WELLS MANUFACTURING
265 Hobson Street, Smithville, Tennessee 37166
telephone: 800-264-7827
www.wells-mfg.com
IMPORTANT: DO NOT DISCARD THIS MANUAL
This manual is considered to be part of the appliance and is to be given to the OWNER or
MANAGER of the restaurant, or to the person responsible for TRAINING OPERATORS of
this appliance. Additional manuals are available from your WELLS DEALER.
THIS MANUAL MUST BE READ AND UNDERSTOOD BY ALL PERSONS USING OR
INSTALLING THIS APPLIANCE. Contact your WELLS DEALER if you have any
questions concerning installation, operation or maintenance of this equipment.
OWNERS MANUAL
VENTLESS UNIVERSAL
HOOD SYSTEM
for
ELECTRIC
COOKING
APPLIANCES
MODEL
WVU96
GK96
Manual Includes
INSTALLATION
USE & CARE
EXPLODED VIEW
PARTS LIST
WIRING DIAGRAM
522-2
2M-Z23216 Rev. -
IL2372
01/2020
LIMITED EQUIPMENT WARRANTY
Wells Manufacturing warranties new products to be
free from defects in material and/or workmanship
for a period of one [1] year from the date of original
installation, except as noted below. Defects that occur
as a result of normal use, within the time period and
limitations defined in this warranty, will at Wells’
discretion have the parts replaced or repaired by Wells
or a Wells-authorized service agency.
THIS WARRANTY IS SUBJECT TO ALL LISTED CONDITIONS.
Repairs performed under this warranty are to be
performed by a Wells authorized service agency. Wells
will not be responsible for charges incurred or service
performed by non-authorized repair agencies. In all
cases, the nearest Wells-authorized service agency
must be used. Wells will be responsible for normal
labor charges incurred in the repair or replacement
of a warrantied product within 50 miles (80.5 km)
of an authorized service agency. Time and expense
charges for anything beyond that distance will be
the responsibility of the owner. All labor will need
to be performed during regular service hours. Any
overtime premium will be charged to the owner. For all
shipments outside the U.S.A. and Canada, please see
the International Warranty for specific details. It is the
responsibility of the owner to inspect and report any
shipping damage claims, hidden or otherwise, promptly
following delivery. No mileage or travel charges will be
honored on any equipment that is deemed portable. In
general, equipment with a cord and plug weighing less
than 50 lb. (22.7 kg) is considered portable and should
be taken or shipped to the closest authorized service
agency, transportation prepaid.
WARRANTY EXCLUSIONS
THE FOLLOWING WILL NOT BE COVERED UNDER WARRANTY.
• Any product which has not been used, cleaned, maintained,
or installed in accordan
ce with the directions published in the
appropriate installation sheet and/or owner’s manual as well
as national and local codes, including incorrect gas, electrical,
or water connection. Lang is not liable for any unit which has
been mishandled, abused, misapplied, subjected to chlorides,
harsh chemicals, or caustic cleaners, damaged from exposure
to hard water, modified by unauthorized personnel, damaged
by flood, fire, or other acts of nature [or God], or which have
an altered or missing serial number.
• Installation, labor, and job checkouts, calibration of heat
controls, air and gas burner/bypass/pilot adjustments, gas
or electrical system checks, voltage and phase conversions,
cleaning of equipment, or seasoning of griddle surface.
• Replacement of fuses or resetting of circuit breakers, safety
controls, or reset buttons.
• Replacement of broken or damaged glass components,
quartz heating elements, and light bulbs.
• Labor charges for all removable parts in gas charbroilers
and hotplates, including but not limited to burners, grates,
and radiants.
• Any labor charges incurred by delays, waiting time, or oper-
ating restrictions that hinder a service technician’s ability to
perform service.
• Replacement of items subject to normal wear or items that
can easily be replaced during a daily cleaning routine, such as
but not limited to knobs, bulbs, fuses, quartz heating ele-
ments, baskets, racks, and grease drawers.
• Components that should be replaced when damaged or
worn, but have been field-repaired instead [eg. field-welded
fry pots]
• Any loss of business or profits.
ADDITIONAL WARRANTIES
• Specific/chain specific versions may also have additional
and/or extended warranties.
PRODUCTS PARTS LABOR
Universal ventless hoods (WVU)
1 year 1 year
Canopy ventless hoods (WVC)
1 year 1 year
*Universal ventless hoods and/or
canopy ventless hoods purchased
with approved Southbend-Star
electric equipment
*Southbend-Star approved electric
equipment purchased and installed
under ventless hood
**Universal Ventless Hood and
Southbend-Star electric equipment
must be on the same PO and listed
on the ventless start-up document
for the 2 year warranty to apply
2 years 2 years
“Cook’n Hold” equipment [HW10, HWSMP,
LLSC7, LLSC7WA, LLSC11, and LLSC11WA]
2 years 1 year
Cast iron grates, burners; and burner shields
1 year
Wells parts sold to repair equipment 90 days
Service First 1 year
CONTACT
Should you require any assistance regarding the
operation or maintenance of any Wells equipment;
write
, phone,
fax or email our service department. In all
correspondence mention the model number and serial
number of your unit, as well as the voltage or type of
gas you are using.
Business hours are 8:00 a.m. to 4:30 p.m. Central
Standard Time (CST)
Telephone: (800)-264-7827
Fax: (314)-781-2714
Email: Customerservice@star-mfg.com
www.wells-mfg.com
The foregoing warranty is in lieu of any and all other warranties expressed or implied and constitutes the entire warranty.
2M-Z22393 · Rev. B · 01.2019
• Ansul deployments are not covered under warranty.
xi
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
1
Thank You for purchasing this Wells Manufacturing appliance.
Proper installation, professional operation and consistent maintenance of this appliance will ensure
that it gives you the very best performance and a long, economical service life.
This manual contains information and instructions for the ventless ventilation hood, its use and care.
For information regarding cooking appliance(s), please refer to the manufacturer’s operation manual.
TABLE OF CONTENTS
ELECTRICAL SPECIFICATIONS
INTRODUCTION
Model Volts Hz Amps Power Supply
WVU96/GK96 208/240V 60 Hz 7 For supply connection use #12 AWG copper wire only.
WARRANTY xi
ELECTRICAL SPECIFICATIONS 1
FEATURES & OPERATING CONTROLS 2-3
PRECAUTIONS & GENERAL INFORMATION 4
AGENCY LISTING INFORMATION 5
INSTALLATION 5
Unpacking & Inspection 5
Components 5
Under-Hood Appliance Limitations 6-7
Service Technician Installation Notes 8-9
Base Assembly 10-24
Under-HoodSpecicLimitations 25-27
Electrical Installation 28-29
ANSUL® INSTALLATION & SETUP 30-31
Filter Installation 32
OPERATION 33
Operation Lights 33
CLEANING INSTRUCTIONS 34-35
DISCHARGE DIRECTION CHANGE 36
REQUIRED MAINTENANCE & MAINTENANCE LOGS 37-41
TROUBLESHOOTING SUGGESTIONS 42
WIRING DIAGRAM 43
EXPLODED VIEW & PARTS LIST 44-53
PARTS & SERVICE 54
CUSTOMER SERVICE DATA 54
APPLICATION FOR VENTLESS APPROVALS 55-56
2
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
FEATURES & OPERATING CONTROLS
VENTILATOR CONTROL PANEL
see page 15
IL2391a
12 11
13
14
20
19
15
24
10
9
43 5 6
7
8
16
17
2
22
23
21
1
18
Ventilator Section Operating Features & Controls
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
3
FEATURES & OPERATING CONTROLS continued
FEATURES & OPERATION CONTROLS
ITEM
NO
DESCRIPTION COMMENT
1
VENTILATOR EXHAUST DUCT,
TOP
Exitpointforventilatorairow-ontopofunit.DO NOT BLOCK
2
VENTILATOR EXHAUST DUCT,
FRONT
Exitpointforventilatorairow-onfrontofunit. DO NOT BLOCK
3 VENTILATOR FAN Provides air movement for ventilation
4
HI-EFFICIENCY/CHARCOAL
FILTER PACK
Removes grease and smoke particles. Also assists in cooking
odor removal.
5 NAMEPLATE
Gives manufacturer, make and model description. Also list
voltage and amperage data.
6 FIRE SUPPRESSION TANK Container for ANSUL®
Low-pHLiquidresuppressionuid.
7 ACTUATOR ASSY
Triggersdeploymentofsuppressionuidthroughmanualpull
station or electric detection.
8 ANSUL® CARTRIDGE
Propels suppression liquid through suppression manifold and
nozzles.
9 MANUAL PULL STATION
Providesameansofmanualactivationoftheresuppression
system. PULL ONLY IN CASE OF FIRE!
10 ADJUSTABLE LEGS Allows the unit to be leveled.
11 AIR WALL
A wall of air that moves the grease and smoke particles into the
ltersystem.
