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Possible layouts in case of 4V models (4.5 kW multistep backup
heater)
LAYOUT C
4.5 kW
L1 L2 L3 N1 N2
X41M
a
F1B
I
I
I
I
Q1DI
L1 L2 L3
N
3N~, 50 Hz
400 V AC
LAYOUT E
For this layout, you need option
kit EKBUKRW3.
4.5 kW
A6P
X604A
1 2 3
4 5
1 2 3 4 5
1 2 3
X21YB
x
1 2 3
X21Y
11
21 31
Q1L
12
22 32
X41M L1
L2 L3 N1 N2
a
F1B
I
I
I
I
Q1DI
L1 L2 L3
3~, 50 Hz
230 V AC
Specifications of wiring components
Component
Power supply:
Voltage
Power
Rated current
Phase
Frequency
Wire size
Recommended overcurrent
fuse
Earth leakage circuit
breaker
EPBX10~14A
Daikin Altherma 4 H W
4P773385-1 – 2024.11
LAYOUT D
4.5 kW
X41M L1 L2 L3 N1 N2
a
F1B
I
I
I
I
Q1DI
L1
N
1N~, 50 Hz
230 V AC
LAYOUT F
For this layout, you need option
kit EKBUKRW1.
4.5 kW
A6P
X604A
1 2 3 4 5
1 2 3 4 5
1 2 3
X21YC
x
1 2 3
X21Y
11
21 31
Q1L
12
22 32
X41M L1
L2 L3 N1 N2
a
F1B
I
I
Q1DI
L1 L2
2~, 50 Hz
230 V AC
A
B
390-410 V
220-240 V
9 kW
6 kW
13 A
13 A
3N~
1N~
MUST comply with national wiring regulation
Wire size based on the current, but minimum 2.5 mm²
5-core cable
3L+N+GND
2L+2N+GND
4-pole 16A
MUST comply with national wiring regulation
a
Follow cable route
câblage électrique à l'unité
x
Factory-mounted
EKBU
Option kit: Backup heater wire harness for a 2-phase
KRW1
230 V without N power supply.
To be used instead of the factory-mounted wire
harness (with connector X21YA).
EKBU
Option kit: Backup heater wire harness for a 3-phase
KRW3
230 V without N power supply.
To be used instead of the factory-mounted wire
harness (with connector X21YA).
F1B Overcurrent fuse (field supply)
Q1DI Earth leakage circuit breaker (field supply)
Q1L Thermal protector backup heater
[5.5] Chauffage d'appoint
MMI
LAYOUT
C
D
390-410 V
4.5 kW
6.5 A
13 A
3N~
1N~
50 Hz
3L+N+GND
2L+2N+GND
4-pole 10A
4-pole 16A
6 Installation électrique
a
in
"6.4.1 Raccordement du
intérieure" [ 4 14].
E
F
220-240 V
(a)
(a)
17 A
19.6 A
3~
2~
Min. 4 mm²
4-core cable
3-core cable
3L+GND
2L+GND
4-pole 20A
2-pole 25A
Manuel d'installation
17
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