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  1. M

    Honeywell st9100c/CM707 (replacing with Hive dual channel)

    Hi guys, I didn't trace the wires to the boiler at the first moment. Yesterday I opened the wiring box again and it's how you mentioned above. The Hive is installed. The dual channel receiver is installed and working, I'm waiting the second one arrives. I took longer to pair it to the hub...
  2. M

    Honeywell st9100c/CM707 (replacing with Hive dual channel)

    Stem, I'm sorry I mistaken the name of the HW cylinder Thermostat. At the water tank, where are the MV, the three zones have labels and I traced the wires from the MV. So I was able to do the diagram based in what I found. I knew that black loose cable on the drawings should go to...
  3. M

    Honeywell st9100c/CM707 (replacing with Hive dual channel)

    Let's say I had some spare time today. I draw the wiring how it is and how it should be after install Hive over the 2 zones. Am I correct on the understanding after read what you wrote a couple of times?
  4. M

    Honeywell st9100c/CM707 (replacing with Hive dual channel)

    Thanks for this. I was sure something was missing to wire it correctly. It looks like I’ll need assistance.
  5. M

    Honeywell st9100c/CM707 (replacing with Hive dual channel)

    I need a help here, please. I have a Honeywell ST9100C that controls 2 zones and hot water tank. The zones have CM707 thermostat. The objective is to replace these by Hive. I have one dual channel and one single channel in hands. Checking the back of ST9100C I got confused on how to connect...
  6. M

    Honeywell st9100c (replacing with Hive)

    I bought a Hive Active Heating dual channel and I'm trying understand how to wire the system before go on. This post is what best fits with what I have, but I was confused when I read: Below there a picture of Honeywell ST9100C. IMG_2099 by morley81 posted 4 Sep 2020 at 7:01 PM There is a...
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