Daikin EWYA004D2V3P Installer's Reference Manual page 220

17 | Technical data
Electrical connection diagram
For more details, please check the unit wiring.
POWER SUPPLY
Unit power supply:
230 V + earth
POWER SUPPLY
Only for preferential kWh rate power supply installation
1
Normal kWh rate power supply for hydro:
230 V
FIELD SUPPLY
2
Preferential kWh rate power
supply contact
FIELD SUPPLY
Only for low voltage Smart Grid
2
Smart Grid contact S10S
OPTIONAL PART
Only for high voltage Smart Grid
2
Smart Grid contact K1A
Smart Grid relay K1A
Smart Grid relay K2A
HV smartgrid control supply: 230 V
FIELD SUPPLY
3
Safety thermostat Q4L
OPTIONAL PART
4
External backup heater
Thermistor X15M: 1-2
Contactor
X15M: 8-9-10
Clixon
X15M: 6-7
F1B: 2-4-6-8 + earth
External backup heater power supply (3/6/9 kW):
400 V or 230 V + earth
(F1B)
Only for *KRP1AHTA
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
220
STANDARD PART
COMPRESSOR SIDE
HYDRO SIDE
3 core
X1M: L-N-earth
230 V
2 core
X2M: 5-6
230 V
2 core
2×0.75
X5M: 9-10
signal
2 core
2×0.75
X10M: 1-2
2 core
2×0.75
X10M: 3-4
4 core
X5M: 13
3
X5M: 14
2 core
X5M: 13-14
2×0.75
2 core
X5M: 1-2
signal
X3M: 3-4-5
5 core
230 V
X3M: 1-2
5 or 3 core
400 or 230 V
External room thermostat / Heat pump convector (main and/or additional zone)
7
7
Only for *KRP1AHTA
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
3 core
X1M: 1-2-3
230 V
3 core
L-N-earth
230 V
X1M: 1-2-3
A1P: X19A
A1P: X1A
Compressor power supply for hydro: 230 V
A4P: Y1-YC
2 core
X2M: 7-9
Alarm output 230 V
A4P: X1-X2
2 core
Changeover to
ext. heat source output
signal
A4P: Y2-YC
2 core
X2M: 7-9
Cooling/heating
230 V
ON/OFF output
2 core
X5M: 5-6
signal
2 core
X5M: 3-4
signal
2 core
NO valve: X2M: 3-4
230 V
3 core
X2M: 3-4-14a
230 V
2 core
A1P: X45A
signal
2 core
X5M: 7-8
signal
3 core for C/H operation
2 core for H only operation
main: X2M: 30-34-35
add: X2M: 30-34a-35a
signal
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
2 core
2×0.75
X5M: 11-12
communication
2 core
2×0.75
communication
4 core
X5M: 15-16
Notes:
- In case of signal cable: keep minimum distance to power cables >5 cm
POWER SUPPLY
Only for normal power supply installation
FIELD SUPPLY
Only for *KRP1HB*
Alarm indication
External heat source (e.g. boiler)
Cooling/heating ON/OFF output
Electricity meter pulse input 1
Only for high voltage Smart Grid
Smart Grid contact K2A
Only for low voltage Smart Grid
Smart Grid contact S11S
Electricity meter pulse input 2
Smart Grid pulse meter
2-way valve
M2S for cooling mode
OPTIONAL PART
Only for EKMBHBP1 (bypass valve kit)
M4S bypass valve
Flow switch
Only for KRCS01-1 or EKRSCA1
External thermistor (indoor or outdoor)
Only for *KRTW (wired room thermostat)
A2P: X1M: C-com-H
Only for *KRTR (wireless room thermostat)
A15P: X1M: H-C-com
A2P: X1M: 1-3
9
X2M: L-N
only for EKRTR1
9 A2P: X1M: 1-2
only for EKRTRB
A14P: P1-P2 user interface Only for remote user Interface
A13P: P1-P2 user interface Only for LAN adapter
MMI
WLAN cartridge
A11P: X1B: 3-4 A11P: X10
Optional part for EWA*/EWYA*
A11P: X1B: 1-2
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
1
5
5
5
6
6
8
8
OPTIONAL PART
2 core
(3m included)
signal
R2T External sensor
(floor or ambient)
Only for *KRTETS
4D139354 A
4P688013-1B – 2022.09