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Honeywell TrolATemp Thermostat Replacement

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bobsengjr
bobsengjr Member Posts: 1
I would like to replace our main thermostat, a Honeywell TrolATemp with an EchoBee. The thermostat is connected to a EWC HW-6 relay panel with 6 wires: Y, O, W, B, G, R. We have a 3 zone forced hot-air and central AC with a propane boiler. It seems that this older panel has a non modern wiring standard. Can anybody help with the connections?
Thanks

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  • GW
    GW Member Posts: 4,692
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    I would update the panel and rid yourself of the non conventional wiring, but that’s just me. I’m sure there are some guys here that know that control set up well. Those are heat pump wiring methods
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    gary@wilsonph.com
  • ratio
    ratio Member Posts: 3,626
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    There are a few threads regarding Trol-a-Temp kit, upgrading to a TrueZONE panel IIRC. They may have the information you need. & +1 for upgrading also, a modern zone panel has abilities that the older one doesn't.