Desa 103426-01 - Manual (Page 9)

9 103426
SPLIT OAK AND AMERICAN OAK DESIGN
18", 24" AND 30" MODELS
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
insure adequate air flow and
guard against sooting. Raise
fireplace floor with noncombus-
tible material. Make sure mate-
rial is secure.
CAUTION: Do not pick up
heater base assembly by burn-
ers. This could damage heater.
Only handle base assembly by
grates.
IMPORTANT: Make sure the heater burn-
ers are level. 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.
Installation Items Needed
• hardware package (provided with
heater)
• approved flexible gas hose (not pro-
vided) (if allowed by local codes)
• sealant (resistant to LP gas, not pro-
vided)
• electric drill with 3/16" masonry drill bit
1. Apply pipe joint sealant lightly to male
threads of gas fitting (not provided).
Connect approved flexible gas hose to
gas regulator of heater (see Figure 12).
IMPORTANT: Hold gas regulator with
wrench when connecting flexible gas
hose.
2. Locate mounting brackets, bolts, and
nuts in hardware package. Attach
mounting brackets to heater base (see
Figure 13). Attach nuts finger tight.
3. Position heater base assembly in fire-
place.
Heater Gas
Regulator
Flexible Gas Hose (if
allowed by local codes)
Figure 12 - Attaching Flexible Gas Hose to Heater Gas Regulator
Figure 13 - Attaching Heater to Fireplace Floor
4. Mark screw locations through holes in
mounting brackets. If installing in a
brick-bottom fireplace, mark screw lo-
cations in mortar joint of bricks.
5. Remove heater base from fireplace.
Remove mounting brackets from heater
base.
6. Drill holes at marked locations using
3/16" drill bit.
7. Attach mounting brackets to fireplace
floor using masonry screws (in hard-
ware package).
8. Reattach heater base to mounting
brackets. Tighten nuts firmly.
9. Connect to gas supply. See Connect-
ing To Gas Supply, page 10.
Continued
Masonry Screw
Mounting
Bracket
Screw
Mounting
Bracket
Nut
Mounting
Bracket
CAUTION: Do not remove the
metal data plates attached to the
heater base assembly. The data
plates contain important warranty
information.