12 DISCHARGE NOZZLES
Fire suppression media discharges here, (6 places 48”, 12
places 96”)
13 ELECTRICAL DETECTORS
Designedtoactivateatcertaintemperature.Activates(i.e.re
onthecooktop)activatesresuppressionsystem.Shouldbe
checked every 6 months during ANSUL® Service Inspection
14 APPLIANCE LIGHT ON when hood power switch is ON. Illuminates cooking area.
15 GREASE DRIP TRAY
Collectsgrease/moisturedrippingfrombafelter(16)
16 BAFFLE FILTER Extractsanddrainsmostgreasesandmoisturefromtheairow.
17 PRE-FILTER ASSEMBLY
Comprises the PRE-FILTER FRAME and a replaceable PRE-
FILTER. Stops large particles of grease from reaching the
FILTER PACK for reduced maintenance costs.
18 ELECTRICAL CONNECTION BOX Houses electrical components
19 GROUND LUG Ground wire of power connection connects here.
20
EQUIPMENT INTERFACE
CONTACTOR
Energizes cooking appliances only while ventilator section is
sensed as operational.
21 BUILDING FIRE ALARM RELAY
Reportsrealarmconditiontobuildingremanagementsystem.
22
DETECTION END OF LINE
RELAY
Prevents appliance operation if a fault is found in detection
circuit.
23
SUPPLY CONNECTION
TERMINAL BLOCK
Provides connection point for electrical circuitry
24 FILTER INTERLOCK SWITCHES
Properinstallationofbafelterandlterpackclosesthese
switches in ventilator sensor circuit
4
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
PRECAUTIONS AND GENERAL INFORMATION
This ventilator hood is part of an engineered system and is intended for
use in commercial establishments only.
This ventilator is intended
for commercial establishments for use
in the preparation of food for human consumption. No other use is
recommended or authorized by the manufacturer or its agents.
Operators of this appliance must be familiar with the appliance use,
limitations and associated restrictions. Operating instructions must be
read and understood by all persons using or installing this appliance.
This ventilator hood system is designed to reduce odor emissions,
but will not completely eliminate all cooking odors. Air exchange
rates at the installation site must comply with the requirements of the
local jurisdictional authority. To ensure that odors do not accumulate,
recommended minimum air exchange is 200 cfm per linear foot of hood
into and out of the site.
This unit is intended for use with light- and medium duty electric
cooking appliances only. Cooking appliances placed under this
ventilator must comply with the restrictions set forth in the Installation
section of this manual.
Do not connect or energize this appliance until all installation
instructions are read and understood. Property damage or bodily
injury may result if these instructions are not followed. Disconnect this
appliance from electrical power before performing any maintenance or
servicing.
Cleanliness of this appliance is essential to good sanitation. Read and
follow all included cleaning instructions and schedules to ensure the
safety of the food product.
This appliance is not jet steam approved. Do not direct water jet or
steam jet at this appliance, or at any control panel or wiring.
Do not splash or pour water on, in or over any controls, control panel or
wiring.Donotattempttowashlterpacks.Waterwillcausetheir
immediate failure and disable the ventilator.
Exposed surfaces of this appliance can be hot to the touch and may
cause burns.
Avoidstoringammableorcombustiblematerialsin,onornearthe
ventilator or associated cooking appliance.
The technical content of this manual, including any wiring diagrams,
schematics, parts breakdown illustrations and/or adjustment
procedures,isintendedforusebyqualiedtechnicalpersonnel.
Any procedure which requires the use of tools must be performed by a
qualiedtechnician.
All supplied instructions, diagrams, schematics, parts breakdown
illustrations, notices and labels must remain with the appliance if the
unit is sold or moved to another location.
This appliance is made in the USA. Unless otherwise noted, this
appliance has American (SAE) sizes on all hardware.
DANGER:
SUFFOCATION HAZARD
Do not attempt to use this
ventilatorwithgas-redunits.
This ventilator will not remove
products of combustion.
Unvented exhaust gasses
can be deadly.
WARNING:
SHOCK HAZARD
All servicing requiring
access to non-insulated
electrical components must
be performed by a factory
authorized technician.
DO NOT open any access
panel which requires the use
of tools. Failure to follow this
warning can result in severe
electrical shock.
IMPORTANT:
The ventilator is disabled
whentheltersareplugged
tothepointofinsufcient
airowforproperoperation.
Also, power to the cooking
appliances is interrupted if
anyltersorservicepanel
are removed.
It is the responsibility of
the store management to
maintainsufcientspares
oflterpackstoavoid
prolonged shutdown due
toadirtyorcloggedlter
pack. Filter packs cannot be
cleaned.
Wells Manufacturing
assumes no liability for loss
ofbusinessduetoalter
related shutdown. Spare
lterscanbepurchased
from any authorized Wells
servicer or calling Wells.
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
5
AGENCY LISTING INFORMATION
INSTALLATION
NOTE: DO NOT discard
the carton or other packing
materials until you have
inspected the appliance for
hidden damage and tested it
for proper operation.
Refer to SHIPPING DAMAGE
CLAIM PROCEDURE on the
inside front cover of this
manual.
WARNING:
RISK OF INJURY
Installation procedures must
beperformedbyaqualied
technician with full knowledge
of all applicable electrical
codes. Failure can result in
personal injury and property
damage.
IMPORTANT:
Fire suppression system must
bechargedandcertiedbyan
authorized Ansul® distributor.
Ventilator will not operate and
cooking appliance will not be
energizeduntiltheAnsul®re
suppression system has been
charged.
IMPORTANT:
After cooking appliances
are positioned under the
hood, swivel nozzles must
be positioned per Ansul®
recommendations.
UNPACKING & INSPECTION
Carefully remove the appliance from the carton. Remove all
protectiveplasticlm,packingmaterialsandaccessoriesfromthe
appliance before connecting electrical power or otherwise performing
any installation procedure.
Carefully read all instructions in this manual and any other docments
packed with the appliance before starting any installation.
All documentation should remain with the equipment operator for future
reference.
Read and understand all labels and diagrams attached to the
ventilator.
Carefully account for all components and accessories before
discarding packing materials.
COMPONENTS
4 ft
Pre-Filter 2 ea.
Bafe Filter 2 ea.
Filter pack 1 ea.
Grease cup 1 ea.
Ansul® components - must be installed by an authorized Ansul®
distributor only:
4 ft
2 ea. Fire suppression agent tank
2 ea. Fire suppression agent (Ansulex® Low pH) 1.5 gal.
1 ea. Fire suppression system charging cartridge
Store these components in a convenient place for later use.
Theunitisshippedconguredforhorizontaldischargeoftheexhaust.
To convert to vertical discharge:
1. Remove top access cover.
2. Remove internal turning vane.
3. Insert top discharge scoop assy and fasten w/hardware from cover.
4. Remove front dischage vent panel and damper assy.
5. Assemble damper in Top discharge scoop assy.
6. Replace front discharge vent panel.
This appliance conforms to NSF Standard 2 for sanitation only if
installed in accordance with the supplied Installation Instructions
and operated and maintained in accordance with the instructions in this
manual.
UL CLASSIFIED for use in US and Canada
UL710B
Recurculating System
SANITATION
NSF/ANSI 2
6
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
INSTALLATION (continued)
UNDER-HOOD APPLIANCE LIMITATIONS:
WELLS MANUFACTURING
265 HOBSON STREET
SMITHVILLE, TN 37166, USA
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
7
INSTALLATION (continued)
UNDER-HOOD APPLIANCE LIMITATIONS:
Special instructions: Any Oven or Combi with a vertical exhaust will need a diverter or diffuser to redirect awa from thermal detectors.
8
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
INSTALLATION (continued)
SERVICE TECHNICIAN INSTALLATION NOTES
This ventilator hood is to be used with light-duty and medium-duty
electrically powered cooking appliances only.
• DONOTattempttousethisventilatorhoodwithgas-redunits.
• DO NOT use this ventilator hood with electrical appliances whose
dimensionsorwattagecharacteristicsexceedthosedenedinthe
Under Hood Cooking Appliance Limitations, pages above.
Installation and demonstration must be performed by an Authorized
Installation Company.
Ansul® Installer must complete the WARRANTY INITIATION form
(2M-303912) included with the unit for the warranty to begin, and record
installation particulars on the CUSTOMER SERVICE DATA form
located at the end of this manual.
IT IS THE RESPONSIBILITY OF THE INSTALLER TO verify that this
VENTILATORinstallationisincompliancewiththespecicationslisted
in this manual, with local code requirements, and in accordance with
N.F.P.A 96 the STANDARD FOR VENTILATON CONTROL AND FIRE
PROTECTION OF COMMERCIAL COOKING OPERATIONS.
