Power Supply - Daikin Altherma ERLQ004-006-008CA Reference Manual

14 Technical data
Electrical connection diagram
For more details, please check the unit wiring.

Power supply

Only for normal power supply installation
1
5 or 3 core
unit power supply: 400 V or 230 V + earth
Only for preferential kWh rate power supply installation
1
unit preferential kWh rate power supply:
5 or 3 core
400 V or 230 V + earth
2 core
normal kWh rate power supply for indoor unit: 230 V
2 core
2x0.75
Preferential kWh rate power supply contact
backup heater power supply (3 kW): 230 V + earth
Field supply
Safety thermostat
Field supply
Power limitation
demand input 1
Power limitation
demand input 2
Power limitation
demand input 3
Power limitation
demand input 4
Installer reference guide
84
Standard part
Outdoor unit
X1M: L1-L2-L3-N-earth
or L-N-earthv
Bottom plate heater
X1Y: 1-2
Only for *KBPHT*
X1M: 1-2-3 & depending on model
2 core
3 core
2x0.75
Indoor unit
3 core
X1M: 1-2-3
A4P:Y2
X2M:29
X2M: 30-31
X5M: 3-4
F1B: L-N + earth
ext. heat source output
NO valve: X2M: 6-7
NC valve: X2M: 5-7
2 core
X5M: 11-12
signal
2
add: X2M: 1a-2a-4
Only for
*KRP1AHTA
2
2 core
main: X2M: 1-2-3-4
A8P: X801M: 1-5
add: X2M: 1a-2a-3-4
signal
2 core
A8P: X801M: 2-5 2
signal
2 core
A8P: X801M: 3-5
signal
2 core
A8P: X801M: 4-5
signal
Field supply
Only for *KRP1HB*
A4P: Y1
2 core
X2M: 29 alarm indication
Alarm output 230 V
A4P: X1-X2
2 core
Changeover to
Ext. heat source (eg boiler)
signal
Cooling/heating
On/OFF output
A4P: Y2
2 core
Cooling/heating
X2M: 29
On/OFF output
Cooling/heating 230 V
On/OFF output
2 core
X2M: 34-35
230 V
2-way valve
2 core
M2S (*KHBX units) for cooling mode
230 V
2 core
X5M: 7-8
Electricity meter pulse input 1
signal
2 core
X5M: 9-10
Electricity meter pulse input 2
signal
Only for KRCS01-1 or EKRSCA1
2 core
X5M: 5-6
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
2 core for H only operation (wired room thermostat)
main: X2M: 1-2-4
230 V
Only for *KRTR
5 core for C/H operation
(wireless room thermostat)
4 core for H only operation
A4P: X1M: H-C-com
X2M: L-N
230 V
Only for
(heat pump convector)
2 core
main: X2M: 1-4
add: X2M: 1a-4
230 V
2 core
2x0.75
X5M: 1-2
communication
2 core
2x0.75
communication
Note
In case of signal cable: keep minimum distance
to power cables >5 cm
Circulation pump for DHW
A3P: X1M: C-com-H
2 core
(3m included)
A3P: X1M: 1-3
signal
X11M : 5-6
Standard part
A2P: P1-P2 user interface
Only for *KRUCBL*
Optional part
A2P: P1-P2 user interface
ERLQ004~008CA + EHVZ04+08S18CB
Daikin Altherma – Low temperature split
4P401676-1 – 2015.02
Optional part
Only for
*KRTETS
R2T
External sensor
(floor or ambient)
4D096036-1