Power Cord Connection; Connection Of Communication Wire Between Indoor Unit And Outdoor Unit (Or Indoor Unit) - Gree GMV-ND22T/B-T Manuel D'utilisateur

5.2 Power Cord Connection

Note!
① All indoor units must be unified of power supply so that they can be powered ON/OFF at the
same time.
② If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualified persons in order to avoid a hazard.
For units with single-phase power supply.
(1) Detach the electric box cover.
(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 Wire between Indoor Unit and Outdoor
Unit (or indoor unit)
(1) Detach the electric box cover..
(2) Let the Communication cable pass through the wiring through-holes.
(3) Connect the communication wire to terminal D1 and D2 of indoor 4-bit wiring board, as
shown in Fig5.3.1.
(4) Fix the communication cable with clamp of 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..
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
Multi Variable Air Conditioners Cassette Type Indoor Unit
Fig 5.1.1
Fig 5.2
Fig 5.3.1
16
Fig 5.1.2
" .
Fig 5.3.2