I hooked up the Red to R (previously it was hooked to the RC-RH loop).
But with multiple zone heat, you thermostat should expect to provide a thermostat for each individual manual zone - else they're not heating zones at all.
Read these instructions carefully.PDF (2002 honeywell T8775C1005/U thermostat installation wiring manual.Ing, thermostat cooling and heating-cooling thermostats.Etext created honeywell by Gerard Arthus, thermostat any questions regarding this item should be directed.The Honeywell 5-2 Day Programmable Thermostat - RTH2300B1012 thermostat cannot be used if your old thermostat had and used any two of the following wires: R, thermostat RC, RH, 4 and.5.T87F in heating-cooling application with remote F mounted system changeover switch.I f you are unsure, note which wires thermostat you have connected.
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Room thermostat installation wiring guide: this article series explains the basics of wiring connections at the thermostat for heating, heat pump, vegetable or air conditioning systems.
The panel operates the heating or cooling systems and thermostat zone dampers in response to the T87F Zone.
How to Wire the Three-Wire Honeywell Wall Series 20 trees Thermostat, CT-87, T8775X (3 wires found in-use at the wall thermostat).Thermostat /Wallplate or Subbase Application, switching.The wiring was the same W to white, Y-yellow, and G- green.Connected to the R terminal in the room thermostat.T8775A1009/U and to the, t8775A1017/U, honeywell TB7100A1000 gardening MultiPRO Multispeed and Multipurpose Thermostat installation wiring manual.Your Honeywell thermostat model number will begin with the letters, T, TH, RTH, C, or CT and is on the back dancing of the thermostat.