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6.2 Electrical Wiring Connection
The ELB (earth leakage breaker), FUSE and S (main switch) must be installed to the each power
source of outdoor unit. If not, it may cause an electrical shock or a fire.
Perform the electrical work according to the regulations of each region and this manual
NOTE:Supply the power source of outdoor units and indoor units respectively
(1) Power Supply Wiring
Supply the power sources to the each outdoor unit respectively. Power source wiring is fundamentally according to
this method.
(2) Electrical Characteristics
Note the following when selecting wiring:
● Use the charts below to select appropriate sized breakers / fuses / overcurrent protection switches and
wiring in accordance with local codes.
● Ensure communication cable is a minimum of AWG18 (0.82mm
● The recommended diameters for power supply cords are for reference only，ampacities of power supply
wiring shall be suitable for the application in accordance with national electrical installation requirements.
Model
AVWT-72FHFSHA
AVWT-96FHFSHA
AVWT-120FHFSHA
AVWT-144FHFSHA
AVWT-168FHFSHA
AVWT-192FHFSHA
Model
AVWT-72FHFSHA
AVWT-96FHFSHA
AVWT-120FHFSHA
AVWT-144FHFSHA
AVWT-168FHFSHA
AVWT-192FHFSHA
460V 60Hz
Table 6.1 Minimum Wire Sizes for Power Source on Field
Outdoor Unit
Hz
Voltage
Max.
(Hz)
(V)
(V)
60
460
506
60
460
506
60
460
506
60
460
506
60
460
506
60
460
506
Wiring Size
Power Supply
Ground
Wiring
Wiring
(AWG)
(AWG)
12
12
12
12
10
10
10
10
8
8
8
8
WARNING
10
Distribution Box
2
), 2-Conductor, Stranded Copper.
Min.
MCA
MOP
Max. Fuse
(V)
(A)
(A)
414
18.4
30
23.4
40
414
25.8
40
414
414
29.0
40
35.1
45
414
39.8
50
414
MCA: Minimum Circuit Ampacity (A)
Communication
MOP: Maximum Overcurrent Protective Device (A)
Cable
MOC: Maximum Operating Current (A)
(AWG)
FLA: Fan Motor Running Ampacity (A)
18
18
18
18
18
18
20
.
Inverter 1 Inverter 2 Fan Motor
MOC
MOC
(A)
(A)
(A)
30
13.6
-
17.6
-
40
18.9
-
40
40
11.7
11.7
45
14.4
14.4
16.5
16.5
50
FLA
(A)
1.4
1.4
1.4×2
1.4×2
1.4×2
1.4×2
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