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The diagram below shows how to properly
position, level, and secure the fireplace.
1. Place the fireplace
into position.
2. Level the fireplace
from side to side and
from front to back.
3. Shim the fireplace
with non-combus-
tible material, such
as sheet metal, as
necessary.
4. Secure the fireplace
to the framing by
nailing or screwing
Figure 36. Proper Positioning, Leveling, and
Securing of a Fireplace
Step 5
The Gas Control
Systems
WARNING: THIS UNIT IS NOT FOR
USE WITH SOLID FUEL.
Two types of gas control systems are used with
these models:
Standing Pilot Ignition
and
Direct
Spark Ignition (DSI).
Model R-3500TRH and R-
4500TRH have Standing Pilot Ignition only.
Standing Pilot Ignition System
This system includes millivolt control valve,
standing pilot, thermopile/thermocouple flame
sensor, and piezo ignitor.
WARNING
110-120 VAC MUST NEVER BE
CONNECTED TO A CONTROL VALVE
IN A MILLIVOLT SYSTEM.
Direct Spark Ignition (DSI) System
This system includes a 120VAC control valve,
electronic module and spark ignitor/flame sensor.
WARNING: CONTINUOUS 110-120 VAC
SERVICE MUST BE WIRED DIRECTLY
TO THE FIREPLACE JUNCTION BOX
IN A DSI SYSTEM.
WARNING
DIRECT VENT PROPANE MODELS
WITH DSI CONTROL SYSTEMS
CANNOT BE USED IN CANADA.
Step 4
Positioning,
Leveling, and
Securing the
Fireplace
WARNING:
To ensure proper
clearances the front
framing header must
be installed on its
narrow edge and to
the front of the
frame.
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