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Electrical connection diagram
For more details, please check the unit wiring.
POWER SUPPLY
Only for preferential kWh rate unit power supply installation
normal kWh rate power supply for indoor unit: 230 V + earth
POWER SUPPLY
1
Only for single cable power supply
2
Only for combined 3F power supply installation
Backup heater & compressor power supply:
400 V + earth
2
Only for combined 1F power supply installation
Backup heater & compressor power supply:
230 V + earth
1
Only for dual cable power supply
3
Only for split 3F/1F power supply installation
Backup heater power supply: 400 V + earth
Only with EKGSPOWCAB
Compressor power supply: 230 V + earth
3
Only for split 1F/1F power supply installation
Backup heater power supply: 230 V + earth
Only with EKGSPOWCAB
Compressor power supply: 230 V + earth
FIELD SUPPLY
Only for preferential kWh rate power supply installation
4
Preferential kWh rate power supply contact
4
Safety thermostat Q4L
OPTIONAL PART
Only for EKCSENS
Current sensors
FIELD SUPPLY
Drain pump
Only for pressure loss detection
Brine low pressure switch S1PL
FIELD SUPPLY
Power limitation demand input 1
Power limitation demand input 2
Power limitation demand input 3
Power limitation demand input 4
EGSAH/X06+10UD
Daikin Altherma 3 GEO
4P598591-1C – 2023.02
STANDARD PARTS
INDOOR UNIT
3 core
X2M: 5-6-earth
Only for EKRP1HB*
5 core
F1B
X21Y
5 core
F1B
X21Y
5 core
F1B
X21Y
3 core
F2B
X22YB
5 core
F1B
X21Y
3 core
F2B
X22YB
EXTERNAL ROOM THERMOSTAT / HEAT PUMP CONVECTOR
(main and/or additional zone)
2 core
2x0.75
X5M: 9-10
4 core
X5M: 13-14-15-16
signal
2 core
X2M: 30-31
230 V
2 core
A16P: X13A
signal
Only for EKRP1AHTA
2 core
A8P: X801M: 1-5
signal
2 core
A8P: X801M: 2-5
signal
2 core
A8P: X801M: 3-5
signal
2 core
A8P: X801M: 4-5
signal
Note:
- In case of signal cable: keep minimum distance to power cables >5 cm
2 core
X12Y: 1-2
signal
A4P: Y1
2 core
X2M: 14a
230 V
Alarm output
A4P: X1-X2
2 core
Changeover to external heat
signal
source output
A4P: Y2
2 core
X2M: 14a
230 V
Space heating On/OFF output
2 core
X2M: 1-2
230 V
2 core
NO valve: X2M: 21-28
NC valve: X2M: 21-29
230 V
2 core
X5M: 5-6
signal
2 core
X5M: 3-4
signal
Only for KRCS01-1
2 core
X5M: 7-8
signal
5
3 core for C/H operation
2 core for H only operation
main: X2M: 30-34-35
add: X2M: 30-34a-35a
signal
5
5 core for C/H operation
4 core for H only operation
main: X2M: 30-31-34-35
add: X2M: 30-31-34a-35a
signal
5
4 core
main: X2M: 3-4-30-35
add: X2M: 3-4-30-35a
signal
2 core
2x0.75
X5M: 11-12
communication
A15P: X4A
ethernet
11 Technical data
Outdoor ambient sensor EKRSCA1
FIELD SUPPLY
Alarm indication
External heat source (e.g. boiler)
Space heating On/OFF output
Circulation pump for domestic hot water
SHUT-OFF VALVE
Main zone shut-off valve
Electricity meter pulse input 1
Electricity meter pulse input 2
OPTIONAL PART
External indoor ambient thermistor
OPTIONAL PART
Only for EKRTWA
(wired room thermostat)
A3P: X1M: C-com-H
Only for EKRTR1/EKRTRB
(wireless room thermostat)
A4P: X1M: C-com-H
EKRTR1
X2M: L-N
A3P: X1M: 1-3
EKRTRB
A3P: X1M: 1-2
R2T External sensor (floor or
ambient)
Only for EKRTETS
Only for heat pump convector
A3P
OPTIONAL PART
Only for BRC1HHDA*
A2P: P1-P2 user interface
FIELD SUPPLY
Router for LAN adapter
4D121919
Installation manual
47
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