Desa BHDV37NC - Manual (Page 19)

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OWNER’S MANUAL
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect appliance with its appliance
main gas valve (control valve) and
equipment shutoff valve from gas
supply piping system. Pressures in
excess of 1/2 psig (3.5 kPa) will damage
fireplace gas regulator.
2. Cap off open end of gas pipe where
equipment shutoff valve was connected.
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
commercial leak test solution to
all gas joints. Bubbles forming
show a leak. Correct all leaks at
once.
Installation Items Needed
• 5/16" hex socket wrench or nut-driver
• sealant (resistant to propane/LP gas, not
provided)
1. Open lower louver door panel by gen-
tly pulling forward.
2. Route flexible gas line (provided by
installer) from equipment shutoff valve
to fireplace. Route flexible gas supply
line through one of the access holes on
side of fireplace.
3. Attach a 45
°
flare union gas connector
to flexible gas line from gas supply (see
Figure 36). Connect flare union to flex-
ible gas line attached to gas regulator
of fireplace (see Figure 36).
4. Check all gas connections for leaks. See
Checking Gas Connections.
CONNECTING FIREPLACE
TO GAS SUPPLY
FIREPLACE
INSTALLATION
Continued
Flare Union
To Fireplace
Gas Valve
Flexible Gas Line from
Fireplace Gas Valve
Provided with Fireplace
Flexible Gas Line from
Equipment Shutoff Valve
Provided by Installer
Equipment Shutoff Valve
To Gas
Supply
(Natural)
To External
Regulator
(Propane/LP)
Figure 36 - Attaching Flexible Gas Lines Together
Continued
3. 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.
4. Check all joints of gas supply piping
system. Apply commercial leak test
solution to all gas joints. Bubbles form-
ing show a leak. Correct all leaks at
once.
5. Reconnect fireplace and equipment
shutoff valve to gas supply. Check re-
connected fittings for leaks.