Mitsubishi Electric PURY-RP200YJM-A [18/31] Wiring of main power supply and equipment capacity
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Mitsubishi Electric PURY-RP200YJM-A [18/31] Wiring of main power supply and equipment capacity

Mitsubishi Electric PURY-RP200YJM-A [18/31] Wiring of main power supply and equipment capacity
18
GB
Unit Range Setting Method
Indoor unit (Main) 01 to 50 Use the most recent address within the same group of indoor units. With an R2 system with sub BC
controllers, set the indoor unit address in the following order:
1 Indoor units connected to the main BC controller
2 Indoor units connected to BC sub controller 1
3 Indoor units connected to BC sub controller 2
Set the indoor unit addresses so that all the addresses of 1 are smaller than those of 2, and that all
the addresses of 2 are smaller than those of 3.
Indoor unit (Sub)
01 to 50 Use an address, other than that of the IC (Main) from among the units within the same group of indoor
units. This must be in sequence with the IC (Main)
Outdoor Unit (OC, OS)
51 to 100 Set the addresses of the outdoor units in the same refrigerant system in the order of sequential
number. OC and OS are automatically identifi ed. (*1)
BC controller (Main)
51 to 100 Outdoor unit address plus 1. When the set indoor unit address duplicates the address of another
indoor unit, set the new address to a vacant address within the setting range.
BC controller (Sub) 51 to 100 Lowest address within the indoor units connected to the BC controller (sub) plus 50
M-NET R/C (Main) 101 to 150 Set at an IC (Main) address within the same group plus 100
M-NET R/C (Sub) 151 to 200 Set at an IC (Main) address within the same group plus 150
MA R/C – Unnecessary address setting (Necessary main/sub setting)
h. The group setting operations among the multiple indoor units is done by the remote controller (RC) after the electrical power has been turned on.
i. When the centralized remote controller is connected to the system, set centralized control switches (SW2-1) on control boards in all outdoor units (OC, OS) to “ON”.
*1 OC and OS of the outdoor units in the same refrigerant system are automatically identifi ed. They are identifi ed as OC and OS in descending order of capacity (If the
capacity is the same, they are identifi ed in the ascending order of their address number).
<Permissible Lengths>
1 M-NET Remote controller [Fig. 11.3.1] (P.7)
Max length via outdoor units: L
1+L2+L3+L4 and L1+L2+L3+L5 and L1+L2+L6 500 m (1.25 mm
2
or more)
Max transmission cable length: L
1 and L3+L4 and L3+L5 and L6 and L2+L6 200 m (1.25 mm
2
or more)
Remote controller cable length:
1, 2, 3, 4 10 m (0.3 to 1.25 mm
2
)
If the length exceeds 10 m, use a 1.25 mm
2
shielded wire. The length of this section (L8) should be included in the calculation of the
maximum length and overall length.
2 MA Remote controller [Fig. 11.3.2] (P.8)
Max length via outdoor unit (M-NET cable): L
1+L2+L3+L4 and L1+L2+L6 500 m (1.25 mm
2
or more)
Max transmission cable length (M-NET cable): L
1 and L3+L4 and L6 and L2+L6 200 m (1.25 mm
2
or more)
Remote controller cable length: m
1+m2 and m1+m2+m3+m4 200 m (0.3 to 1.25 mm
2
)
3 Transmission booster [Fig. 11.3.3] (P.8)
Max transmission cable length (M-NET cable): 1 L
11 + L12 + L13 + L14 + L16 + L17 200 m (1.25 mm
2
)
2 L
11 + L12 + L13 + L14 + L16 + L18 200 m (1.25 mm
2
)
3 L
11 + L12 + L13 + L15 200 m (1.25 mm
2
)
4 L
17 + L16 + L14 + L15, L15 + L14 + L16 + L18 200 m (1.25 mm
2
)
Remote controller cable length:
1, 2 10 m (0.3 to 1.25 mm
2
)
If the length exceeds 10 m, use 1.25 mm
2
shielded cable and calculate the length of that portion (L15 and L18) as within the total
extended length and the longest remote length.
11.4. Wiring of main power supply and equipment capacity
Schematic Drawing of Wiring (Example)
[Fig. 11.4.1] (P.8)
A
Switch (Breakers for wiring and current leakage)
B
Breakers for current leakage
C
Outdoor unit
D
Pull box
E
Indoor unit
F
BC controller (standard or main)
F'
BC controller (sub)
Thickness of wire for main power supply, capacities of the switch and system impedance
Model
Minimum wire thickness (mm
2
)
Breaker for current
leakage
Local swtich (A)
Breaker for wiring
(A) NFB
Max. Permissive
System Impedance
Main cable Branch Ground
Capacity Fuse
Outdoor unit
PURY-RP200YJM-A
4-4
30A 100mA 0.1sec or less
25 25 30 *1
PURY-RP250YJM-A
4-4
30A 100mA 0.1sec or less
25 25 30 *1
PURY-RP300YJM-A
4-4
30A 100mA 0.1sec or less
32 32 30 *1
Total
operating
current of
the indoor
unit
16A or less
1.5 1.5 1.5
20A 100mA 0.1sec or less
16 16 20
(apply to IEC61000-3-3)
25A or less
2.5 2.5 2.5
30A 100mA 0.1sec or less
25 25 30
(apply to IEC61000-3-3)
32A or less
4.0 4.0 4.0
40A 100mA 0.1sec or less
32 32 40
(apply to IEC61000-3-3)
*1: Meets technical requirements of IEC61000-3-3
1. Use dedicated power supplies for the outdoor unit and indoor unit. Ensure OC and OS are wired individually.
2. Bear in mind ambient conditions (ambient temperature,direct sunlight, rain water,etc.) when proceeding with the wiring and connections.
3. 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%.
4. Specifi c wiring requirements should adhere to the wiring regulations of the region.
5. Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed fl exible cord (design 245 IEC57). For
example, use wiring such as YZW.
6. A switch with at least 3 mm contact separation in each pole shall be provided by the Air Conditioner installer.
Warning:
Be sure to use specifi ed wires for connections and ensure no external force is imparted to terminal connections. If connections are not fi xed fi rmly,
heating or fi re may result.
Be sure to use the appropriate type of overcurrent protection switch. Note that generated overcurrent may include some amount of direct current.
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