Daikin Altherma EPGA16DAV3 Installer's Reference Manual page 86

14 Technical data
Electrical connection diagram
For more details, please check the unit wiring.
Power supply
1
Only for normal power supply installation
3 core
unit power supply: 230 V + earth
1
Only for preferential kWh rate power supply installation
unit preferential kWh rate power supply:
3 core
230 V + earth
2 core
normal kWh rate power supply for indoor unit: 230 V
2 core
2x0.75
2
Preferential kWh rate power supply contact
Field supply
2
Safety thermostat Q4L
5 or 4 or 3
backup heater power supply (6/9 kW): 400 V or 230 V + earth
(F1B)
Field supply
Safety thermostat Q3L
Power limitation
demand input 1
Power limitation
demand input 2
Power limitation
demand input 3
Power limitation
demand input 4
Installer reference guide
86
Standard part
Outdoor unit
X1M: L-N-earth
X1M: 1-2-3
3 core
Indoor unit
X1M: 1-2-3
X2M: 5-6
X5M: 9-10
core
X6M: L1-L2-L3 + earth
or L-N + earth
or L1-L2-L3-N + earth
ext. heat source output
NO valve: X2M: 21-28
NC valve: X2M: 21-29
2 core 3
X5M: 1-2
signal
add: X2M: 30-34a-35a
3
Only for *KRP1AHTA
2 core
main: X2M: 30-31-34-35
A8P: X801M: 1-5
add: X2M: 30-31-34a-35a
signal
2 core
A8P: X801M: 2-5
3
signal
2 core
A8P: X801M: 3-5
signal main & add: X2M: 3-4
2 core
A8P: X801M: 4-5
signal
X4A + earth
Field supply
Only for *KRP1HB*
A4P: Y1-YC
2 core
X2M: 7-9
Alarm indication
230 V
Alarm output
A4P: X1-X2
2 core
Changeover to
Ext. heat source (e.g. boiler)
signal
A4P: Y2-YC
2 core
Cooling/heating
X2M: 7-9
On/OFF output
230 V
Cooling/heating
On/OFF output
2 core
X2M: 1-2
Circulation pump for DHW
230 V
2-way valve
2 core
M2S for cooling mode
230 V
2 core
X5M: 5-6
Electricity meter pulse input 1
signal
2 core
X5M: 3-4
Electricity meter pulse input 2
signal
Only for KRCS01-1 or EKRSCA1
2 core
X5M: 7-8
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
(wired room thermostat)
2 core for H only operation
main: X2M: 30-34-35
A2P: X1M: C-com-H
signal
Only for *KRTR
5 core for C/H operation
(wireless room thermostat)
4 core for H only operation
A15P: X1M: H-C-com
X2M: L-N
signal
Only for
main: X2M: 30-35
(heat pump convector)
add: X2M: 30-35a
4 core
A3P: X11M: 3-4-5-6
signal
2 core
Only for BRC1HH*
2x0.75
X5M: 11-12 A14P: P1-P2 user interface
communication
2 core
2x0.75
A13P: P1-P2 LAN adapter
communication
Notes:
- In case of signal cable: keep minimum distance to power cables >5 cm
Optional Part
Bottom Plate Heater
2 core
(3m included)
A2P: X1M: 1-3
signal
EPGA11~16DAV3 + EAVZ16S18+23DA6V+9W
Daikin Altherma – Low temperature split
4P556075-1 – 2019.02
Optional part
Only for *KRTETS
R2T
External sensor
(floor or ambient)
4D120622A