrictor plate
*If flames continue to lift or ghost after opening the restrictor and
verifying correct vent installation, shut off the gas supply and call a
qualified service technician.
Figure 10.5, Baffle Restrictor Adjustments
ADJUSTMENT
43
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
10.2.2.2 Restrictor Plate Installation
1. Remove the safety barrier and the glass frame assembly.
2. Remove (2) screws at the firebox back wall securing the baffle.
Remove baffle to access venting.
3. Bend the tabs on the restrictor plate (included in components
packet) to approximately 80° angles. This will create tension
when the restrictor is inserted into the exhaust pipe.
4. Insert restrictor into the 4” (102 mm) exhaust pipe with the tabs
pointing towards you.
5. Reinstall baffle by resting the front of the baffle above flange
along the inside top of firebox opening. Tip the baffle against the
firebox back wall, and secure with (2) screws previously removed.
6. Reinstall all components previously removed.
10.2.2.3 Restrictor Plate Modification
1. Remove the safety barrier and the glass frame assembly.
2. Remove (2) screws at the firebox back wall securing the baffle.
Remove baffle to access venting.
3. Remove the restrictor by pulling it down and out of the 4” (102
mm) exhaust pipe. Make necessary modifications to achieve
desired flame appearance.
4. Insert restrictor into the 4” (102 mm) exhaust pipe with the tabs
pointing towards you.
5. Reinstall baffle by resting the front of the baffle above flange
along the inside top of firebox opening. Tip the baffle against the
firebox back wall, and secure with (2) screws previously removed.
6. Reinstall all components previously removed.
Figure 10.6, Vent Access and Restrictor Plate
44
TROUBLESHOOTING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
11.0 TROUBLESHOOTING
11.1 Electronic Ignition System
ATTENTION: Troubleshooting must be performed by a qualified
technician.
Before proceeding with the steps in the following troubleshooting
guide,
•
Verify proper 120VAC power supply to the control module.
•
Verify the control module battery pack batteries (not included)
are fresh and installed with correct polarity.
•
Verify all connections between the wire harnesses and the
system components are proper and positive.
•
Verify inlet pressure meets the recommended inlet pressure. If
necessary, adjust line pressure regulator.
Issue Cause Solution
Pilot will not light
Electrical power interrupted or
disconnected
Restore electrical power to appliance or use battery back-up.
Wiring disconnection
Ensure batteries are fully charged if using battery back-up as power
source.
Use wiring schematic in this manual to determine that all wiring
connections are secure and correct.
Gas supply turned off
Check remote shut-off valves from the appliance. Usually there is
a valve near the main gas line. There may be more than (1) valve
between the appliance and main gas line.
LP/NG switch on control system not
engaged
Verify the switch on the control module is set to the correct gas
fuel type.
Pilot will not stay lit
No propane in tank
Check propane tank. Refill if necessary.
Low gas pressure
Consult a plumber or a gas supplier.
Can be caused by situations such as a bent line, too narrow diameter
or pipe, or a low line pressure.
Pilot flame not making contact with
the flame rectification sensor on the
pilot assembly
Verify the pilot flame envelopes the top of the flame sensor and
extends far enough onto burner for ignition.
To adjust pilot flame, turn pilot adjustment screw on the gas valve
clockwise to decrease flame, and counterclockwise to increase
flame.
Pilot adjustment screw not sealed
Seal pilot adjustment screw. Do not over-tighten.
Pilot flame always on, or will not
extinguish
Control system set to CPI
mode
Set control system to IPI mode.
Main burner flame will not light
ON/OFF rocker switch in
OFF
position
Switch rocker switch to ON position.
Gas supply turned off
Check for multiple shut-offs in the supply line. Verify gas supply is
turned on.
Low gas supply
Consult with plumber or gas supplier.
Check propane tank. Refill if necessary.
Wiring disconnection or improper
wiring
Check for faulty or incorrect wiring. Refer to FIGURE 8.3
OAK18-L
WIRING
SCHEMATICS
(page 28).
Plugged main burner orifice
Remove blockage.
Pilot flame
Verify the pilot flame is properly directed to ignite burner. See pilot
flame troubleshooting above.
