Connection Of Communication Line Of Idu And Odu; Connection Of Communication Line Of Wired Controller - Gree GMV-N22G/A3A-K Manuel D'utilisation

same time.
For units with single-phase power supply.
(1) Detach the electric box lid.
(2) Let the power cord pass through the wiring through-holes.
(3) Connect the power cord to terminal "L, N,
(4) Fix the power card with wiring clamp.

5.3 Connection of Communication Line of IDU and ODU

(1) Open the cover of electric box of indoor unit.
(2) Lead the communication line across the rubber ring.
(3) Connect the communication line to terminal D1 and D2 on the 4-digit wiring board of
indoor unit, as shown in Fig.5.3.1.
(4) Secure the communication line with the wire clamp on the electric box.
(5) In order to ensure the reliability of communication between IDU and ODU and the
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 Line of Wired Controller

(1) Open the cover of electric box of indoor unit.
(2) Lead the communication line of wired controller across the rubber ring.
(3) Connect the communication wire to terminal H1 and H2 of indoor 4-bit wiring board.
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Multi Variable Air Conditioners Wall Mounted Type Indoor Unit
Fig 5.2
Fig 5.3.1
".
Fig 5.3.2
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