Fireplace installation – Desa (V)TC36NE SERIES User Manual

Page 23

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116234-01F

23

FIREPLACE

INSTALLATION

Continued

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 equip-

ment 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.

4. Check all joints of gas supply piping system.

Apply noncorrosive 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 equipment shutoff valve (see

Figure 34 or Figure 35). Apply noncorrosive

leak detection fluid to all joints. Bubbles

forming show a leak. Correct all leaks at

once.

Figure 33 - Equipment Shutoff Valve

Open

Closed

Equipment
Shutoff Valve

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

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

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