2-pipe fan coil units | |
---|---|
2-pipe fan coil unit On/Off (heating or cooling) | |
V1 | Heating/cooling valve actuator |
M1 | 3-speed fan |
N1 | Thermostat |
4-pipe fan coil units | |
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4-pipe fan coil unit On/Off (heating and cooling) | |
V1 | Heating or heating/cooling valve actuator |
V2 | Cooling valve actuator |
M1 | 3-speed fan |
N2 | Thermostat |