Honeywell VS8421 Скачать руководство пользователя страница 3 | Manualshive

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Honeywell VS8421 Скачать руководство пользователя страница 3

VS8421 VENTFREE MILLIVOLT GAS VALVE

3

69-1219—1

Fig. 3. Top view of gas valve with HI/LO regulator.

Fig. 4. Top view of gas valve with standard regulator.

Fig. 5. Proper use of wrench on gas valve.

M12670

HI/LO
REGULATOR

WIRING
TERMINALS

INLET
PRESSURE TAP

OUTLET
PRESSURE
TAP

GAS
CONTROL KNOB

OFF

PILOT

ON

PRESSURE
REGULATOR
ADJUSTMENT
(UNDER CAP SCREW)

M12673

WIRING
TERMINALS

INLET
PRESSURE TAP

OUTLET
PRESSURE
TAP

GAS
CONTROL KNOB

OFF

PILOT

ON

PIEZO SPARKER

APPLY WRENCH
FROM BOTTOM OF
GAS CONTROL TO
SHADED AREA

M12679

69-1219-1.fm Page 3 Thursday, August 18, 2011 7:32 AM

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Содержание VS8421

Страница 1: ...icate C2030022 European Community CE Certificate Applied for INSTALLATION When Installing this Product 1 Read these instructions carefully Failure to follow them could damage the product or cause a hazardous condition 2 Check the ratings given in the instructions and on the product to make sure the product is suitable for your application 3 Installer must be a trained experienced service technicia...

Страница 2: ...lies Tubing installation must comply with approved standards and practices 1 Use new properly reamed pipe free from chips When tubing is used assure the ends are square deburred and clean All tubing bends must be smooth and without deformation 2 Run pipe or tubing to the valve If tubing is used obtain a tube to pipe coupling to connect the tubing to the valve 3 Install sediment trap in the supply ...

Страница 3: ...s valve M12670 HI LO REGULATOR WIRING TERMINALS INLET PRESSURE TAP OUTLET PRESSURE TAP GAS CONTROL KNOB OFF PILOT ON PRESSURE REGULATOR ADJUSTMENT UNDER CAP SCREW M12673 WIRING TERMINALS INLET PRESSURE TAP OUTLET PRESSURE TAP GAS CONTROL KNOB OFF PILOT ON PIEZO SPARKER APPLY WRENCH FROM BOTTOM OF GAS CONTROL TO SHADED AREA M12679 69 1219 1 fm Page 3 Thursday August 18 2011 7 32 AM ...

Страница 4: ...he pilot burner The piezo creates a spark when the plunger is depressed The connecting wires of the piezo include a terminal to connect to the electrode of the pilot burner The piezo is replaceable Refer to the installation instructions for the piezo envelope assembly part no 396079 form 69 1206 Fig 6 Millivolt system wiring diagram with ODS pilot burner Pilot Gas Lighting Procedure Lighting Stand...

Страница 5: ...rate using the meter clocking method or measure the pressure by attaching a plastic tube with a 1 4 in shell ID to the manometer and connecting the manometer to the outlet pressure tap on the gas valve See Fig 4 3 If necessary adjust the pressure regulator to match the appliance rating See Table 1 for factory set nominal outlet pressure and adjustment range a Remove the pressure regulator adjustme...

Страница 6: ...pliance being checked NOTE Other appliances must remain off with the pilots extinguished or the consumption must be deducted from the meter reading 2 Convert the flow rate to Btuh as described in the Gas Controls Handbook form 70 2602 3 Compare to the Btuh input rating on the appliance nameplate Checking Gas Input With Manometer NOTE Both the inlet and outlet pressure taps have a captive screw 1 B...

Страница 7: ...UTION Equipment Damage Can burn out heat anticipator in thermostat Do not apply a jumper across or short the valve coil terminals even temporarily If Main Burner Does Not Come On With Call For Heat 1 Confirm that the gas control knob is in the ON position 2 Adjust the thermostat several degrees above the room temperature 3 Use a dc voltmeter to measure the voltage across the THTP and TP terminals ...

Страница 8: ... is less than 12 mV replace the ODS pilot burner assembly The power unit will hold in down to 3 mV If the output of the thermocouple is less than 3 mV replace the ODS pilot burner assembly 4 Test D Operator Pull In have thermostat contacts open and pilot lit with Pilotstat knob turned to PILOT Close the thermostat contacts Operator will pull in with a minimum of 155 mV Operator makes audible sound...

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