8 Technical data
Installation manual
28
EHBH/X04+08DA*V7
Daikin Altherma 3 R W
4P618951-1 – 2020.03
Electrical connection diagram
For more details, please check the unit wiring.
2x0.75
(F1B)
3Gx2.5
A8P: X801M: 1-5
A8P: X801M: 2-5
A8P: X801M: 3-5
A8P: X801M: 4-5
X1M: 1-2-3
X2M: 5-6
X2M: 10
X2M: 11a
X5M: 9-10
A1P: X9A
SPST:
X2M: 12-13-14a
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
A4P: Y3-YC
X2M: 7-9
230 V
230 V
230 V
230 V
230 V
A3P: X11M: 3-4-5-6
4D128740
A15P: X1M: H-C-com
X2M: L-N
A2P: X1M: 1-3
A2P: X1M: C-com-H
R2T
(F2B)
X1M: 1-2-3
X6M
3
3
3
1
1
2
2
230 V
4 core
main: X2M: 30-35
add: X2M: 30-35a
main & add: X2M: 3-4
- In case of signal cable: keep minimum distance to power cables >5 cm
- Available heaters depending on model: see combination table
Notes:
X1M: L-N-earth
3 core
normal kWh rate power supply for indoor unit: 230 V
Field supply
booster heater power supply (3 kW): 400 V or 230 V + earth
BSK: A3P: 1-2 solar interlock
Cooling/heating
ON/OFF output
Circulation pump
for DHW
Ext. heat source (e.g. boiler)
Alarm indication
Only for *KSR3PA option
Only for KRCS01-1 or EKRSCA1
Electricity meter
pulse input 2
Electricity meter
pulse input 1
external thermistor
(indoor or outdoor)
M2S
for cooling mode
2-way valve
External sensor
(floor or ambient)
signal
Only for remote user interface
Only for *KRTETS
2 core
(3m included)
Only for
(heat pump convector)
Only for *KRTW
(wired room thermostat)
Only for *KRTR
(wireless room thermostat)
A13P: P1-P2 LAN adapter
A14P: P1-P2 user interface
Optional parts
Optional parts
External room thermostat / Heat pump convector
(main and/or additional zone)
5 core for C/H operation
4 core for H only operation
3 core for C/H operation
2 core for H only operation
2 core
2 core
communication
2x0.75
2 core
2 core
signal
2 core
signal
2 core
2 core
communication
2x0.75
2 core
2 core
signal
2 core
2 core
Only for *KRP1HB*
Changeover to
ext. heat source output
Alarm output
Solar input
Cooling/heating
ON/OFF output
NO valve: X2M: 21-28
NC valve: X2M: 21-29
main: X2M: 30-31-34-35
add: X2M: 30-31-34a-35a
main: X2M: 30-34-35
add: X2M: 30-34a-35a
or L1/L2/L3-N + earth
or L1-L2 + earth
X8M: L-N + earth
or L1-L2-L3-N + earth
or L-N + earth
X6M: L1-L2-L3 + earth
X7M: L-N-earth
Only for *KRP1AHTA
2 core
3 core
signal
230 V
3 core
2 core
2 core
2 core
2 core
Power limitation
demand input 4
Power limitation
demand input 3
Power limitation
demand input 2
Power limitation
demand input 1
Field supply
M3S (when *KHW is installed)
selection domestic hot water-floor heating
3-way valve
R5T - thermistor
water temperature
Booster heater/Q2L
Domestic hot
water tank
3 core
Optional parts (*KHW*)
5 or 4 or 3
core
backup heater power supply (6/9 kW): 400 V or 230 V + earth
Safety thermostat Q4L
Preferential kWh rate power supply contact
230 V + earth
Only for preferential kWh rate power supply installation
unit preferential kWh rate power supply:
2 core
3 core
3 core
3 core
unit power supply: 230 V + earth
Only for normal power supply installation
Field supply
Indoor unit
Standard part
Outdoor unit
Power supply
signal
signal
signal
signal
signal
signal
signal
signal