Desa Tech CHDV37P - Manual (Page 20)

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DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP)
CHDV37N/P AND CHDV41N/P
FIREPLACE
INSTALLATION
Continued
Test Pressures Equal To or Less Than 1/2
PSIG (3.5 kPa)
1. Close manual shutoff valve (see Fig-
ure 37).
2. Pressurize supply piping system by ei-
ther opening propane/LP supply tank
valve for propane/LP gas fireplace or
opening main gas valve located on or near
gas meter for natural gas fireplace, or
using compressed air.
3. Check all joints from propane/LP sup-
ply tank or gas meter to manual shutoff
valve (see Figure 38 for propane/LP or
Figure 39 for natural). Apply commer-
cial leak test solution to all gas joints.
Bubbles forming show a leak. Correct
all leaks at once.
Pressure Testing Fireplace Gas
Connections
1. Open manual shutoff valve (see Fig-
ure 37).
2. Open propane/LP supply tank valve for
propane/LP fireplace or main gas valve
located on or near gas meter for natu-
ral gas fireplace.
3. Make sure control knob of fireplace is
in the OFF position.
4. Check all joints from manual shutoff
valve to thermostat gas valve (see Fig-
ure 38 for propane/LP or Figure 39 for
natural). Apply commercial leak test
solution to all gas joints. Bubbles form-
ing show a leak. Correct all leaks at once.
5. Light fireplace (see Operating Fire-
place, pages 25 through 27). Check all
other internal joints for leaks.
6. Turn off fireplace (see To Turn Off Gas
to Appliance, page 25).
Figure 37 - Manual Shutoff Valve
ON
POSITION
OFF
POSITION
Open
Closed
Manual
Shutoff
Valve
Figure 39 - Checking Gas Joints for Natural Gas Fireplace
Figure 38 - Checking Gas Joints for Propane/LP Gas Fireplace
Propane/LP Supply
Tank
Gas Valve
Manual
Shutoff Valve
Gas Meter
Gas Valve
Manual
Shutoff Valve