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Electrical installation
Installer reference guide
95
EPRA14~W1 + ETBH/9W
Daikin Altherma 3 H HT W
4P587501-1A – 2020.01
b1+b2
Interconnection cable (field supply)
c1+c2
(optional) Drain tube heater cable (field supply)
d
Cable sleeves (factory-mounted)
4
Inside the switch box, connect the wires to the appropriate terminals, and fix
the cables with cable ties. See:
▪
▪
In case of V3 models
1
Power supply cable
:
▪
Use the factory-mounted cable, which is already routed through the frame.
▪
Connect the wires to the terminal block.
▪
Fix the cable with a cable tie.
Use the factory-mounted cable.
Wires: 1N+GND
Maximum running current: Refer to name plate on unit.
—
L N PE
b
a
L
N
Q1DI
1N~,
50 Hz,
230 V AC
F1B
1
3
2
4
I
I
BRN
BLU
YLW/GRN
b
a
L
N
a
Factory-mounted power supply cable
b
Field wiring
F1B
Overcurrent fuse (field supply). Recommended fuse: 2 pole, 32 A fuse, C curve.
Q1DI
Earth leakage circuit breaker (30 mA)(field supply)
2
Interconnection cable
(indoor↔outdoor):
▪
Route the cable through the frame.
▪
Connect the wires to the terminal block (make sure the numbers match with
the numbers on the indoor unit) and the earth screw.
▪
Fix the cable with a cable tie.
Wires: (3+GND)×1.5 mm²
