Regency L900-LP Installation, Gas Line, Pilot Adjustment, High Elevation, Gas Pipe Pressure

	INSTALLATION
	L900-NG SYSTEM DATA		IMPORTANT: Always check for gas leaks	Note: To properly check gas pressure, both
			with a soap and water solution or gas leak		inlet and manifold pressures should
	Min. Supply Pressure	5" WC (1.25 kpa)	detector. Do not use open flame for leak		be checked using the valve pressure
INSTALLATION	Orifi ce Size (Back	#30 DMS	testing.		ports on the valve.
	Low Setting Man.	1.6" WC (0.39 kpa)
	Pressure			1)	Make sure the valve is in the "OFF"
	Max. Manifold	3.5" WC (0.87 kpa)			position.
	Pressure			2)	Loosen the	"IN" and/or		"OUT"	pressure
	Orifi ce Size (Front	#47 DMS
					tap(s), turning counterclockwise with a
	Burner)
					1/8" wide fl at screwdriver.
	Burner)			3)	Attach manometer to "IN" and/or "OUT"
	Minimum Input	11,000 Btu/h			pressure tap(s) using a 5/16" ID hose.
		(3.22 kW)		4)	Light the pilot and turn the valve to "ON"
	Maximum Input	48,000 Btu/h
					position.
		(12.3 kW)
	L900-LP SYSTEM DATA			5)	The pressure check should be carried out
	Min. Supply Pressure	12" WC (2.98 kpa)			with the unit burning and the setting should
					be within the limits specifi ed on the safety
	Low Setting Man.	3.6" WC (2.49 kpa)			label.
	Pressure			6)	When fi nished		reading	manometer, turn
	Max. Manifold	10" WC (2.98 kpa)	PILOT ADJUSTMENT
					off the gas valve, disconnect the hose and
	Pressure
					tighten the screw (clockwise) with a 1/8" fl at
	Orifi ce Size (Front	#56 DMS			screwdriver. Note: Screw should be snug,
	Burner)				but do not over tighten.
	Orifi ce Size (Back	#50 DMS
	Burner)				SIT 825 VALVE DESCRIPTION
	Minimum Input	9,500 Btu/h
		(2.64 kW)		1)	Gas on/off knob
	Maxiumm Input	46,500 Btu/h
				2)	Electronically Operated Hi/Lo
		(11.72 kW)
				3)	Pilot Adjustment
				4) Thermocouple Connection - option
			Periodically check the pilot flames. Correct	5)	Outlet Pressure Tap
			flame pattern has three strong blue flames:	6)	Inlet Pressure Tap
	HIGH ELEVATION		1 flowing around the thermopile, 1 around	7)	Pilot Outlet
			the thermocouple and 1 flowing across the	8)	Main Gas Outlet
	This unit is approved in Canada for altitude 0		burner (it does not have to be touching the	9)	Alternative TC Connection Point
			burner).
	to 4500 ft. (CAN1 2.17-M91).					1	2	3	4
			Note: If you have an incorrect flame pattern,
	GAS LINE		contact your Regency® dealer for
			further instructions.
	INSTALLATION		Incorrect flame pattern will have small,
			probably yellow flames, not coming into
	Since some municipalities have additional		proper contact with the rear burner or		IN		OUT
	local codes it is always best to consult with		thermopile or thermocouple.		6	5
	your local authorities and the CAN/CGA B149
	installation code.		GAS PIPE PRESSURE
	For USA installations follow local codes and/or
			TESTING
	the current National Fuel Gas Code, ANSI
	Z223.1.

	The appliance must be isolated from the gas
When using copper or fl ex connectors use only	supply piping system by closing its individual
approved fi ttings. Always provide a union so	manual shut-off valve during any pressure
that gas lines can be easily disconnected for	testing of the gas supply piping system at
servicing. Flare nuts for copper lines and fl ex	test pressures equal to or less than 1/2 psig.
connectors are usually considered to meet this	(3.45 kPa). Disconnect piping from valve at
requirement.	pressures over 1/2 psig.

Themanifoldpressureiscontrolledbyaregulator built into the gas control, and should be checked at the pressure test point.

26 Regency® L900 Direct Vent Gas Fireplace