www.desatech.com
119303-01E
16
and connections, internal and
external to unit, for leaks after
a noncorrosive leak detection
-
1. Disconnect replace with its main gas
valve (control valve) and equipment shut-
off valve from gas supply piping system.
Pressures in excess of 1/2 psig will dam-
age replace regulator.
2. Cap off open end of gas pipe where equip-
ment 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 sys-
tem. Apply noncorrosive leak detection
uid to all joints. Bubbles forming show
a leak.
5. Correct all leaks at once.
6. Reconnect fireplace and equipment
shutoff valve to gas supply. Check recon-
nected ttings for leaks.
1. Close equipment shutoff valve (see Fig-
ure 21).
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.
INSTALLATION
Continued
3. Check all joints from gas meter to equip-
ment shutoff valve for natural gas or pro-
pane/LP supply to equipment shutoff valve
for propane/LP (see Figures 22 and 23).
Apply noncorrosive leak detection uid to
all joints. Bubbles forming show a leak.
4. Correct all leaks at once.
Figure 23 - Checking Gas Joints for
Propane/LP Gas
Propane/LP
Supply Tank
Figure 22 - Checking Gas Joints for
Natural Gas
Gas Control Valve
Equipment Shutoff Valve
Equipment Shutoff Valve
Gas Meter
Gas Control Valve
Figure 21 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff Valve