9
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Electrical installation
Installer reference guide
115
ERGA04~V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1 – 2022.01
b
Preferential kWh rate power supply
1
Power supply for outdoor unit
2
Interconnection cable to indoor unit
3
Power supply for backup heater (optional)
4
Preferential kWh rate power supply (voltage free contact)
5
Power supply for indoor unit
9.2 Connections to the outdoor unit
Item
Description
Power supply cable
See
"9.2.2 To connect the electrical wiring to the
Interconnection cable
9.2.1 Specifications of standard wiring components
Component
ERGA04EAV3
ERGA06EAV3H
ERGA08EAV3H
ERGA04~08EAV3A
Power supply cable
MCA
(a)
19.9 A
24.0 A
15.9 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
20 A
25 A
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).
Component
ERGA04EAV37
Power supply cable
MCA
(a)
19.9 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
20 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 switch box cover.
