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wilsonng · 04-15-2023

Hi, I have old Honeywell chronotherm 2 thermostat (Honeywell-Chronotherm-II-manual)but it’s just two wires (label W and B)My gas furnace (heating only) is Payne PG8MAA purchased 2010 (Payne-Pg8maa-manual )I was told there may be an equipment interfac...

wilsonng · 04-25-2023

Thanks Zoe. I’m not clear. Could you elaborate what do you mean by non-standard labels? Also, does that mean there is an equipment interface module (EIM) installed between the furnace and the thermostat? Is it installed behind the wall of the thermos...

wilsonng · 04-22-2023

The first picture is not clear. Resend again .

wilsonng · 04-22-2023

Hi Zoe, thanks for your help! Here are some pictures of the furnace. Let me know if you need more information. Thanks!

wilsonng · 04-16-2023

The Payne manual online has the wiring diagrams on page 23. The bottom one shows W,C,R, G, Y wire labels, and there is NO wire label B. W,C,R would be connected between the furnace (heat only) and thermostat. So the red wire on my thermostat could be...

wilsonng · 04-15-2023

Correction: the thermostat model is chronotherm III ( Honeywell-Chronotherm-III manual )

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