Example wiring diagrams typical 24vac control drawing.
Fan coil unit thermostat wiring diagram.
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3vdc 2 x aaa batteries 110vac 2 120vac 3 220vac 4 230vac 5 240vac 6 50 60hz.
If fan speeds are adjustable the relay.
Thermostat or connecting by p18 to p15 p18 to p16 or p18 to p17.
Fan coil unit fcu fan motor control.
My paperback and e book.
Fan coil relay board fcrb installation operation and maintenance.
On a further call for cooling the thermostat signals for the fan to speed up from its.
A the fan coil unit is controlled by a unit mounted controller provided by mechanical systems controls contractor mscc.