Connect Communication Wire Of Indoor Unit And Outdoor Unit - Gree NCHS2D Owner's Manual

One-to-four Mode Exchange Box:
One-to-eight Mode Exchange Box:

5.3 Connect Communication Wire of Indoor Unit and Outdoor Unit

(1) Open electric box cover of indoor unit.
(2) Pass the communication wire through rubber ring.
(3) Connect communication wire to wiring board OD (D1, D2) of outdoor unit of Mode Exchange
Box.
(4) Connect communication wire lead from D1and D2 terminal of 4-bit wiring board of indoor unit
to wiring board ID1(1D1，1D2)of indoor unit of Mode Exchange Box; ID2 (2D1,
2D2)......ID-n(nD1，nD2), n≤8; As shown in Fig.5.3.5.
Fig.5.2.3
Fig.5.2.4
Fig.5.3.5
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GMV6 HR Mode Exchange Box
Fig.5.3.6