Daikin EHVZ16S18CB3V [25/28] Core 3m included
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Daikin EHVZ16S18CB3V [25/28] Core 3m included

Daikin EHVZ16S18CB3V [25/28] Core 3m included
8 Technical data
Installation manual
25
EHVZ04~16S18CB3V
Daikin Altherma – Low temperature split
4P401672-1E – 2018.02
Electrical connection diagram
For more details, please check the unit wiring.
X1Y: 1-2
X1M: 1-2-3
X1M: 1-2-3
A4P:Y2
X2M:29
2x0.75
X2M: 30-31
X5M: 3-4
1
1
A4P: Y1
X2M: 29
230 V
A4P: X1-X2
230 V
230 V
230 V
A4P: X1M: H-C-com
X2M: L-N
A3P: X1M: 1-3
R2T
230 V
X11M : 5-6
X5M: 1-2
2x0.75
2x0.75
X2M: 34-35
230 V
X5M: 5-6
X5M: 7-8
X5M: 9-10
A8P: X801M: 1-5
A8P: X801M: 2-5
A8P: X801M: 3-5
A8P: X801M: 4-5
230 V
A4P: Y2
X2M: 29
2
2
2
X5M: 11-12
2
2
4D096036A
A3P: X1M: C-com-H
Only for *KRP1HB*
Field supply
communication
External sensor
(floor or ambient)
external thermistor (indoor or outdoor)
Only for KRCS01-1 or EKRSCA1
2way valve
Bottom plate heater
Only for *KBPHT*
& depending on model
X1M: L1-L2-L3-N-earth
or L-N-earth
2 core
3 core
Indoor unit
Notes:
- In case of signal cable: keep minimum distance to power cables > 5 cm
Outdoor unit
Cooling/heating
On/OFF output
Electricity meter pulse input 2
Electricity meter pulse input 1
Circulation pump for DHW
M2S (*KHBX units) for cooling mode
Ext. heat source (eg boiler)
alarm indication
2 core
2 core
signal
2 core
signal
signal
2 core
2 core
2 core
signal
2 core
2 core
Only for *KRTW
(wired room thermostat)
External room thermostat / Heat pump convector
(main and/or additional zone)
Optional part
Only for *KRTR
(wireless room thermostat)
Only for *KRTETS
2 core
(3m included)
signal
2 core
2 core
4 core for H only operation
5 core for C/H operation
2 core for H only operation
3 core for C/H operation
Only for
(heat pump convector)
signal
2 core
signal
2 core
signal
2 core
signal
2 core
Power limitation
demand input 4
Power limitation
demand input 3
Power limitation
demand input 2
Power limitation
demand input 1
Field supply
Standard part
Optional part
A2P: P1-P2 user interface
A2P: P1-P2 user interface
Only for *KRUCBL*
communication
2 core
main: X2M: 1-4
add: X2M: 1a-4
main: X2M: 1-2-3-4
add: X2M: 1a-2a-3-4
main: X2M: 1-2-4
add: X2M: 1a-2a-4
NO valve: X2M: 6-7
NC valve: X2M: 5-7
Cooling/heating
On/OFF output
Changeover to
ext. heat source output
Alarm output
Only for *KRP1AHTA
F1B: L-N + earth
2 core
signal
Safety thermostat
Field supply
Field supply
3 core
backup heater power supply (3 kW): 230 V + earth
Safety thermostat
normal kWh rate power supply for indoor unit: 230 V
unit preferential kWh rate power supply:
400 V or 230 V + earth
Only for preferential kWh rate power supply installation
5 or 3 core
2x0.75
2 core
2 core
5 or 3 core
unit power supply: 400 V or 230 V + earth
Only for normal power supply installation
Standard part
Power supply

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