NOTE: Certain codes require FRYERS to be restrained with a
TETHER or other RESTRAINT DEVICE. If this ventilator is to be used
with a fryer, it is the RESPONSIBILITY OF THE INSTALLER to check
with the AUTHORITY HAVING JURISDICTION, in order to ascertain
theapplicabilityofthisrequirementtothisspecicinstallation .
SETUP
Setuptheapplianceonlyonarm,level,non-combustiblesurface.
Verify local codes for requirements. Concrete, tile, terrazzo or metal
surfaces are recommended. Metal over combustible material may not
meet code for non-combustible surfaces.
Verify vertical clearances. Ceiling height shall be no less than 108”
inches when utilizing horizontal discharge option. Ceiling height shall
be no less than 120” inches when utilizing vertical discharge option.
VerifythattheunitsitsrmlyonALLLEGS.Withaspiritlevel,check
that the appliance is level front-to-back and side-to-side. With the
adjustable legs, adjust as required to level the appliance. In order to
preventtippingordeection,legsmustbeadjustedsuchthatalllegs
areinrmcontactwiththeoor.
DANGER:
SUFFOCATION HAZARD
Do not attempt to use this
ventilatorwithgas-redunits.
This ventilator will not remove
products of combustion.
Unvented exhaust gasses
can be deadly.
WARNING:
SHOCK HAZARD
All servicing requiring
access to non-insulated
electrical components must
be performed by a factory
authorized technician.
DO NOT open any access
panel which requires the use
of tools. Failure to follow this
warning can result in severe
electrical shock.
CAUTION:
RISK OF
DAMAGE
DO NOT connect or energize
this appliance until all
installation instructions are
read and followed. Property
damage or bodily injury could
result if these instructions are
not followed.
IMPORTANT:
If a remote pull station is to
be used, ventilator cannot be
movedwithoutrstdisabling
the remote pull station.
Contact your Ansul® agent
for details.
TOOLS REQUIRED
RATCHET
3/4” SOCKET
3/4” OPEN END WRENCH
7/16” DEEPWELL SOCKET
7/16” OPEN END WRENCH
CRESCENT WRENCH
2”X4”X(LENGTH OF HOOD OR
MORE) WOOD BRACE
PROCEDURE & PARTSPROCEDURE & PARTS
TOOLS REQUIRED
#2 PHILIPS SCREWDRIVER
FLAT HEAD SCREWDRIVER
FOOD GRADE NSF APPROVED
SILICONE
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
9
Installing the Wells Universal Ventless Hood systems to base mounted side walls, and
installing ceiling mounted side walls. Ceiling mounting instructions for Wells Universal
Ventless Hoods.
SUMMARYSUMMARY
Plan the installation area for the hood. The following diagram includes the required clearances for
the hood installation, this is regardless of the type of hood mount, stand or ceiling mount, and equipment
underneath that is to be used under the hood.
The ceiling height must be 108 in. (274.3 cm) for installation of a unit with front, horizontal discharge, or
120 in. (304.8 cm) for installation of a unit with vertical discharge on 6 [six] inch legs. This requirement
is for both base and ceiling mount installations.
Wall clearances specified per NFPA 96, clause 4.2 must be maintained between the hood and combustible,
limited-combustible, and noncombustible materials. For reference, these clearances are 18 in. (457mm) to
combustible material, 3 in. (76 mm) to limited-combustible material, and 0 in. (0mm) to noncombustible
material.
Allow 24” of access on the service side (left side) of the hood. Check your local juristictional codes for any
additional restrictions or requirements.
Allow 6” of clearance on the right side of the hood for installation of the remote pull station.
!CRITICAL!
If the installation is a ceiling mount, the ceiling structure must be able to support the weight of the hood.
The structural integrity of the ceiling, and the ceiling modifications that are required must be determined by
a structural engineer. This is the responsibility of the installation contractor.
Table: Hood weights.
Model(S) Weight (lb. / kg)
WVU-96 and GK-96 1366 lb. (531 kg.)
There are floor mounted bases available and these can be ordered as a separate kit.
The installation will require lifting equipment to raise the hood to the installed height, regardless of base or
ceiling mount.
10
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
INSTALLATION (continued)
Front
Bottom Stiffener
IL2387
Figure 1
Front
IL2388
Figure 2
Corner Bracket
6” Adj. Legs
IL2389
p/n: N1-Z14159
p/n: N1-Z14158
Figure 3
BASE ASSEMBLY
Prior to assembling the base, locate it as close to the
nialpositionaspossible.Thenfollowthesesteps.
1. Align the two rear panels (Fig 1) and secure with a
bolt, washer and nut (8 places).
2. Place the Base Bottom Stiffener (N1-Z15330) to the
bottom of the two rear panels and secure with bolt,
washer and nut (8 places).
3. Align the left and right side of the base to the rear
panel (Fig 2) and secure with bolt, washer and nut
(8 places each side).
4. Align the rear corner brackets in place (Fig 3) and
secure with bolt, washer and nut
(4 places each bracket).
5. Install the 6” adjustable legs and secure in place with
the bolt provided.
Hardware Provided
IL2977
Nut; 2C-6517
Washer; 2C-A27469
Bolt; 2C-Z5555
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
11
INSTALLATION (continued)
Base Deflectors
Figure 4
IL2390b
High Temp 350°F
RTV Sealant
Figure 5
6. Alignthetwobasedeectors(Fig4)inplaceand
securewithscrews(8perdeector)
7. Move the base into position, and using a level,
adjust the legs until level.
8. Remove the side panels of the hood assembly so
when lowered onto the base assembly it will be
easier to secure in place.
9. Apply a bead of RTV Sealant with a temperature
rating of 375°F on the base (between the base
and hood, once hood is lowered) as shown in
(Fig 5). Follow the warning that come with the
sealant. DO NOT allowalmtoformonthe
bead before lowering the hood down on the
base.Ifalmforms,removethebeadandre-
apply a new bead.
IMPORTANT: BEFORE APPLYING RTV
SEALANT, CLEAN ALL RECIEVING
SURFACES OF ANY DIRT, GREASE OR
FORGIEN MATERIAL.
10. Using the upper supporting brackets on the hood,
lower the hood on top of the base (Fig 5) so the
mounting holes line up. Secure with bolt, washer
and nut (7 places each side).
11. Contact your electrical & Ansul® contractors
to provide service to the system. Refer to
the ELECTRICAL INSTALLATION &
FIRE
SUPPRESSION SYSTEM INSTALLATION
sections in this manual.
12. Once complete the side panels can be installed
using hardware provided.
12
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
ELECTRICAL INSTALLATION
Refer to the nameplate on the ventilator. Verify ELECTRICAL
SERVICE POWER. Voltage and phase must match the nameplate
specications,andavailableelectricalserviceamperagemustmeetor
exceedthelistedamperage.Refertospecicationslistedonpage1of
this manual.
The ground lug of this ventilator must be connected to a suitable
building ground.
Remove the left side panel to access the cooking appliance contactor
and building alarm relay. Remove the appropriate knockout, then wire
the cooking appliance control circuit to the terminal block per Fig below.
NOTE: It is the responsibility of the electrical contractor to provide
suitablewiring,exibleorrigidconduit,andanappropriatestrainrelief.
Electrical Connection
NOTE: The hood requires a single phase (1ph), 208 or 240 volt, 20
amp supply at 60 Hz. When connecting line voltage to the unit’s
terminal block, use a minimum of #12 gage copper wire only, suitable
for 167°F (76°C) ambient temperature.
Appliance Connections
All under hood appliances are required to be interlocked with the hood’s
equipment cut-off circuit, through a customer supplied contactor. Shunt trip
breakersarenotauthorized.ThiscontactormustbeaULlisted,denite
purpose AC resistive air heating type, suitable for the appliance load.
Installation and connections shall be in accordance with the National Electric
Code NFPA 70. These connections provide an automatic shutdown of the
appliance when the hood is OFF, or in the event of a malfunction or appliance
re.
Equipment Cutoff Connections
Opt 1: Use TB#3 & TB#4 for 208 or 240 volt control circuit. These contacts will be
de-energized when the hood is OFF or in the event of a malfunction
Opt 2: Use TB#5 & TB#6 as a Normally Closed SPST relay connection for equipment
control circuits with voltages other than 208 or 240 AC. These contacts will be
open when hood is OFF or in the event of a malfunction.
INSTALLATION
DANGER:
SUFFOCATION HAZARD
Do not attempt to use this
ventilatorwithgas-redunits.
This ventilator will not remove
products of combustion.
Unvented exhaust gasses
can be deadly.
WARNING
SHOCK HAZARD
Electrical connections must
be made by a licensed
electrician.
CAUTION:
FIRE HAZARD
HEALTH HAZARD
All cooking appliance must
be connected to the cooking
appliance contactor, the
control circuit of which is
controlled by the ventilator.
Note: Shunt trip breakers
are not an authorized control
circuit.
