FIREPLACE INSTALLATION

Installing Gas Piping to Fireplace Location (Cont.) Connecting Fireplace to Gas Supply Checking Gas Connections

19

FIREPLACE INSTALLATION

Continued

WARNING: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.

We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 31. Locate sediment trap/drip leg where it is within reach for cleaning. Install in piping system between fuel supply and fireplace. Locate sediment trap/drip leg where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into fireplace gas con- trols. If sediment trap/drip leg is not installed or is installed wrong, fireplace may not run properly.

CSA Design-Certified

Equipment Shutoff Valve

with 1/8" NPT Tap*

 

Red Surface Indicates

Equipment

For Propane/LP Use Only

Flexible Gas Line

Shutoff Valve

Do NOT Kink

1/2" NPT Incoming

 

 

Gas Line

Inlet Pressure Tap

Outlet Pressure Tap

 

Note: Wire Connections Not Shown for Clarity

Figure 32 - Connecting Flexible Gas Line to Electronic Valve

CHECKING GAS CONNECTIONS

Approved Flexible

Gas Line

3" Minimum

Natural - From Gas Meter (5.5" W.C. to 10.5"

W.C. Pressure)

Propane/LP From External Regulator (11" W.C. to 14" W.C. Pressure)

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

Cap Pipe Nipple Tee Joint

Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)

Figure 31 - Gas Connection

Sediment Trap/Drip Leg

1. Disconnect fireplace and its individual equipment shutoff valve

from gas supply piping system. Pressures in excess of 1/2 psig

*The CSA design-certified equipment shutoff valve may be sup- plied with the appliance or you can purchase it from your retailer.

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 Con- nections.

 

(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 fire-

 

place, or using compressed air.

4.

Check all joints of gas supply piping system. Apply noncorro-

 

sive 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 sup-

 

ply. Check reconnected fittings for leaks.

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Desa K42EN, K42EP Checking GAS Connections, Connecting Fireplace to GAS Supply, Pressure Testing Gas Supply Piping System