Installation Guide
www.factorybuysdirect.com
23200337-01A
TROUBLESHOOTING
 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 re department.
 WARNING: Only a qualied service technician should service and 
repair heater. Make sure that power is turned off before proceeding. 
Turn off and let cool before servicing.
 CAUTION: Never use a wire, needle, or similar object to clean 
ODS/pilot. This can damage ODS/ pilot unit.
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.
Note: All troubleshooting items are listed in order of operation.
CARE AND MAINTENANCE
Always disconnect the appliance from the 
main  power  supply  and  allow  it  to  cool 
before any servicing operation.
The motors used on the fan heater and ame 
blower are pre-lubricated for extended bear-
ing  life  and  require  no  further  lubrication. 
However, periodic cleaning/vacuuming of the 
appliance around the air intake and exhaust, 
as well as the fan heater is recommended. For 
heavy  or  continuous  use,  periodic  cleaning 
must be done more frequently. If the heater 
blows alternating cold and warm air, check the 
fan for free movement and for debris restrict-
ing air ow. If the fan does not move freely, the 
unit must be turned off and the fan replaced 
immediately in order to prevent further dam-
age to the unit.
MAINTENANCE OF BLOWER MOTOR 
Pressure Switch
When  using  natural  gas  (NG),  there  is  a 
pressure switch that acts to turn off the gas 
ow to the pilot if the inlet pressure exceeds 
9.5" WC. This is to prevent the operation of 
the unit on the wrong gas (propane/LP). If your 
natural gas supply exceeds 9.5" WC the unit 
will not operate. Either contact your gas sup-
plier to check and adjust the inlet pressure or 
a qualied service technician can bypass the 
pressure switch.
Problem Possible Cause Corrective Action
Using natural gas and 
pilot will not light.
Inlet  pressure  exceeds  
9.5" WC.
Bypass  pressure  switch.  See 
instructions below.
Before  attempting  to  bypass  the  pressure 
switch, make sure the type of gas being used 
is correct. Check to make sure the connection 
tting is in the correct inlet on the regulator. 
Refer to Connecting to Gas Supply, page 15.
Only a qualied  installer  should  bypass  the 
pressure  switch.  To  bypass  the  pressure 
switch locate the set screw on the regulator. 
Use a small at bladed screw driver to turn the 
set screw counterclockwise 2 turns. This will 
bypass the pressure switch function.