TB1
TB6
TB7
TB8
TB2
TB3
TB4
TB5
LINE INPUT
208-240VAC
60HZ
BUILDING
ALARM
INTERFACE
TO CUSTOMER
SUPPLIED
SWITCHING
DEVICE (SPST)
OPTION 2
TO CUSTOMER
SUPPLIED APPLIANCE
CONTACTOR
(240V CNTR CIRCUIT)
OPTION 1
L1 L2
IL2376a
TB3
TB4
208/240V
APPLIANCE
CONTROL
EQUIPMENT
CUTOFF
TERMINALS
CUSTOMER
SUPPLIED
CONTACTOR(S)
TO APPLIANCE
OVER CURRENT
PROTECTED
SUPPLY
EQUIPMENT INTERFACE OPTION 1
SPST
SWITCHED
EQUIPMENT
CUTOFF
TERMINALS
TB5
TB6
CUSTOMER
SUPPLIED
CONTACTOR(S)
CUSTOMER
SUPPLIED
SOURCE CIRCUIT
TO APPLIANCE
OVER CURRENT
PROTECTED
SUPPLY
L3
T3
EQUIPMENT INTERFACE OPTION 2
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
13
DANGER:
SHOCK HAZARD
Turn power off to the unit
before removing the side
electrical box cover.
CAUTION:
SHOCK HAZARD
The ground lug of this
appliance must be connected
to a suitable building ground.
IMPORTANT:
Contact a licensed electrician
to install and connect electrical
power to the appliance.
IMPORTANT:
Damage due to being
connected to the wrong
voltage or phase is NOT
covered by warranty.
CAUTION:
FIRE HAZARD
HEALTH HAZARD
Failure to control cooking
appliances will provide no
protection in the event of a
re,norwillcookingvapors
and odors be contained in
the event of ventilator hood
malfunction.
INSTALLATION continued
SUPPLY POWER INSTALLATION
IL2392
FIRE
ALARM
SYSTEM
SUPPLY
POWER
TO HOOD
APPLIANCE(S)
POWER
SUPPLY
HOOD
INTERFACE
CONTACTOR(S)
POWER
TO
APPLIANCE(S)
Shunt trip
breakers are
not authorized
14
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
INSTALLATION continued
DANGER
FIRE HAZARD
Fire suppression system
mustbechargedandcertied
by an authorized Ansul®
distributor.
DO NOT attempt to modify or
bypasstheresuppression
system.
Anuncontrolledrecan
cause serious injury or death.
NOTE:
Ansul Deployments are not
covered under warranty.
Technical service needs to
be contacted immediately
and a deployment kit of parts
needs to be replaced before
unit is put back in service. If
theresuppressionsystem
is discharged, a buzzer will
sound continuously. The
unit will remain inoperable
untiltheresuppression
system is serviced, recharged
and reset by an authorized
Ansul® distributor.
Charging of the Ansul®
Fire Suppression system
must be in accordance with
Ansul® Design, Installation,
Recharge and Maintenance
Manual, #418087.
NOTE:
If a REMOTE MANUAL PULL
STATION is installed, moving
the ventilator for any reason
may cause the Ansul®
system to discharge.
IMPORTANT:
Shouldtheresuppression
system discharge: all
nozzles must be replaced,
and all lines thoroughly
cleaned, prior to recharging
thesystem.Residualre
suppression media may
compromisetheowand
dispersionofresuppression
media in any subsequent
activation.
ThealarmrelayisactivatedbytheAnsul®redetectionsystem.Ifthe
installation includes a building alarm system, connect to terminals T7 &
T8 of the terminal block in supply connection box. These terminals are
conguredfromthefactoryfornormallyopenoperation.
The ventilator will operate properly, and the appliance control relay will
be energized, only when:
1. The VENTILATOR POWER SWITCH is “ON”.
2. The Ansul® Fire Suppression System is charged and armed.
3. Allltersareinpositionandserviceable,andtheventilatorairow
systemissatised.
FIRE SUPPRESSION SYSTEM INSTALLATION
EACH 4’ FOOT SECTION OF THE FIRE SUPPRESSION SYSTEM
iscomprisedoftwocontainersofAnsulex®LowpHliquidre
suppression media and a system pressurization canister, plus
associated plumbing. Actuation controls are contained in the Automan
enclosure.
ThehoodissuppliedwithaeldinstalledMANUALPULLSTATION,
which must be set-up at the time of installation by an authorized Ansul®
distributor.
The MANUAL PULL STATION allows for for manual emergency
shutdownofcookingappliancepower,andactuationofthere
suppression system.
Twelve (WVU96)NOZZLESdispersetheresuppressionmedia.Two
inner nozzles protect the fan and plenum.
The appliance nozzles are swivel mounted, and must be directed
toward the cooking surface of the installed cooking appliance.
If the ventilator is situated such that the supplied manual pull
station cannot be installed or is not readily accessible, a REMOTE
MANUAL PULL STATION may be required by local codes. Any
such remote manual pull station must be installed by an authorized
Ansul® distributor in accordance with the AUTHORITY HAVING
JURISDICTION.
Theredetectionsystemutilizestwelve(WVU96) electronic thermal
detectors with an actuation set point of 225°F (107°C) in the upper
hood locations and 275°F (135°C) detectors in the lower wall locations.
The signaling from any of these detection devices will automatically
dischargetheresuppressionmediathroughallnozzles,disablethe
cooking appliances and cause the alarm to sound.
Fire suppression media will form an emulsion designed to both smother
and cool the fuels in/on the cooking appliance.
Ansul® Deployments are not covered under warranty. Technical service
needs to be contacted immediately and a deployment kit of parts needs
to be replaced before unit is put back in service. Any Ansul® media
must be throughly cleaned from every area of the unit before it can be
put back into service.
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
15
INSTALLATION
DANGER
BURN HAZARD
Any additional remote pull
station must NOT be installed
on the front of the cooking
appliances,
Dischargeofthere
extinguishing system into hot
grease or oil may cause hot
foam to spill over from the
cooking surface or frypot.
Serious burns and other injuries
can result from contact with hot
oil and from slipping in spilled
oil.
The manual pull station is
installed on the right side (facing
the unit. It may, however, be
relocated to the left side of the
ventilator hood by an authorized
Ansul® agent.
FIRE SUPPRESSION SYSTEM INSTALLATION (continued)
The MANUAL PULL STATION and any similar REMOTE MANUAL
PULLSTATIONwillactivatetheresuppressionsystemwhenthe
ring on the pull station is pulled to its full extent.
16
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
INSTALLATION
NOTE:
The BAFFLE FILTERS,
PRE-FILTERS and FILTER
PACK actuate position
switches when they are
properly positioned. They
must be properly installed
for the under hood cooking
appliance contactor to be
energized.
WARNING
SLIP AND FALL
HAZARD
DO NOT operate any
grease-producing cooking
appliance
(e.g. fryer or griddle) unless
the grease cup is properly
installed.Oilwilldripontooor
creating a slipping hazard.
CAUTION
BURN HAZARD
DO NOT operate any
cooking appliance unless the
grease cup is installed.
Moisture dripping onto hot
surfaces, oil or grease can
cause splattering.
FILTER INSTALLATION
Noteairowdirectionarrowonlterpack.Removeoldlterpack
andslidenewlterpackfullyintotheappropriateslot.Verifythat
theairowarrowpointstowardthefan.
Bafeltersarereusableandshouldbecleanedatleastweekly.
Changepre-ltersandsmoke/odorlterpackasindicatedonthefront
panel.Theseltersaredisposableandcannotbereused.Thesmoke
/odorlterpackisaccessedthruthefrontservicedoor.
Pre-ltersarelocatedbehindthebafelters,wheninstallingpre-lters
engagetopretainingangepriortoseatingpre-lterhousinginlower
chamber.
UseonlygenuineWellsreplacementpartsandlters,
call (800) 264-7827 your authorized Wells service agent or our
authorized parts supplier Partstown. Parts supplied by others will void
your warranty and may not provide safe operation.
BAFFLE FILTER and GREASE CUP INSTALLATION
1. Installbafelterfromfront.Engagethebafelterintheretainer
slot.Pushupuntilthebafelterbottomclearsthelowerlipofthe
retainer,thenlowerthebafelterintothebottomretainer
2. InstallGREASECUPintobracketsbelowthebafelter.
Note: Failure to install the GREASE CUP will allow grease and
moisture from the BAFFLE FILTER to drop into hot cooking surfaces,
creating both a SAFETY HAZARD (hot oil splatter) and a HEALTH
HAZARD (contamination of the cooking surface or cooking oil).
SIDE VIEW
FILTER PACK
PART NO. WL0171
AIRFLOW
AIRFLOW
IL2377b
25.9 Min
Clearance
PREFILTER HOUSING MUST
HOOK IN FLANGE AT TOP.
