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FearKnot
11-28-2011, 04:23 PM
I hope im posting in the right area. I need Help.
I have a Carrier Fk4c furnace with a Tech 2000ss heat pump
I have 20 KW fan coils aux heat. Currently the easy select board board has the J2 jumper in place connecting w and w2. My current thermostat is a junk Hunter. I would like to upgrade the thermostat and take advantage of Carrier intelligent heat and stage the fan coils. The Carrier Edge thermostat says it can do that but I hear bad things about this thermostat. I would like to go with a quality thermostat(Honeywell?). I need Stage 1 heat pump, Stage 2 aux heat with one bank of coils, stage 3 would be both banks of coils (stage 2 and 3 active together w & w2). Honeywell customer service says there units dont do that. Any suggestions and help would most appreciated !!!!

Thanks
Mike
sjones
11-28-2011, 05:17 PM
The edge Thermostats had problems when they first came out but we sell a lot of them now and don't have any problems with them. They are really a nice stat.
FearKnot
11-28-2011, 05:35 PM
Thanks for the reply. Maybe the things I saw were for early models.
gasguy
11-28-2011, 09:55 PM
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FearKnot
11-29-2011, 07:55 AM
Does anyone know how the Carrier Edge thermostat does the heat staging? Is it time and temp or just time or temp? I cant seem to find that information. I would appreciate anymore information or experience with this thermostat.
Thanks
second opinion
11-29-2011, 08:43 AM
Does anyone know how the Carrier Edge thermostat does the heat staging? Is it time and temp or just time or temp? I cant seem to find that information. I would appreciate anymore information or experience with this thermostat.
Thanks

Do you have the model # of the one you want to use?
FearKnot
11-29-2011, 09:05 AM
I am looking at the Edge programmable, TP-PRH or TP-NRH.
Im not sure the difference between these two. Any suggestions would be appreciated.
Thanks for your reply
second opinion
11-29-2011, 09:36 AM
I am looking at the Edge programmable, TP-PRH or TP-NRH.
Im not sure the difference between these two. Any suggestions would be appreciated.
Thanks for your reply

Programmable and Non-programmable

your auxiliary heat can be staged with an outdoor Tstat
FearKnot
11-29-2011, 10:14 AM
Thanks second opinion. What the Carrier thermostats do that I havent found others to do is stage the aux heat coils. Using one bank then if that doesnt satisfy use both banks of fan coils (activating w then w2 then both w & w2). I was concerned about the quality of the Carrier stats.