Siemens RDG20 KN Series Basic Documentation page 157

RDG20..KN
Application Equipment
V1
2-pipe YHC
Control outputs: 2-pos
3-pos
Application Equipment
V1 V2
2-pipe + RAD YHC YR
4-pipe YH YC
2-pipe/2-stage YHC1 YHC2
Control outputs: 2-pos 2-pos
2-pos 3-pos
3-pos 2-pos
3-pos 3-pos
Application Equipment
V1 V2
2-pipe with
YHC YE
electric heater
Control outputs: 2-pos 2-pos
2-pos 3-pos
3-pos 2-pos
3-pos 3-pos
Application Equipment
V1 V2
4-pipe with YH YC
electric heater
Control outputs: 2-pos 2-pos
2-pos 3-pos
Application Equipment
V1 V2
4-pipe/2-stage YH1 YC1
Control outputs: 2-pos 2-pos
N1 Room thermostat RDG20..KN
S1, S2, S3 Switch (keycard, window contact, presence
detector etc.)
V1, V2, V3, Valve actuators:
V4
On/Off or PWM, 3-position, heating, cooling,
radiator, heating/cooling, 1
YE Electric heater
K Relay
CE+ KNX data +
CE- KNX data -
A6V11545892_en--_c
DC 0...10 V fan
Y1 Y3
V1
V1
Y1 Y3
V1
V1
V1
V1
Y1 Y3
V1
V1
V1
V1
V3 Y1 Y2
YE
2-pos V1 V2
2-pos V1 V2
V3 V4 Y1 Y2
YH2 YC2
2-pos 2-pos V1 V2
M1
B1, B2, B3
YH
st or 2 nd stage
YC
YHC
YR
YHC1/YH1/YH2/
YHC2/YC1/YC2
Terminals
Y50 Q1, Q2, Q3
DC
✓
Terminals
Y2 Y4 Y50 Q1, Q2, Q3
DC
V2
V2
✓
V2
V2
Terminals
Y2 Y4 Y50 Q1, Q2, Q3
DC
V2
V2
✓
V2
V2
Terminals
Y4 Y3 Y50 Q1, Q2, Q3
DC
V3
✓
V3
Terminals
Y3 Y4 Y50 Q1, Q2, Q3
DC
V3 V4
✓
1-speed or 3-speed fan, DC 0...10 V fan
Temperature sensor (return air temperature, external
room temperature, changeover sensor, etc.)
Heating valve actuator
Cooling valve actuator
Heating/cooling valve actuator
Radiator valve actuator
1 st /2 nd stage
Connection
Connection diagrams
1-speed/3-speed fan
Terminals
Y1 Y3
3-speed
V1
✓
V1
Terminals
Y1 Y3 Y2
3-speed
V1 V2
V1
✓
V1 V2
V1
Terminals
Y1 Y3 Y2
3-speed
V1 V2
V1
✓
V1 V2
V1
Terminals
Y1 Y2 Y4
3-speed
V1 V2
✓
V1 V2
Terminals
Y1 Y2 Y3
3-speed
V1 V2 V3
✓
157 | 180
6
Y4
V2
V2
Y4
V2
V2
Y3
V3
V3
Y4
V4