Desa BHDV41N/P - Manual (Page 19)

19 105540
OWNER’S MANUAL
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect fireplace and its individual
manual 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
manual 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 manual 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 37). Connect flare union to flex-
ible gas line attached to gas regulator
of fireplace (see Figure 37).
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
Manual Shutoff Valve
Provided by Installer
Manual Shutoff Valve
To Gas
Supply
(Natural)
To External
Regulator
(Propane/LP)
Figure 37 - 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 manual shutoff
valve to gas supply. Check reconnected
fittings for leaks.