Desa VUL18 - Manual (Page 13)

www.desatech.com 119426-01A 13
INSTALLATION
Continued
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 thermostat 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 and fittings (not
provided) (if allowed by local codes)
• sealant (resistant to propane/LP gas, not pro-
vided)
• electric drill with 3/16” masonry drill bit
Note:
Install optional GHRCTB Receiver and
Hand-Held Remote Control Kit (see Accessories,
page 42) before installing gas log heater (Remote-
Ready Models Only). See installation instructions
included with the kit.
1. Apply pipe joint sealant lightly to male threads
of gas fitting (not provided). For Thermostati-
cally-Controlled Models connect approved
flexible gas hose to gas regulator of heater
(see Figure 11). For Remote-Ready models
connect approved flexible gas hose to inlet
side of gas control (see Figure 12). IMPOR-
TANT: Hold gas regulator with wrench when
connecting flexible gas hose (Thermostati-
cally-Controlled Models Only).
2. Position heater base assembly in fireplace.
3. Mark screw locations through holes in front
panel of base (see Figure 13). If installing in a
brick-bottom fireplace, mark screw locations
in mortar joint of bricks.
4. Remove heater base from fireplace.
5. Drill holes at marked locations using 3/16"
drill bit.
6. Attach base, through holes in front panel of base,
to fireplace floor using masonry screws provided
in hardware package (see Figure 13).
7. Connect to gas supply. See Connecting To Gas
Supply, page 14.
Heater Gas
Regulator
Flexible Gas Hose (if
allowed by local codes)
Figure 11 - Attaching Flexible Gas Hose to
Heater Gas Regulator (Thermostatically-
Controlled Models Only)
Figure 12 - Attaching Flexible Gas Hose
to Heater Gas Regulator
(Remote-Ready Models Only)
Gas Control
Flexible Gas Hose
(if allowed by local
codes)
Figure 13 - Attaching Base to Fireplace
Floor (Remote-Ready Models Only)
Masonry Screw