1
2
3
TX+GND 24 VTX- GND
To further units
(Max. number see
Information)
Katherm HK, KaControl C1, 2- or 4-pipe, valve actuator(s) 24 V DC Open/Closed, optional condensate pump, with
KaController type 321000x
- Options -
Multifunctional inputs
(Refer to instructions for possible
functions)
gr/ye
1
2
gr/ye
2
1
1
3
2
1
2
1
2
1
2
1
2
2**
W12
3
W11
N PEL
Mains power 230 V AC
1
2
gr/ye
Nominal voltage
230 V / 50 Hz
Fuse by others.
Refer to “Electrical data”
information table.
L N PE
Mains power 230 V AC
Refer to Electrical data
information table!
NO COML N NC
Condensate alarm
- Optional -
Condensate pump
Mains
power
supply
230 V AC
Katherm HK
KaControl
(*C1)
Unit no. 1
Fan connection
Smartboard PCB
Tx V+ GND Tx DI2 GND AI1 GNDDI1 GND
KaController
Type 321000x
Contact
e.g. heating/cooling
1 2
Room sensor
1
2
1
2
COMNO
V1 GND V2 GND
Actuator
Heating/
cooling
Type 146906
-Optional-
Actuator
Cooling
Type 146906
N PEL
Mains power 230 V AC
1
2
gr/ye
Nominal voltage
230 V / 50 Hz
Fuse by others.
Maximum 1 A
gr/ye
1
2
gr/ye
2
1
1
2
1
2
1
2
L N PE
Mains power 230 V AC
Refer to Electrical data
information table!
NO COML N NC
Condensate alarm
- Optional -
Condensate pump
Mains
power
supply
230 V AC
Katherm HK
KaControl
(*C1)
Unit no. 2
Fan connection
Smartboard PCB
Tx V+ GND Tx DI2 GND AI1 GNDDI1 GND
V1 GND V2 GND
Actuator
Heating/
cooling
Type 146906
-Optional-
Actuator
Cooling
Type 146906
3
4
1
2
3
4
1
2
2
1
ZKK
3
4
3
4
1
2
gr/ye
1
3
4
gr/ye
1
1
2
ZKK
3
4
2 2
W1
3
W2
3**
W3
2*
W4
2*
W5
2*
W6
3
W7
2**
W8
2*
W9
3
3
W10
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