Connections To The Outdoor Unit; Specifications Of Standard Wiring Components; To Connect The Electrical Wiring To The Outdoor Unit - Daikin ETBH16E9W Installer's Reference Manual

9 | Electrical installation

9.2 Connections to the outdoor unit

9.2.1 Specifications of standard wiring components

9.2.2 To connect the electrical wiring to the outdoor unit

Installer reference guide
106
4 Preferential kWh rate power supply (voltage free contact)
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).
1 Open the switch box cover. See
See "9.2.2 To connect the electrical wiring to the
4
outdoor unit" [ 106].
See "9.2.3 To reposition the air thermistor on the
4
outdoor unit" [ 113].
(a)
30.7 A
220-240 V
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
"7.2.2 To open the outdoor
Description
V3 W1
13 A
380-415 V
1~ 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
4
unit" [
EPRA14~18D + ETBH/X16E
Daikin Altherma 3 H HT W
4P644736-1D – 2023.10
70].