INSTALLATION

 

 

 

 

 

 

 

 

L676-NG SYSTEM DATA

Important:Always check for gas leaks with a

Note: To properly check gas pressure, both

 

soap and water solution or gas leak detector.

 

inlet and manifold pressures should

 

Min. Supply Pressure

5" WC (1.25 kpa)

Do not use open flame for leak testing.

 

be checked using the valve pressure

INSTALLATION

Orifi ce Size (Back

#34 DMS

 

 

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

#48 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

42,000 Btu/h

 

 

 

 

position.

 

 

 

 

 

 

(12.3 kW)

 

 

 

 

 

 

 

 

L676-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

#53 DMS

 

 

 

 

 

 

 

 

Burner)

 

 

 

SIT 825 VALVE DESCRIPTION

 

Minimum Input

9,000 Btu/h

 

 

 

 

(2.64 kW)

 

1)

Gas on/off knob

 

 

 

 

Maxiumm Input

40,000 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.

 

 

 

 

 

 

 

your local authorities and the CAN/CGA B149

 

 

6

5

 

 

 

 

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.

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Regency® L676 Direct Vent Gas Fireplace

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Regency L676 installation manual GAS Line