Ground Requirements; Precautions Of Electrical Wiring Work; Precaution Of Laying Wires - Gree GC201306 -1 Service Manual

temperature at 40 . If the working condition changes, they should be modified according to the related
national standard.
The length of the recommended power cable should be less than 15 meters; otherwise,
power cable is not enough.
Mentioned power cable and transmission line length is just a reference value. It may be different
depending on the condition of installation, humidity or materials, etc.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
connected in fixed wiring.

7.3 Ground Requirements

The air conditioner is classified into the Class I appliances, so its ground ways must be reliable.
The ground wire must be fixed on the screw hole with the sign as the right figure.
The yellow-green wire of the air conditioner is the ground wire and must be fixed by the tapping screw.
And it cannot be used for other purpose or cut off. Otherwise, it will cause the hazard of electric shock.
The reliable ground terminal should be provided and the
following places: a.
Other unreliable places considered by a professional.

7.4 Precautions of Electrical Wiring Work

The ground connection should be reliable and the ground wire should be connected to the dedicated
device of the building by the professional.
The electric installation should be carried out by the professional as instructed by the local laws,
regulations and also this manual.
The air switch coupled with the leakage current protection switch must be equipped in the circuits, which
is of enough capacity and of both magnetic and thermal tripping functions in case of the short circuit and
overload.
The power supply of the outdoor unit and all the BU modules should be separately.
The electrical work should use a cable length enough to cover the entire distance with no connection. If
it is unavoidable, please make sure the connection should be reliable and the external forces will not act
on the wires. Otherwise it will cause electrical shock or fire etc.
The power cable with the rated voltage and exclusive circuit for the air conditioning should be used.
Do not pull the power cable by force.
The diameter of the power cable should be large enough and once it is damaged, it must be replaced by the
dedicated one.

7.5 Precaution of Laying Wires

1) Use a wire stripper to strip off about 25mm of the insulation layer at the end of the wires;
2) Loosen the screws on the terminal block of the air conditioner;
3) Use the pliers to bend the end of the wire into a ring shape corresponding the size of the screw;
4) Pass the screw through the wire ring and fix it onto the terminal block.
℃
Water pipe; b. Coal gas pipe; c. Sewage pipe; d.
ground wire cannot be connected to any of the
Lightning rod e. Telephone line f.
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the diameter of the
117 INSTALLATION