Daikin EPRA18DAV3 - Page 92

8 | Electrical installation
Installer reference guide
92
EPRA14~18DAV3+W1 + ETVH/X16S18+23DA6V+9W(G)
Daikin Altherma 3 H HT F
4P587502-1B – 2020.12
a1+a2 Power supply cable (field supply)
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"[492]
▪ "In case of W1 models"[494]
In case of V3 models
1 Power supply cable:
▪ Route the cable through the frame.
▪ Connect the wires to the terminal block.
▪ Fix the cable with a cable tie.
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
II
BRN
BLU
YLW/GRN
b
a
L
N
a Power supply cable (field supply)
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.