For more details, please check the unit wiring.
2Ă—0.75
230 V
1
1
2
2
3
7
7
(F1B)
(F1B)
X1M: 1-2-3
X2M: 5-6
X5M: 9-10
A8P: X801M: 1-5
A8P: X801M: 2-5
A8P: X801M: 3-5
A8P: X801M: 4-5
A11P: X5: 4-5
A11P: X9: 1-2-3
A11P: X3: 2-3-4
A4P: Y1-YC
X2M: 7-9
A4P: X1-X2
X5M: 11-12
X2M: 1-2
X5M: 7-8
X5M: 5-6
X5M: 3-4
A4P: Y2-YC
X2M: 7-9
4
4
4
2Ă—0.75
A15P: X1M: H-C-com
X2M: L-N
A2P: X1M: 1-3
230 V
230 V
230 V
230 V
230 V
A2P: X1M: C-com-H
X1M: 1-2-3
4D133216A
A3P: X11M: 3-4-5-6
2x0.75
2
3
X5M: 13
X5M: 14
X10M: 1-2
2x0.75
X10M: 3-4
X5M: 13-14
2x0.75
5
5
6
6
5
- In case of signal cable: keep minimum distance to power cables >5 cm
Notes:
FIELD SUPPLY
Only for KRCS01-1 or EKRSCA1
Only for WLAN module
2-way valve
signal
2 core
signal
2 core
signal
2 core
signal
2 core
Power limitation demand input 4
communication
5 core
A20P: J2
Only for Bizone mixing kit
communication
3 core
A30P: ST6
Power limitation demand input 3
Power limitation demand input 2
Power limitation demand input 1
FIELD SUPPLY
OPTIONAL PART
OPTIONAL PART
Only for *KRP1AHTA
Only for *KRP1HB*
FIELD SUPPLY
INDOOR UNIT
Cooling/heating On/OFF output
Electricity meter pulse input 2
Electricity meter pulse input 1
Smartgrid contact K2A
Smartgrid contact S11S
External thermistor (indoor or outdoor)
Circulation pump for domestic hot water
M2S for cooling mode
Ext. heat source (e.g. boiler)
Alarm indication
signal
2 core
signal
2 core
signal
2 core
signal
2 core
2 core
2 core
2 core
2 core
3 core
R2T External sensor (floor or
ambient)
Only for *KRTETS
signal
2 core
(3m included)
A14P: P1-P2 user interface
Only for
Human Comfort Interface
Only for *KRTR (wireless room thermostat)
Only for *KRTW (wired 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
communication
2 core
OPTIONAL PART
OPTIONAL PART
External room thermostat / Heat pump convector
(main and/or additional zone)
main: X2M: 30-31-34-35
add: X2M: 30-31-34a-35a
main: X2M: 30-34-35
add: X2M: 30-34a-35a
Cooling/heating
On/OFF output
NO valve: X2M: 21-28
NC valve: X2M: 21-29
Changeover to
ext. heat source output
Alarm output
X6M: L1-L2-L3 + earth
or L-N + earth
4 or 3 core
Backup heater power supply (6 kW):
230 V + earth
X6M: L1-L2-L3-N + earth
5 core
Backup heater power supply (6/9 kW):
400 V + earth
3 core
5 or 3 core
5 or 3 core
2 core
2 core
X1M: L1-L2-L3-N-earth
or L-N-earth
Normal kWh rate power supply for indoor unit:
Safety thermostat Q4L
Preferential kWh rate power supply contact
Unit preferential kWh rate power supply:
400 V or 230 V + earth
Only for preferential kWh rate power supply installation
Unit power supply:
400 V or 230 V + earth
Only for normal power supply installation
OUTDOOR UNIT
STANDARD PART
POWER SUPPLY
signal
signal
X2M: 1-2 + earth
Drain tube heater
FIELD SUPPLY
Only for heat pump convector
main: X2M: 30-35
add: X2M: 30-35a
main & add: X2M: 3-4
signal
4 core
Smart Grid contact S10S
Only for LV Smart Grid
2 core
Smart Grid contact K1A
Only for LV Smart Grid
Smart Grid relais K1A
2 core
Smart Grid relais K2A
2 core
Only for HV Smart Grid
Smartgrid pulse meter
Only for LV Smart Grid
4 core
HV Smart Grid control supply: 230 V
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