When it becomes necessary to replace your thermostat youll have to make sure each wire is connected to the correct terminal on the thermostat so that your furnace functions properly. Heat pump thermostat wiring diagram with 8 wire thermostat wiring diagram image size 500 x 375 px and to view image details please click the image. Find your nest thermostat wiring diagram 8 wire here for nest thermostat wiring diagram 8 wire and you can print out.
8 wire thermostat diagram
Im replacing an old mercury switch thermostat with a programmable hunter off the shelf unit model 44133.
8 wire thermostat diagram. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. The basic heat ac system thermostat typically utilizes only 5 terminals. The old thermostat 1990 i have is a honeywell ta32h01 for an 8 wire waterfurnace geothermal unit with aux heat and air conditioning. Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and coolwhile an air conditioner uses the process of refrigeration to only cool the central air conditioner will usually be paired with a gas furnace an electric furnace or some other method of heating.
Heres what im looking at. These wires run to the furnace and communicate with it. Search for nest thermostat wiring diagram 8 wire here and subscribe to this site nest thermostat wiring diagram 8 wire read more. However ive gotten twisted up over matching the new units terminals with the existing ones wires.
Heat pump thermostat wiring diagram with 8 wire thermostat wiring diagram by admin through the thousands of photos on line regarding 8 wire thermostat wiring diagram we all choices the very best choices using best resolution just for you and now this pictures is one among graphics series in this finest images gallery concerning 8 wire thermostat wiring diagram. Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac w white wire for heating enable y yellow wire for cooling enable. I know honeywell 7500 is better but the budget wouldnt let me get the 80 honeywell. Nest 3rd generation httpsamznto2o1reew when you are connecting nest thermostat on an old system with 8 wires you dont need to connect black and brown wire.
Wiring guide luxgeo for 8 wire thermostat wiring diagram image size 768 x 319 px and to view image details please click the image. The wiring is as follows. Each wire controls a specific function on the thermostat. The new thermostat is a lux tx9100e.
It may look challenging but to replace an eight wire thermostat all you need are a few tools. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams.
