Original message
| peet
 |  "Wiring for Honeywell Chronothern IV T8624D"
, posted Wed 7 Nov 18:05  
I have a single-phase, oil-fired heating-only system, with two wires coming to my present thermostat. Can the Chronotherm IV T8624D be used for operating my system? Thanks
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Replies:
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| cantu77437
| "Re(1):Wiring for Honeywell Chronothern IV T86" , posted Wed 21 Nov 11:17
did you get it running?? I cant seem to get mine to go. i have 4 wires a red, green, blue,white,. do i need a jumper. reason why i say ,is because i can only get the heater to run. the a/c will not turn on, not unless i wire it differently .can you help me out please. thank you and happy thanksgiving
moises cantu
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| Houston204
| "Re(1):Wiring for Honeywell Chronothern IV T86" , posted Wed 7 Nov 22:02
You need at least 3 wires for that stat in a heat only application. R, W, and C.
"Tip of the Day" Remember to remove power first.
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