Checking GAS Connections

16	INSTALLATION
	Checking Gas Connections

INSTALLATION

Continued

WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once.

WARNING: Never use an open flame to check for a leak. Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.

CAUTION: Make sure external regulator has been installed between propane/LP supply and fireplace. See guidelines under Connecting to Gas Supply, page 14.

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. Pres- sures in excess of 1/2 psig will damage fireplace 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 sup- ply tank valve for propane/LP gas or opening main gas valve lo- cated on or near gas meter for natural gas, or using compressed air.

4.Check all joints of gas supply piping system. Apply a noncor- rosive leak detection fluid to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Reconnect heater 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 27).

2.Pressurize supply piping system by either opening propane/ LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas, or using compressed air.

3.Check all joints from gas meter for natural or propane/LP sup- ply to equipment shutoff valve (see Figures 28 and 29). Apply a noncorrosive leak detection fluid to gas joints. Bubbles form- ing show a leak.

4.Correct all leaks at once.

Pressure Testing Fireplace Gas Connections

1.Open equipment shutoff valve (see Figure 27).

2.Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve.

3.Make sure control knob of fireplace is in the OFF position.

4.Check all joints from equipment shutoff valve to thermostat gas valve. Apply a noncorrosive leak detection fluid to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light fireplace (see Operating Fireplace, pages 17 and 18). Check all other internal joints for leaks.

7.Turn off fireplace (see To Turn Off Gas to Appliance, page 18).

8.Replace front panel.

Open

Equipment Shutoff

Valve

Closed

Figure 27 - Equipment Shutoff Valve

Equipment Shutoff Valve

Propane/LP

Supply Tank

Figure 28 - Checking Gas Joints for Propane/LP Gas (Shown with Optional Mantel)

Equipment Shutoff Valve

Gas Meter

Figure 29 - Checking Gas Joints for Natural Gas (Shown with Optional Mantel)

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111043-01A

WMH26TNB specifications

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