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119315-01A 15
INSTALLATION
Continued
and connections, internal and
external to unit, for leaks after
a noncorrosive leak detection
-
CAUTION: Make sure exter-
under Connecting to Gas Sup-
ply
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 all
joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Reconnect replace and equipment shutoff
valve to gas supply. Check reconnected t-
tings for leaks.
1. Close equipment shutoff valve (see Figure 16).
2. 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.
3. Check all joints from gas meter to equipment
shutoff valve for natural gas or propane/LP
supply to equipment shutoff valve for
propane/LP (see Figures 17 or 18). Apply
noncorrosive leak detection uid to all joints.
Bubbles forming show a leak.
4. Correct all leaks at once.
Figure 16 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff Valve
Figure 17 - Checking Gas Joints
(Propane/LP Only)
Propane/LP
Supply Tank
Equipment
Shutoff Valve
Gas Valve
Equipment
Shutoff Valve
Gas
Meter
Figure 18 - Checking Gas Joints (Natural
Gas Only)
Gas Regulator or
Gas Control Valve