ComfortFlame.US.com
900556-00 NC
12
Installation must include an equipment shutoff valve, union and
plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge
hook up. NPT tap must be upstream from heater
(see
Figure 14
).
INSTALLATION
Continued
Figure 13 - External Regulator With Vent Pointing Down
Propane/LP
Supply Tank
External
Regulator with
Vent Pointing
Down
Figure 14 - Gas Connection
Gas Control
3" Minimum
Equipment Shutoff Valve
With 1/8" NPT Tap*
Approved Flexible
Gas Hose (if allowed
by local codes)
PROPANE/LP
From External Regulator
(11" W.C.** to 14" W.C.
Pressure)
NATURAL
From Gas Meter
(5" W.C.** to
10.5" W.C.
Pressure)
Cap
Pipe
Tee
Nipple Joint
Sediment Trap
Installation Items Needed
Before installing heater, make sure you have the items listed below.
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
* equipment shutoff valve with 1/8" NPT tap is an acceptable alter-
native to test gauge connection. Purchase the optional CSA design-
certified equipment shutoff valve from your dealer.
For propane/LP units, the installer must supply an external regulator.
The external regulator will reduce incoming gas pressure. You must
reduce incoming gas pressure to between 11" and 14" of water. If
you do not reduce incoming gas pressure, heater regulator damage
could occur. Install external regulator with the vent pointing down as
shown in Figure 13. Pointing the vent down protects it from freezing
rain or sleet.
CAUTION: Use only new, black iron or steel
pipe. Internally-tinned copper tubing may be used
in certain areas. Check your local codes. Use pipe
of 1/2" diameter or greater to allow proper gas
volume to heater. If pipe is too small, undue loss
of volume will occur.
IMPORTANT
:
Install equipment shutoff valve in an ac-
cessible location. The equipment shutoff valve is for
turning on or shutting off the gas to the appliance.
Check your building codes for any special requirements for locating
equipment shutoff valve to fireplaces.
Apply pipe joint sealant lightly to male NPT threads. This will prevent
excess sealant from going into pipe. Excess sealant in pipe could
result in clogged heater valves.
WARNING: Use pipe joint sealant that is resistant
to liquid petroleum (LP) gas.
We recommend that you install a sediment trap in supply line as
shown in
Figure 14
. Locate sediment trap where it is within reach
for cleaning. Install in piping system between fuel supply and heater.
Locate sediment trap where trapped matter is not likely to freeze.
A sediment trap traps moisture and contaminants. This keeps them
from going into heater controls. If sediment trap is not installed or
is installed wrong, heater may not run properly.
CAUTION: Avoid damage to regulator. Hold gas
regulator with wrench when connecting it to gas
piping and/or fittings.
* Purchase the optional equipment shutoff valve from your dealer.
** Minimum inlet pressure for purpose of input adjustment.
