Daikin ERLA03DAV3 - Connections to the Outdoor Unit; Specifications of Standard Wiring Components; To Connect the Electrical Wiring to the Outdoor Unit

9 | Electrical installation
Installer reference guide
90
ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
b Preferential kWh rate power supply
1 Power supply for outdoor unit
2 Power supply and interconnection cable to indoor unit
3 Power supply for backup heater
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)
9.2 Connections to the outdoor unit
Item Description
Power supply cable See "9.2.2To connect the electrical wiring to the
outdoor unit"[490].
Interconnection cable
9.2.1 Specifications of standard wiring components
Component ERLA03DAV3
Power
supply
cable
MCA
(a)
13.0A
Voltage 230V
Phase 1~
Frequency 50Hz
Wire sizes Must comply with applicable legislation
Interconnection cable Minimum cable section of 1.5mm² and applicable for
230V
Recommended field
fuse
16A
Earth leakage circuit
breaker
Must comply with applicable legislation
(a)
MCA=Minimum circuit ampacity. Stated values are maximum values (see electrical data of
combination with indoor units for exact values).
9.2.2 To connect the electrical wiring to the outdoor unit
1 Remove the service cover. See "7.2.2To open the outdoor unit"[454].
2 Strip insulation (20mm) from the wires.
a b
a Strip wire end to this point
b An excessive strip length may cause electrical shock or leakage
3 Open the wire clamp.
4 Connect the interconnection cable and power supply as follows: