Daikin Altherma EHVH04S23DAV Installation Manual page 26

8 Technical data
Electrical connection diagram
For more details, please check the unit wiring.
Power supply
1 Only for normal power supply installation
3 core
unit power supply: 230 V + earth
1 Only for preferential kWh rate power supply installation
unit preferential kWh rate power supply:
3 core
230 V + earth
2 core
Normal kWh rate power supply for indoor unit: 230 V
2 core
2x0.75
2
Preferential kWh rate power supply contact
Field supply
2
Safety thermostat Q4L
Power supply
Anti-legionella heater power supply (2, 4 kW): 230 V + earth
Backup heater option
(EKLBUHCB6W1)
Thermistor
X15M: 1-2
Step 1-2 X15M: 8-9-10
Clixon Q1L X15M: 6-7
F1B:
L1-L2-L3-N + PE
or L-N + PE
Power supply
3-5 core
Backup heater power supply (6 kW): 400 V or 230 V + earth
Field supply
Power limitation
demand input 1
Power limitation
demand input 2
Power limitation
demand input 3
Power limitation
demand input 4
Installation manual
26
Standard part
Outdoor unit
X1M: L-N-earth
X1M: 1-2-3
3 core
Indoor unit
X1M: 1-2-3
X2M: 5-6
X5M: 9-10
ext. heat source output
3 core
X8M: L-N-earth
2 core
X5M: 1-2
signal
X3M: 3-4-5
5 core
230 V
X3M: 1-2
3
add: X2M: 30-34a-35a
3
Only for *KRP1AHTA
2 core
main: X2M: 30-31-34-35
A8P: X801M: 1-5
add: X2M: 30-31-34a-35a
signal
2 core
A8P: X801M: 2-5
3
signal
2 core
A8P: X801M: 3-5
signal
2 core
A8P: X801M: 4-5
signal
Field supply
Only for *KRP1HB*
A4P: Y1-YC
2 core
Alarm indication
X2M: 7-9
230 V
Alarm output
A4P: X1-X2
2 core
Changeover to
Ext. heat source (e.g. boiler)
signal
A4P: Y2-YC
2 core
Cooling/heating
X2M: 7-9
On/OFF output
Cooling/heating
230 V
On/OFF output
2 core
X2M: 1-2 Circulation pump for DHW
230 V
2-way valve
2 core
NO valve: X2M: 21-28
M2S for cooling mode
NC valve: X2M: 21-29
230 V
2 core
X5M: 5-6
Electricity meter pulse input 1
signal
2 core
X5M: 3-4
Electricity meter pulse input 2
signal
Only for KRCS01-1 or EKRSCA1
2 core
X5M: 7-8
external thermistor (indoor or outdoor)
signal
External room thermostat / Heat pump convector
(main and/or additional zone)
Only for *KRTW
3 core for C/H operation
(wired room thermostat)
2 core for H only operation
main: X2M: 30-34-35
signal
Only for *KRTR
5 core for C/H operation
(wireless room thermostat)
4 core for H only operation
A15P: X1M: H-C-com
X2M: L-N
signal
Only for
(heat pump convector)
2 core
main: X2M: 30-35
add: X2M: 30-35a
signal
2 core
Only for EKRUDAS
2x0.75
X5M: 11-12
communication
2 core
2x0.75
communication
Notes:
- In case of signal cable: keep minimum distance to power cables >5 cm
A2P: X1M: C-com-H
2 core
(3m included)
A2P: X1M: 1-3
signal
A3P: X11M: 5-6
A14P: P1-P2 user interface
A13P: P1-P2 LAN adapter
EHVH04+08S23DAV
Daikin Altherma – Low temperature split
4P499571-1D – 2018.11
Optional part
Only for *KRTETS
R2T
External sensor
(floor or ambient)
4D112068B