Desa NZ100 Safety Information And Installation Manual page 25

Desa unvented (vent-free) infrared remote control gas heater safety information and installation manual nz100, nz101, nz102, nz103 nz104, nz105, nz106, nz107 nz116, nz117, nz118, nz119
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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 sup-
plies, 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
Heater produces unwanted
odors
Gas odor even when control
knob is in OFF position
Gas odor during combus-
tion
Heater produces a whistling
noise when burner is lit
118621-01B
TROUbLESHOOTING
Continued
POSSIbLE CAUSE
1. Heater burning vapors from
paint, hair spray, glues, etc.
See IMPORTANT state-
ment above
2. Low fuel supply (propane/
LP gas only)
3. Gas leak. See Warning
statement at top of page
1. Gas leak. See Warning
statement at top of page
2. Control valve defective
1. Foreign matter between
control valve and burner
2. Gas leak. See Warning
statement at top of page
1. Air in gas line
2. Air passageways on heater
blocked
3. Dirty or partially clogged
burner orifice
www.desatech.com
REMEDY
1. Ventilate room. Stop us-
ing odor causing products
while heater is running
2. Refill supply tank
3. Locate and correct all leaks
(see Checking Gas Con-
nections, page 13)
1. Locate and correct all leaks
(see Checking Gas Con-
nections, page 14)
2. Replace control valve
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks
(see Checking Gas Con-
nections, page 15)
1. Operate burner until air is
removed from line. Have
gas line checked by local
natural or propane/LP gas
company
2. Observe minimum installa-
tion clearances (see Figure
4, page 8)
3. Clean burner (see Cleaning
and Maintenance, page 21)
or replace burner orifice
25

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