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6. Wiring
Bulkhead Split Ducted Air Conditioner
Safety Precautions
WARNING
• Be sure to disconnect the power supply before working on the unit.
• All electrical wiring must be done according to local and national regulations.
• Electrical wiring must be done by a qualified technician. Improper connections may cause electrical malfunction,
injury and fire.
• Connect the power cable to the terminals and fasten it with the clamp.
• Make sure that all wiring is done correctly and the control board cover is properly installed. Failure to do
so can cause overheating at the connection points, fire, and electrical shock.
CAUTION
• Connect the outdoor wires before connecting the indoor wires.
• Make sure you earth the unit. Improper earthing may cause electrical shock.
•
DO NOT
connect the unit with the power source until all wiring and piping is completed.
• Make sure that you do not cross your electrical wiring with your signal wiring, as this can cause distortion and
interference.
Follow these instructions to prevent distortion when the compressor starts:
• The unit must be connected to its individual sub-circuit. Ensure sub-circuit mains are of recommended size to ensure
minimal
voltage drop at supply terminals.
• No other equipment should be connected to the same sub-circuit as the A/C unit.
• The unit’s power information can be found on the rating sticker on the product.
TAKE NOTE OF FUSE SPECIFICATIONS
The air conditioners circuit board (PCB) is designed with a fuse to provide overcurrent protection. The specifications of
the fuse are printed on the circuit board, such as: T5A/250VAC, T10A/250VAC, etc.