Regency U39-NG1, U39-LP1 Installation, Conversion To Lower Btu Rating, Gas Pipe Pressure Testing

INSTALLATION

CONVERSION TO LOWER BTU RATING

THIS CONVERSION MUST BE DONE BY A QUALIFIED GAS

FITTER IF IN DOUBT DO NOT DO THIS CONVERSION !!

GAS PIPE PRESSURE

TESTING

The appliance must be isolated from the gas supply piping system by closing its individual

Natural Gas Conversion Kit 730-920 Contains:

Qty. Part # Description

1904-240 Burner Orifi ce #37 (Natural Gas)

1918-034 Decal "Converted to 30,000 Btu"

1918-033 Instruction Sheet

Propane Conversion Kit 730-922 Contains:

Qty. Part # Description

1904-390 Burner Orifi ce #52 (Propane)

1918-034 Decal "Converted to 30,000 Btu"

1918-033 Instruction Sheet

Additional Piece (pkg. with unit):

1Log Bracket Restrictor

1)Shut off the gas supply.

2)Open the front door. Carefully remove the logs and lava rock.

3)Remove burner. See diagram below.

6)Remove burner orifi ce with a 1/2" wrench and discard.

Burner Orifi ce

7)Reinstall new burner orifi ce (NG stamped #37 or LP stamped #52) and tighten.

8)Reverse steps 3) and 2).

9)Adjust Vent restrictor setting: To set the Vent restriction as indicated in the diagram, simply loosen the screws and push the vent restrictorplatetothecorrectposition.Tighten the screws.

Unit	Btu/h	Restrictor Opening
U39	38,000	A	1-3/4" (44mm)
	30,000	B	1-1/4" (32mm)

manual shut-off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig. (3.45 kPa). Disconnect piping from valve at pressures over 1/2 psig.

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

Note: To properly check gas pressure, both inlet and manifold pressures should be checked using the valve pressure ports on the valve.

1)	Make sure the valve is in the "OFF"
	position.
2)	Loosen the "IN" and/or "OUT" pressure
	tap(s), turning counterclockwise with a 1/8"
	wide fl at screwdriver.
3)	Attach manometer to "IN" and/or "OUT"
	pressure tap(s) using a 5/16" ID hose.
4)	Light the pilot and turn the valve to "ON"
	position. Read manometer.
5)	The pressure check should be carried out
	with the unit burning and the setting should
	be within the limits specifi ed on the safety

Note: Use a

magnetic type screwdriver if possible.

label.

6) When fi nished reading manometer, turn

off the gas valve, disconnect the hose and

tighten the screw (clockwise) with a 1/8" fl at

4) Unscrew the 2 Rear Log Pins and move

to the front hole position.

5)Remove Rear Log Bracket and slide

the Log Bracket

Restrictor between theRearLogBracket

and the burner, secure with the 2 screws.

Vent Restrictor set-	Vent Restrictor set-
ting at High Btu/h	ting at Low Btu/h

10)Attach the label "This unit has been converted to..." on top of the Serial # decal over the higher Btu information.

11)Check for gas leaks.

12)Check inlet and outlet pressures.

13)Check operation of fl ame control. Check for proper fl ame appearance and glow on logs.

screwdriver. Note: Screw should be snug,

but do not over tighten

Position the Log Bracket Restrictor between

the Rear Log Bracket and the burner.

Regency® U39 ULTIMATE Direct Vent Freestanding Gas Stove 27