Honeywell T8570 User Manual
T6570, T8570 SERIES DIGITAL FAN-COIL THERMOSTATS
Fig. 10. Wiring 4-pipe, heat/cool with manual heat/cool
Fig. 7. Wiring 2-pipe heat-only thermostat with fan On/Auto
changeover switch, continuous fan.
switch.
Fig. 11. Wiring 4-pipe, auto heat/cool changeover.
Fig. 8. Wiring 2-pipe seasonal heat/cool changeover with
external aquastat, fan On/Auto switch.
Fig. 12. Wiring 4-pipe, auto heat/cool changeover, with fan
On/Auto switch.
Fig. 9. Wiring 2-pipe heat/cool with manual heat/cool
changeover switch, continuous fan or cycled fan.
95C-10897–6
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