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

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

WARNING

WARNING ICONG 001

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

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.

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 17

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