Daikin Altherma 3 WS EWSAH06UD 9W Series Installer's Reference Manual page 251

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
Preferential kWh rate power supply contact
4
Safety thermostat Q4L
4
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
EWSAH/X06UD
Daikin Altherma 3 WS
4P675765-1 – 2022.04
STANDARD PARTS
INDOOR UNIT
3 core
X2M: 5-6-earth
5 core
F1B X21Y
5 core
F1B X21Y
5 core
F1B X21Y
3 core
F2B X22YB
5 core
F1B X21Y
3 core
F2B X22YB
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
X12Y: 1-2
Only for EKRP1HB*
A4P: Y1
X2M: 14a
Alarm output
A4P: X1-X2
Changeover to external heat
source output
A4P: Y2
X2M: 14a
Space heating On/OFF output
X2M: 1-2
NO valve: X2M: 21-28
NC valve: X2M: 21-29
X5M: 5-6
X5M: 3-4
Only for KRCS01-1
X5M: 7-8
EXTERNAL ROOM THERMOSTAT / HEAT PUMP CONVECTOR
(main and/or additional zone)
5
3 core for C/H operation
2 core for H only operation
main: X2M: 30-34-35
add: X2M: 30-34a-35a
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
5
main: X2M: 3-4-30-35
add: X2M: 3-4-30-35a
X5M: 11-12
communication
A15P: X4A
17 Technical data
|
Note:
- In case of signal cable: keep minimum distance to power cables >5 cm
2 core
Outdoor ambient sensor EKRSCA1
signal
2 core
Alarm indication
230 V
2 core
External heat source (e.g. boiler)
signal
2 core
Space heating On/OFF output
230 V
2 core
Circulation pump for domestic hot water
230 V
SHUT-OFF VALVE
2 core
Main zone shut-off valve
230 V
2 core
Electricity meter pulse input 1
signal
2 core
Electricity meter pulse input 2
signal
2 core
External indoor ambient thermistor
signal
Only for EKRTWA
(wired room thermostat)
A3P: X1M: C-com-H
signal
Only for EKRTR1/EKRTRB
(wireless room thermostat)
A4P: X1M: C-com-H
X2M: L-N
signal
R2T External sensor
(Floor or ambient)
Only for heat pump convector
4 core
A3P
signal
2 core
Only for BRC1HHDA*
2x0.75
A2P: P1-P2 user interface
Router for LAN adapter
ethernet
FIELD SUPPLY
OPTIONAL PART
OPTIONAL PART
EKRTR1
EKRTRB
A3P: X1M: 1-2
Only for EKRTETS
OPTIONAL PART
FIELD SUPPLY
4D137622
Installer reference guide
251