Applied Circuit; Wiring For Group Operation - Toshiba RAV-162BH-PE Service Manual

(1) Display output
CN13
Up to 16 units can be controlled as a group by one remote controller.
•
Align the phase sequence of the power supply to all outdoor units.
‚
Connect the terminals A, B, C on both of the remote controller and the indoor unit of No. 1 unit.
ƒ
Connect terminals B, C on both indoor units of No. 1 and No. 2 unit. Then connect in the same way No. 2 and No. 3, No. 3 and
No. 4 .... up to No. 16 unit.
Indoor unit
No. 1
Remote controller
„
Remove the CN12-connector on the indoor PC board of No. 2 unit and up to No. 16 unit to prevent malfunction.
...
Set each unit No. rotary switch on the indoor PC board. The unit connected to the remote controller should be set as No. 1 unit.
Then set No. 2 and up to No. 16 so that start time of each unit is respectively delayed to prevent simultaneous starting current.
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12. APPLIED CIRCUIT

An auxiliary display output circuit (+12V) is available at CN13 on the Indoor PC Board to display the
operation for compressor, operation (Fan only) and abnormality.
Compressor
Operation (Fan only)
Abnormality

13. WIRING FOR GROUP OPERATION

Indoor unit Indoor unit
No. 2
Make sure of correspondence of terminal marks.
CN 12
Rotary switch
SW 02
-75-
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No. 3
CN01
CN 12
SW 01
LED
(Provide Locally)
Indoor unit
No. 16
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