Instructions / Assembly

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200200-01C24
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 qualied service technician should service and
repair heater. Make sure that power is turned off before proceeding.
Turn off and let cool before servicing.
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.
NG
Figure 30 - Gas Regulator Pressure
Switch
Pressure Switch Set Screw
Pressure Switch
When using natural gas (NG), there is a pres-
sure switch that acts to turn off the gas ow to
the pilot if the inlet pressure exceeds 10" WC.
This is to prevent the operation of the unit
on the wrong gas (propane). If your natural
gas supply exceeds 10" WC the unit will not
operate. Either contact your gas supplier
to check and adjust the inlet pressure or a
qualied service technician can bypass the
pressure switch.
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 14
Only a qualied 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.
Problem Possible Cause Corrective Action
Using natural gas and
pilot will not light.
Inlet pressure exceeds 10" WC. Bypass pressure switch. See
instructions below.
The entire gas delivery piping including con-
nections inside the heater should be leak
tested by the qualied installer. After leak
testing the qualied installer should light the
appliance. Refer to the correct ame pattern
as illustrated on page 21 All ame patterns
should be safely inside the product. If for any
reason they are not, stop use of the appliance
and call for repairs.