Remote control not working properly
Replace batteries.
No Call for heat
Verify remote control is powered ON and thermostat operation is
turned OFF
TROUBLESHOOTING
45
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
Issue Cause Solution
Pilot and burner extinguish
while in operation
No propane in tank Check propane tank. Refill if necessary.
Incorrect glass assembly
installation
Refer to section 7.2
GLASS FRAME ASSEMBLY on page 23.
Incorrect vent cap installation Adjust if necessary.
Vent cap blockage Remove debris if necessary.
Improper pitch on horizontal
venting
¼” (6 mm) rise per 1’ (30 cm) is required on horizontal venting
Exhaust vent pipe leaking
exhaust gases back into firebox
Check for leaks and repair if necessary.
Excessive draft A restrictor may need to be installed or modified. Refer to section
10.2.2 VENT RESTRICTION on page 42
Soot appears on glass Improper log placement Refer to section 7.3 #OP18-500 LOG SET INSTALLATION on
page 24.
Improper venturi setting
Venturi air shutter may need to be opened slightly to allow more
air into the gas mix. Refer to section 10.2.1.1 BURNER
VENTURI on page 41.
Incorrect vent cap installation Adjust if necessary.
Vent cap blockage Remove debris if necessary.
Flame burns blue and lifts off
burner
Improper venturi setting Venturi air shutter may need to be opened slightly to allow more
air into the gas mix. Refer to section 10.2.1.1 BURNER
VENTURI on page 41.
Incorrect vent cap installation Adjust if necessary.
Blockage or leakage of the vent
system
Check the vent pipes for leaks, and the vent cap for debris. Repair
the vent pipes or remove debris from vent cap, if necessary.
No reaction to command Battery back up batteries low Replace batteries.
No communication between
remote control and control module
Reprogram remote control to Komfort 8K1 module. Refer to
section 9.1.2, INITIALIZE THE KOMFORT 8K1 CONTROL
SYSTEM on page 32.
A maximum number of failed
ignitions or flame restorations has
been reached
Reset Komfort 8K1 control module. Refer to section 9.1.2,
INITIALIZE THE KOMFORT 8K1 CONTROL SYSTEM on
page 32.
46
TROUBLESHOOTING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
11.2 Continuous Pilot Ignition
(Millivolt) System
ATTENTION: Troubleshooting must be performed by a qualified
technician.
Issue Cause Solution
No spark from electrode to pilot
when piezo button is triggered
Piezo igniter wiring disconnection
Verify piezo igniter is properly grounded. Tighten mounting
fastener, if required.
Check and repair, if necessary, the wire connections between the
piezo igniter and igniter electrode.
Check wiring disconnection
Check wiring at back of electrode igniter for proper connection.
Incorrect
electrode
position
Verify there is a 1/8” (3 mm) gap between the electrode and pilot.
Readjust if necessary. Direct metal contact may cause an arc below
the electrode and along the electrode wire.
Spark igniter will not light after
repeated triggering of piezo
button
No
gas
Check for multiple shut-off valves in the supply line.
Check propane tank for gas supply. Refill if necessary.
Pilot will not stay lit after
carefully following lighting
instructions
Pilot flame does not impinge on
thermocouple
Clean pilot hood
Adjust pilot flame at gas valve for proper flame impingement.
Loose thermocouple connection
Ensure thermocouple connection at gas valve is full inserted and
tight - hand tight plus 1/4 turn.
Thermocouple reading below 15
millivolts
Disconnect the thermocouple from valve. Place one millivolt meter
lead wire on the end of the thermocouple, and the other millivolt
meter lead wire on the thermocouple’s copper wire. Start the pilot
while holding the gas valve control knob in.
If the millivolt reading is less than 15 millivolts, replace thermocouple.
Thermopile not generating
sufficient millivolts
Adjust, if necessary, the pilot flame to envelope thermopile.
Check thermopile connections are properly wired to the gas control
valve. Tighten if necessary.
Measure millivolt production with a millivolt meter. Turn remote/
thermostat/wall switch, or ON/OFF rocker switch to OFF. Turn the
gas valve control to the PILOT position (pilot should remain lit).
