INSTALLATION

Continued

CHECKING GAS CONNECTIONS

WARNING:Testallgaspiping 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 a noncorrosive leak detec- tion fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.

WARNING: For propane/LP units, make sure external regula- tor has been installed between propane/LP supply and heater.

Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)

1.Close equipment shutoff valve (see Figure 17).

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 gas or propane/LP supply to equipment shutoff valve for propane/LP gas (see Figures 18 or 19). Apply noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Open

Equipment

Shutoff

Valve

Closed

Figure 17 - Equipment Shutoff Valve

See guidelines under Installing Gas Piping to Fireplace Loca- tion, page 13.

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

Manual Gas Valve

Equipment Shutoff Valve

Gas Meter

 

shutoff valve from gas supply piping system.

 

Pressures in excess of 1/2 psig 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 or opening main gas valve

 

located on or near gas meter for natural gas,

 

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.

5.

Correct all leaks at once.

6.

Reconnect fireplace and equipment shutoff

 

valve to gas supply. Check reconnected fittings

 

for leaks.

Figure 18 - Checking Gas Joints for

Natural Gas Fireplace

Equipment

Shutoff Valve

Propane/LP

Supply Tank

Manual Gas Valve

Figure 19 - Checking Gas Joints for

Propane/LP Gas Fireplace

113134-01B

www.desatech.com

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Desa VTGF33NRB, VTGF33PRB Checking GAS Connections, Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPa

VTGF33NRB, VTGF33PRB specifications

Desa VTGF33PRB and VTGF33NRB are advanced heating solutions that combine innovative technology and design for optimal performance and user convenience. These models are well-suited for residential and commercial applications, providing efficient heating while enhancing the overall aesthetic of any space.

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