![background image](http://html.mh-extra.com/html/daikin/altherma-3-r-w/altherma-3-r-w_installation-manual_501224038.webp)
10 Technical data
Installation manual
38
EHBH/X04+08EA/EJ6V+9W
Daikin Altherma 3 R W
4P629081-1A – 2020.08
Electrical connection diagram
For more details, please check the unit wiring.
2x0.75
2x0.75
2x0.75
1
1
2
2
2
3
3
(F1B)
X1M: 1-2-3
X2M: 5-6
X5M: 9-10
X5M: 13-14
X5M: 13
X5M: 14
A11P: X5: 4-5
A11P: X9: 1-2-3
X10M: 1-2
2x0.75
X10M: 3-4
A8P: X801M: 1-5
A8P: X801M: 2-5
A8P: X801M: 3-5
A8P: X801M: 4-5
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
5
5
5
6
6
4
4
2x0.75
2x0.75
A15P: X1M: H-C-com
X2M: L-N
A2P: X1M: 1-3
A3P: X11M: 3-4-5-6
R2T
230 V
230 V
230 V
230 V
A2P: X1M: C-com-H
X1M: 1-2-3
4D130334A
3Gx2.5
X2M: 10
X2M: 11a
A1P: X9A
SPST:
X2M: 12-13-14a
(F2B)
X6M
230 V
communication
- In case of signal cable: keep minimum distance to power cables >5 cm
Notes:
Field supply
Optional part
Optional part
Field supply
Only for KRCS01-1 or EKRSCA1
2-way valve
signal
2 core
signal
2 core
signal
2 core
signal
2 core
Power limitation
demand input 4
Power limitation
demand input 3
Power limitation
demand input 2
Power limitation
demand input 1
Field supply
Only for *KRP1AHTA
Only for *KRP1HB*
Field supply
Indoor unit
Cooling/heating
On/OFF output
Electricity meter pulse input 2
Smart Grid pulse meter
Smart Grid contact K2A
Smart Grid contact S11S
Electricity meter pulse input 1
external thermistor (indoor or outdoor)
Circulation pump for DHW
M2S for cooling mode
Ext. heat source (e.g. boiler)
alarm indication
2 core
2 core
signal
2 core
signal
signal
2 core
2 core
2 core
signal
2 core
2 core
External sensor
(floor or ambient)
Only for *KRTETS
signal
2 core
(3m included)
A13P: P1-P2 LAN adapter
A14P: P1-P2 user interface
Only for
(heat pump convector)
Only for remote user 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
communication
2 core
4 core
Optional part
External room thermostat / Heat pump convector
(main and/or additional zone)
main: X2M: 30-35
add: X2M: 30-35a
main & add: X2M: 3-4
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
or L1-L2-L3-N + earth
5 or 4 or 3
core
backup heater power supply (6/9 kW): 400 V or 230 V + earth
3 core
3 core
3 core
2 core
2 core
2 core
2 core
X1M: L-N-earth
Normal kWh rate power supply for indoor unit: 230 V
Smart Grid contact S10S
Only for LV Smart Grid
Smart Grid contact K1A
Only for LV Smart Grid
Safety thermostat Q4L
5 core
A20P: J2
(WLAN adapter module)
Smart Grid relais K1A
2 core
Smart Grid relais K2A
Preferential kWh rate power supply contact
unit preferential kWh rate power supply:
230 V + earth
Only for preferential kWh rate power supply installation
unit power supply: 230 V + earth
Only for normal power supply installation
Outdoor unit
Standard part
Power supply
signal
signal
signal
Only for LV Smart Grid
Only for LV Smart Grid
booster heater power supply (3 kW): 400 V or 230 V + earth
or L1/L2/L3-N + earth
or L1-L2 + earth
X8M: L-N + earth
X7M: L-N-earth
2 core
3 core
3 core
signal
230 V
3 core
A1P: X31A
M3S (when *KHW is installed)
selection domestic hot water-floor heating
3-way valve
R5T - thermistor
water temperature
Booster heater/Q2L
K3M - contactor
booster heater
Domestic hot
water tank
Optional parts (*KHW*)