Multi Variable Air Conditioners One-way Cassette Type Indoor Unit
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Fig.5.3.2
(4) Fix the communication cable with clamp of electric box.
(5) For more reliable communication, make sure connect the terminal resistor to the most
downstream IDU of the communication bus (terminal D1 and D2), as shown in Fig.5.3.2,
terminal resistor is provided with each ODU.
5.4 Connection of Communication Wire for Wired Controller
(1) Detach the electric box lid.
(2) Let the communication wire pass through the wiring through-holes.
(3) Connect the communication wire to terminal H1 and H2 of indoor 4-bit wiring board.
(4) Fix the communication wire with clamp.
(5) Wiring instructions of signal receiver and wired controller:
1) Wired controller is shown as Fig.5.4.1, wireless controller is shown as Fig.5.4.2, signal
receiver is provided with panel as standard accessory.
Fig.5.4.1 Fig.5.4.2
2) Both IDU and wired controller are equipped with signal receiver, and available for wireless
control respectively.