Take millivolt reading at TH-TP and TP terminals on gas valve.
Reading should be 350 millivolts, minimum. If reading is less than
350 millivolts, replace thermopile.
Frequent pilot outages
Pilot shield not installed
Install pilot shield.
Pilot safety dropout
Pilot flame is too high or too low. Clean pilot hood and adjust pilot
flame for maximum flame impingement on thermopile.
TROUBLESHOOTING
47
#OAK-18-L & MV R.7 April 2022
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
Issue Cause Solution
Burner will not light Lighting instructions not followed
Turn
gas control knob
to ON position.
Turn the ON/OFF rocker switch
to ON position.
Put wall switch, remote control, or thermostat in heat demand
position.
Plugged main burner orifice
Remove blockage as necessary.
Switching device is defective
Check remote, thermostat, or wall switch wires for proper
connection.
Place jumper wires across terminals at switch. If the burner lights,
replace the defective switch, thermostat, or batteries in remote
control as necessary.
If switching device checks out
as described above, place jumper
wires across switches on the gas valve. If the burner lights, the
switching wires are faulty, or connections are bad. Replace as
necessary.
Burner will not stay lit
Thermopile wires loose at valve
terminals
Tighten if necessary.
Thermopile wires ground out due
to pinched wires
Free pinched wires if necessary.
Improper refractory panel
placement (if installed)
Refractory panels must be tight against firebox walls. It may
be necessary to secure panels with high-
temperature sealant,
especially around the intake duct.
Pilot and burner extinguish while
in operation
No propane in tank Check propane tank. Refill if necessary.
Incorrect glass frame assembly
installation
Refer to section 7.2 GLASS FRAME ASSEMBLY on page 23.
Improper pitch on horizontal
venting
¼” (6 mm) per 12” (30 cm) is required on horizontal venting
Defective thermopile or
thermocouple
Check thermopile and thermocouple for proper millivolts
Inner vent pipe leaking exhaust
gases back into firebox
Check for leaks and repair if necessary.
Vent cap blockage Remove debris if necessary.
Excessive draft A restrictor may need to be installed or modified. Refer to section
10.2.2 VENT RESTRICTION on page 42.
Glass sooting Improper log placement Refer to section 7.3 #OP18-500 LOG SET INSTALLATION on
page 24.
Improper venturi setting
Venturi may need to be opened slightly to allow more air into the
gas mix. Refer to section 10.2.1
BURNER VENTURI
on page
41.
Incorrect vent cap installation Adjust if necessary.
Vent cap blockage Remove debris if necessary.
Flame burns blue and lifts off
burner
Improper venturi setting
Venturi may need to be opened slightly to allow more air into the
gas mix. Refer to section 10.2.1
BURNER VENTURI
on page
41.
Incorrect vent cap installation Adjust if necessary.
Blockage or leakage of the vent
system
Check the vent pipe for leaks, and the vent cap for debris. Repair
vent pipe or remove debris from vent cap if necessary.
48
MAINTENANCE
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#OAK-18-L & MV R.7 April 2022
12.0 MAINTENANCE
ATTENTION: Installation and repair should only be done by a qualified
service person. The appliance should be inspected before use and at
least annually by a professional service person. More frequent cleaning
might be required due to excessive lint from carpeting, bedding
material, et cetera. It is imperative that control compartments, burners,
and circulating air passageways of the appliance be kept clean. Use a
vacuum to clean all components.
WARNING: The appliance area must be kept clear and free from
combustible materials, gasoline and other flammable vapors and
liquids.
12.1 Firebox
Performed by: Qualified Service Person
Frequency: Annually
Action:
•
Vacuum and clean any debris in the firebox that is not supposed
to be there.
•
Inspect and operate the bottom latch assembly. Verify the
assembly is free from obstruction to operate. The handles must
have spring tension but be able to move forward freely.
12.2 Fan (if applicable)
CAUTION: Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and dangerous operation.
Verify proper operation after servicing.
Performed by: Qualified Service Person
Frequency: Every 6 months
Action:
•
Disconnect the fan from electrical current and vacuum.
•
The bearings are sealed and require no oiling.
