20
107205
DIRECT-VENT FIREPLACE
For more information, visit www.desatech.com
FIREPLACE
INSTALLATION
Continued
Test Pressures Equal To or Less Than
1/2 PSIG (3.5 kPa)
1.
Close equipment shutoff valve (see Fig-
ure 36).
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 equipment
shutoff valve (see Figure 37 for pro-
pane/LP or Figure 38 for natural). Ap-
ply commercial leak test solution to all
gas joints. Bubbles forming show a
leak. Correct all leaks at once.
Pressure Testing Fireplace Gas
Connections
1.
Open equipment shutoff valve (see Fig-
ure 36).
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 equipment shutoff
valve to thermostat gas valve (see Fig-
ure 37 for propane/LP or Figure 38 for
natural). Apply commercial leak test so-
lution to all gas joints. Bubbles forming
show a leak. Correct all leaks at once.
5.
Light fireplace (see Operating Fire-
place, pages 24 and 25). Check all other
internal joints for leaks.
6.
Turn off fireplace (see To Turn Off Gas
to Appliance, page 24).
Figure 36 - Equipment Shutoff Valve
ON
POSITION
OFF
POSITION
Open
Closed
Equipment
Shutoff
Valve
Figure 38 - Checking Gas Joints for Natural Gas Fireplace
Figure 37 - Checking Gas Joints for Propane/LP Gas Fireplace
Gas Meter
Gas Valve
Equipment
Shutoff
Valve
Propane/LP Supply Tank
Gas Valve
Equipment
Shutoff
Valve
