Connection Of Communication Wire For Wired Controller; Wiring Instructions Of Wired Controller And Indoor Units Network - Gree GMV-ND28TS/A-T Manuel D'utilisateur

communication among each IDU, add a matched resistance(supplied in a package before
ex-factory) on the wiring board of the last indoor unit in a series connection. The matched
resistance should be connected in parallel between terminal screw D1 and D2, as shown
in Fig 5.3.2..

5.4 Connection of Communication Wire for Wired Controller

(1) Detach the electric box cover.
(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.
2) Both IDU and wired controller are equipped with signal receiver, and available for
wireless control respectively.

5.5 Wiring Instructions of Wired Controller and Indoor Units Network

(1) Communication wire of indoor unit and outdoor unit (or indoor unit) is connected to D1,
D2.
(2) Wired controller is connected to H1, H2.
(3) One indoor unit can connect two wired controllers that must be set as master one and
slave one.
(4) One wired controller can control 16 indoor unitS in maximum at the same time. (as shown
in Fig5.5) top using it immediately and contact local service center for assistance.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
Two-way Cassette Indoor Unit Owner's Manual
Fig 5.4.1
20
Fig 5.4.2