Desa VRL24NR Owner's Manual page 14

IMPORTANT: Make sure the heater burners
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 ther-
mostat bulb in mounting bracket until ready to
mount base to floor. See Optional Positioning
Of Thermostat Sensing Bulb, page 32.
Installation Items Needed
• hardware package (provided with heater)
• approved flexible gas hose (provided with
VRL Models Only) (if allowed by local
codes)
• sealant (resistant to propane/LP gas, not
provided)
• electric drill with 3/16" drill bit
• flathead screwdriver
1. Apply pipe joint sealant lightly to male
threads of gas fitting (provided with VRL
models only). Connect approved flexible
gas hose to fitting in base (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.
4. Place logs in their proper position on heater
base (see Installing Logs, page 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 one hole on
each side of the mounting bracket (see
Figure 12). If installing in a brick-bottom
fireplace, mark screw locations in mortar
joint of bricks.
8. Remove heater base from fireplace. If
installing optional control accessories,
do so at this time. Follow all directions
provided with accessory.
Flexible Gas Hose
(if allowed by local
codes)
Figure 11 - Attaching Flexible Gas Hose
to Heater
14
INSTALLATION
Fitting
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Continued
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).
Mounting
Flange
Masonry Screw
Figure 12 - Attaching Base Assembly to
Fireplace Floor (30" Model Shown)
CONNECTING TO GAS SUPPLY
WARNING: This appliance
requires a 1/2" NPT (National
Pipe Thread) inlet connection to
the pressure regulator.
WARNING: A qualified ser-
vice person must connect heater
to gas supply. Follow all local
codes.
CAUTION: Never connect
propane/LP heater directly to the
propane/LP supply. Propane/LP
heaters require an external regu-
lator (not supplied). Install the
external regulator between the
heater and propane/LP supply.
WARNING: For natural gas
units, never connect heater to
private (non-utility) gas wells.
This gas is commonly known
as wellhead gas.
110021-01S