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104415-01M
13
INSTALLATION
Continued
Figure 10 - Attaching Damper Clamp
INSTALLING HEATER BASE
ASSEMBLY
WARNING: You must secure
this heater to fireplace floor. If
not, heater will move when you
adjust controls. Moving heater
may cause a gas leak.
WARNING: If installing in a
sunken fireplace, special care
is needed. You must raise the
fireplace floor to allow access to
heater control panel. This will in-
sure adequate air flow and guard
against sooting and controls be-
ing damaged. Raise fireplace floor
with noncombustible material.
Make sure material is secure.
Area of Various Standard
Round Flues
Diameter (in.)
Area (sq. in.)
5"
20 sq. inches
6"
29 sq. inches
7"
39 sq. inches
8"
51 sq. inches
Chimney
Minimum Permanent
Height (ft.)
Flue Opening (sq. in.)
6' to 15'
39 sq. inches
15' to 30'
29 sq. inches
Manufactured
Fireplace
Masonry
Fireplace
Damper
Damper
Clamp
Damper
Damper
Clamp
Damper
CAUTION: Do not pick up
heater base assembly by burners.
This could damage heater. Only
handle base assembly by grates.
IMPORTANT:
Make sure the heater burners are lev-
el. If heater is not level, heater will not work properly.
For thermostat models, avoid damage to thermostat
bulb. Avoid nicks or sharp bends in thermostat bulb
wire. Keep thermostat bulb in mounting bracket until
ready to mount base to floor. See
Optional Position-
ing Of Thermostat Sensing Bulb
, page 33.
Installation Items Needed
• hardware package (provided with heater)
• approved flexible gas hose and fittings (not
provided) (if allowed by local codes)
• sealant (resistant to propane/LP gas, not provided)
• electric drill with 3/16" masonry drill bit
Note:
Install optional GHRCTB Receiver and
Hand-Held Remote Control Kit (see
Accessories
,
page 42) before installing gas log heater (Remote-
Ready Models Only). See installation instructions
included with the kit.
1. Apply pipe joint sealant lightly to male threads
of gas fitting (not provided). For Variable
Manually-Controlled and Thermostatically-
Controlled Models connect approved flexible
gas hose to gas regulator of heater (see Figure
11). For Remote-Ready models connect ap-
proved flexible gas hose to inlet side of gas
control (see Figure 12).
Heater Gas
Regulator
Flexible Gas Hose (if
allowed by local codes)
Figure 11 - Attaching Flexible Gas Hose to
Heater Gas Regulator (Variable Manually-
Controlled and Thermostatically-
Controlled Models Only)
Figure 12 - Attaching Flexible Gas Hose
to Heater Gas Regulator (Remote-Ready
Models Only)
Gas Control
Flexible Gas Hose (if
allowed by local codes)
