Daikin SV1A25AJV1B User Reference And Installation Manual page 90

16 | Electrical installation
Installer and user reference guide
90
Component
Interconnection Voltage
wiring
Wire size
Recommended field fuse
Residual current device
(a)
MCA=Minimum circuit ampacity. Stated values are maximum values.
Power supply wiring
The power supply wiring must be protected with the required safety devices, i.e. a
main switch, a slow blow fuse on each phase and an earth leakage protector in
accordance with the applicable legislation.
Selection and sizing of the wiring should be done in accordance with the applicable
legislation based on the information mentioned in the table above.
Interconnection wiring
The interconnection wiring outside the unit should be wrapped and routed
together with the field piping. See
more information.
Selection and sizing of the wiring should be done in accordance with the applicable
legislation based on the information mentioned in the table above.
Interconnection wiring specification and limits
Maximum wiring length between SV unit and indoor units
Maximum wiring length between SV unit and outdoor unit
Maximum wiring length between SV units
Total wiring length
(a)
If the total interconnection wiring exceeds these limits, communication errors might occur.
Up to 16 branches are possible for unit-unit cabling. No secondary branching are
allowed after any interconnection wire branching.
SV1A SV4A
220-240 V
Only use harmonised wire providing
double insulation and suitable for the
applicable voltage.
2-core cable
0.75 mm²-1.5 mm²
Must comply with national wiring
regulation.
"16.3 To finish the electrical
Units
SV6A SV8A
6 A
4
wiring" [ 96] for
(a)
1000 m
1000 m
1000 m
2000 m
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09