A dedicated power supply circuit should be used, in accordance with local electrical safety regulations.
The product should be installed by a licenced air conditioning contractor in accordance with AS/NZS3000 and your electrical supplier's rules.
A circuit breaker should be installed.
WARNING: inadequate or incorrect electrical connections may cause electrocution or fire.
.Please ensure the the unit is reliably earthed.
the air conditioner is the earthing wire, and cannot be used for any other purpose. Improper earthing may cause electrocution.
The unit must be reliably earthed in accordance with AS/NZS3000.
AS/NZS3000 and your electrical supplier's rules.
Approved Service Centre 
