Installation and Commissioning Guide
Variable Capacity Commercial
11
Installation and Commissioning Guide - Split Ducted Variable Capacity Commercial Indoor Unit
Doc. No. 0525 - 068
Ver. 3 201104
08. Electrical Installation
All electrical work must be carried out by a qualified and licensed technician. Make sure all wiring is in accordance with
local wiring rules. Wiring connections should be made in accordance with the wiring diagram provided.
DANGER
Live Electrical Supply !
• During installation of your air conditioning unit, it may be necessary to work in close proximity to live electricity. Only
licensed electricians are allowed to perform these tasks.
• Follow all electrical safety precautions when exposed to live electrical components.
• Always make sure that all power supply, including remote controls, are disconnected before performing maintenance.
• Observe proper LOCK-OUT / TAG-OUT (LOTO) procedures to ensure that power cannot be inadvertently energised.
• Failure to disconnect power before maintenance procedure can result in serious injury or death.
• All electrical wiring must be in accordance with the relevant electrical authority rules and regulations.
Wiring Diagram
The wiring diagram specific for your air conditioning system is located on the inside panel of the control access door.
Always refer all wiring installation, servicing and troubleshooting of this equipment to this diagram to ensure correct
electrical connection are satisfied.
Supply and Power Requirements Procedure
It is the installer’s responsibility to provide power supply wiring to the mains supply terminal strip of the outdoor unit.
Make sure all wiring are in accordance with local wiring rules. Wiring should conform to all current electrical authority
regulations and all wiring connections to be as per electrical diagram provided with the unit.
●
Confirm that the power supply available is compatible with the unit nameplate ratings. The supply power must be
10% to -6% of the rated voltage as per AS60038.
●
Protect electrical service from over current and short circuit conditions in accordance with the latest edition of the
AS/NZS 3000 “Australian / New Zealand Wiring Rules”. Size protection devices according to the electrical data of the
unit.
●
Installer to connect an appropriate load break (AC3) isolator in sub-mains wiring.
●
Secure the power cords and control cables that goes in/out the unit. Use the cable ties provided in the control box.
●
Provide proper unit earthing in accordance with local and national codes.
