Installation Requirements; Wiring Requirements; One/Two Wired Controller Control One Indoor Unit - Gree GMV-S120WL/A-S Service Manual

② Materials of communication wire for wired controller must be selected according to this
manual strictly.

3.3.1.2 Installation Requirements

(1) Never install the wired controller at wet places.
(2) Never install the wired controller under direct sunlight.
(3) Never install the wired controller at a place near high temperature objects or
water-splashing places.
(4) Never install the wired controller at a place that faces toward a window to prevent
abnormal work due to the interference from other wired controllers around.

3.3.1.3 Wiring Requirements

There are four network wiring methods between wired controller and indoor unit:
Fig.3.4 One Wired Controller
Controls One Indoor Unit
GMV5 Home DC Inverter Multi VRF Units
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Fig.3.5 Two Wired Controllers
Control One Indoor Unit