CHECK TO MAKE SURE YOU
CANNOT PUSH IT BACK
AFTER INSTALLATION
BAFFLE FILTER
PART NO. 2I-Z14670
PREFILTER
PART NO. 2I-302579
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
17
Control Panel
NOTE: Cooking appliances must be operated in accordance with the
manufacturer’s instructions.
During normal operation, the illuminated power switch will be the only
light on the control panel that will be ON.
If the CHECK FILTERS light illuminates, check BAFFLE FILTERS,
PREFILTERS, and the HEPA AIR FILTERS for proper installation.
IftheREPLACEPRE-FILTERSlightilluminates..ReplacethePre-lters.
If the REPLACE FILTER light illuminates, replace the FILTER PACK.
NOTE:theREPLACEFILTERSlightisawarningthatlterpackis
nearing the end of its service life. The ventilator will continue to operate
for a period of time after the REPLACE FILTER LIGHT turns ON to allow
continuedoperationthroughapeakperiod.However,lterpackmustbe
replaced within a short time period or it will clog, disabling the ventilator
and appliances.
IftheSERVICEREQUIREDlightilluminates,thelterpackisrestricted
tothepointofinsufcientairowforproperoperationandtheVentilator
willshutdownuntiltheunderlyingcloggedltersituationhasbeen
corrected.Replacecloggeditemwithafreshltertocorrectthe
condition. Reset the unit by turning VENTILATOR POWER SWITCH to
OFF, then back to ON.
Iftheaircurtainservicerequiredlightsilluminate,thereisinsufcient
airowforproperoperation.CallanauthorizedWellsServiceAgent.
A failure of incoming electric power will cause a shut down of the unit.
Reset the unit by turning VENTILATOR POWER SWITCH to OFF, then
back to ON.
Operation Lights
There are three (WVU48) that provide illumination of the working area.
These lights are controlled by the main power switch.
CAUTION:
HOT SURFACE
Exposed surfaces can be hot
to the touch and may cause
burns.
CAUTION:
SHOCK HAZARD
DO NOT splash or pour water
or grease onto control panel
or wiring.
IMPORTANT:
The ventilator cannot operate
ifthelterpackisremovedor
clogged.
It is the responsibility of
the store management to
maintainsufcientspares
oflterpackstoavoid
prolonged shutdown of the
ventilatorwhenthislteris
expended.
Filter packs cannot be
cleaned.
Wells Manufacturing assumes
no liability for loss of business
duetolterrelatedshutdown.
Filters that are not genuine
Wells Replacement Parts
may cause your unit to
operate incorrectly and you
will risk the possibility of
voiding your warranty.
OPERATION
IL2374
ON
CHECK
FILTERS
REPLACE
PREFILTERS
REPLACE
FILTER PACK
AIR CURTAIN
SERVICE REQUIRED
SERVICE
REQUIRED
POWER
OFF
18
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
CLEANING INSTRUCTIONS
PRECAUTIONS: Disconnect unit from electric power and allow to cool
Cover frypot to prevent oil contamination
FREQUENCY: Daily
TOOLS: Mild detergent, clean non-abrasive towels, 3M Scotch
brite for griddles
NOTE: Ventilator section to be cleaned in conjunction with cooking
appliance. Refer to appliance user instructions for cleaning procedure.
1. TURN HOOD POWER SWITCH TO OFF.
Cover cooking appliance to prevent oil contamination.
2. Remove BAFFLE FILTERS and GREASE CUP(s).
3. Empty GREASE CUP(s) into an appropriate grease collection receptacle.
4. Clean BAFFLE FILTERS and GREASE CUP(s) in a sink or dishwasher
using mild detergent and warm water.
5. Dry components with a clean non-abrasive cloth. Reinstall BAFFLE
FILTERS and GREASE CUP(s) in ventilator.
6. Wipe exterior of ventilator with a clean cloth moistened with warm water
and mild detergent. Rinse by wiping with a clean cloth moistened with
warm water.
7. Uncover the cooking appliance and reconnect unit to electric power.
Procedure is complete
CAUTION:
HOT SURFACE
Exposed surfaces can be hot
to the touch and may cause
burns. Allow unit to cool
before cleaning.
CAUTION:
SHOCK HAZARD
DO NOT splash or pour water
or grease onto control panel
or wiring.
DANGER
FIRE HAZARD
DO NOT clean heated
surfaces with water, or
Ansul® system may activate
due to sudden rise in
temperature change, causing
theresuppressionsystemto
deploy.
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
19
CLEANING INSTRUCTIONS
PRECAUTIONS: Disconnect unit from electric power and allow to cool
Cover cooking surfaces and frypots to prevent
contamination.
FREQUENCY: Monthly
TOOLS: Mild detergent, clean non-abrasive towels, 3M Scotch
brite for griddles
NOTE: Ventilator section to be cleaned in conjunction with cooking
appliance. Refer to appliance user instructions for cleaning procedure.
1. TURN HOOD POWER SWITCH TO OFF.
Cover cooking applaince to prevent oil contamination.
2. Remove BAFFLE FILTERS, GREASE CUP(s), and all FILTER PACK(s).
3. Wipe interior of ventilator with a clean cloth moistened with warm water and
mild detergent. Rinse by wiping with a clean cloth moistened with
warm water. DO NOT clean by spraying.
4. Dry ventilator thoroughly with a clean non-abrasive cloth.
Reinstall all FILTERS, BAFFLE FILTERS, GREASE CUP(s).
5. Uncover the cooking appliance and reconnect unit to electric power.
Procedure is complete
CAUTION:
HOT SURFACE
Exposed surfaces can be hot
to the touch and may cause
burns. Allow unit to cool
before cleaning.
CAUTION:
SHOCK HAZARD
DO NOT splash or pour water
or grease onto control panel
or wiring.
DANGER
FIRE HAZARD
DO NOT clean heated
surfaces with water, or
Ansul® system may activate
due to sudden rise in
temperature change, causing
theresuppressionsystemto
deploy.
IMPORTANT:
DO NOT wash FILTER
PACK.Washingtheselters
will clog them, and cause
installed cooking appliance
to be disabled.
IMPORTANT:
DO NOT clean interior of
ventilator by spraying.
Spraying can contaminate the
cooking appliance, and may
cause internal damage to the
ventilator blower, operation
proongsystemand/orre
suppression system.
Clean by wiping only.
20
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
MAINTENANCE: DISCHARGE DIRECTION CHANGE
Procedure for changing the discharge on a WVU-48 / 96
Horizontal to Vertical:
1. Remove the Front Access Door (Item 4) by turning
the slotted screws ¼ turn and lift out the panel.
2. Remove the Front Discharge Vent Panel (Item 7) by
removing the mounting screws.
3. Remove the damper (Item 3).
4. Re-install the Front Access Door and Front
Discharge Vent Panel.
5. Remove the Top Discharge Block-Off plate (item 9)
by removing the four mounting nuts.
6. Remove the Discharge Curve (Item 8) by removing
the two 8-32 screws (Item 1) securing the curve and
slide the curve out of the bracket.
7. Install the Vertical discharge assembly (Item 6) and
secure with four ¼-20 nuts.
8. Install the damper (Item 3) into the top of the Vertical
discharge assembly (Item 6).
Vertical to Horizontal:
1. Remove the damper (Item 3) from the vertical
discharge housing (Item 6).
2. Remove the four nuts that secure the Vertical
discharge housing (Item 6) to the top panel of the
hood.
3. Remove the vertical discharge housing.
4. Insert the discharge curve (Item 8) into the duct as
shown. Slide one end of the curve into the bracket
located on the rear wall of the duct and secure the
front end of the curve with two 8-32 x 5/16 screws
(Item 1).
5. Install the block-off plate (Item 9) and secure with
four ½-20 nuts.
6. Remove the Front discharge vent panel (Item 7) and
access door (Item 4).
7. Install the damper (Item 3) into the front ductwork
assembly (Item 5).
a. Note the required orientation of the damper as noted
on the damper.
8. Re-install the front discharge vent panel and access
door.
PARTS LIST
Fig
No
Part No Description Qty
1 2C-35487 SCREW 8-32 X 5/16 PH TR HD AR
2 2C-6517 1/4-20 FLANGED HEX SHAKEPROOF LOCK NUT AR
3 2V-307913 DAMPER FIRE 8X9 1
4 N1-WL0167 ACCESS DOOR ASSY. ELEC COMPARTMENT 1
5 N1-WL0172 FRONT DUCTWORK ASSEMBLY 1
6 N1-WL0244 TOP DISCHARGE SCOOP ASSEMBLY 1
7 N1-Z14097 FRONT DISCHARGE VENT PANEL 1
8 N1-Z14100 DISCHARGE CURVE 1
9 N1-Z14139 BLOCK-OFF PLATE, TOP DISCHARGE 1
1
8
9
2
5
3
6
3
7
1
4
IL3025
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
21
REQUIRED MAINTENANCE
USE AND MAINTENANCE SHALL BE IN ACCORDANCE WITH THE
STANDARD FOR VENTILATION CONTROL AND FIRE PROTECTION
OF COMMERIAL COOKING OPERATIONS, N.F.P.A. 96 (current
edition).
