7
Installation Instructions
● Electric wiring
1. The installation must be done in accordance with the national wiring regulations.
2. Only the power cord with the rated voltage and exclusive circuit for the air conditioning
can be used.
3. Do not pull power cord by force.
4. The electric installation should be carried out by the professional personnel as instructed
by the local laws, regulations and also this manual.
5. The diameter of the power cord should be large enough and once it is damaged it must
be replaced by dedicated one.
6. The earthing should be reliable and the earth wire should be connected to the dedicated
device of the building by the professional personnel. Besides, the air switch coupled with
the leakage current protection switch must be equipped, which is of enough capacity and
of both magnetic and thermal tripping functions in case of the short circuit and overload.
Table 3
Models
Power Supply
Capacity of the
Air Switch
Recommended Cord
(pieces×sectional area)
SKOV2-18
220-240V~,50Hz
16A
3×1.5mm
2
SKOV3-24
SKOV4-28
220-240V~,50Hz
25A
3×2.5mm
2
Notes:
1. The specifications of the breaker and power cable listed in the table above are determined
based on the maximum power (maximum amps) of the unit.
2. The specifications of the power cable listed in the table above are applied to the
conduit-guarded multi-wire copper cable (like, YJV copper cable, consisting of PE insulated
wires and a PVC cable jacket) used at 40°C and resistible to 90°C (see IEC 60364-5-562).
If the working condition changes, they should be modified according to the related national
standard.
3. The specifications of the breaker listed in the table above are applied to the breaker with
the working temperature at 40°C. If the working condition changes, they should be
modified according to the related national standard.
● Earthing Requirements
1. The air conditioner is classified into the class l appliances, so its earthing must be reliable.
2. The yellow-green line of the air conditioner is the earth line and cannot be used for other
purpose, cut off or fixed by the tapping screw, otherwise it would cause the hazard of the
electric shock.
3. The reliable earth terminal should be provided and the earth wire cannot be connected to
any of the following places.
(1) Running water pipe
(2) Coal gas pipe
(3) Sewage pipe
(4) Other places where the professional personnel think unreliable.