Desa VML27NR Operation And Installation Manual page 28

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. Fol-
low the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning 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. These odors will disappear over time.
OBSERVED PROBLEM
Heater produces unwanted
odors
Heater shuts off in use (ODS
operates)
Gas odor even when control knob
is in OFF position
Gas odor during combustion
8
tRouBLESHooting
Continued
POSSIBLE CAUSE
1. Heater burning vapors from
paint, hair spray, glues, clean-
ers, chemicals, new carpet,
etc. (See IMPORTANT state-
ment above)
2. Low fuel supply (propane/LP
only)
3. Gas leak. See Warning
statement at top of page
1. Not enough fresh air is avail-
able
2. Low line pressure
3. O D S / p i l o t i s p a r t i a l l y
clogged
1. Gas leak. See Warning
statement at top of page
2. Control valve or gas control
defective
1. Foreign matter between con-
trol valve and burner
2. Gas leak. See Warning
statement at top of page
www.desatech.com
REMEDY
1. Open window to ventilate
room. Stop using odor caus-
ing products while heater is
running
2. Refill supply tank (propane/LP
only)
3. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 16)
1. Open window and/or door for
ventilation
2. Contact local natural or pro-
pane/LP gas company
3. Clean ODS/pilot (see Cleaning
and Maintenance, page 23)
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 16)
2. Replace control valve or gas
control
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 16)
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