White Rodgers 764-700 Manuale utente

Printed in U.S.A.

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY

BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE

PERSONAL INJURY AND/OR PROPERTY DAMAGE.

DESCRIPTION

Operator: Save these instructions for future use!

Ideal for use on wall heaters, space heaters, consoles,

etc., this gas pilot safety valve provides 100% shut-off of

bothpilotandmainburnergassupplyintheeventofpilot

flamefailure.Thisvalveisequipped with a3-positiongas

control knob to provide for pilot lighting. This control also

allows pilot flame adjustment.

If the pilot flame goes out during normal operation, or if

there is insufficient pilot flame to provide proper thermo-

couple output, the safety valve will close, stopping the

flow of all gas. This valve is designed for use on all

domestic heating gases up to 1⁄2” PSI.

764-700 to 764-759

Dual Inlet Gas Pilot Safety Valve

(Thermocouple-Operated)

WHITE-RODGERS DIVISION

EMERSON ELECTRIC CO.

9797 REAVIS ROAD

ST. LOUIS, MISSOURI 63123-5398

INSTALLATION INSTRUCTIONS

WHITE-RODGERS

Thermocouple

connection

DUAL INLET

(NOTE: One inlet to be plugged)

Gas control

knob

Pilot adjust

cover screw

Outlet

Inlet

Pilot gas

tapping

Inlet

SPECIFICATIONS

Capacity (for AGA natural gas at 1” drop):

3⁄8” x 3⁄8” size:

side inlet – 112,000 BTU/hr.

bottom inlet – 107,000 BTU/hr.

1⁄2” x 1⁄2” size:

side inlet – 124,000 BTU/hr.

bottom inlet – 118,000 BTU/hr.

Pilot connection: 1⁄4” tubing

Pressure: 1⁄2” PSI maximum

Ambient Rating: -40°Fto 250°F operating temperature

Mounting Position: Multipoise

Ignition Source: Pilot

Type of gas: Suitable for all domestic heating gases

Thermocouple: Use W.R. Type H06E

Accessories: Item Part No.

Replacement Knob F42-0895

Stem Extender F145-1111

Approvals: ANSI Z21.78 Combination Gas Control

CAN 1-6.4

CAN 1-9.1

PART NO. 37-5234E

Replaces 37-5234D

9502

DO NOT USE THESE GAS VALVES WITH

UNVENTED APPLICATIONS.

CAUTION

INSTALLATION

These gas valves should be installed according to the

following instructions. Check for gas leaks with a soap

solution after completing installation.

Never use flame to detect leaks.

Do not leave unused inlet unplugged.

DO NOT USE THESE GAS VALVES WITH

UNVENTED APPLICATIONS.

MAIN PIPING CONNECTIONS

1. Besurethemaingassupplyisshutoffbeforestarting

theinstallation.Thegasvalvemaybeinstalledinany

position, but it should be located so that the gas

control knob is easily accessible.

2. Direction of gas flow is indicated by the directional

arrow on the outlet boss.

3. You should use new pipe, which has been properly

chamfered and reamed. If you use old pipe, be sure

it is clean and free of rust, scale, burrs, chips and old

pipe joint compound.

4. Ifthesideinletistobeused,itisnecessarytoremove

the plug and install it in the bottom inlet. This proce-

dure requires a 5⁄16” Allen wrench. Be sure the end of

the plug is free of burrs, chips, etc. Before installing

plug, apply pipe joint compound (pipe dope) that is

approvedforallgases,onlytothemalethreadsofthe

plug. DO NOT apply compound to first two threads.

Do not overtighten the plug.

5. Apply pipe joint compound (pipe dope) that is ap-

proved for all gases, only to the male threads of pipe

joints. DO NOT apply compound to first two threads.

Do not thread pipe too far.

Applyingpipe jointcompoundto pipethreadswill prevent

chips from passing onto internal valve parts, since the

pipe joint compound will collect and retain chips that are

formed as the pipe is threaded into the body.

6. Ifaviseoropen-endwrenchisusedtoholdthecontrol

while installing piping, do not tighten excessively, as

this may damage the control.

PILOT GAS CONNECTION

Install the fitting into the pilot gas tapping, turning until

finger-tight. Insert clean, deburred tubing all the way

through the fitting. Holding the tubing securely, slowly

tightenthefittinguntilaslight“give”isfelt.Thentightenan

additional 11⁄2turns.

THERMOCOUPLE

The thermocouple connector should be clean for good

electrical contact. Run the thermocouple nut into the

thermocouple connection as far as possible by hand.

Then set the nut with 1⁄4to 1⁄2additional turn using a small

wrench. Do not overtighten.

NOTE

CAUTION

FOR YOUR SAFETY READ BEFORE LIGHTING

WARNING

If you do not follow these instructions exactly, a fire or explosion

may result causing property damage, personal injury or loss of life.

A. This appliance has a pilot which must be lighted by hand.

When lighting the pilot, follow these instructions exactly.

B. BEFORE LIGHTING smell all around the appliance area for

gas. Be sure to smell next to the floor because some gas is

heavier than air and will settle on the floor.

FOR YOUR SAFETY

“WHAT TO DO IF YOU SMELL GAS”

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any

phone in your building.

• Immediately call your gas supplier from a neighbor's

phone. Follow the gas supplier's instructions.

• If you cannot reach your gas supplier, call the fire

department.

C. Use only your hand to push in or turn the gas control knob.

Never use tools. If the knob will not push in or turn by hand,

don't try to repair it, call a qualified service technician. Force

or attempted repair may result in a fire or explosion.

D. Do not use this appliance if any part has been under water.

Immediately call a qualified service technician to inspect the

appliance and to replace any part of the control system and

any gas control which has been under water.

PILOT LIGHTING PROCEDURE

1. Turn the gas control knob to the OFF position (it will

be necessary to depress the knob slightly at the

PILOTposition). Allowfiveminutes foranygas inthe

combustion chamber to escape (LP gas, which is

heavier than air, may require forced ventilation).

2. Turn the gas control knob to the PILOT position.

3. Push down on the gas control knob and light the pilot

immediately. Hold the knob down for one full minute

after lighting the pilot.

4. Whenthegascontrolknobisreleased,thepilotflame

should continue to burn (if the pilot goes out, repeat

the above steps).

5. Rotate the gas control knob from PILOT to ON

position (full counterclockwise position) to

supply full flow to main burner.

NotturningthegascontrolknobtothefullON positionwill

reduce the flow and could result in poor ignition of main

burner.

PILOT FLAME ADJUSTMENT

These controls are factory preset and will not normally

require additional adjustment of the pilot flame. If field

adjustment of the pilot flame is required, remove the pilot

adjust cover screw to expose the adjusting screw. Turn

theadjustingscrewclockwise( ) toreduceflame,

or counterclockwise ( ) to increase flame. Re-

place pilot adjust cover screw and tighten securely.

TESTING

After completing the installation, check for proper opera-

tionbyturningthegascontrolknobtothePILOTposition.

Withthepilotlit,loosenthethermocoupleconnection.The

pilotshouldimmediatelygoout.Turnthegascontrolknob

to the OFF position and retighten the thermocouple con-

nection.

Allow five minutes before relighting the pilot.

NOTE

If you need further information about this product, please write to:

White-Rodgers Division, Emerson Electric Co.

9797 Reavis Road

St. Louis, MO 63123-5398

Atttention: Technical Service Department

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