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www.usaprocom.com
11200042-01B
INSTALLATION
This appliance is factory
preset for propane/LP gas.
No changes are required for
connecting to propane/LP.
Only a qualified installer or
service technician can perform
gas selection and connecting to
gas supply.
CAUTION: Two gas line in-
stallations at the same time are
prohibited. The access plate
to the simple switching means
shall not be opened while the
heater is in operation.
CAUTION: To avoid gas
leakage at the inlet of regulator,
a qualied installer or service
technician must use supplied
hex plug with sealant.
WARNING: Do not attempt to
access or change the setting of
the fuel selection means.
Access to and adjustment of the fuel selection
means must only be performed by a qualied
service person when connecting this appliance to
a specied fuel supply at the time of installation.
Change of the selector setting to other than
the fuel type specied at the time of installa-
tion could damage this appliance and render
it inoperable.
The installer shall replace the access cover
before completing the installation and operat-
ing this appliance.
GAS SELECTION
For changing from propane to
natural gas supply:
1. Remove 2 screws from cover plate located
on back of heater to expose fuel selection
device (see Figure 5).
2. For NATURAL GAS, press knob using a
at screwdriver with a blade with thick-
ness of a quarter and turn knob clockwise
until the knob locks into the NG po-
sition (see Figure 5). Fuel selection device
must be locked in the NG position. Do not
operate heater between locked positions!
3. Rotate and close cover over fuel selection
device and reinstall screw.
4. Remove hex plug (with wrench provided)
from natural gas inlet of regulator (see
Figure 5). Install hex plug into LP inlet of
regulator. Install gas line into NG inlet of
regulator. Use thread sealant to ensure
that there are no leaks.
NG
LP
INLET GAS PRESSURE
MAX 1/2 PSIG (3.5 KPA)
Bottom of Heater
Back of Heater
NG
LP
Fuel
Selector
Knob
Hex Plug
Gas
Connection
Fitting
Figure 5 - Settings for Natural Gas
Selection
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