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14 Technical data
Installer reference guide
93
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
Electrical connection diagram
For more details, please check the unit wiring.
X1Y: 1-2
X1M: 1-2-3
X1M: 1-2-3
X2M:29
2x0.75
2x0.75
X2M: 30-31
X5M: 3-4
1
1
F2B:
L-N + PE
X6/9M
5Gx2.5
230 V
X2M: 13-14
X9A (PCB A1P)
230 V
A4P: X4
X2M: 28
230 V
SPST:
X2M: 8-9-10
A4P: Y1
X2M: 28
230 V
230 V
A4P: Y3
X2M: 29
A4P: X1-X2
230 V
230 V
A3P: X1M: com-H
230 V
A4P: X1M: H-com
X2M: L-N
A3P: X1M: 1-3
R2T
230 V
X2M: 32-33
X11M: 3-4-5-6
X5M: 1-2
2x0.75
2x0.75
X2M: 34-35
230 V
X5M: 5-6
X5M: 7-8
X5M: 9-10
2 core
230 V
230 V
230 V
230 V
230 V
A4P: Y2
X2M: 29
Q*L
X5M
230 V
F2B
X7M
5
5
5
2
2
4D106404-1
3
3
X3M: 3-4-5
X3M: 1-2
X5M: 11-12
230 V
X15M: 8-9-10
X15M: 6-7
X15M: 1-2
F1B:
L1-L2-L3-N + PE
or L-N + PE
4
4
K1
230 V
3Gx2.5
(EKLBUHCB6W1)
Q*L
X8M
A4P:Y2
Only for normal power supply installation
Field supply
5 or 3 core
Safety thermostat
unit power supply: 400 V or 230 V + earth
2 core
normal kWh rate power supply for indoor unit: 230 V
3 core
5 or 3 core
Preferential kWh rate power supply contact
400 V or 230 V + earth
unit preferential kWh rate power supply:
Only for preferential kWh rate power supply installation
Standard part
Main power supply
Outdoor unit
- In case of signal cable: keep minimum distance to power cables >5 cm
- Available heaters depending on model: see combination table
Notes:
Only for *KBPHT*
& depending on model
Bottom plate heater
X1M: L1-L2-L3-N-earth
or L-N-earth
2 core
3 core
NC valve: X2M: 5-7
NO valve: X2M: 6-7
Solar input
Changeover to
ext. heat source output
Alarm output
Heating On/OFF output
Only for *KHW(E/S)*Z2
Optional anti-legionella heater power supply (3 kW):
230 V (1N~) + earth
Only for *KHW(E/S)*V3 and *KHWP*/*HYC*
400 V (2~) + earth
for EHVH*
Power supply
Anti-legionella heater power supply (2.4 kW): 230 V + earth
3 core
F2B: L-N-earth
F2B: L1-L2-earth
Domestic hot
water tank
2 core
signal
2 core
Only for KRCS01-1 or EKRSCA1
signal
signal
2 core
2 core
2 core
2 core
2 core
signal
M2S shut-off valve
2-way valve
Heating On/OFF output
Electricity meter
pulse input 1
Electricity meter
pulse input 2
Only for *KSR3PA option
external thermistor
(indoor or outdoor)
Circulation pump for DHW
Only for *KRP1HB* & *KSOLHWAV1
Ext. heat source (eg boiler)
BSK: 1-2 solar interlock
alarm indication
Clixon Q1L
Step 1 - 2
Thermistor
signal
5 core
2 core
backup heater power supply (6 kW): 400 V or 230 V + earth
Power supply
3-5 core
External room thermostat / Heat pump convector
(main and/or additional zone)
Optional part
X4M: 1-2-earth
Only for *KSOLHWAV1
X4M: 1-2-earth
Only for *KRP1AHTA
A8P: X801M: 4-5
A8P: X801M: 3-5
A8P: X801M: 2-5
A8P: X801M: 1-5
main: X2M: 1-4
add: X2M: 1a-4
main: X2M: 1-3-4
add: X2M: 1a-3-4
main: X2M: 1-4
add: X2M: 1a-4
External sensor
(floor or ambient)
2 core
(3m included)
Only for *KRTETS
signal
2 core
4 core
communication
2 core
4 core
Only for *KRTR
(wireless room thermostat)
Only for
(heat pump convector)
Only for *KRTW
(wired room thermostat)
2 core
communication
Only for *KRUCBL*
A2P: P1-P2 user interface
A2P: P1-P2 user interface
Standard part
Optional part
Power limitation
demand input 4
Power limitation
demand input 3
Power limitation
demand input 2
Power limitation
demand input 1
or 400 V
3 core
2 core
signal
5 core
2 core
2 core
2 core
2 core
2 core
Anti-legionella heater
clixon
R5T - thermistor
water temperature
Q2L/Q3L - clixon
anti-legionella heater
Anti-legionella heater
M3S (when *KHW is installed)
selection domestic hot water-floor heating
solar pump
2-way valve
clixon
Only for *KHWP*/*HYC*
Only for *KHW(E/S)*
Field supply
Indoor unit
Optional parts for EHBH* (*KHW*)
Field supply
3-way valve
Only for *KHWSU*V3
BUH option
2 core
3 core
3 core