4.4.1 Applications for fan coil systems
Applications, DIP setting, control outputs
● 2-pipe fan coil unit
with electric heater
● 2-pipe fan coil unit
with radiator/floor
heating
Using RDG20..KN, RDG26..KN
Using RDG20..KN, RDG26..KN
Using RDG20..KN, RDG26..KN
● 2-pipe/2-stage fan
coil unit
1)
● 4-pipe fan coil unit
with electric heater
Using RDG20..KN, RDG26..KN
Using RDG20..KN, RDG26..KN
Using RDG20..KN, RDG26..KN
● 4-pipe fan coil unit
with PICV and 6-
port ball valve as
changeover
● 4-pipe/2-stage fan
coil unit
1)
YHC Heating/cooling valve actuator
YH Heating valve actuator
YC Cooling valve actuator
YE Electric heater
M1 1-speed or 3-speed fan, DC 0…10 V
fan
B1 Return air temperature sensor or
external room temperature sensor (optional)
B2 Changeover sensor (optional)
1)
4-pipe/2-stage: Output can be set to
2-stage heating/1-stage cooling or
1-stage heating/2-stage cooling
Using RDG20..KN, RDG26..KN
3-speed, 1-speed, DC 0…10 V
3-speed, 1-speed, DC 0…10 V