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Heat pump with aux heater and a backup boiler for radiant baseboard heat

Heat pump with aux heater and a backup boiler for radiant baseboard heat


  #1  
Old 12-15-16, 05:53 PM
Z
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Heat pump with aux heater and a backup boiler for radiant baseboard heat

Our house has a lennox heat pump with elect aux backup/air conditioner and an oil radiant baseboard heat. Right now I have 2 thermostats and I manually turn on the radiant heat around 25 degrees and turn off the heat pump. I bought a Honeywell VisionPro 8000 with wifi with the intention of having the thermostat automatically switch between the two. I have the heat pump hooked up and the outside temperature sensor. I would like to ad the oil furnace to the thermostat but I am not sure how since its a separate unit. It seems like I should hook it up on the U1 terminal as a Stage 2 heat but I am not certain. If its stage 2 does that mean the electric auxiliary heat from the heat pump will kick on first and then the boiler. I would like to have the boiler go on at 25 degrees and then the electric as a last resort.
 
  #2  
Old 12-16-16, 10:34 PM
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http://www.doityourself.com/forum/th...ring-help.html

Connecting the wiring may not be the issue. It is the available options when you go to configure the stat. Take a look at this post, and that was with the top end Prestige IAQ...
 
  #3  
Old 12-18-16, 05:30 AM
Z
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I think you are correct. Is it something impossible to do or do I need to get a control board or another Thermostat.
 
 

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