12.3 Vent System
NOTE: If the vent-air intake system is disassembled for any reason,
reinstall per instructions provided with installation. Refer to Section
6.0 VENTING on page 19.
Performed by: Qualified Service Person
Frequency: Annually
Action:
•
Examination of the vent system is required.
•
The flow of combustion and ventilation air must not be
obstructed.
12.4 Glass Assembly
CAUTION: Do not operate appliance with the glass assembly removed,
cracked, or broken. Use protective gloves to handle any broken or
damaged glass assembly components.
WARNING: Do not use substitute materials.
WARNING: Avoid striking or slamming glass assembly. Avoid abrasive
cleaner. DO NOT clean glass while it is hot.
IMPORTANT: Any safety screen, guard, or barrier removed for servicing
the appliance must be replaced prior to operating the appliance.
Performed by: Homeowner
Frequency: Annually
Action:
•
Prepare a work area large enough to accommodate the glass
assembly on a flat, stable surface.
•
Remove safety screen and glass frame assembly.
•
Clean glass window with a suitable fireplace glass cleaner using
a soft cloth. Abrasive cleaners must not be used. Be careful not to
scratch the glass when cleaning.
•
Reinstall glass assembly and safety screen.
•
Any safety screen, guard, or barrier removed for servicing the
appliance must be replaced prior to operating the appliance.
Performed by: Qualified Service Person
Frequency: Annually
Action:
•
Clean glass window with a suitable fireplace glass cleaner using
a soft cloth. Abrasive cleaners must not be used. Be careful not to
scratch the glass when cleaning.
•
Inspect the glass for cracks, scratches, and nicks.
•
Verify the glass assembly is properly intact and not damaged.
•
Replace the glass and the assembly #701-014T as necessary.
•
Only Hussong Mfg. Co., Inc. will supply the replacement of glass
assembly as a complete unit.
12.5 Burner and Pilot System
The burner assembly may be removed for easier access to the control
compartment. Refer to section 7.4 Control Board Removal and
Installation on page 25. Verify gas supply is turned on and filled.
Consult with plumber or gas supplier as necessary.
Performed by: Qualified Service Person
Frequency: Annually
Action:
•
Vacuum all components of the burner system.
•
Check all accessible gas-carrying tubes, connections, pipes, and
other components for leaks.
•
Inspect the operation of the flame safety system Pilot or Flame
rectification device. Visually check pilot light when in operation.
•
Continuous Pilot Ignition System (Millivolt): Ensure pilot
flame impinges on thermocouple. Clean pilot hold and adjust
pilot flame at gas valve for proper flame impingement. Verify
thermocouple connections and millivolt production.
•
Inspect and ensure the lighting of the main burner occurs within
(4) seconds of the main gas valve opening. Check for faulty or
incorrect wiring and correct or replace as necessary. Inspect
primary air openings (burner ports) for blockage, especially near
the pilot.
•
Visually check burner flame pattern when in operation. Flames
should be steady, not lifting or floating.
•
Test and measure the flame failure response time of the flame
safety system. It must de-energize the safety shutoff in no more
than (30) seconds.
#OAK-18-L & MV R.7 April 2022 Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
MAINTENANCE
49
Figure 12.2, Pilot and Burner Correct Flame Appearance
Figure 12.1, Burner System
13.0 REPLACEMENT PARTS LIST
Replacement parts are available through your local dealer. Contact your local dealer for availability and pricing.
The following warning is for replacement parts for this appliance.
