32
The wiring for the power line of indoor unit, the wiring between indoor and outdoor units as well as the wiring
between indoor units:
■
The electrical power line and signal lines must be fastened tightly.
■
Every indoor unit must have the ground connection.
■
The power line should be enlarged if it exceeds the permissible length.
■
Shielded lays of all the indoor and outdoor units should be connected together, with the shielded lay at the side of
signal lines of outdoor units grounded at one point.
■
It is not permissible if the whole length of signal line exceeds 1000m.
Items
Total
current of
indoor units
(A)
Cross
section
(mm
2
)
Length
(m)
Rated
current of
overflow
breaker
(A)
Rated current of residual
circuit breaker (A)
ground fault Interruptor (mA)
response time (S)
Cross sectional
area of signal Line
Outdoor-indoor
(mm
2
)
Indoor-indoor
(mm
2
)
<10
2
20
20
20 A,30 mA,0.1S or below
2 cores×(0.75-2.0)mm
2
shielded line
≥
10 and <15
3.5
25
30
30 A,30 mA,0.1S or below
≥
15 and <22
5.5
30
40
40 A,30 mA,0.1S or below
≥
22 and <27
10
40
50
50 A,30 mA,0.1S or below
Signal wiring of wired controller
Length of signal line (m)
Wiring dimensions
≤ 250
0.75mm
2
×3 core shielded line
※
The shielding lay of the signal line must be grounded at one end.
※
The total length of the signal line shall not be more than 250m.
Summary of Contents for AWSI-CFV007-N11
Page 1: ...Service Manual Round Way Cassette Type Indoor Unit...
Page 53: ......
