Desa T32N-a SERIES - Manual (Page 22)

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Test Pressures Equal To or Less Than
1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Figure 34).
2. Pressurize supply piping system by either
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 supply tank
for propane/LP or gas meter for natural gas to
equipment shutoff valve (see Figure 35 or Figure
36). Apply noncorrosive leak detection fluid to
all joints. Bubbles forming show a leak. Correct
all leaks at once.
Open
Closed
Equipment
Shutoff Valve
Figure 34 - Equipment Shutoff Valve
pRESSURE TESTING FIREpLACE GAS
CONNECTIONS
1. Open equipment shutoff valve (see Figure 34).
2. Open main gas valve located on or near gas
meter for natural gas or open supply tank
valve for propane/LP gas.
3. Make sure control knob of fireplace is in the
OFF position.
4. Check all joints from equipment shutoff valve
to gas valve (see Figure 35 or Figure 36).
Apply noncorrosive leak detection fluid to all
joints. Bubbles forming show a leak. Correct
all leaks at once.
5. Light fireplace (see Operating Fireplace,
page 26). Check all other internal joints for
leaks.
6. Turn off fireplace (see To Turn Off Gas to Appli-
ance, page 27).
INSTALLING OpTIONAL WALL
MOUNT SWITCH - GWMS2
1. Connect one terminal of 25 ft. wire for the
wall switch to the TPTH terminal on the
valve. Connect remaining wire terminal to the
TH terminal on the valve. Make sure that the
wire terminals are in the positions on the unit
as pictured in Figure 37. If wires are not con-
nected as shown the switch will not work.
2. Route the 25 ft. wire through openings pro-
vided on the sides of the burner system to a
convenient location to mount your switch.
3. Connect one bare wire end to each of the
terminals of the GWMS2 wall switch.
4. Install the wall switch and cover in the wall.
Figure 35 - Checking Gas Joints for
Propane/LP Gas Fireplace
Propane/LP
Supply Tank
Gas Valve
Equipment Shutoff Valve
Figure 36 - Checking Gas Joints for
Natural Gas Fireplace
Gas
Meter
Gas Valve
Equipment Shutoff Valve
Figure 37 - Connecting Wall Switch to
Control Valve
To Wall
Switch
Accessory
FIREplaCE
INSTallaTION
Continued