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107108
OWNER’S MANUAL
For more information, visit www.desatech.com
ON
POSITION
OFF
POSITION
Open
Closed
Equipment
Shutoff Valve
Figure 26 - Equipment Shutoff Valve
Gas Meter
Figure 27 - Checking Gas Joints
Equipment
Shutoff
Valve
Test Pressures Equal To or Less Than
1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Fig-
ure 26).
2. Pressurize supply piping system by ei-
ther using compressed air or opening
main gas valve located on or near gas
meter.
3. Check all joints from gas meter to
equipment shutoff valve (see Figure
27). Apply mixture of liquid soap and
water to gas joints. Bubbles forming
show a leak.
4. Correct all leaks at once.
CHECKING GAS
CONNECTIONS
WARNING: Test all gas pip-
ing and connections for leaks
after installing or servicing. Cor-
rect all leaks at once.
WARNING: Never use an open
flame to check for a leak. Apply a
mixture of liquid soap and water
to all joints. Bubbles forming
show a leak. Correct all leaks at
once.
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect appliance with its appliance
main gas valve (control valve) and
equpment shutoff valve from gas sup-
ply piping. Pressures in excess of 1/2 psig
will damage fireplace regulator.
2. Cap off open end of gas pipe where
equipment shutoff valve was connected.
3. Pressurize supply piping system by ei-
ther using compressed air or opening
main gas valve located on or near gas
meter.
4. Check all joints of gas supply piping
system. Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
5. Correct all leaks at once.
6. Reconnect heater equipment shutoff
valve to gas supply. Check reconnected
fittings for leaks.
Pressure Testing Fireplace Gas
Connections
1. Open equipment shutoff valve (see Fig-
ure 26).
2. Open main gas valve located on or near
gas meter.
3. Make sure control knob of fireplace is
in the OFF position.
4. Check all joints from equipment shutoff
valve to thermostat gas valve (see Fig-
ure 27). Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
5. Correct all leaks at once.
6. Light fireplace (see Operating Fire-
place, pages 18 through 20). Check all
other internal joints for leaks.
7. Turn off fireplace (see To Turn Off Gas
to Appliance, page 19).
8. Replace front panel.
INSTALLATION
Continued
Continued