WARNING: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer, birth
defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
OAK-18-L CONTROL BOARD AND PARTS
Dexen Control Board - Natural Gas
OP18-
D350 Pilot Orifice - Natural Gas #.018 700-094P
Dexen Control Board - Propane
OP18-
D351 Pilot Orifice - Propane #.012 700-095P
Dexen MH3V Gas Valve - Natural Gas
DEX-3VN Dexen Valve Step Motor - Natural Gas DEX-SMN
Dexen MH3V Gas Valve - Propane
DEX-3VLP Dexen Valve Step Motor - Propane DEX-SMLP
Komfort 8K1 Control Module DEX-8K1 36” Flexible Gas Line - Black 700-236B
DEX-AUX3 Control Board
DEX-AUX3 Flexible Gas Line - Valve to Burner Connection 700-226F
Main Wire Harness DEX-MWH
NG Burner Orifice #43
700-243
AUXI Wire Harness
DEX-AIWH
Propane
Burner
Orifice
#54
700-254
On/Off
Rocker
Switch
700-023
Conversion Kit - Natural Gas
NCK-OP18L-D
NG Dexen PSE IPI Pilot Assembly
DEX-191
Conversion Kit - Propane
LCK-OP18L-D
Propane Dexen PSE IPI Pilot Assembly
DEX-191-1 Burner Plate OP18-350
Dexen Transmitter (Remote Control) DEX-RC3 Burner OP18-351
Toggle Wire Harness DEX-TWH Battery Pack – 6V DEX-BP
OAK-18-MV CONTROL BOARD AND PARTS
Control Board - Natural Gas
OP18-
770
Pilot Orifice - Natural Gas #51
700-165
Control
Board -
Propane
OP18-
771
Pilot Orifice - Propane #35
700-095
SIT Gas Valve - Natural Gas
700-
086N
SIT Millivolt Pilot Hood 700-098
SIT Gas Valve -
Natural
Gas
(7
day
time-out)
700-086N-7
SIT Millivolt Quick Change Screw 900-QCS
SIT Gas Valve - Propane
700-087A
36”. Flexible Gas Line - Black 700-236B
SIT Gas Valve - Propane (7 day time-out)
700-087A-7
Flexible Gas Line - Valve to Burner Connection 700-226F
On/Off
Rocker
Switch
700-023
NG Burner Orifice #43
700-243
SIT Pilot Assembly - Natural Gas 700-088
Propane
Burner
Orifice
#54
700-254
SIT Pilot Assembly - Propane 700-089
Conversion Kit - NG
OCK-
S43A
Push Button Igniter 700-032
Conversion Kit - Propane
OCK-
S54A
Flexible Pilot Tubing (valve to pilot) 700-091
Burner
Plate
OP18-
350
Millivolt Generator 700-092 Burner
OP18-
351
Thermocouple 700-093
Hussong Manufacturing Co., Inc.
P.O. Box 577
204 Industrial Park Drive
Lakefield, MN 56150-0577
USA
OAK-18-L and OAK-18-MV
50
REPLACEMENT PARTS LIST
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces #OAK-18-L & MV R.7 April 2022
OVERLAYS
Prairie Design Overlay
OP18-
POL
Arched Prairie Design Overlay
OP18A-
POL
Hussong Manufacturing Co., Inc.
P.O. Box 577
204 Industrial Park Drive
Lakefield, MN 56150-0577
USA
OAK-18-L and OAK-18-MV
#OAK-18-L & MV R.7 April 2022 Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
REPLACEMENT PARTS LIST
51
ADDITIONAL COMPONENTS
4” Restrictor
Plate
900-085
Manual Gas Shut-off Valve 700-203
Remote Receiver Mounting Bracket
700-
308RB
SAFETY BARRIERS
17.875” x 22” Safety Screen (only)
OPT-
ES
GLASS AND GLASS GASKET
12.75” x 18.125” Standard Glass with Gasket
701-
014T
1-1/8” Glass Gasket 900-006
Valance
OP18-
005
LOG SET
6 Piece Log Set
OP18-
500
#OP18
1
Log
OP18-
1
#OP18
2
Log
OP18-
2
#OP18
3
Log
OP18-
3
#OP18
4
Log
OP18-
4
#OP18
5
Log
OP18-
5
#OP18
6
Log
OP18-
6
Rock Wool Embers
900-
REMB
Lava Rock 1/2” 600-702
Lava Rock 1/4” 600-703
FAN KIT
Fan Kit (OP18-L) (Standard)
OP18-028-IPI
Fan Kit (OP18-MV) (Optional)
OP18-
028
LIMITED LIFETIME WARRANTY
Warranty Coverage
Hussong Manufacturing Company, Inc. (Hussong Mfg.) warrants this
Kozy Heat gas appliance from the date of purchase to the original
purchaser, that it is free of defects in materials and workmanship at
the time of manufacture. Registering your fireplace warranty does not
require any documents to be sent in to Hussong Mfg. Please retain
your proof of purchase reflecting the date of purchase along with the
serial number and model of your fireplace for any future warranty
claims.
