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TO 30,000 BTU/HR
INSTALLATION
Continued
CONNECTING TO GAS
SUPPLY
NOTICE: A qualified service per-
son must connect heater to gas
supply. Follow all local codes.
CAUTION: Never connect
heater directly to the propane/LP
supply. This heater requires an
• external regulator (not supplied).
Install the external regulator be-
tween the heater and propane/LP
supply.
The installer must supply an external regu-
lator. The external regulator will reduce
incoming gas pressure. You must reduce
incoming gas pressure tobetween 11and 14
inches of water. If you do notreduce incom-
ing gas pressure, heater regulator damage
could occur. Install external regulator with
the vent pointing down as shown in Figure
20. Pointing the vent down protects it from
freezing rain or sleet.
CAUTION: Use only new,
black Iron or steel pipe. Inter-
nally-tlnned copper tubing may
be used in certain areas. Check
your local codes. Use pipe of 1/2"
or greater diameter to allow
proper gas volume to heater. If
pipe is too small, undue loss of
pressure will occur.
Installation must include a manual 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 21).
Apply pipe joint sealant lightly to male
threads. This will prevent excess sealant
from going into pipe. Excess sealant inpipe
could result in clogged heater valves.
_lb CAUTION: Use pipe joint seal-
ant that Is resistant to liquid pe-
troleum (LP) gas.
Install sediment trap in supply line as shown
in Figure 21. Locate sediment trap where it
is within reach for cleaning. Locate sedi-
ment 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.
IMPORTANT: Hold pressure regulator
with wrench when connecting it to gas pip-
ing and/or fittings.
Pressure
Regulator
Propane/LP
Supply Tank
External
Regulator
Vent
Poirting
Down
Figure 20 - External RegulMor with Vent
Pointing Down
Note: Burnerbracket
notshownforclarity
3/8" NPT
F Tee Joint
Test | Reducer
Gauge ,_ Bushingto
Condition* I 1/8" NPT
11/8" NPT
L. PlugTap
-Tee Joint
Sediment I -.
Tr _ Fipe
ap -] Nipple
L Cap
Joint
Minimum
Manual
- Shutoff
Valve *
Heater
Cabinet
From External
Regulator (11"
W.C. to 14"W.C.
Pressure)
Figure 21 - Gas Connection
* An A.G.A. design-certified manual shutoff valve with 1/8" _ tap is an acceptable
alternative to test gauge connection. Purchase the optional A.G.A. design-certified manual
shutoff valve from your dealer. See Accessories, page 21.
12 fO4,U_