Checking GAS Connections

INSTALLATION

Continued

		CSA Design-Certified Equipment
	PROPANE/LP	Shutoff Valve With 1/8" NPT Tap*
	From External
	Regulator
	(11" W.C.**	Approved Flexible
	to 14" W.C.	Approved Flexible
	to 14" W.C.	Gas Hose (if allowed
	Pressure)	Gas Hose (if allowed
	Pressure)	by local codes)
		by local codes)
	NATURAL
	From Gas	3" Minimum
	Meter	3" Minimum
	(5" W.C.**
	to 10.5" W.C.
	Pressure)	Gas Regulator
		Gas Regulator

Tee Cap Pipe

Joint Nipple

Sediment Trap

Figure 16 - Gas Connection (Variable Manually-Controlled and Thermostatically-Controlled Models Only)

INSTALLATION	13
Connecting to Gas Supply (Cont.)	13
Checking Gas Connections

WARNING: Test all gas piping and connections, internal and external to unti, 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 heater. See guidelines under Connecting to Gas Supply, page 12.

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 sys-
	tem. Pressures in excess of 1/2 psig will damage heater regulator.
2.	Cap off open end of gas pipe where equipment shutoff valve
	was connected.

CSA Design-Certified Equipment Shutoff Valve With 1/8" NPT Tap*

Approved Flexible Gas Hose (if allowed by local codes)

3" Minimum

PROPANE/LP - From External Regulator (11" W.C.**

to 14" W.C. Pressure)

NATURAL - From Gas Meter

(5" W.C.**

to 10.5" W.C. Pressure)

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 noncorrosive
	leak detection fluid to all 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 18, page 14).
2.	Pressurize supply piping system by either opening propane/LP sup-
	ply tank valve for propane/LP gas or opening main gas valve lo-

Gas Control	Pipe Cap	Tee
Gas Control	Nipple	Joint
	Nipple	Joint

Sediment Trap

Figure 17 - Gas Connection (Remote-Ready Models Only)

*Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, page 36.

**Minimum inlet pressure for purpose of input adjustment.

	cated on or near gas meter for natural gas, or using compressed air.
3.	Check all joints from gas meter to equipment shutoff valve for
	natural gas or propane/LP supply to equipment shutoff valve
	for propane/LP (see Figure 19, page 14). Apply noncorrosive
	leak detection fluid to all joints. Bubbles forming show a leak.
4.	Correct all leaks at once.