PRELIMINARY DATA ONLY Ver. 5.01 210406
THIS LABEL TO BE REMOVED ON SIGN-OFF
20
Installation and Commissioning Guide- Package Ducted Variable Capacity Commercial
Doc. Part No. 0525-067 Ver. 5 210414
Installation and Commissioning Guide
Variable Capacity Commercial
11. Electrical Installation
All electrical work must be carried out by a qualified 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 qualified technicians are allowed to perform these tasks.
• Follow all electrical safety precautions when exposed to live electrical components.
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 Power Requirements and Procedures
It is the installer’s responsibility to provide power supply wiring to the unit’s Mains Power Supply terminal block. Make sure
all wirings 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 within
+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.
•
Secure the power cords and control cables that goes in/out the unit. Use the cable ties provided in the control box.
•
Provide the proper unit earthing in accordance with the local and national codes.
Compressor Voltage Balance Requirement
Check the voltage at the compressor terminals to determine if it is balanced. Voltage imbalance on three phase systems
Check the voltage at the compressor terminals to determine if it is balanced. Voltage imbalance on three phase systems
can cause motor overheating and premature failure. The maximum allowable imbalance is
can cause motor overheating and premature failure. The maximum allowable imbalance is � 2.0%, check the unit wiring
2.0%, check the unit wiring
connections to locate and rectify the faults, should the voltage imbalance exceed this value.
connections to locate and rectify the faults, should the voltage imbalance exceed this value.
NOTES
• Parts for the Condensate Trap are not supplied with the unit.
• Refer to Unit Drawing and Dimensions page of the Technical Selection Catalogue for specifications and details of drain
connectors.