If a defect is noted within the warranty period, the customer should
contact their authorized dealer for service within 30 days.
30 Days: Parts & Labor*
•
Paint
•
Light bulbs
•
Gasket
material
•
Glass media and media dam
Year 1: Parts & Labor*
•
All parts and material except the items listed in the 30 day
warranty and any exclusions or limitations that may apply.
*Hussong Mfg. will issue labor reimbursement to an authorized dealer
only. Hussong Mfg. will not be liable for charges occurred as a result of
any service performed by a non-authorized service provider, without
pre-authorization.
Years 2 through Lifetime: Parts Only
•
Firebox
•
Heat
Exchanger
•
Logs
•
Burner tube or pan
•
Outer
shell
•
Heat
shield(s)
•
Front Viewing Glass (thermal shock only)
•
Refractory Firebox liner (excluding enamel and glass panels)
EXCLUSIONS AND LIMITATIONS
1. This appliance must be installed by a licensed, authorized service technician or contractor. It must be installed, operated and maintained
at all times in accordance with the instructions in the owner’s manual or the warranty is void.
2. This warranty is nontransferable and is made to the original purchaser only.
3. This warranty excludes standard wear and tear of the appliance which is considered normal usage over time.
4. Discoloration and some minor expansion, contraction or movement of certain parts, resulting in noise, is normal and not a defect.
5. Warranty is automatically voided if the appliance’s serial number and/or testing label is removed or if the appliance is altered or
tampered with in any way.
6. Warranty is void if the appliance is subject to submersion in water or prolonged periods of dampness or condensation. Any damage
to any part of the appliance due to water or weather damage which is the result of, but not limited to, improper chimney/venting
installation will also render this warranty void.
7.
This warranty does not cover installation and operational related problems such as environmental conditions, nearby trees, buildings,
hilltops, mountains, inadequate venting or ventilation, excessive offsets, negative air pressures caused by any mechanical systems.
8.
Chimney components and other Non-Hussong Mfg. accessories used in conjunction with the installation of this appliance are not
covered under this warranty.
9. Damage to plated surfaces or accessories, if applicable, caused by scratches, fingerprints, melted items or other external sources left on
the surfaces from the use of cleaners is not covered under this warranty.
10. It is expressly agreed and understood that this warranty is Hussong Mfg.’s sole obligation and purchaser’s exclusive remedy for defective
fireplace equipment. Hussong Mfg. is free of liability for any damages caused by this appliance, as well as inconvenience expenses
and materials. Incidental or consequential damages are not covered by this warranty. In some states, the exclusion of incidental or
consequential damage may not apply. Hussong Mfg. shall not be held to implied warranties and this warranty shall replace all previous
warranties.
11. This limited lifetime warranty is the only warranty supplied by Hussong Mfg. Any warranties extended to the purchaser by the dealer/
distributor, whether expressed or implied, are hereby disclaimed and the purchaser’s recourse is expressly limited to the warranties set
forth herein.
12. Any part repaired or replaced during the limited warranty period will be warranted under the terms of the limited warranty for a period
not to exceed the remaining term of the original limited warranty.
13. An
y replacement part repaired after the warranty period will include a 90 day parts coverage
14. Hussong Mfg. may require the defective part to be returned using a pre-authorized RGA number or a photo of the defective component.
Failure to provide either can result in a denied claim.
15.
This warranty does not cover the appliances’ ability to heat a desired space, as there are many factors that can impact the heating
performance in each home. Consideration should be implied to the appliance’s location, room size, home design, environmental
conditions, insulation, and tightness of the home.
16. Hussong Mfg. reserves the right to make changes at any time, without notice, in design, material, specifications, and prices. Hussong
Mfg. reserves the right to discontinue models and products.
July 2018
52
LIMITED LIFETIME WARRANTY
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces #OAK-18-L & MV R.7 April 2022
