Desa (V)T32EN-A Series - Manual (Page 19)

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www.desatech.com 116647-01A
CHECKING GAS CONNECTIONS
WARNING: Test all gas piping and connections,
internal and external to unit, for leaks after installing
or servicing. Correct all leaks at once.
WARNING: Never use an open flame to check for a
leak. Apply noncorrosive leak detection fluid 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 (3.5 kPa)
1. Disconnect fireplace and its individual 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.
3. 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.
FIREPLACE INSTALLATION
Continued
FIREPLACE INSTALLATION
Connecting Fireplace To Gas Supply
Checking Gas Connections
CONNECTING FIREPLACE TO GAS SUPPLY
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 gently 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 flexible gas line from gas supply to control valve (see
Figure 32).
4. Check all gas connections for leaks. See Checking Gas
Connections .
Figure 32 - Connecting Flexible Gas Line to Electronic Valve
1/2" NPT Incoming
Gas Line
Inlet Pressure Tap Outlet Pressure Tap
Equipment
Shutoff Valve
Flexible Gas Line
Do NOT Kink
Note: Wire Connections Not Shown for Clarity
Red Surface Indicates
For Propane/LP Use Only
Open
Closed
Equipment
Shutoff
Valve
Figure 33 - Equipment Shutoff Valve
4. Check all joints of gas supply piping system. Apply noncor-
rosive leak detection fluid to all joints. Bubbles forming show
a leak. Correct all leaks at once.
5. Reconnect fireplace and equipment shutoff valve to gas supply.
Check reconnected fittings for leaks.
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Figure 33).
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 or gas meter to equip-
ment shutoff valve (see Figure 34 for propane/LP or Figure 35 for
natural gas). Apply noncorrosive leak detection fluid to all joints.
Bubbles forming show a leak. Correct all leaks at once.
Figure 34 - Checking Gas Joints for Propane/LP Gas Fireplace
Propane/LP
Supply Tank
Gas Valve
Equipment
Shutoff
Valve
Figure 35 - Checking Gas Joints for Natural Gas Fireplace
Gas
Meter
Gas Valve
Equipment
Shutoff
Valve