Gree GWH09AB-A3DNA1B, Service Manual

Page: 27 / 68

Installation Manual
7.1.5 Safety Precautions for Electric Appliances
1.A dedicated power supply circuit should be used in accordance with local electrical safety regulations.
2.Don’t drag the power cord emphatically.
3.The unit should be reliably earthed and connected to the special earth device by the professionals.
4.The air switch must have the functions of magnetic tripping and heat tripping to prevent short circuit and overload.
5.The minimum distance between the unit and combustive surface is 1.5m.
6.The appliance shall be installed in accordance with national wiring regulations.
7.An all-pole disconnection switch with a contact separation of at least 3mm in all poles should be connected in fixed wiring.
Note:
Make sure the live wire, neutral wire and earth wire in the family power socket are properlly connected. There should be
reliable circuit in the diagram.
Inadequate or incorrect electrical connections may cause electric shock or fire.
7.1.6 Earthing Requirements
1. Air conditioner is type I electric appliance. Please ensure the the unit is reliably earthed.
2. The yellow-green wire in air conditioner is the earthing wire which can not be used for other purposes. Improper earthing may
cause electric shock.
3. The earth resistance should accord to the national criterion.
4. The user’s power must have reliable earthing terminal. Please don’t connect the earthing wire with the following:
Water pipe Gas pipe Contamination pipe
Other place that professional personnel consider is unreliable
5. The model and rating values for fuses accord with the silk print on fuse cover or related PCB.
24