6 Electrical installation
Installation manual
12
ERRA08~12E
Daikin Altherma 3 R MT
4P708481-1 – 2023.02
3
(Optional)
Power saving function
: If you want to use the
power saving function:
▪ Disconnect X804A from X805A.
▪ Connect X804A to X806A.
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.
6.4.2
In case of W1 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: 3N+GND
Maximum running current: Refer to name plate on unit.
—
3N~,
50 Hz,
400 V AC
b
a
Q1DI
L1
L2
L3
N
F1B
1
3
5
7
2
4
6
8
I
I
I
I
BRN
GRY
BLK
BLU
YLW/GRN
a
Power supply cable (field supply)
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
—
