Connecting Remote Controller, Indoor And Outdoor Transmission Cables - Mitsubishi Electric City Multi PLFY-P-VLMD-E Serie Manual De Instalación

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Minimum wire thickness (mm
Total operating current of
the Indoor unit
Main cable
2
F0 = 16 A or less *
1.5
F0 = 25 A or less *
2
2.5
F0 = 32 A or less *
2
4.0
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
F2 = {V1 ✕ (Quantity of Type1)/C} + {V1 ✕ (Quantity of Type2)/C} + {V1 ✕ (Quantity of Type3)/C} + {V1 ✕ (Quantity of Others)/C}
Indoor unit
PLFY-VBM, PMFY-VBM, PEFY-VMS, PCFY-VKM, PKFY-VHM,
Type1
PKFY-VKM, PFFY-VKM, PFFY-VLRMM
Type2
PEFY-VMA
Type3
PEFY-VMHS
Others
Other indoor unit
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>
*Condition PEFY-VMS ✕ 4 + PEFY-VMA ✕ 1, C = 8 (refer to right sample chart)
F2 = 18.6 ✕ 4/8 + 38 ✕ 1/8
= 14.05
16 A brea ker (Tripping current = 8 ✕ 16 A at 0.01s)
*3 Current sensitivity is calculated using the following formula.
G1 = (V2 ✕ Quantity of Type1) + (V2 ✕ Quantity of Type2) + (V2 ✕ Quantity of Type3) + (V2 ✕ Quantity of Others) + (V3 ✕ Wire length [km])
G1
Current sensitivity
30 or less
30 mA 0.1 sec or less
100 or less
100 mA 0.1 sec or less
Warning:
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.
Be sure to use the appropriate type of overcurrent protection switch. Note that generated overcurrent may include some amount of direct current.
Caution:
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.
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.
Notes:
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.
8.2. Connecting remote controller, indoor
and outdoor transmission cables
(Remote contoroller is optionally available.)
Connect indoor unit TB5 and outdoor unit TB3. (Non-polarized 2-wire)
The "S" on indoor unit TB5 is a shielding wire connection. For specifications
about the connecting cables, refer to the outdoor unit installation manual.
Install a remote controller following the manual supplied with the remote con-
troller.
Connect the "1" and "2" on indoor unit TB15 to a MA remote controller. (Non-
polarized 2-wire)
Connect the "M1" and "M2" on indoor unit TB5 to a M-NET remote controller.
(Non-polarized 2-wire)
Connect the remote controller's transmission cable within 10 m using a 0.75 mm
core cable. If the distance is more than 10 m, use a 1.25 mm
[Fig. 8.2.1] (P.4) MA Remote controller
[Fig. 8.2.2] (P.4) M-NET Remote controller
A Terminal block for indoor transmission cable
B Terminal block for outdoor transmission cable
C Remote controller
12
2
)
Ground-fault interrupter *
Branch
Ground
1.5
1.5
20 A current sensitivity *
2.5
2.5
30 A current sensitivity *
4.0
4.0
40 A current sensitivity *
Wire thickness
2
1.5 mm
2.5 mm
2
4.0 mm
2
2
junction cable.
Local switch (A)
1
Capacity
Fuse
3
16
16
3
25
25
3
32
32
V1
V2
18.6
2.4
38
1.6
13.8
4.8
0
0
V3
48
56
66
DC 9 to 13 V between 1 and 2 (MA remote controller)
DC 24 to 30 V between M1 and M2 (M-NET remote controller)
[Fig. 8.2.3] / [Fig. 8.2.4] (P.4) MA Remote controller
[Fig. 8.2.5] / [Fig. 8.2.6] (P.4) M-NET Remote controller
A Non-polarized
C MA Remote Controller
E M-NET Remote Controller
The MA remote controller and the M-NET remote controller cannot be used at
the same time or interchangeably.
Note:
Ensure that the wiring is not pinched when fitting the terminal box cover.
Pinching the wiring may cut it.
Caution:
2
Install wiring so that it is not tight and under tension. Wiring under tension
may break, or overheat and burn.
Fix power source wiring to control box by using buffer bushing for tensile force.
(PG connection or the like.) Connect transmission wiring to transmission ter-
minal block through the knockout hole of control box using ordinary bushing.
After wiring is complete, make sure again that there is no slack on the connec-
tions, and attach the cover onto the control box in the reverse order removal.
Breaker for wiring (A)
(Non-fuse breaker)
20
30
40
6000
600
SAMPLE
60
10
1
0.1
0.01
1
2
3
4
6
8
10
C
Rated Tripping current (x)
Sample chart
B Upper level (TB15)
D Lower level (TB5)
20

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