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Electrics installation requirements
■
For the first installation
If the users' electrical environment has serious risks, the installer should refuse
to install, and explain the reasons. Install after removing the risks.
The power supply voltage must be within the range of 10%. If not, some rectification
measures should be taken.
The line should be equipped with a leakage protector and a master switch. Forbid to
exchange the fuse with copper wire or others. To select the correct fuse, it should
base on 1.5 to 3 times of the maximum power of the air conditioner (connected to
the line) and add the sum of the maximum current from other electrics.
The user's power lines should have grounding wire, if no grounding wire, installer
should refuse to install, and explain the reasons.
The power supply to air conditioner must use the specified branch line. Power
delivery must meet the following requirements:
Table for Wire Cross-sectional Area (Diameter) and Switch (Socket) and Fuse Size and Load
Current Comparison
The specified power delivery device and wires for air
conditioner
The maximum
cross-sectional
current(A)
(mm square)
≦10
1 or 1.5
≦16
1.5 or 2.5
≦25
2.5 or 4
≦32
4 or 6
NOTE: The maximum current of air conditioner is the maximum output current
value written on the nameplate of indoor unit. The maximum current of lines is
the maximum current of the air conditioner plus the maximum current from other
electrics.
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During installation construction
The connecting power cable between indoor and outdoor units (including high
voltage signal wire) must use chloroprene rubber cable, forbid to use PVC cable.
Forbid to lengthen or cut short the cable. For the excess power cable, it should
be roundly collated, forbid to twine it to small circles.
Grounding wire should use the yellow/green wire, and has sufficient diameter.
Forbid connecting grounding wire to running water pipe or gas pipe or power lines
or lightning line.
For wiring, you must refer to the wiring diagram pasted on the unit, and make sure
the parts are correct and then to connect.
For wiring, each wire end must press the U-type terminal as required before it is
connected to the terminal blocks. The U-type terminal must firmly connect to the
wire.
4.Installation guide
Wire
Socket or switch/
fuse nominal
area
specification (A)
16／16
32／25
63／50
63／50
10
Power delivery device and wires for power bus
Wire
The maximum
cross-sectional
current of lines
area
(1.5-3)(A)
(mm square)
≦16
1.5～4
≦25
2.5～4
≦32
4～10
≦40
6～16
≦63
10～25
≦ Switch/fuse
normal
specification (A)
32／25
63／50
63／50
100／80
125／125
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