10
GB
D
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NL
P
GR
RU
TR
GB
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GB
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GB
9.1. Power supply wiring
Type of cable
Transmission cables
Shielding wire (2-core)
CVVS, CPEVS or MVVS
ME Remote controller cables
MA Remote controller cables
Sheathed 2-core cable (unshielded) CVV
Cable diameter
More than 1.25 mm
2
0.3 ~ 1.25 mm
2
(0.75 ~ 1.25 mm
2
)*1
0.3 ~ 1.25 mm
2
(0.75 ~ 1.25 mm
2
)*1
Max length: 200 m
Maximum length of transmission lines for centralized control and indoor/
outdoor transmission lines (Maximum length via indoor units): 500 m MAX
The maximum length of the wiring between power supply unit for
transmission lines (on the transmission lines for centralized control) and
each outdoor unit and system controller is 200 m.
Max length: 200 m
When 10 m is exceeded, use
cables with the same specifica-
tion as transmission cables.
Remarks
*1 Connected with simple remote controller.
CVVS, MVVS: PVC insulated PVC jacketed shielded control cable
CPEVS: PE insulated PVC jacketed shielded communication cable
CVV: PVC insulated PVC sheathed control cable
[Fig. 9.1.1] (P.4)
A
B
C
Indoor
unit
D
Pull box
Total operating current of
the Indoor unit
Minimum wire thickness (mm
2
)
Ground-fault interrupter *
1
Local switch (A)
Breaker for wiring (A)
(Non-fuse breaker)
Main cable
Branch
Ground
Capacity
Fuse
F0 = 16 A or less *
2
1.5
1.5
1.5
20 A current sensitivity *
3
16
16
20
F0 = 25 A or less *
2
2.5
2.5
2.5
30 A current sensitivity *
3
25
25
30
F0 = 32 A or less *
2
4.0
4.0
4.0
40 A current sensitivity *
3
32
32
40
Apply to IEC61000-3-3 about Max. Permissive System Impedance.
*1 The Ground-fault interrupter should support Inverter circuit.
The Ground-fault interrupter should combine using of local switch or wiring breaker.
*2 Please take the larger of F1 or F2 as the value for F0.
F1 = Total operating maximum current of the indoor units
✕
1.2
Indoor unit
V1
V2
Type1
PLFY-VBM, PMFY-VBM, PEFY-VMS, PCFY-VKM, PKFY-VHM,
PKFY-VKM, PFFY-VKM, PFFY-VLRMM
18.6
2.4
Type2
PEFY-VMA
38
1.6
Type3
PEFY-VMHS
13.8
4.8
Others
Other indoor unit
0
0
C : Multiple of tripping current at tripping time 0.01s
Please pick up “C” from the tripping characteristic of the breaker.
<Example of “F2” calculation>
F2 = 18.6
✕
4/8 + 38
✕
1/8
= 14.05
16 A brea ker (Tripping current = 8
✕
16 A at 0.01s)
G1
Current sensitivity
Wire thickness
V3
30 or less
30 mA 0.1 sec or less
1.5 mm
2
48
100 or less
100 mA 0.1 sec or less
2.5 mm
2
56
4.0 mm
2
66
Warning:
20
C
10
8
6
4
3
2
1
0.01
0.1
1
10
60
600
6000
SAMPLE
Tr
ip
pi
ng
Ti
m
e
[s
]
Rated Tripping current (x)
Sample chart
•
Power supply cords of appliances shall not be lighter than design 245 IEC 57, 227 IEC 57, 245 IEC 53 or 227 IEC 53.
•
The wire size is the minimum value for metal conduit wiring. If the voltage drops, use a wire that is one rank thicker in diameter. Make sure the power-supply
voltage does not drop more than 10%.
•
Bear in mind ambient conditions (ambient temperature,direct sunlight, rain water, etc.) when proceeding with the wiring and connections.
•
Use dedicated power supplies for the indoor unit.
•
Specific wiring requirements should adhere to the wiring regulations of the region.
•
A switch with at least 3 mm contact separation in each pole shall be provided by the Air conditioner installation.
G1 = (V2
✕
Quantity of Type1) + (V2
✕
Quantity of Type2) + (V2
✕
Quantity of Type3) + (V2
✕
Quantity of Others) + (V3
✕
Wire length [km])
*3 Current sensitivity is calculated using the following formula.
F2 = {V1
✕
(Quantity of Type1)/C} + {V1
✕
(Quantity of Type2)/C} + {V1
✕
(Quantity of Type3)/C} + {V1
✕
(Quantity of Others)/C}
*Condition PEFY-VMS
✕
4 + PEFY-VMA
✕
1, C = 8 (refer to right sample chart)
Ground-fault interrupter
Local switch/Wiring breaker
•
•
Caution:
Notes:
•
•
•
•
Be sure to use specified wires for connections and ensure no external force is imparted to terminal connections. If connections are not fixed firmly,
heating or fire may result.
Some installation sites may require attachment of an earth leakage breaker for the inverter. If no earth leakage breaker is installed, there is a danger
of electric shock.
Be sure to use the appropriate type of overcurrent protection switch. Note that generated overcurrent may include some amount of direct current.
This device is intended for the connection to a power supply system with a maximum permissible system impedance (Refer to IEC61000-3-3.) at the
interface point (power service box) of the user's supply.
The user must ensure that this device is connected only to a power supply system which fulfils the requirement above.
If necessary, the user can ask the public power supply company for the system impedance at the interface point.
Do not use anything other than the correct capacity breaker and fuse. Using fuse, wire or copper wire with too large capacity may cause a risk of
malfunction or fire.
Содержание PEFY-P-VMHS-E
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