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111161-01H14
INSTALLATION
Continued
* Purchase the optional CSA design-certified
equipment shutoff valve from your dealer. See
Accessories, page 34.
** Minimum inlet pressure for purpose of input
adjustment.
Figure 14 - Gas Connection
Gas
Control
3" Minimum
CSA Design-
Certied Equipment
Shutoff Valve With
1/8" NPT Tap*
Approved
Flexible
Gas Hose (if
allowed by
local codes)
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
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.
and connections, internal and
external to unit, for leaks after
WARNING: Never use an
-
leaks at once
CAUTION: Make sure exter-
Con-
necting to Gas Supply
1. Disconnect appliance with its appliance main
gas valve (control valve) and equipment
shutoff valve from gas supply piping system.
Pressures in excess of 1/2 psig will damage
heater regulator.
2. Cap off open end of gas pipe where equipment
shutoff valve was connected.
3. Pressurize supply piping system by either
opening propane/LP supply tank valve for
propane/LP gas or opening main gas valve
located on or near gas meter for natural gas
or using compressed air.
4. Check all joints of gas supply piping system.
Apply noncorrosive leak detection uid to gas
joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6.
Reconnect heater and equipment shutoff
valve to gas supply. Check reconnected t-
tings for leaks.