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05 /19/ 26, 1:09pmLogin ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 12345678[9]10 ]
Subject: Re: LP Furnace


Author:
Bob Dilks
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Date Posted: 11/ 17/ 01, 7:07am
In reply to: Elmer Aydelotte 's message, "LP Furnace" on 11/ 16/ 01, 7:03pm

You have to find the other thermostat wire.or improvise. Suburban supplied four wires out of the insulated furnance controls as follows: red positive power supply, yellow negative ground and two blue wires for thermostat use. Blue Bird supplied wires to the furnance as follows: red positive power supply, yellow negative ground, red from the thermostat to one blue wire to carry the thermostat signal and one brown connected to the other blue wire to ground the thermostat signal. If you improvise and ground the free blue wire exiting from the furnance, the furnance should operate normally in response to the opening and closing of the thermostat. Blue Bird wired the thermostats as follows: black power supply positive to the upper right hand connector (as viewed from the front) and red power supply positive from the lower left hand connector to one of the furnance blue thermostat wires. Its hard to believe that the negative thermostat ground wires were omitted to all three furnances as coincidence. The wires supplied by Blue Bird were covered in a braded sheath and wrapped at the sheath end with black electrical tape. Unwrap the tape and check in the sheath for the missing wire. Please do not rely on the wire color coding shown above as assembly line workers often expressed their individualism. Call me at 580/564-3517 if you need more info.

Bob Dilks

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Replies:
[> Subject: Re: LP Furnace


Author:
HR Skilllern
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Date Posted: 11/ 21/ 01, 6:26pm

Hi, It is improbable that all three of your heaters are inop. More likely, it's something very simple. First, check that you have propane in your tank. Check the direct reading gauge on the tank itself. Ascertain that the propane main valve on the tank itself is open. Then, make sure to check that the propane cut-off switch is "on"---should be a small panel with a red light, green light and pushbutton located in the kitchen area near the floor, possibly under the dinette. You can then try to light your range to make sure you are getting gas inside the coach. It takes a while for the propane to work its way up to the burner, so run the thermostat switch up to max heat and back to off several times. I lit my heaters for the first time this season yesterday and it took about 4 or 5 cycles to get them cooking. They are fine now.

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