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GAS
RESIDENTIAL
HEATERS
TROUBLESHOOTING
Continued
WARNING: If you smell gas
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical 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.
• If you cannot reach your gas supplier, call the fire department.
IMPORTANT: Operating
heater where im-
purities in airexist
may create odors. Clean-
ing supplies, paint, paint remover, cigarette
smoke, cements
and glues, new carpet
or
textiles,
etc., create
fumes.
These
fumes
may mix with combustion
air and create
odors.
OBSERVED
PROBLEM
POSSIBLE
CAUSE
REMEDY
Heater produces
unwanted
odors
I. Heater burning vapors from paint, hair
spray,
glues,
etc.,
(see
IMPORTANT
statement above).
2. Gas leak. SeeWarning statement at top
of page.
1. Ventilate room. Stop using odor-causing
products
while heater is running
2. Locate
and
correct
all
leaks
(see
Checking
Gas Connections,
page 9)
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. Refer
to Air for
Combustion
and
Ventilation
requirements
(page 3)
2. Contact local natural gas company
3. Clean
ODS/pilot
(see Cleaning
and
Maintenance,
page 15)
GasodorevenwhencontrolknobisinOFF
1. Gasleak. SeeWarnlngstatementat top
I. Locate
and correct
all leaks
(see
position
of page.
Checking Gas Connections, page 9)
2. Control valve defective
2. Replace control valve
Gas odor during combustion
1. Foreign matter between control valve
1. Take apart gas tubing and remove
and burner
foreign matter
2. Gasleak.SeeWamlngstatementattop
2. Locate
and correct
all leaks
(see
of page.
Checking Gas Connections, page 9)
Moisture/condensation
noticedon windows
1. Not enough combustion/ventilation
air.
1. Refer to Air for Combustion and Venti-
lation requirements (page 3)
TECHNICAL
SERVICE
You may have further questions about in-
stallation,
operation, or Trouble
Shooting.
If so, contact DESA International's
Techni-
cal Service Department
at 1-800-323-5190.
SERVICE
HINTS
When gas pressure
is too low
• pilot will not stay lit
• burner(s)
will have delayed ignition
• heater will not produce specified heat
When
gas
quality
is bad
• pilot will not stay lit
• burner(s) will produce flames and soot
• heater will backfire
when lit
You may feel your gas pressure is too low or
gas quality is bad. If so, contact your local
natural gas supplier.
14
I03_
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