Siemens RDG20 KN Series User Manual

Functions
Application overview
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4.4.1 Applications for fan coil systems
Applications, DIP setting, control outputs
● 2-pipe fan coil unit
● 2-pipe fan coil unit
with electric heater
● 2-pipe fan coil unit
with radiator/floor
heating
Using RDG2..KN, RDG2..T
Using RDG2..KN, RDG2..T
Using RDG2..KN, RDG2..T
● 2-pipe/2-stage fan
coil unit
● 4-pipe fan coil unit
● 4-pipe fan coil unit
with electric heater
Using RDG2..KN, RDG2..T
Using RDG2..KN, RDG2..T
Using RDG2..KN, RDG2..T
● 4-pipe fan coil unit
with PICV and 6-
port ball valve as
changeover
● 4-pipe/2-stage fan
coil unit
1)
● 4-pipe fan coil unit
with 6-port PICV
● 4-pipe fan coil unit
with 6-port ball
valve
Using RDG26..KN, RDG26..T
Using RDG2..KN
Using RDG26..KN, RDG26..T
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
Product No.
Control output
Fan output
RDG20..
PWM, On/Off, 3-pos
3-speed, 1-speed, DC 0…10 V
RDG26..
DC 0…10 V
3-speed, 1-speed, DC 0…10 V
On/Off
DC 0…10 V

Siemens RDG20 KN Series Specifications

General

Brand	Siemens
Model	RDG20 KN Series
Category	Thermostat
Language	English