Daikin Altherma 3 H HT Series - W1 Model Electrical Wiring

5 Electrical installation
Installation manual
12
EPRA14~18DAV3+W1
Daikin Altherma 3 H HT
4P586100-1B – 2019.09
L N PE
1 2
4 (Optional) Power saving function: If you want to use the
power saving function:
▪ Disconnect X804A from X805A.
▪ Connect X804A to X806A.
X806A
X804A
X805A
INFORMATION
Power saving function. The power saving function is only
applicable for V3 models. For more information about the
power saving function ([9.F] or overview field setting
[E‑08]), see the installer reference guide.
5.3.2 In case of W1 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: 3N+GND
Maximum running current: Refer to name plate on unit.
—
L1 L2 L3 N PE
b
a
L1
L2
L3
N
3N~,
50 Hz,
400 V AC
b
a
Q1DI
L1
L2
L3
N
F1B
1
3
5
7
2
4
6
8
IIII
BRN
GRY
BLK
BLU
YLW/GRN
a Factory-mounted power supply cable
b Field wiring
F1B Overcurrent fuse (field supply). Recommended fuse: 4
pole, 16A or 20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
—