Connection Of Communication Wire For Wired Controller - Gree GMV-ND22TD/A-T Owner's Manual

(3) Connect the communication wire to terminal D1 and D2 of indoor 4-bit wiring board,
as shown in fig 5.3.1.
Fig 5.3.1
(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 (standard) is shown as Fig.5.4.1, wireless controller (optional) is
shown as Fig.5.4.2, signal receiver is provided with panel as standard accessory.
Fig 5.4.1
2) Both IDU and wired controller are equipped with signal receiver, and available for
wireless control respectively.
Multi Variable Air Conditioners One-way Cassette Type Indoor Unit
16
Fig 5.3.2
Fig 5.4.2