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Electrical Wiring
The wiring for the power line of the indoor unit, the wiring between indoor and outdoor units, and the wiring between
indoor units:
Items Total
Cross
Current
Section
of Indoor
(mm2)
Units(A)
<6
2.5
≥6 and <10
4
≥10 and <16
6
≥16 and <25
8
≥25 and <32
10
• The electrical power line and signal lines must be fastened tightly.
• Every indoor unit must have a ground connection.
• The power line should be enlarged if it exceeds the per miss ible length.
• Shielded lays of all the indoor and outdoor units should be connected together, with the shielded lay at the side of the
signal lines of the outdoor units grounded at onepoint.
• The whole length of the signal line should not exceed 1000m.
Signal Wiring of Wired controller
Length of Signal Line (m)
≤ 250
• The shielding lay of the signal line must be grounded at oneend.
• The total length of the signal line should not be more than250m.
Dipswitch Setting
Indoor Units PCB
In the following table, 1 represents ON and 0 represents OFF. Definition principles of code switches:
SWO1 is used to set the capabilities of the master and slave indoor units as well as the indoor unit; SW03 is used to set
the address of the indoor unit (combine original communication address and address of centralized controller).
(A) Definition and description ofSW01
SW01_1
SW01_2
Wired control
address
SW01_3
SW01_4
Indoor unit
capacity
SW01_5
SW01_6
SW01_7
SW01_8
Length
Rated
Rated current of residual
(m)
Current of
Circuit Breaker(A) Ground
Overflow
Fault Interrupter(mA)
Breaker(A)
Response time(S)
20
10
10 A,30 mA,0.1S or below
20
16
16 A,30 mA,0.1S or below
25
20
20 A,30 mA,0.1S or below
30
32
32 A,30 mA,0.1S or below
40
32
32 A,30 mA,0.1S or below
Wiring Dimensions
0.75mm2 × core shielding line
[1]
[2]
[3]
0
0
0
0
0
0
0
0
1
0
0
1
1
1
1
[5]
[6]
[7]
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
Outdoor -indoor (mm2)
[4]
Wired control address
0
Master unit in group control
1
Slave unit 1 in group control
0
Slave unit 2 in group control
1
Slave unit 3 in group control
1
Slave unit 15 in group control
[8]
Indoor unit capacity
0
0.6HP
1
0.8HP
0
1.0HP
1
1.2HP
0
1.5HP
1
1.7HP
0
2.0HP
1
2.5HP
0
3.0HP
1
3.2HP
0
4.0HP
1
5.0HP
0
6.0HP
1
8.0HP
0
10.0HP
1
15.0HP
18
Cross Sectional
Area of Signal Line
Indoor -indoor (mm2)
2 cores×0.75-2.0mm2
shielded line
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