Airwell VVFA Serie Installationsanleitung Seite 23

Electric wiring and the application
• When power cable exceeds the range, thichen it appropriately.
• The appliance shall be installed in accordance with national wiring regulations.
• All wiring must be performed by an authorized electrician.
• Be sure to install an earth leakage circuit breaker in accordance with applicable legislation.Failure to do so many cause
electrical shock.
Indoor power source and communication wiring
• Power lines shall not use other wires other than copper wire.
• All internal and external machines must be connected to the ground of the power supply. The earthing wire shall not be
connected to the ground wire of the gas pipe, water pipe, lightning rod or telephone. If the grounding is not appropriate,
may cause electric shock or fire.
• Power supply must be installed leakage circuit breaker, otherwise, may cause electric shock or fire.
• The operation and maintenance of electrical equipment shall be carried out under the condition that the power supply
is cut off.
• The indoor and outdoor units set their own independent power supply.
• The signal line and the power line must be independent, non electric signal line access.
Item
Power cable
Indoor section
2
total (mm
current (A)
<10 2
≥10 and <15 3.5
≥15 and <22 5.5
≥22 and <27 10
• Power cable and communication wire must be fixed firmly.
• Each indoor must be grounded well.
• When power cable exceeds the range, increase the gauge appropriately.
• Shielded layer of communication wires must be connected together and be earthed at single point.
• The total length of communication wire cannot exceed 1000m.
Communication wire for wired controller
Length of Signal Line (m)
≤250
• 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.
Rated current
Wire length of overcurrent
(m) breaker
)
(A)
23 20
24 30
27 40
42 50
Wiring Dimensions
2
0.75mm × 3 core shielding line
PROHIBIT
Rated current of residual
circuit breaker(A)
Ground fault interruptor(mA)
response time(S)
20A, 30mA, below 0.1s
30A, 30mA, below 0.1s
40A, 30mA, below 0.1s
50A, 30mA, below 0.1s
15
Communication wire section
Outdoor/indoor Indoor/indoor
2 2
(mm ) (mm
2-core × (0.75-2.0mm
shielded wire
)
2
)