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Connection
6
Connection diagrams
RDG26..KN
Application
Equipment
V1
2-pipe
YHC
Control outputs:
DC
On/Off
Application
Equipment
V1
V2
2-pipe + RAD
YHC
YR
4-pipe
2-pipe/2-stage
YH
YC
YHC1
YHC2
DC
DC
Control outputs:
DC
On/Off
On/Off
DC
On/Off On/Off
Application
Equipment
V1
V2
2-pipe with
YHC
YE
electric heater
Control outputs:
DC
DC
DC
On/Off
On/Off
DC
On/Off On/Off
Application
Equipment
V1
V2
4-pipe with
YH
YC
electric heater
DC
DC
Control outputs:
DC
DC
Application
Equipment
V1
V2
4-pipe/2-stage
YH1
YC1
Control outputs:
DC
DC
N1
Room thermostat RDG26..KN
S1, S2, S3
Switch (keycard, window contact, presence detector
etc.)
YE
Electric heater
YH
Heating valve actuator
YC
Cooling valve actuator
CE+
KNX data +
CE-
KNX data -
158 | 180
Q1
V1
Q1
Q2
V2
V1
V1
V2
Q1
Q2
V2
V1
V1
V2
V3
Q2
YE
DC
On/Off
V3
V3
V4
U1
YH2
YC2
DC
DC
V4
DC 0...10 V fan
Terminals
Y10
Y50
DC
V1
✓
Terminals
Y10
Y20
Y50
DC
V1
V2
V1
✓
V2
Terminals
Y10
Y20
Y50
DC
V1
V2
V1
✓
V2
Terminals
Y10
Y20
Y30
Y50
DC
V1
V2
V3
✓
V1
V2
Terminals
Y10
Y20
Y30
Y50
DC
V1
V2
V3
✓
M1
1-speed or 3-speed fan, DC 0...10 V fan
V1, V2, V3, V4
Valves actuators:
On/Off or DC 0...10 V, heating, cooling,
radiator, heating/cooling, 1
B1, B2, B3
Temperature sensor (return air temperature,
external room temperature, changeover
sensor, etc.)
YHC
Heating/cooling valve actuator
YR
Radiator valve actuator
YHC1/YH1/YH2/
st
1
/2
YHC2/YC1/YC2
1-speed/3-speed fan
Terminals
Q1, Q2, Q3
Y10
3-speed
V1
✓
Terminals
Q1, Q2, Q3
Y10
Y20
3-speed
V1
V2
✓
Terminals
Q1, Q2, Q3
Y10
Y20
3-speed
V1
V2
✓
Terminals
Q1, Q2, Q3
Y10
Y20
3-speed
V1
V2
✓
Terminals
Q1, Q2, Q3
Y10
Y20
3-speed
✓
V1
V2
st
nd
or 2
nd
stage
A6V11545892_en--_c
Y30
V3
Y30
U1
V3
V4
stage
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