3-MONTH MAINTENANCE:
Thoroughly clean entire HOOD PLENUM and BLOWER section.
6-MONTH MAINTENANCE:
Inspection and testing of total operation including FIRE DAMPER and
allSAFETYINTERLOCKSshallbeperformedbyqualiedservice
personnel.
All FIRE SUPPRESION SYSTEM actuation components including
MANUAL PULL STATION and any REMOTE MANUAL PULL STATION
must be inspected for proper operation in accordance with the
maintenance schedule published in
ANSUL® R-102 SYSTEM DESIGN,
INSTALLATION, RECHARGE AND MAINTENANCE MANUAL (418087).
ANNUAL (12-MONTH) MAINTENANCE:
NOZZLES and MANUAL PULL STATION must be cleaned in
accordance with
ANSUL® R-102 SYSYTEM DESIGN, INSTALLATION,
RECHARGE AND MAINTENANCE MANUAL (418087).
12-YEAR MAINTENANCE:
The FIRE SUPRESSION AGENT TANK must be HYDROSTATICALLY
TESTED, and the FIRE EXTINGUISHING AGENT must be REPLACED
in accordance with the maintenance schedule published in ANSUL®
R-102 SYSTEM (STANDARD UL 300 LISTED). This maintenance to be
performedbyqualiedAnsul®servicepersonnelonly.
IMPORTANT:
Per NFPS 96, a signed and
dated VENTILATOR HOOD
MAINTENANCE LOG
must be maintained on the
premises, and be made
available for inspection by the
authority having jurisdiction
upon request.
IMPORTANT:
Shouldtheresuppression
system discharge, contact
the technical service team:
(800)-264-7827 All lines
and nozzles must be
thoroughly cleaned prior
to recharging the system.
Ansul Deployments are not
covered under warranty.
technical service needs to be
contacted immediately and a
deployment kit of parts needs
to be replaced before unit
is put back in service. WS-
WL0964 Deplymnt kit, WVU/
GK -48
Be sure to note such cleaning
on the hood maintenance log.
Residualresuppression
media may compromise the
owanddispersionofre
suppression media in any
subsequent activation.
WELLS BLOOMFIELD, LLC
IL2144
Inspection shall be conducted on a monthly basis in accordance with
the manufacturer’s Operation Manual. At a minimum, this inspection
shall include verification of the following:
OPERATION AGENT DATE
Extinguishing system components:
In proper place and (visually in
good order
Manual pull station actuators for fire
suppression system are obstructed
The maintenance log is in place
and up to date
The nozzle blow-off caps are in place
and in good condition
The hood, duct and protection cooking
appliance have not been replaced,
modified or relocated
Clean plenum GREASE BAFFLE and
BLOWER (max. interval: 3 months)
Change PRE-FILTER and FILTER PACK
(as required)
No obvious physical damage or condition
exists that might prevent operation of the
fire suppression system
VENTILATOR HOOD OWNERS MONTHLY INSPECTION LOG
38
M522 p/n 2M-Z16247 OpM WVU- Universal Hood
WELLS BLOOMFIELD, LLC
Replace fire damper fusible link:
rated @ 212ºF
Max interval: 12 months
IL2378a
This MAINTENANCE LOG is to be performed and completed by a trained technician who has
completed the instruction necessary to perform the maintenance and recharge service.
OPERATION AGENT / DATE
VENTILATOR HOOD MAINTENANCE LOG
Clean and inspect discharge nozzle in plenum BEFORE filters
MAX. interval: 6 months
Inspect fire suppression detectors, all releasing devices for
actuation, fire suppressant tank liquid level
Max interval: 6 months
(discharge of fire suppressant not a part of this test)
Inspect fire suppression hoses, plumbing and tank for
obstructions and any condition such as, but not limited to,
corrosion and pitting.
Max interval: 6 months
Clean and inspect discharge nozzle in plenum AFTER filters
MAX. interval: 6 months
Inspect and test all filter interlocks
Max. interval: 6 months
Log TEMP
Log mfg DATE
Stamp
THIS MAINTENANCE LOG MUST BE KEPT IN A PROTECTIVE COVER PERMANENTLY ATTACHED TO THE APPLIANCE
Log all repairs and recommendations on reverse side. Any repairs, other than replacement of factory authorized parts, to the fire suppression plumbing system must be
subject to hydrostatic pressure testing.
M522 p/n 2M-Z16247 OpM WVU- Universal Hood
39
40
M522 p/n 2M-Z16247 OpM WVU- Universal Hood
29
ANSUL
®
ANSUL INCORPORATED
MARINETTE, WI 54143-2542
MATERIAL SAFETY DATA SHEET
ANSULEX Low pH
QUICK IDENTIFIER (In Plant Common Name)
Manufacturer’s
Name:
Emergency
Telephone No.:
ANSUL INCORPORATED
CHEMTREC
(800) 424-9300 or (703) 527-3887
Prepared By:
Address:
One Stanton Street, Marinette, WI 54143-2542
Safety and Health Department
Other Information
Calls:
(715) 735-7411
Date Prepared:
February 1, 1999
SECTION 1 - IDENTITY
SECTION 2 - INGREDIENTS
SECTION 3 - PHYSICAL AND CHEMICAL CHARACTERISTICS (Fire and Explosion Data)
SECTION 4 - PHYSICAL HAZARDS
Common Name (Used on Label):
(Trade Name and Synonyms)
ANSULEX Low pH Liquid Fire Suppressant
CAS No.:
N/A
N/A N/A N/A N/A
N/A
N/A
N/A
N/A
N/A N/A
N/E
N/E
N/E
N/E
N/E
NDA
NDA
NDA
NDA
N/A
Chemical
Name:
N/A This is a M ixture
Chemical
Fam ily:
M ixture
Formula:
PART A - HAZARDOUS INGREDIENTS
PART B - OTHER INGREDIENTS
Principal Hazardous Component(s) (chemical and common name(s)):
Other Component(s) (chemical and common name(s)):
W t.%
W t.%
CAS No.
CAS No.
ACGIH TLV
ACGIH TLV
Acute Toxicity Data
Acute Toxicity Data
None
Proprietary Mixture of Organic and Inorganic Salts
48.0 - 50.0
Phosphoric Acid 0.2
7664-38-2
Yellow-Green Fluorescent Dye 0.011
518-47-8
Oral LD (rat)
50
6800 mg/kg
ED TA
0.65
64--02-8
Water
Approx. 50.0
7732-18-5
Boiling
Point:
Percent Volatile
by Volume (%):
Solubility
in Water:
Appearance
and Odor:
Flash Point:
Special Fire
Fighting Procedures:
Unusual Fire and
Explosion Hazards:
113ºC
Approx. 50.0
100%
Fluorescent Yellow Colored Liquid, Mild Odor
None to boiling
NONE - THIS IS AN EXTINGUISHING AGENT
None
Vapor Density:
(Air = 1):
Flammable Limits
in Air % by Volume:
1.03
Specific
Gravity (H O=1):
2
Vapor Pressure
(mm H g):
1.33
Not Determined
Evaporation Rate:
(Butyl Acetate=1):
Approx. 0.005
Reactivity in
Water:
Mild exothermic reaction
Extinguisher
Media:
Auto-Ignition
Temperature:
Stability:
Incompatibility
(Materials to Avoid):
Hazardous
Decomposition Products:
Hazardous
Polymerization:
Unstable
Stable
Conditions
to Avoid:
Conditions
to Avoid:
Reactive Metals, ClF , electrically energized equipment, any material reactive with water.
3
Not established, acrid fumes.
May Occur
W ill N o t O ccur
M522 p/n 2M-Z16247 OpM WVU- Universal Hood
41
30
SECTION 5 - HEALTH HAZARDS
SECTION 6 - EMERGENCY AND FIRST AID PROCEDURES
SECTION 7 - SPECIAL PROTECTION INFORMATION
SECTION 8 - SPECIAL PRECAUTIONS AND SPILL/LEAK PROCEDURES
HAZARDOUS MATERIAL IDENTIFICATION SYSTEM
ANSULEX Low pH (continued)
Threshold
Limit Value:
None Established
Routes of Entry:
Eye Contact:
Irritant
Irritant
Skin Contact:
Skin Contact:
Inhalation:
Inhalation:
Not an expected route of entry. Can be irritating to mucous membranes.
Irritating to mucous membranes. Acute Oral LD (Sprague-Dawley rats) 825.5mg/kg.
50
Ingestion:
Ingestion:
Signs and
Symptoms:
Acute Exposure: Material irritates skin, eyes, and mucous membranes.
Chronic Exposure: None known.
