Desa LDL3930NRB Owner's Operating & Installation Manual page 12

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 or log
misplacement.
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 burners.
This could damage heater. Only
handle base assembly by grates.
IMPORTANT: Make sure the heater burners
are level. If heater is not level, heater will not
work properly.
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" drill bit (metal or
masonry as applicable)
• flat head screwdriver
• pipe wrench
1. Apply pipe joint sealant lightly to male
threads of gas fitting (not provided). Con-
nect approved flexible gas hose to gas
control fitting in heater (see Figure 11).
IMPORTANT: Hold gas fitting with wrench
when connecting flexible gas hose.
2. Locate two masonry screws in hardware
package.
3. Place heater base in fireplace.
12
4. Place logs in their proper position on heater
base (see Installing Logs, page 16).
5. Center heater base and logs front-to-
back and side-to-side in fireplace.
6. Carefully remove logs without moving
heater base.
7. Mark screw locations through one hole on
each side of the base (see Figure 12). If
installing in a brick-bottom fireplace, mark
screw locations in mortar joint of bricks.
8. Drill holes at marked locations using 3/16"
drill bit.
9. Attach base assembly to fireplace floor
using two masonry screws (in hardware
package).
Figure 11 - Attaching Flexible Gas Hose
Figure 12 - Attaching Heater to Fireplace
INSTALLING BATTERIES IN
REMOTE CONTROL AND RECEIVER
WARNING: Make sure your
selector switch is in OFF posi-
tion before installing or chang-
ing batteries in your hand-held
remote or receiver.
Installing Battery into Remote
1. Remove battery housing cover from back
of hand-held remote.
2. Install 3 AAA batteries.
3. Replace battery housing cover.
When batteries are installed, the "little house"
icon with current room temperature will be dis-
www.desatech.com
Flexible Gas Hose (if
allowed by local codes)
Fitting
to Heater
Masonry Screw
Screw Holes
in Base
Floor
121486-01F