X1Y: 1-2
X1M: 1-2-3
X1M: 1-2-3
A4P:Y2
X2M:29
2x0.75
2x0.75
X2M: 30-31
X5M: 3-4
1
1
F1B: L1-L2-L3
X6M
X8M
5Gx2.5
230 V
X2M: 13-14
X9A (PCB A1P)
230 V
A4P: X4
X2M: 28
2
230 V
SPST:
X2M: 8-9-10
A4P: Y1
X2M: 28
230 V
230 V
A4P: Y3
X2M: 29
A4P: X1-X2
230 V
230 V
A3P: X1M: C-com-H
230 V
A4P: X1M: H-C-com
X2M: L-N
A3P: X1M: 1-3
R2T
230 V
X2M: 32-33
X11M: 3-4-5-6
X5M: 1-2
2x0.75
2x0.75
X2M: 34-35
230 V
X5M: 5-6
230 V
X5M: 7-8
X5M: 9-10
230 V
A8P: X801M: 1-5
230 V
A8P: X801M: 2-5
230 V
A8P: X801M: 3-5
230 V
A8P: X801M: 4-5
230 V
A4P: Y2
X2M: 29
X5M
230 V
F2B
X7M
2
2
2
4D078494
Power supply
OUTDOOR UNIT
or L-N-earth
Bottom plate heater
Only for *KBPHT*
& depending on model
Only for preferential kWh rate power supply installation
unit preferential kWh rate power supply:
400 V or 230 V + earth
Preferential kWh rate power supply contact
INDOOR UNIT
5 or 3 core
3 core
normal kWh rate power supply for indoor unit: 230 V
2 core
unit power supply: 400 V or 230 V + earth
5 or 3 core
Only for normal power supply installation
or L-N + earth
backup heater power supply (3/6/9 kW): 400 V or 230 V + earth
4 or 3 core
booster heater power supply (3 kW): 230 V + earth
3 core
F2B: L-N + earth
Booster heater
Q2L - clixon
booster heater
R5T - thermistor
water temperature
DOMESTIC HOT
WATER TANK
5 core
X4M: 1-2-earth
signal
2 core
solar pump
Only for *KSOLHWAV1
3WAY VALVE
Optional parts (*KHW*)
Standard parts
BSK: 1-2 solar interlock
Alarm output
2 core
2 core
Solar input
2 core
signal
Changeover to
ext. heat source output
Ext. heat source (eg boiler)
Only for *KRP1HB* & *KSOLHWAV1
NO valve: X2M: 6-7
NC valve: X2M: 5-7
2 core
2WAY VALVE
M2S (*KHBX units)
for cooling mode
main: X2M: 1-2-4
add: X2M: 1a-2a-4
3 core for C/H operation
2 core for H only operation
main: X2M: 1-2-3-4
add: X2M: 1a-2a-3-4
main: X2M: 1-4
add: X2M: 1a-4
4 core
Only for *KRTW
(wired room thermostat)
Only for *KRTR
(wireless room thermostat)
Only for FWXV*
(heat pump convector)
2 core
communication
2 core
communication
Notes:
- In case of signal cable: keep minimum distance to power cables >5 cm
- Available heaters depending on model: see combination table
2 core
Circulation pump
for DHW
2 core
external thermistor
(indoor or outdoor)
Only for KRCS01-1 or EKRSCA1
FIELD SUPPLY
Only for *KSR3PA option
signal
Electricity meter
pulse input 1
2 core
Electricity meter
pulse input 2
signal
2 core
2 core
Power limitation
demand input 1
Power limitation
demand input 2
2 core
2 core
2 core
FIELD SUPPLY
EXTERNAL ROOM THERMOSTAT / HEAT PUMP CONVECTOR
(main and/or additional zone)
Only for *KRP1AHTA
OPTIONAL PART
OPTIONAL PART
Cooling/heating
On/OFF output
2 core
Cooling/heating
On/OFF output
Q*L clixon
Q*L clixon
2 core
2way valve
Only for *KHWSU*V3
Power limitation
demand input 3
Power limitation
demand input 4
X1M: L1-L2-L3-N-earth
3 core
M3S (when *KHW is installed)
selection domestic hot water-floor heating
alarm indication
5 core for C/H operation
4 core for H only operation
signal
2 core
(3m included)
External sensor
(floor or ambient)
Only for *KRTETS
A2P: P1-P2 user interface
A2P: P1-P2 user interface
Only for *KRCAL*
In case user interface is relocated
Electrical connection diagram Daikin Altherma
For more details please check unit wiring
2 core
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