Desa VF-24N-BTB - Manual (Page 12)

www.desatech.com 111826-01G 12
CONNECTING TO GAS SUPPLY
WARNING: This appliance
requires a 3/8" 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.
Gas Control
Flexible
Gas Hose
(if allowed
by local
codes)
Figure 11 - Attaching Flexible Gas Hose
to Heater Gas Regulator
INSTALLING HEATER ASSEMBLY
CAUTION: Do not remove the
data plates attached to the heater
base assembly. The data plates
contain important warranty and
safety information.
WARNING: You must secure
this heater o 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 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.
INSTALLATION
Continued
Area of various
Standard Round Flues
Diameter Area
5" 20 sq. in.
6" 29 sq. in.
" 9 sq. in.
8" 51 sq. in.
Chimney
Height
Minimum
Permanent
Flue
Opening
6' to 15' 9 sq. in.
15' to 0' 29 sq. in.
Damper
Clamp
Damper
Damper
Damper
Clamp
Masonry Fireplace Manufactured
Fireplace
Figure 10 - Attaching Damper Clamp
CAUTION: Do not pick up
heater assembly by the logs. This
could damage heater. Only han-
dle base assembly by grates.
IMPORTANT: Make sure the heater burner is level.
If heater is not level, heater will not work properly.
Installation Items Needed
• control cover kit (provided with heater)
• approved flexible gas hose (provided) (if al-
lowed by local codes)
• sealant (resistant to propane/LP gas, not
provided)
• pipe wrench
Note:
Install optional remote control accessories
(see Accessories, page 25) before installing gas
log heater.
1. Apply pipe joint sealant lightly to male threads
of gas fitting (not provided). Connect approved
flexible gas hose to inlet side of gas control (see
Figure 11). IMPORTANT: Hold gas fitting with
wrench when connecting flexible gas hose.
2. Position heater assembly in fireplace.
3. Connect to gas supply. See Connecting to
Gas Supply.