2-pipe fan coil unit ON/OFF
(heating or cooling)
|
|
2-pipe fan coil unit with electric heater ON/OFF
|
|
 |
 |
2-pipe fan coil unit 3-position
(heating or cooling)
|
|
4-pipe fan coil unit ON / OFF
(heating and cooling)
|
|
 |
 |
V1 Heating or heating / cooling valve actuator |
B1 Return air temperature sensor or external room temperature sensor (optional) |
V2 Cooling valve actuator |
B2 Changeover sensor (optional) |
E1 Electric heater |
M1 3- or 1-speed fan |
*) RDF302.B does not have inputs X1 and X2, so sensor B1 and B2 are not included in RDF302.B application.