ENGLISH
C. Example of a system using the transmission booster (Combination of systems A - C)
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| L1 |
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| L2 |
| L3 | L5 |
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| L6 |
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| OS |
| OC |
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| Ground |
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| IC |
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| IC |
| RP |
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wiring |
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| TB2 | TB3 |
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line |
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| A B S | A B S |
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transmission | TB3 |
| TB3 | TB5 | TB13 |
| L4 | TB13 |
| L7 | TB13 |
| TB5 | TB13 |
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| TB5 |
| TB5 |
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| M1 M2 | S | M1M2 | M1M2 S | 1 | 2 | 3 | M1M2 S | 1 2 | 3 | M1M2 S | 1 | 2 | 3 | M1M2 S | 1 | 2 | 3 |
Exampleof |
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| r1 |
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| r1 |
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| TB6 |
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| TB6 |
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| RC |
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| RC |
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| N1 |
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| N2 | |
| a. Address settings are the same as for wiring connection examples A and B. |
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| b. Let the number of indoor units and remote control units connected be within the limit for the number of units shown in the following table for | |||
method | the total of the number of units connected between the variable capacity unit (OC) and the transmission booster (RP) N1 and the number of | |||
units connected after the transmission booster (RP) N2. |
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c. Connect the power supply ground to the transmission booster (RP) securely. |
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setting | Connect the transmission lines of the outdoor unit side to terminals A and B of transmission line terminal block 1 (TB2) of the transmission | |||
booster (RP). |
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address | Connect the transmission lines of the expansion indoor unit side to terminals A and B of the of transmission line terminal block 2 (TB3) of the | |||
transmission booster (RP). |
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method, | connected indoor units | Remote controller type | Remote controller | |
connected without a RP. |
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Wiring | Capability of the | Number of connected indoor units that can be | Prior to Ver. E | After Ver. F |
| 200 or higher | 16 (32) | 16 (32) | |
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| 200 or lower | 16 (32) | 20 (40) |
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| The number of indoor units and the total number of remote controllers is displayed within the parenthesis ( ). | ||
*1 If even one unit that is higher than 200 exists in the cooling system, the maximum capacity will be “200 or higher”.
length | • Indoor system maximum remote wiring length: | 1 L1+L2+L3+L5+L6 = 200 m (1.25 mm2) |
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| 2 L1+L2+L3+L5+L7 = 200 m (1.25 mm2) |
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Permissible |
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| 3 L1+L2+L4 = 200 m (1.25 mm2) |
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| 4 L6+L5+L3+L4, L4+L3+L5+L7 = 200 m (1.25 mm2) |
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| • Remote control wiring length : | r1, r2 | = 10 m (0.5 to 0.75 mm2) |
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| If the length exceeds 10 m, use 1.25 mm2 shielded cable and calculate the length of that portion (L4 and L7) | |||||||
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| as within the total extended length and the longest remote length. |
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| OS | OC |
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| Ground |
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| IC |
| IC | RP |
| IC |
| IC |
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| TB2 | TB3 |
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| A B S | A B S |
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| TB3 | TB3 | TB5 | TB13 | TB5 | TB13 | TB5 | TB13 | TB5 | TB13 |
| M1 M2 S | M1M2 | M1M2 S | 1 2 3 | M1M2 S | 1 2 3 | M1M2 S | 1 2 3 | M1M2 S | 1 2 3 |
Prohibiteditems |
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| TB6 |
| TB6 |
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| RC |
| RC |
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•Do not mistake the connection locations of transmission booster (RP) transmission line terminal block 1 (TB2) and transmission line termi- nal block 2 (TB3). (Operation will not be normal in such a case.)
•Do not connect the S terminals of transmission line terminal block 1 (TB2) and transmission line terminal block 2 (TB3) of the transmission booster (RP) together.
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