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14
Installation Instructions and Owner’s Manual
Unvented LP-Gas Vent Free Room Heaters
Burner does not light after ODS/pilot is lit 1. Burner orifi ce is clogged
2. Burner orifi ce diameter to small
3. Inlet gas pressure is too low
1. Clean burner orifi ce (see Cleaning and
Maintenance on page 11), or replace
burner orifi ce
2. Replace burner orifi ce
3. Contact local gas company
Delayed ignition of burner 1. Manifold pressure is too low
2. Burner orifi ce is clogged
1. Contact local gas company
2. Clean burner orifi ce (see Cleaning and
Maintenance on page 11), or replace
burner orifi ce
Burner backfi ring during operation 1. Burner orifi ce is clogged or damaged
2. Burner damaged
3. Gas regulator defective
1. Clean burner orifi ce (see Cleaning and
Maintenance on pages 11 and 12), or
replace burner orifi ce
2. Replace burner
3. Replace gas regulator
Burner plaque(s) does not glow [Infrared
Only]
1. Plaque damaged
2. Control knob set between locked
positions.
3. Inlet gas pressure is too low
1. Replace burner
2. Turn control knob until it locks at de-
sired setting.
3. Replace gas regulator
Slight smoke or odor during initial
operation
1. Residues from manufacturing process 1. Problem will stop after a few hours of
operation
Heater produces a whistling noise when
burner is lit
1. Turning control knob to HI position
when burner is cold
2. Air in gas line
3. Air passageways on heater blocked
4. Dirty or partially clogged burner orifi ce.
1. Turn control knob to LO position and
let warm up for a minute.
2. Operate burner until air is removed
from line have gas line checked by lo-
cal gas company.
3. Observe minimum installation clear-
ances (see Figure 4 page 7)
4. Clean burner orifi ce (see Cleaning and
Maintenance on pages 11 and 12), or
replace burner orifi ce.
White powder residue forming within
burner box or on adjacent walls or furni-
ture
1. When heated, vapors from furniture
polish, wax, carpet cleaners, etc., turn
into white powder residue
1. Turn heater off when using furniture
polish, wax, carpet cleaner or similar
products.
Heater produces unwanted odors. 1. Heater burning vapors from paint, hair
spray, glues, etc. See IMPORTANT
statement on page 14.
2. Gas leak. See WARNING statement at
top of page 14.
1. Ventilate room. Stop using odor-caus-
ing products while heater is running.
2. Locate and correct all leaks (see
Checking Gas Connections, page 10)
Heater shuts off in use (ODS operates) 1. Not enough fresh air is available
2. Low line pressure
3. ODS/pilot is partially clogged
1. Open window and/or door for
ventilation
2. Contact local gas company
3. Clean ODS/pilot (see Cleaning and
Maintenance, pages 11 and 12)
Gas odor even when control knob is in
OFF position
1. Gas leak. See WARNING statement at
top of page
14.
2. Control valve is defective
1. Locate and correct all leaks (see
Checking Gas Connections, page 10)
2. Replace control valve
Gas odor during combustion 1. Foreign matter between control valve
and burner
2. Gas leak. See WARNING statement at
top of page 14.
1. Take apart gas tubing and remove
foreign matter
2. Locate and correct all leaks (see
Checking Gas Connections, page 10)
Heater produces a clicking/ticking noise
just after burner is lit or shut off
1. Metal expanding while heating or con-
tracting while cooling
1. This is common with most heaters. If
noise is excessive, contact qualifi ed
service person
Moisture/condensation noticed on win-
dows
1. Not enough combustion/ventilation air 1. Refer to Fresh Air for Combustion and
Ventilation page 3 through 5.
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