Application and diagram | |
|---|---|
2-pipe fan coil unit (RDF4..BN) | 2-pipe fan coil unit (RDF4..MB) |
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2-pipe fan coil unit with electric heater (RDF4..BN) | 2-pipe fan coil unit with electric heater (RDF4..MB) |
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4-pipe fan coil unit (RDF4..BN) |
4-pipe fan coil unit (RDF4..MB) |
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YHC | Heating/cooling valve actuator |
YH | Heating valve actuator |
YC | Cooling valve actuator |
YE | Electric heater |
B1 | RDF4..BN: External temperature sensor (optional) |
B2 | Changeover sensor (optional) |
M1 | 1-speed or 3-speed fan, DC 0...10 V fan |