Desa CDR3924NT Owner's Operation And Installation Manual page 11

INSTALLATION
Continued
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.
CAUTION: Do not pick up
heater base assembly by burn-
ers. This could damage heater.
Only handle base assembly by
sides of base.
IMPORTANT: Make sure the heater burners are
level. If heater is not level, heater will not work
properly. 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 Positioning
of Thermostat Sensing Bulb, page 24.
Installation Items Needed
• hardware package (provided with heater)
• approved flexible gas hose and fitting (not
provided) (if allowed by local codes)
• sealant (resistant to propane/LP gas, not pro-
vided)
• electric drill with 3/16" drill bit (metal or ma-
sonry as applicable)
• flathead screwdriver
1. Connect fitting to base as shown in Figure 10.
Connect approved flexible gas hose to fitting
in base (see Figure 10).
IMPORTANT: Hold gas fitting with wrench
when connecting flexible gas hose.
113183-01B
Flexible Gas
Hose (if allowed
by local codes)
Figure 10 - Attaching Flexible Gas Hose
www.desatech.com
Fitting
to Heater
11