Toshiba MMY-SUG0801MT8P-E Installation Manual page 46

Specifications for communication wiring
Design of communication wiring
Summary of communication wiring
Outdoor unit
Central controller
Communication wiring between indoor and outdoor units (Shield wire)
Communication wiring between indoor units (Shield wire)
Indoor unit
Remote controller
Battery kit
Single port type FS unit
Leak detector
Indoor unit
89-EN
Indoor unit
Indoor unit
Remote controller
Battery kit
Single port type FS unit
Leak detector
Indoor unit
Indoor unit
Leak Detector
Remote controller
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• Communication wiring and central control wiring use 2-core non-polarity wires.
Use 2-core shield wires to prevent noise trouble.
• Connecting the closed end terminal of shield wire. (Connected to all connecting sections in each unit)
• Use 2-core non-polarity wire for remote controller. (A, B terminals)
Use 2-core non-polarity wire for Multi port type FS unit and Single port type FS unit .(A, B terminals)
Use 2-core non-polarity wire for wiring of group control. (A, B terminals)
Use 2-core non-polarity wire for leak detector. (A, B terminals)
Indoor unit
Remote controller
Battery kit
Single port type FS unit
Leak detector
Indoor unit
Leak Detector Remote controller
Remote controller
Battery kit
Multi port type FS unit (4 port)
Leak Detector
FS : Flow Selector
90-EN