Checking Gas Connections - Desa A Series Owner's Operation And Installation Manual

INSTALLATION
Continued
NOTICE: Most building codes do
not permit concealed gas con-
nections. A flexible gas line is
provided to allow accessibility
from the fireplace (see Figure 32).
The flexible gas supply line con-
nection to the manual shutoff
valve should be accessible.
4. Attach a 45° flare union gas connector
to flexible gas line from gas supply (see
Figure 32). Connect flare union to flex-
ible gas line attached to gas regulator
of fireplace (see Figure 32).
5. Check all gas connections for leaks. See

Checking Gas Connections.

6. Replace log base assembly back into
fireplace. Feed flexible gas line into fire-
place base area while replacing log base
assembly. Make sure the entire flexible
gas line is in fireplace base area. Reat-
tach log base assembly to fireplace with
screws removed in step 2, page 14.
Figure 31 - Removing Log Base Assembly
From Fireplace
Flexible Gas Line from
To Fireplace
Manual Shutoff Valve
Gas Regulator
Provided by Installer
Flare
Union
Flexible Gas Line
from Fireplace Gas
Regulator Provided
with Fireplace
Figure 32 - Attaching Flexible Gas Lines Together
104410
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
1. Disconnect fireplace and its individual
manual shutoff valve from gas supply pip-
ing system. Pressures in excess of 1/2 psig
will damage fireplace gas regulator.
2. Cap off open end of gas pipe where
manual 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 fireplace and manual shutoff
valve to gas supply. Check reconnected
fittings for leaks.
Test Pressures Equal To or Less Than
1/2 PSIG
1. Close manual shutoff valve (see Fig-
ure 33).
2. Pressurize supply piping system by ei-
ther using compressed air or opening
propane/LP supply tank valve.
3. Check all joints from gas meter to manual
shutoff valve (see Figure 34). Apply mix-
ture of liquid soap and water to gas joints.
Bubbles forming show a leak.
4. Correct all leaks at once.
Manual
Shutoff
To Gas
Valve
Supply
OWNER'S MANUAL
Pressure Testing Fireplace Gas
Connections
1.
2.
3.
4.
5.
6.
7.
Figure 33 - Manual Shutoff Valve
Figure 34 - Checking Gas Joints
15
Open manual shutoff valve (see Fig-
ure 33).
Open propane/LP supply tank valve.
Make sure control knob of fireplace is
in the OFF position.
Check all joints from manual shutoff
valve to thermostat gas valve (see Fig-
ure 34). Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
Correct all leaks at once.
Light fireplace (see Operating Fire-
place, pages 17 and 18 [Thermostat-
controlled models] or pages 18 and 19
[Manually-controlled models]). Check
all other internal joints for leaks.
Turn off fireplace (see To Turn Off Gas
to Appliance, page 18 [Thermostat-con-
trolled models] or page 19 [Manually-
controlled models]).
Manual
Shutoff
Valve
Manual
Shutoff Valve
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Manual
Gas Valve
Open
ON
POSITION
OFF
Closed
POSITION
Propane/LP
Supply Tank
Continued