Desa UNVENTED (VENT-FREE) PROPANE GAS LOG HEATER Installing, Continued, Checking Gas Connections

Models: UNVENTED (VENT-FREE) PROPANE GAS LOG HEATER

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INSTALLING

INSTALLING

 

WARNING ICONG 001CAUTION

Continued

 

Avoid damage to regulator. Hold gas regulator with wrench when

 

connecting it to gas piping and/or fittings.

 

 

A.G.A. Design-Certified

 

 

Manual Shutoff Valve

 

From

With 1/8" NPT Tap*

 

External Regulator

Approved Flexible

 

Gas Hose (if allowed

 

(11" W.C.** to

 

by local codes)

 

14" W.C.

 

 

 

Pressure)

Gas

 

 

 

 

Regulator

Tee Joint

 

Pipe

3" Minimum

Nipple

Cap

 

Sediment

Figure 14 - Gas Connection

Trap

 

*Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories, page 33.

**Minimum inlet pressure for purpose of input adjustment.

CHECKING GAS CONNECTIONS

CHECKING GAS CONNECTIONS WARNING

WARNING ICONG 001

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

Manual background WARNING

WARNING ICONG 001

Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once.

Manual background CAUTION

WARNING ICONG 001

Make sure external regulator has been installed between propane supply and heater. See guidelines under Connecting to Gas Sup- ply, page 15.

Pressure Testing gas Supply Piping system

Test Pressures In Excess Of 1/2 PSIG

1. Disconnect heater and its individual manual shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator.

2. Cap off open end of gas pipe where manual shutoff valve was connected.

Continued

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Desa UNVENTED (VENT-FREE) PROPANE GAS LOG HEATER installation manual Installing, Continued, Checking Gas Connections