Connections To The Outdoor Unit; Specifications Of Standard Wiring Components - Daikin Altherma 3 R MT F Series Installer's Reference Manual

9.2 Connections to the outdoor unit

9.2.1 Specifications of standard wiring components

ERRA08~12E + ELVZ12S18+23E
Daikin Altherma 3 R MT F
4P708478-1 – 2023.05
5 Normal kWh rate power supply (to power the indoor unit PCB in
the event of power supply interruption of the preferential kWh
rate power supply)
Item
Power supply cable
Interconnection cable
Drain tube heater cable
Connection for power
saving function (only for V3
models)
Air thermistor cable
Component
Power supply MCA
cable
Voltage
Phase
Frequency
Wire size
Interconnection Voltage
cable (indoor ↔
Wire size
outdoor)
Recommended field fuse
Earth leakage circuit breaker /
residual current device
(a)
MCA=Minimum circuit ampacity. Stated values are maximum values (see electrical data of
combination with indoor units for exact values).
See "9.2.2 To connect the electrical wiring to the
4
outdoor unit" [ 114].
See "9.2.3 To reposition the air thermistor on the
4
outdoor unit" [ 118].
V3
(a)
29.5 A
220-240 V
1~
MUST comply with national wiring
Wire size based on the current, but not less
Only use harmonised wire providing double
insulation and suitable for applicable
32 A, C curve
30 mA – MUST comply with national wiring
9 Electrical installation
|
Description
W1
9.8 A
380-415 V
3N~
50 Hz
regulation.
3 or 5-core cable
2
than 2.5 mm
220-240 V
voltage.
4-core cable
2
Minimum 1.5 mm
16 A or 20 A, C curve
regulation
Installer reference guide
113