6. Test run
Basic wiring diagram 2
Group control (when a central control device is not used)
A maximum of 8 indoor units can be connected to 1 remote controller.
Set the system address (refrigerant tubing system address) before turning on the remote power switch. (Refer to “Setting the system addresses” on next page.)
(Set using the system address rotary switch on the outdoor unit control PCB.)
1 |
| System address rotary switch |
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| System address rotary switch |
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| 2 |
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Power supply
Outdoor unit |
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L1 L2 | 1 | 2 | G U1 U2 |
powerline | 60V,Hz |
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Ground |
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230 / 208 |
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2 |
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Indoor |
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unit |
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U1 |
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U2 |
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RC |
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Power supply
Outdoor unit |
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L1 L2 | 1 | 2 | G U1 U2 |
powerline | 60V,Hz |
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Ground |
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230 / 208 |
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2 |
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Indoor |
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unit |
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U1 |
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U2 |
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RC |
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Remote controller wiring
WHT | BLK | (Field supply) | |
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Wired remote controller
Fig. 6-6a
(Wiring procedure)
(1)Connect the remote controller to the indoor unit remote controller wiring.
Use the remote controller connection wire coming from the indoor unit, and
(2)Connect the indoor units (U1, U2) and the outdoor units (1, 2).
Connect the other outdoor units and indoor units (with different refrigerant systems) in the same way. Connect the
Remote controller crossover wiring for group control
Indoor |
| Indoor |
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unit 1 |
| unit 2 |
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RC |
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WHT BLK
12
(Optional)
Wired remote controller
Fig. 6-6b
SM831148
6