tims Posted March 26, 2017 Share Posted March 26, 2017 Hi Guys, I have C4 Therm to test out but when I went to wire it up with my Train system there are wires in my honeywell Stat that do not exist in the aprilaire. A black wire i the E slot (no E slot on the Aprilaire) A white wire in the Aux slot (not available i the Aprilaire) Once I get this setup is there any standard setup that I should use to be aware of? I am not stuck on this Tstat I just need to be sure that what I get would work with C4 and my system overall and I will need 4 of them. Thanks guys Link to comment Share on other sites More sharing options...
GT Slider Posted March 26, 2017 Share Posted March 26, 2017 Lookup manual to your specific Honeywell and find out what function is E and Aux is for and match to what function that is for aprilaire. As for ANY standard setup depends on what the AC guy is using what wire for said function (I.e. - I've seen black used for Common and blue for something else). Blue is usually your Common wire. As for functionality, the Aprilaire should accommodate newer AC functions just fine. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Matt Lowe Posted March 26, 2017 Share Posted March 26, 2017 pictures of the thermostat that was taking out with its wiring will help. its possible it could be a proprietary system. its also possible they could be extra wires connected to nothing. Link to comment Share on other sites More sharing options...
tims Posted March 26, 2017 Author Share Posted March 26, 2017 Thanks Link to comment Share on other sites More sharing options...
funnyfarm299 Posted March 27, 2017 Share Posted March 27, 2017 Do you have a heat pump or a regular system? Because you're reading the heat pump labels. Link to comment Share on other sites More sharing options...
funnyfarm299 Posted March 27, 2017 Share Posted March 27, 2017 I took a guess as to which model that is, but according to the user manual (page 7/8), the K wire isn't supposed to be used. So not sure what your installer was doing there. Link to comment Share on other sites More sharing options...
GT Slider Posted March 27, 2017 Share Posted March 27, 2017 Tims . . . funnyfarm299 is correct! You're reading the wrong wiring side of the wiring. Look at your inside labels to determine what color wires are going to what terminal. But as I said in my last post, pull the wiring diagram for that model thermostat and make sure that you match up the specific function to the Aprilaire. An HVAC guy can use whatever wires HE wants to use when wiring to the unit. It would be cheaper to have a 1 time visit by an HVAC professional to confirm where each wire is going, wire your thermostat, and configure features that are not 'enabled' by default, then to mess something up on your unit. I wish there was an industry standard that HVAC professionals must follow, but here are the recommended uses for single stage heat pump: G: Blower. (ON when any heating or cooling is called for) Y: Compressor. (ON when either A/C or Heating is called for from the heat pump) O: Reversing valve. (Typical wiring, ON = cooling mode, OFF = heating mode) B: Reversing valve. (Alternate wiring, ON = heating mode, OFF = cooling mode) W: Auxiliary heat, stage 1 E: Emergency heat (in emergency mode 'Y' is not energized and E is energized to indicate the need for emergency heat. This mode is used if the heat pump fails during cold winter temperatures and the compressor must remain off.) C: Common (low voltage power used to power most current thermostats) R: +24vac NOTE: Either 'O' or 'B' is used depending on the system, but not both. Also, systems with advanced features (i.e. - dual heat pump, dehumidification, etc.) can be wired with the Aprilaire, but some of these features are not enabled in the menu settings on the thermostat, and will need to be 'enabled'. So it is imperative that you know exactly where each wire is going and exactly what features are needing to function on your specific unit/setup. That 1 time visit will leave you with (hopefully) a wiring diagram of your specific wires, what features are a part of your specific unit, which you can use for future reference. Link to comment Share on other sites More sharing options...
tims Posted April 3, 2017 Author Share Posted April 3, 2017 Ok guys I put this together which includes the wiring schema for Aprilaire, The Stat I have by honeywell then the wiring I have now. It looks according to honeywell that the wiring might match the dehumidifier system which I know i have... Let know know your thoughts and from what I see (once I confirm the wiring I can trace it) I just want you guys opinion.. Thanks! Link to comment Share on other sites More sharing options...
thegreatheed Posted April 3, 2017 Share Posted April 3, 2017 Link to comment Share on other sites More sharing options...
vitali Posted April 3, 2017 Share Posted April 3, 2017 just in case... why don't you buy another honeywell thermostat what can work with control4, there is driver on Houselogixx and list of thermostats.... so pick one. Link to comment Share on other sites More sharing options...
tims Posted April 4, 2017 Author Share Posted April 4, 2017 Hmmm. Might just do that I have one of these and wanted to see how i liked it before I bought more Link to comment Share on other sites More sharing options...
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