14 Technical data
Installer reference guide
94
ERGA04~08DAV3(A) + EHVH/X04+08S18+23DA
Daikin Altherma – Low temperature split
4P495248-1 – 2017.12
Electrical connection diagram
For more details, please check the unit wiring.
2x0.75
1
1
2
2
(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
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
3
3
3
2x0.75
2x0.75
A15P: X1M: H-C-com
X2M: L-N
A2P: X1M: 1-3
A3P: X11M: 5-6
R2T
230 V
230 V
230 V
230 V
A2P: X1M: C-com-H
X1M: 1-2-3
4D109881A
- In case of signal cable: keep minimum distance to power cables >5 cm
Notes:
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
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 EKRUDAS
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
2 core
Optional part
External room thermostat / Heat pump convector
(main and/or additional zone)
main: X2M: 30-35
add: X2M: 30-35a
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 (3/6/9 kW): 400 V or 230 V + earth
3 core
3 core
3 core
2 core
2 core
X1M: L-N-earth
Normal kWh rate power supply for indoor unit: 230 V
Safety thermostat Q4L
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
Final English - Tanslations in progress