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14
107570
UNVENTED PROPANE/LP GAS FIREPLACE
For more information, visit www.desatech.com
INSTALLATION
Continued
Figure 25 - Gas Connection
* Purchase the optional CSA design-certi-
fied equipment shutoff valve from your
dealer. See Accessories, page 34.
CAUTION: Use only new, black
iron or steel pipe. Internally-tinned
copper tubing may be used in cer-
tain areas. Check your local codes.
Use pipe of 1/2" diameter or greater
to allow proper gas volume to fire-
place. If pipe is too small, undue
loss of pressure will occur.
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 fireplace (see Figure 25).
IMPORTANT:
Install equipment shutoff
valve in an accessible location. The equip-
ment 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
threads. This will prevent excess sealant
from going into pipe. Excess sealant in pipe
could result in clogged fireplace valves.
INSTALLING GAS PIPING TO
FIREPLACE LOCATION
Installation Items Needed
Before installing fireplace, make sure you
have the items listed below.
• external regulator (supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
• approved flexible gas line with gas connec-
tor (if allowed by local codes) (not provided)
* A CSA design-certified equipment shutoff
valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. Pur-
chase the optional CSA design-certified
equipment shutoff valve from your dealer.
See Accessories, page 34.
The installer must supply an external regu-
lator. The external regulator will reduce
incoming gas pressure. You must reduce
incoming gas pressure to between 11 and 14
inches of water. If you do not reduce incom-
ing gas pressure, heater regulator damage
could occur. Install external regulator with
the vent pointing down as shown in Figure
24. Pointing the vent down protects it from
freezing rain or sleet.
WARNING: A qualified ser-
vice person must connect fire-
place to gas supply. Follow all
local codes.
CAUTION: Never connect fire-
place directly to the propane/LP
supply. This fireplace requires an
external regulator (not supplied).
Install the external regulator be-
tween the fireplace and propane/
LP supply.
CAUTION: Use pipe joint seal-
ant that is resistant to liquid pe-
troleum (LP) gas.
Figure 24 - External Regulator with Vent
Pointing Down
Propane/LP
Supply Tank
External
Regulator
Vent Pointing Down
We recommend that you install a sediment
trap in supply line as shown in Figure 25.
Locate sediment trap where it is within
reach for cleaning. Install in piping system
between fuel supply and fireplace. Locate
sediment trap where trapped matter is not
likely to freeze. A sediment trap traps mois-
ture and contaminants. This keeps them
from going into fireplace gas controls. If
sediment trap is not installed or is installed
wrong, fireplace may not run properly.
CSA Design-
Certified Equipment
Shutoff Valve With
1/8" NPT Tap*
3" Minimum
From
External
Regulator
(11" W.C. to
14 " W.C.
Pressure
Pipe Cap Tee
Nipple Joint
Sediment Trap