Fan Coil Unit Thermostat Wiring Diagram
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• dx coils are available only on hl and vf series fan coil units with thermostat codes t01, t02 or t10. See figure 6 for auxiliary contact wiring figure 4. Thermostatic wiring principles by bob scaringe ph. d. , p. e. Many technicians have great difficulty understanding how to properly wire a thermostat or how to replace a thermostat with a different thermostat.
In this video i am going to show you how to make control wiring for ahu and fcu using with honey well 24 volts modulating type thermostat, honey well thermos. Connect humidifier and humidistat to fan coil unit as shown in fig. The cooling lockout relay is optional. Step 9 — sequence of operation a. Continuous fan thermostat closes r to g. G energizes fan relay on pcb which completes circuit to indoor blower motor. See table 1 for terminal identification. Air conditioner wiring diagram pdf basic electrical wiring thermostat wiring electrical wiring diagram. Fan coil unit schematic diagram.