For changing from natural gas
supply to propane supply:
1. Remove 2 screws from cover plate located
on back of heater to expose fuel selection
device (see Figure 6).
2. For propane gas, press in knob using a flat
screwdriver with a blade the thickness of
a quarter and turn knob counterclockwise
until the knob locks into the LP posi-
tion (see Figure 6). Fuel selection device
must be locked in the LP 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 propane/LP gas inlet of regulator
(see Figure 6). Install hex plug into NG
inlet of regulator. Install gas line into
propane/LP inlet of regulator. Use thread
sealant to ensure that there are no leaks.
This heater is designed to be mounted on a
wall. For convenience and efficiency, install
heater:
Mounting Bracket
The mounting bracket is located on back panel
of heater (see Figure 7). It has been taped
there for shipping. Remove mounting bracket
from back panel.
Figure 7 - Mounting Bracket Location
Removing Front Panel of Heater
1. Remove two screws near bottom corners
of lower front panel.
2. Pull bottom of lower front panel forward,
then down (see Figure 8).
12
INSTALLATION
LOCATING HEATER
FASTENING HEATER TO WALL
Mounting Bracket
www.usaprocom.com
NG
Gas
Back of Heater
Connection
Fitting
INLET GAS PRESSURE
MAX 1/2 PSIG (3.5 KPA)
LP
Bottom of Heater
Figure 6 - Settings for Propane/LP Gas
Selection
1. Where there is easy access for operation,
inspection, and service.
2. In the coldest part of room.
Figure 8 - Removing Front Panel Of
Methods For Attaching Mounting
Bracket To Wall
Use only the last hole on each end of mount-
ing bracket to attach bracket to wall. Attach
mounting bracket to a wall only in one of two
ways:
Fuel
Selector
Knob
LP
Hex Plug
NG
Heater
200042-01A