Medical Conditions Generally
Aggravated by Exposure:
None known.
Chemical Listed as
Carcinogen or Potential:
Yes
No
Yes
No
Yes
No
National Toxicology
Program:
I.A.R.C
Monographs:
OSHA
Eye Contact:
Flush and irrigate with water for 15 minutes while holding eyelids open.
If irritation persists, seek medical attention.
Wash thoroughly with soap and water. If irritation persists, seek medical attention.
Fresh air if symptoms occur. If irritation persists, seek medical attention.
Dilute by drinking large quantities of water.
Respiratory Protection
(Specify Type):
N/A
N/A N/A
Ventilation:
Local
Exhaust:
Mechanical
(General):
Protective
Gloves:
Rubber gloves for spill/leak
Eye
Protection:
Chemical goggles recommended during
spill/leak procedures.
Other Protective
Clothing or Equipment:
Eye wash and safety showers are good safety practice.
Precautions to be taken
in Handling and Storage:
Other
Precautions:
Steps to be taken in Case
Material is Released or Spilled:
Waste Disposal
Methods:
Store in original container. Keep tightly closed. Keep separate from acid.
See incompatibility information in Section 4.
Stop leaks. Contain spills. Remove as much as possible. Place in closed container for proper disposal
Wash spill area with large amounts of water to remove traces and neutralize.
Dispose of in compliance with local, state and federal regulations.
HAZARD INDEX
4 SEVERE HAZARD 0 HEALTH
3 SERIOUS HAZARD
2 MODERATE HAZARD 0 FLAMMABILITY
1 SLIGHT HAZARD
0 MINIMAL HAZARD 0 REACTIVITY
N/A = Not Applicable NDA = No Data Available N/E = Not Established
ANSUL and ANSULEX are registered trademarks.
Internet Address: http://www.ansul.com
ANSUL INCORPORATED, ONE STANTON STREET, MARINETTE, WI 54143-2542 Form No. F-90160-6 ©1999 Ansul Incorporated
503 p/n 2M-304989 Owners Manual WVF-886 Ventless Fryer
26
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
TROUBLESHOOTING SUGGESTIONS
NOTE:
FILTERS are the only user serviceable components in this ventilator hood system. For all problems that cannot be remedied by
servicingthelters,contact:
Ventilator section - authorized Wells service agency
Fire suppression system - authorized Ansul® distributor
Ansul Deployments are not covered under warranty. Technical service needs to be contacted immediately and a deployment kit of
parts needs to be replaced before unit is put back in service. WS-WL0964 DEPLYMNT KIT, WVU-48
IMPORTANT:
ContactANSUL®forresuppressionsysteminstallation,set-upandservice:
Ansul Incorporated 1-800-TO-ANSUL (1-800-862-6785)
One Station Street
Marinette, WI 54143-2542 website http;//www.ansul.com
IMPORTANT:
PartsusedintheAnsul®resuppressionsystemarenotserviceablebytheowner/operator.
Proceduresforservicingresuppressionequipmentaredescribedin:
ANSUL® R-102 SYSTEM DESIGN, INSTALLATION, RECHARGE AND MAINTENANCE MANUAL
(418087, current edition)
NOTE:
ANSUL® Manual 418087 is intended for use by authorized Ansul® service personnel only.
Problem Possible Cause Suggested Remedy
Unit will not operate (no
indicators lights lit)
Disconnected from electric power
Reconnect to electric power
Reset circuit breaker for unit
Unit will not operate
(buzzer sounds)
Fire suppression system not set
Contact an authorized Ansul®
distributor for repairs
CHECK FILTER light lit Filter pack, Pre-lter or bafe lter not in position Properly install lters
REPLACE FILTER light lit
Filter nearing end of service life Arrange to replace lters in a timely manner
Filter pack plugged Replace lter pack
Fire damper in exhaust collar has closed
Contact an authorized Wells service
agent for repairs
SERVICE REQUIRED
light lit (cooking appliance
not operating)
One or more vacuum sensing lines or ports
plugged, or sensing line dislodged.
Contact an authorized Wells service
agent for repairs
NOTE: If, after 20 seconds, there is insufcient airow for proper operation, SERVICE REQUIRED
light will illuminate and under-hood appliance (s) will be de-energized.
Press VENTILATOR POWER SWITCH to OFF, then back to ON to reset system.
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
27
WIRING DIAGRAM
28
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
EXPLODED VIEW & PARTS LIST
Filter Maintenance
Model: WVU96 Filter Assy
SK2576 Rev. C, 10/20/2015
Pre-Filter Hood
Part No: 2I-302579
Pre-Filter Cage
Part No: M3-WL0230
Baffle Filter: 16” x 20”
Part No: 2I-Z14670
Filter HEPA/Carbon Pack
Part No: N1-WL0171
1 2
3 4
1
4
2
3
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
29
EXPLODED VIEW
Universal Hood Internal Control
Model: WVU48 Universal Hood Internal Control
SK2554 Rev. A 2/13/2015
8
9
5
4
10
14
7
4
6
Nameplate
18
19
17
16
See Detail
B
11
12
13
2
3
1
See Detail A
15
30
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
PARTS LIST
Universal Hood Internal Control
Internal Control Assy
Fig No. Part No WVU96 Description
1 2V-307913 2 DAMPER FIRE 8X9 WVU
2 N1-WL0244 2 TOP DISCHARGE SCOOP ASSY.
3 N1-Z14139 2 BLOCK-OFF PLATE, TOP DISCHARGE
4 2E-300407 12 SWITCH MANUAL ADVANCE ROT
5 2K-Y8571 7 BUSHING SNAP 2 1/8
6 2K-Y1139 2 BUSHING HEYCO SB500-6
7 N1-Z14484 2 MOUNTING BRACKET, DOOR
8 2U-200577 4 MOTOR, FAN 240V, HI-OUTPU
9 2C-45201 8 SCREW 8-32X2 PH PAN HD MS
10 N1-WL0172 2 DUCTWORK ASSEMBLY
11 N1-Z14097 2 FRONT DISCHARGE VENTPANEL
12 2R-Z14532 4 CAM LATCH, SLOTTED
13 N1-Z14087 2 ACCESS DOOR, ELECT
14 N1-WL0171 2 FILTER HEPA/CARBON PACK
15 N1-WL0170 2 DOOR ASSY,FRONT ANSUL
16 2R-Z14429 2 HANDLE, 5”
17 2C-1810 4 WASHER 3/16 BURR STL NP
18 Included with #15
19 2D-Z14672 2 GREASE CUP
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
31
EXPLODED VIEW & PARTS LIST
Universal Hood Internal Control (Detail A)
2
3
1
4
5
6
7
8
9
11 10 8
Detail A
Blower & Motor Assy
Part No WVU48 WVU96
DETAIL A, Blower & Motor Assy
Description
11 2B LOWER ASSEMBLY
21 2
31 2
41 2
51 2
61 2
71
RUN CAPACITOR, 10MFD, 370V
2
84 8
91
SCREW 8X12 RPH PAN SELF DRILLING
2 ASSEMBLY
10 12
11 12
*
32
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
EXPLODED VIEW & PARTS LIST
Universal Hood Internal Control (Detail b)
Fig NoP art Number WVU48
DETAIL B, Internal Control Panel Assy
WVU96D escription
1N 1-Z15362 12
22 E-Z14673
BRACKET, PRESSURE SWITCH
12 PRESSURE SWITCH
32 P-Z17415 1
4
TIMER,CUBE/ RELAY
N1-Z14886 12
5N 1-Z15531
BRACKET,PRESSURE SWITCH
12
62 E-Z15352 12
BRACKET,HEPA PRESS.SWITCH
7
2E-Z15365 12
VACUUM SWITCH,HEPA FILTER
PRESSURE SWITCH
82 E-302591 12
9
SWITCH VACUUM #2
N1-Z22130 12
10
MOUNTING TRAY, INTERNAL CONTROLS
2K-Y5093 24 BUSHING-SNAP #SB-1000-12
11 2C-08-07-0042 2
12 2C-Z7165
SCREW 8-32X5/8 RHP STL NP
15 30
13
NUT 8-32 HEX SS W/EXT WSH
2C-Z18059
12
14
CABLE CLAMP, 0.5 INCH NYLON
2J-44834 1 BUZZER
*
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
33
EXPLODED VIEW
Universal Hood Electrical Components
1
2
4
3
5
8
9
10
11
12
13141513
17
18
21
19
20
16
6 7
SK2557 Rev. - 1/16/2012
Electrical Components
34
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
PARTS LIST
Universal Hood Electrical Components
