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7.2 Wiring
It is a must to connect ELB (Earth Leakage Breaker), CB (Circuit Breaker) and S (Main Switch) to
each outdoor unit's power supply. Otherwise, it may cause electric shock or fire.
Remark:
Connect power wires to indoor unit and outdoor unit separately.
(1) Power wire
Separate power wires for each outdoor unit as per the following method（Don't connect power wire
from other module):
Outdoor Unit power unit Supply
380 - 415V 3N ~ 50Hz
1
ELB
1
CB
2
2
S
3
3
4
4
Outdoor
Outdoor
unit
unit
5
D
C
7
(2) Recommended wire, ELB, and switching capacity is shown in Table 7.1
Table 7.1 Electrical Parameters And Recommendations Wires, ELB (Earth Leakage Breaker), capacity
Power
Model
Supply
JVOH080VPEMBQ
JVOH100VPEMBQ
JVOH120VPEMBQ
JVOH140VPEMBQ
380 - 415V
JVOH160VPEMBQ
3N ~ 50Hz
JVOH180VPEMBQ
JVOH200VPEMBQ
JVOH220VPEMBQ
JVOH240VPEMBQ
1
ELB
ELB
CB
CB
2
S
3
S
4
Outdoor
Outdoor
unit
unit
5
5
B
A
7
7
Maximum
Power
Operating
Wire④
Current
(A)
(mm²)
17.0
6
23.0
6
27.0
6
31.5
10
35.5
10
43.5
16
45.0
16
52.0
16
61.5
25
WARNING
!
1
ELB (Earth Leakage Breaker)
2
CB（Circuit breaker)
3
S（Main switch)
Power wire (outdoor unit)
4
5
Ground wires (outdoor unit)
1
ELB
6
Communication wire (outdoor-Indoor unit)
CB
7
Communication cable (outdoor-outdoor unit)
2
8
Power wire (indoor unit)
3
S
9
Ground wire (indoor unit)
4
Indoor unit side
5
S
CB
ELB
Indoor unit Power supply
220V ~ 50Hz
per outdoor unit
Communication
Rated
Wire⑥⑦
Current
(mm²)
(A)
0.75
25
0.75
32
0.75
32
0.75
40
0.75
50
0.75
50
0.75
63
0.75
63
0.75
80
42
6
Cable Box
Cable Box
8
8
Indoor
Indoor
unit
9
unit
6
ELB①
Circuit
Current
Breaker②
Sensitivity
(mA)
(A)
30
25
30
32
30
32
30
40
30
50
30
50
30
63
30
63
30
80
8
9
6
Ground
Wire⑤
(mm²）
6
6
6
10
10
16
16
16
16
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