For more details, please check the unit wiring.
2x0.75
X1M: 1-2-3
X1M: 1-2-3
X2M: 30-31
X5M: 3-4
A4P: Y1
X2M: 28
A4P: Y3
X2M: 29
A4P: Y2
X2M: 29
X2M: 34-35
X5M: 7-8
X5M: 9-10
X2M: 32-33
X5M: 5-6
A1P: X9A
SPST: X2M: 8-9-10
SPDT: X2M: 8a-9-10
A8P: X801M: 1-5
A8P: X801M: 2-5
A8P: X801M: 3-5
A8P: X801M: 4-5
X5M: 1-2
A1P: X39A
2x0.75
2x0.75
2x0.75
2x0.75
2x0.75
2x0.75
2
2
2
3D082242-1A
A4P: X1M: H-C-com
X2M: L-N
A3P: X1M: 1-3
A3P: X1M: C-com-H
230 V
230 V
230 V
X11M: 3-4-5-6
230 V
230 V
230 V
230 V
230 V
230 V
R2T
X5
1
3
3
1
Standard parts
Only for normal power supply installation
unit power supply: 230 V + earth
Power supply
normal kWh rate power supply for indoor unit: 230 V
Preferential kWh rate power supply contact
Safety thermostat
unit preferential kWh rate power supply:
230 V + earth
Only for preferential kWh rate power supply installation
3 core
2 core
2 core
3 core
Outdoor unit
Indoor unit
+ earth
+ earth
X1M: L-N-earth
4 core
Cooling/heating
On/OFF output
Solar input
Alarm output
Domestic hot
water tank
Optional parts (*KHWP*)
R5T - thermistor
water temperature
2 core
2 core
2 core
2 core
signal
NC valve: X2M: 5-7
NO valve: X2M: 6-7
add: X2M: 1a-4
main: X2M: 1-4
add: X2M: 1a-2a-3-4
main: X2M: 1-2-3-4
add: X2M: 1a-2a-4
main: X2M: 1-2-4
Only for *KRP1AHTA
communication
2 core
communication
2 core
Power limitation
demand input 4
Power limitation
demand input 3
Power limitation
demand input 2
Power limitation
demand input 1
X2: 2-4-earth
unit power supply: 230 V + earth
Gas boiler
3 core
Gas boiler part
Heat pump part
4 core
In case user interface
is relocated
- In case of signal cable: keep minimum distance to power cables > 5 cm
- Field supply
Optional part
External room thermostat / Heat pump convector
(main and/or additional zone)
A2P: P1-P2 user interface
A2P: P1-P2 user interface
Only for *KRCBL*
Optional part
2 core
(3m included)
signal
External sensor
(floor or ambient)
Only for *KRTR
(wireless room thermostat)
5 core for C/H operation
4 core for H only operation
3 core for C/H operation
2 core for H only operation
4 core
Only for
(heat pump convector)
Remark: if transistor output,
please check polarity meter
Remark: if transistor output,
please check polarity meter
2 core
signal
2 core
signal
2 core
2 core
signal
2 core
2 core
2 core
2 core
Cooling/heating
On/OFF output
Gas meter
pulse input
Electricity meter
pulse input
external thermistor
(indoor or outdoor)
Circulation pump
for DHW (instant or tank)
M2S (*HYHBX* units)
for cooling mode
BSK: 1-2 solar interlock
Only for *KSRPS3 option
Field supply
Field supply
Only for *KRP1HB*
alarm indication
Notes:
Field supply
3-way valve
2-way valve
Only for *KRTW
(wired room thermostat)
Only for *KRTETS
Only for KRCS01-1 or EKRSCA1
M3S (when *KHWP* is installed)
selection domestic hot water-floor heating
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