Control Panel
Fig No. Part No WVU96 Description
1 N1-Z14142 1 COVER, HOOD SIDE RIGHT
2 N1-WL0245 6 LED FLOODLIGHT, 45W CW w/TERM
3 N1-Z15418 2 MOUNTING PLATE, CTRL LIGHT
4 N1-WL0281 10 LIGHT SIGNAL, CLEAR LED w/TERM
5 N1-WL0250 CONTROL PANEL, FRONT ASSY
5 N1-WL0278 1 CONTROL PANEL, FRONT ASSY
6 2M-Z14069 1 GRAPHIC PANEL, NO SWITCH
6 2M-Z14510 GRAPHIC PANEL W/ SWITCH
7 2M-306719 2 LOGO WELLS DIECAST SHIELD
8 2E-305295 1 SWITCH ROCKER 250V 10A GR
9 N1-Z15435 1 ELEC. AUTOMAN BKT. MODIFY
10 2E-Z15018 2 TRANSFORMER, 208/240 12V
11 2E-44514 1 RELAY 208-240V COIL
12 2E-Z15353 1 RELAY, 120V COIL, SPNO
13 2C-1488 6 SCREW 6-32X3/8 RHP STL NP
14 2E-Z15335 1 TRANSFORMER, 208/240
15 WS-WL0282 1 TERMINAL BLOCK ASSY
16 2E-Z14960 1 CONTACTOR, 40A
17 2C-40680 2 NUT 10-32 HEX KEPS MS SS
18 2K-Y8571 7 BUSHING SNAP 2 1/8
19 N1-Z14141 1 COVER, HOOD SIDE LEFT
20 N1-Z15344 1 COVER,SIDE ELECTRIC BOX
21 2K-8043 2 BUSHING HEYCO SB-875-10
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
35
Suppression System
SK2558 Rev. A 1/16/2015
21
6
1
7
5
1
3
4
3
4
11
12
13
10
10
9
8
Front
EXPLODED VIEW & PARTS LIST
Universal Hood Suppression System
Suppression System
Fig. No Part No WVU96 Description
1 2K-47269 16 ADAPTER 3/8IN QUICK CON A
2 2O-47267 2 NOZZLE ANSUL 1N
3 2O-307481 10 ADAPTER SWIVEL ANSUL
4 2O-Z14574 8 NOZZLE, #245
5 2C-Z15115 2 HEX HEAD PIPE PLUG 3/8NPT
6 2O-302931 2 NOZZLE 1 W
7 2O-304433 4 TANK SS ANSULEX 1.5 GALLO
8 2O-47272 1 PULLEY ELBOW
9 N1-Z15435 1 ELEC. AUTOMAN BKT MODIFY
10 2O-Z14918 2 ANSUL CARTRIDGE LT-30-R
11 2O-308131 1 REMOTE PULL STATION RED
12 2O-307966 1 ANSUL REG. ACTUATOR ASSY
13 2K-Z15635 1 ELBOW, MALE 7/16-20X1/4NPT
36
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
Detection System
Thermal Detector-225°F
Part No: 2T-Z15320
Thermal Detector-275°F
Part No: 2T-Z16137
Adapter 1/2” Quick Seal
Part No: 2T-Z15320
SK2559 Rev. A 7/25/2012
EXPLODED VIEW & PARTS LIST
Universal Hood Detection System
WS-WL0966 DEPLYMNT KIT, WVU-96 QTY
1 2J-44834 BUZZER 220V ROHS 1
2 2E-Z15352 VACUUM SWITCH,HEPA FILTER 2
3 2E-305295 SWITCH ROCKER 250V 10A GR 1
4 N1-Z22134 BLOWER MOTOR, MODIFIED 2
5 2U-200577 MOTOR, FAN 240V, HI-OUTPU 4
6 WS-Z17920 PKG,TIMER & BRACKET ASM 1
7 2E-Z15365 PRESSURE SWITCH 2
8 2E-200387 CORD FAN PLUG 4
9 N1-WL0171 FILTER HEPA/CARBON PK ASM 2
10 2I-Z22132 MOUNT, SILICONE, 8
11 2I-Z16258 PREFILTER UNIVERSAL HOOD 4
Ansul Deployments are not covered under warranty. Technical
service (800)-264-7827 needs to be contacted immediately and
a deployment kit of parts needs to be replaced before unit is
put back in service.
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
37
EXPLODED VIEW & PARTS LIST
Universal Hood Base Assy
Model: WVU48 Base Assy
SK2561 Rev. A 11/18/2013
1
2
5
17
5
9
10
12
2
14
13
15
16
11
6
7
8
4
3
Base Assembly
Fig No. Part No WVU96 Description
1 N1-Z15193 2 BASE DEFLECTOR
2 2C-35487 66 SCREW 8-32X5/16 PH TR HD
3 2C-1825 16 WASHER #8 EXT STL NP
4 N1-WL0176 1 BASE,SUPPORT ASSY LFT
5 N1-Z14149 3 BASE,BACK SUPPORT 8FT
6 2C-6517 85 NUT 1/4-20 HEX STL NP
7 2C-A27469 85 WASHER,FLAT 1/4IN 7/8OD 1
8 2C-Z5555 85 BOLT 1/4-20 X .75 HEX SS
9 2C-31053 4 NUT 8-32 KEPS MS NICKEL
10 2P-70903-05 1 PLG BTN PLTD MTL 7/8
11 N1-WL0126 1 BOX, MANUAL PULL ASSEMBLY
12
N1-WL0180 1 COVER,BASE SIDE RT ASSY
N1-Z14152 1 COVER, BASE SIDE LEFT
13
2A-307628 4 LEG 6 ADJ 1/2-13 SS
2A-Z16259 LEG, 10” ADJ. 1/2-13 SS (Optional)
14 N1-WL0177 1 BASE,SUPPORT ASSY RT
15 2O-308131 1 REMOTE PULL STATION RED
16 2C-31730 SCREW 8-32X1/2 PH TR HD M
17 2C-6349 SCREW #8X3/8 B THP STL NP
38
M522 p/n 2M-Z23216 OpM WVU- Universal Hood
CUSTOMER SERVICE DATA
please have this information available if calling for service
RESTAURANT _____________________________ LOCATION _____________
INSTALLATION DATE ________________________ TECHNICIAN ___________
SERVICE COMPANY ________________________________________________
ADDRESS ___________________________ STATE ______ ZIP__________
TELEPHONE NUMBER (_____)_____-_________
EQUIPMENT MODEL NO. _____________EQUIPMENT SERIAL NO. _______________
VOLTAGE: (check one) 208 240
DESCRIPTION PART NO.
PARTS & SERVICE
IMPORTANT: Use only
factory authorized service parts
andreplacementlters.
For factory authorized service,
or to order factory authorized
replacement parts, contact
your Wells authorized service
agency, or call:
Wells Manufacturing
265 Hobson St.
Smithville, TN 37166 USA
Service Dept.
phone: (800) 264-7827
fax: (314) 781-2714
Service Parts Department
can supply you with the name
and telephone number of the
WELLS authorized service
agency nearest you.
265 Hobson Street Smithville, TN 37166
Application for Ventless Approvals
All Wells ventless models’ dimensions, electrical requirements,
and venting requirements are in the specification sheet and
manuals. All documentation can be found at wells-mfg.com.com.
Any questions please call Wells at (800) 264-7827
Please print or type. The application
must be fully completed to be
Approved. Please complete each
section if applicable. Submit this
application and all supporting
documents with your PO.
Please supply documentation with application:
• Spec Sheets (equipment under the hoods) for non-Middleby brands
• Manuals (equipment under the hood)) for non-Middleby brands
NYC and Chicago
• Please contact a Wells representative to inquire about additional documentation
Customer Information
Business Name
Address
City
State
Zip
Phone Number
Mobile Number
Email Address
Project Contact Information
Name
Email Address
Phone Number
Company
Dealer Information
Name
Email Address
Phone Number
Company
Wells Ventless
Model Number
How many pieces of equipment under hood
Project contact
initial
1.
2.
3.
[
2M-303912 REV E (07-2019)
265 Hobson Street Smithville, TN 37166
Equipment List
Manufacturer and Model Number
(Please Attach All Spec Sheets)
Wells Hood
(1-3 from Wells
Model # list)
Project Contact
Initial
Signature Disclaimer
➢ I understand that the Wells Ventless system is designed based on the information supplied above, changes
made can affect its performance and may affect the Ventless system warranty.
➢ I understand that incomplete or missing information on the equipment to be used under the Ventless system will
affect the equipment approval process and will delay this order. No production date will be scheduled until
complete information is received.
➢ I understand that any equipment changes made after this process may affect the Wells Ventless equipment
including its performance or overall warranty of the of the Ventless system
➢ I understand that a Wells Representative must perform a start-up/training course before warranty will begin.
Name (Please Print)
Signature
Date
Wells Approval Signature (Wells Authorized Representative)
Name (Please Print)
Signature
Date
2M-303912 REV E (07-2019)
WELLS MANUFACTURING
265 Hobson Street, Smithville, Tennessee 37166
telephone: 800-264-7827
fax: 314-781-2714
www.wells-mfg.com
