Daikin SV1A25AJV1B - Specifications of Standard Wiring Components

16 | Electrical installation
Installer and user reference guide
89
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
WARNING
If the supply cord is damaged, it MUST be replaced by the manufacturer, its service
agent or similarly qualified persons in order to avoid a hazard.
WARNING
▪ If the power supply has a missing or wrong N-phase, equipment might break
down.
▪ Establish proper earthing. Do NOT earth the unit to a utility pipe, surge absorber,
or telephone earth. Incomplete earthing may cause electrical shocks.
▪ Install the required fuses or circuit breakers.
▪ Secure the electrical wiring with cable ties so that the cables do NOT come into
contact with sharp edges or piping, particularly on the high-pressure side.
▪ Do NOT use taped wires, extension cords, or connections from a star system.
They can cause overheating, electrical shocks or fire.
CAUTION
Do NOT push or place redundant cable length into the unit.
INFORMATION
Also read the precautions and requirements in the "general safety precautions"
chapter in the installer and user reference guide.
16.1.2 Specifications of standard wiring components
Field wiring consists of:
▪ power supply wiring (including earth),
▪ DIII interconnection wiring between units.
NOTICE
▪ Keep the power line and transmission line apart from each other. Transmission
wiring and power supply wiring may cross, but may NOT run parallel.
▪ In order to avoid any electrical interference, the distance between both wirings
should ALWAYS be at least 50mm.
Component Units
SV1A SV4A SV6A SV8A
Power supply cable MCA
(a)
0.1A 0.2A 0.3A 0.3A
Voltage 220-240V
Phase 1~
Frequency 50Hz
Wire size Must comply with national wiring
regulation.
3-core cable
Wire size based on the rated current, but
not less than 0.5mm².