ENGLISH
B. Example of the use of the shielded cable in a system with group operation among multiple outdoor units (Setting of addresses is necessary)
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| OS |
| OC |
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| Group 3 |
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| CN40 | IC |
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| TB3 |
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| TB5 | TB13 |
| TB5 | TB13 |
| TB5 | TB13 | TB5 | TB13 |
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| M1 M2 | S | M1M2 | M1M2 S | M1M2 S | 1 2 | 3 | M1M2 S | 1 2 | 3 | M1M2 S | 1 | 2 | 3 | M1M2 S | 1 | 2 | 3 |
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| TB7 |
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wiring |
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line |
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| Shielded cable |
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transmission | L9 |
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| TB6 |
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| TB6 |
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| TB6 |
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| RC |
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| RC |
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| RC |
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| L5 |
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| L6 |
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of | OS |
| OC |
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Example |
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| TB3 |
| TB3 |
| TB5 | TB13 | TB5 | TB13 |
| TB5 |
| TB13 |
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| M1 M2 | S | M1 M2 | M1M2 S | M1M2 S | 1 2 | 3 | M1M2 S | 1 2 | 3 | M1M2 S |
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| TB7 |
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| L8 |
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| r4 |
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| TB6 |
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| RC |
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Within ( ): Address
a.Be sure to use shielded cable for wiring between the outdoor units (OC and OS) and indoor units (IC), between OC and OC and between IC and IC.
b. Terminals M1 and M2 and the ground terminal 
of the transmission line terminal block (TB3) of each variable capacity unit (OC), terminals M1, M2 and S of the transmission line terminal block (TB3) 
of the constant capacity unit (OS) and terminals M1, M2 and S of the transmission line terminal block (TB5) of each indoor unit (IC) should be cross wired.
| c. Connect the M1 and M2 terminals of the transmission line terminal block (TB5) of the indoor unit IC (Main) with the smallest address within | |||||
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| the same group to the remote control (RC) terminal block (TB6). | ||||
method | d. Connect terminals M1, M2 and S of the centralized control terminal block (TB7) of the variable capacity unit (OC) and the terminals M1, M2 | |||||
| and S of the centralized control terminal block (TB7) of the variable capacity unit (OC) of the other cooling systems. | |||||
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| e. The power supply connector on the main board can be changed from CN41 to CN40 for only one variable capacity unit (OC). | |||||
setting | f. Connect the S terminal of the centralized control terminal block (TB7) of the variable capacity unit (OC) which had its power supply connec- | |||||
| tor connected to CN40 in e to the ground terminal | in the electrical equipment panel. | ||||
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| g. Group settings between multiple cooling systems should be performed after the power is turned on using the remote control (RC) units. For | |||||
address |
| the setting method, refer to the installation manual for the remote control unit. | ||||
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| Unit | Range |
| Setting method |
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method, |
| IC (Main) | 01 to 50 |
| Smallest address of all the indoor units (IC) in the same group |
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| IC (Sub) | 01 to 50 |
| Address other than the IC (Main) of the indoor units in the same group. Use a number |
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| which is in sequence with that of the IC (Main) |
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Wiring |
| Main remote controller | 101 to 150 | Note 2 | IC (Main) + 100 |
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| Sub remote controller | 151 to 200 | Note 2 | IC (Main) + 150 |
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| Variable capacity unit | 51 to 100 | Note 1 | The smallest address of the indoor units in the same cooling system + 50 |
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| Constant capacity unit | 51 to 100 Notes 1, 3 | Variable capacity unit address + 1 |
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Note:
1.If the address of the variable capacity unit or the constant capacity unit is set at 100, set the address setting switch at either 01 or 50.
2.It is not necessary to set the 100’s position on the remote control unit.
3.If the addresses overlap with the variable capacity unit of other cooling systems, select a different unused address.
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