84
(4) Specifications of indoor unit power supply: single-phase 220V and 50/60Hz
Item
Total
current
of indoor
units (A)
Minimum
cross
section
area of
power wire
(mm
2
)
Wiring
length
(m)
Rated
current
of over-
current
circuit
breaker
(A)
Rated current of leakage
circuit breaker (A)
Leakage current (mA)
Operation time (s)
Cross section area
of signal wire
Outdoor-
indoor
(mm
2
)
Indoor-
indoor
(mm
2
)
<10
2
23
20
20A, 30 mA, below 0.1 s 2-core ×
0.75-2.0
shielded
wire
2-core ×
0.75-2.0
shielded
wire
≥10 and <15
3.5
24
30
30A, 30 mA, below 0.1 s
≥15 and <22
5.5
27
40
40A, 30 mA, below 0.1 s
≥22and <27
10
42
50
50A, 30 mA, below 0.1 s
• Power wire and signal wire should be well fixed.
• All the indoor units should be grounded.
• Power wire should be thickened if its length is out of range.
• All the shielding layers of signal wire should be connected together with one end grounded.
• Total length of signal wire should not be more than 1000 m.
3. Essentials in signal wire connection
Outdoor unit 1
Indoor unit 1
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired
controller
Wired
controller
Indoor unit 6
Indoor unit 11
Indoor unit 16
Indoor unit 2
Indoor unit 7
Indoor unit 12
Indoor unit 17
Indoor unit 3
Indoor unit 8
Indoor unit 13
Indoor unit 18
Indoor unit 4
Indoor unit 9
Indoor unit 14
Indoor unit 19
Indoor unit 5
Indoor unit 10
Indoor unit 15
Indoor unit 20
Outdoor unit 2
Outdoor unit 3
Communication wire
between outdoor
units, which is polar
Control wire of wired
controller, which is polar
Содержание AWAU-YDV1010-H13
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