Wiring Instructions Of Wired Controller And Indoor Units Network - Gree GMV-ND28ZD/B-T Owner's Manual

(6) Both IDU and wired controller are equipped with signal receiver, and available for
remote control respectively. (Fig.5.4.2)

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 Fig.5.5)
Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
Fig.5.4.1
Fig.5.4.2
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