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107123
OWNER’S MANUAL
For more information, visit www.desatech.com
INSTALLATION
Continued
INSTALLING HEATER BASE
ASSEMBLY
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.
WARNING: If installing in a
sunken fireplace, special care is
needed. You must raise the fire-
place floor to allow access to
heater control panel. This will in-
sure adequate air flow and guard
against sooting. Raise fireplace
floor with noncombustible mate-
rial. Make sure material is secure.
CAUTION: Do not pick up
heater base assembly by the
burner. This could damage
heater. Only handle base assem-
bly by grates.
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 mis-
placement.
Installation Items Needed
• hardware package (provided with heater)
• approved flexible gas hose (not provided)
(if allowed by local codes)
• sealant resistant to propane (propane/LP)
gas, not provided
• electric drill with 3/16" drill bit
• flathead screwdriver
1. Apply pipe joint sealant lightly to male
threads of the fitting to be threaded into
gas regulator. Connect approved flex-
ible gas hose to gas regulator of heater
(see Figure 12).
IMPORTANT:
Hold gas regulator with
wrench when connecting flexible gas
hose.
2. Locate masonry screws in hardware
package.
3. Position heater base assembly in fire-
place.
4. Place logs in their proper position on heater
base, see Installing Logs on pages 14
through 17.
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 holes in
mounting brackets (see Figure 13 or
14). If installing in a brick-bottom fire-
place, mark screw locations in mortar
joint of bricks.
8. Remove heater base from fireplace.
9. Drill holes at marked locations using
3/16" drill bit.
10. Attach base assembly to fireplace floor
using two masonry screws (in hardware
package) (see Figures 13 or 14).
Figure 13 - Attaching Base Assembly to
Fireplace Floor - Dual Burner Model
Figure 14 - Attaching Base Assembly to
Fireplace Floor - Single Burner Model
Heater Gas
Regulator
Flexible Gas Hose
(if allowed by local
codes)
Figure 12 - Attaching Flexible Gas Hose
to Heater Gas Regulator
Fitting
Continued
Masonry
Screw
Mounting
Bracket
Masonry
Screw
Mounting
Bracket
CAUTION: Do not remove the
metal data plates attached to the
heater base assembly. The data
plates contain important warranty
information.