honeywell millivolt gas valve troubleshooting

0000139520 00000 n SPECIFICATIONS Main Gas Connection: Valve: 3/8 in. Thermopile readings: With all wires connected, with the pilot on and burners off, the thermopile reading at the TP & THTP terminals should be ~325mV. Thanks for contributing an answer to Home Improvement Stack Exchange! Residential and Building Controls Division Customer Satisfaction. 0000003696 00000 n 6. xref . Open the manual gas switch if the gas valve fails to operate and look to see if gas is flowing to the main burner or pilot. Turn the pressure regulator adjustment screw clockwise. A normal reading will be in the range of 145 to 195 millivolts. Thermostat and gas control main burner gas flow.NOTE: Gas controls are shipped with the gas control knob in the ON position. It looks like this: the thermopile is a generatorputs out up to 400 MV. Allow the appliance to run through one complete cycle to ensure that the controls are functioning in the correct manner. Ensure the ambient temperature does not exceed the ambient temperature ratings for each component. Thanks for that well-descriptive tips. If tubing is used, obtain a tube-to-pipe coupling to connect the tubing to the gas control. endstream endobj 11 0 obj <> endobj 12 0 obj <> endobj 13 0 obj <>stream For a better experience, please enable JavaScript in your browser before proceeding. The PILOT position allows pilot burner gas flow only. 0000027369 00000 n Check the pilot burner flame adjustment. VR8200 for use with 24 Vac heating appliances and VR4200 for use with 120 . Combination 1/4 inch quick-connect and screw terminals (includes convenience terminals). 0000007879 00000 n Stand clear while lighting the main burner to prevent injury caused by hidden gas leaks, which could cause flashbacks in the appliance vestibule. Remove the pilot adjustment cover screw. Attempt to light pilot burner flame following procedures in the Light the Pilot Burner Flame section. 394349 9/64 inch hex tool for flange assembly screws. Capacity is based on 1000 Btu/feet 3, 0.64 specific gravity natural gas at 1-inch water column pressure drop [37.3 MJ/meters 3, 0.64 specific gravity natural gas at 0.25 kPa pressure drop].The maximum regulated capacity is 200 feet 3 /hour [5.7 meters 3 /hour]. To ensure proper operation, follow these guidelines: Locate the gas control in the appliance vestibule on the gas manifold. %%EOF 6 terminals + 2 jumpers = 4 effective terminals = 4 nodes. 0000039877 00000 n Use only your hand to push down the reset button or turn the gas control knob.

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