14 Technical data
Installer reference guide
86
EPGA11~ EA9W
Daikin Altherma – Low temperature split
4P556075-1 – 2019.02
Electrical connection diagram
For more details, please check the unit wiring.
X1M: 1-2-3
X1M: 1-2-3
X2M: 5-6
X5M: 9-10
X5M: 1-2
3
3
3
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
A8P: X801M: 1-5
A8P: X801M: 2-5
A8P: X801M: 3-5
A8P: X801M: 4-5
A2P: X1M: C-com-H
A15P: X1M: H-C-com
X2M: L-N
A2P: X1M: 1-3
A3P: X11M: 3-4-5-6
2x0.75
2x0.75
230 V
230 V
230 V
230 V
1
1
2
2
R2T
4D120622A
- In case of signal cable: keep minimum distance to power cables >5 cm
Notes:
External sensor
(floor or ambient)
3 core
5 or 4 or 3
core
3 core
3 core
2x0.75
2 core
2 core
2 core
signal
signal
2 core
signal
2 core
signal
2 core
signal
2 core
X1M: L-N-earth
Indoor unit
Outdoor unit
Only for *KRP1HB*
2-way valve
Cooling/heating
On/OFF output
Circulation pump for DHW
M2S for cooling mode
Ext. heat source (e.g. boiler)
Alarm indication
X4A + earth
Bottom Plate Heater
2 core
signal
2 core
2 core
2 core
signal
2 core
signal
signal
2 core
2 core
2 core
Electricity meter pulse input 2
Electricity meter pulse input 1
external thermistor (indoor or outdoor)
Only for *KRTETS
2 core
(3m included)
signal
A13P: P1-P2 LAN adapter
A14P: P1-P2 user interface
communication
2 core
communication
2 core
4 core
5 core for C/H operation
4 core for H only operation
3 core for C/H operation
2 core for H only operation
Only for
(heat pump convector)
Only for BRC1HH*
Only for *KRTR
(wireless room thermostat)
Only for *KRTW
(wired room thermostat)
Only for KRCS01-1 or EKRSCA1
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
Safety thermostat Q3L
Power limitation
demand input 4
Power limitation
demand input 3
Power limitation
demand input 2
Power limitation
demand input 1
Only for *KRP1AHTA
X6M: L1-L2-L3 + earth
or L-N + earth
or L1-L2-L3-N + earth
Field supply
Optional part
Field supply
Field supply
Optional Part
(F1B)
Safety thermostat Q4L
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
backup heater power supply (6/9 kW): 400 V or 230 V + earth
normal kWh rate power supply for indoor unit: 230 V
Preferential kWh rate power supply contact
Standard part
Power supply
signal
signal
signal
