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15
107034
OWNER’S MANUAL
For more information, visit www.desatech.com
ON
POSITION
OFF
POSITION
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect fireplace and its individual
equipment shutoff valve from gas sup-
ply piping system. 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
propane/LP supply tank valve.
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.
Open
Closed
Equipment
Shutoff
Valve
Figure 27 - Checking Gas Joints Shown with Optional Mantel
CHECKING GAS
CONNECTIONS
Figure 26 - Equipment Shutoff Valve
Equipment
Shutoff
Valve
Propane/LP
Supply Tank
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.
Test Pressures Equal To or Less Than
1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see
Figure 26).
2. Pressurize supply piping system by ei-
ther using compressed air or opening
propane/LP supply tank valve.
3. Check all joints from propane/LP sup-
ply tank 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.
Pressure Testing Fireplace Gas
Connections
1.
Open equipment shutoff valve (see
Figure 26).
2. Open propane/LP supply tank valve.
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
CAUTION: Make sure external
regulator has been installed be-
tween propane/LP supply and fire-
place. See guidelines under
Con-
necting to Gas Supply
, page 13.
Continued