Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
17
3) Connect the power cord to the L, N terminals and the grounding screw.
4) Fasten the power cord with a wire clamp.
2
For air conditioner that uses 3-phase power
1) Lead the wire across the rubber ring.
2) Connect the power cord to terminals that marked with L1, L2, L3, N and to the grounding screw.
3) Fasten the wire with a wire 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.
Fig 5.3.1 Fig 5.3.2
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 line of wired controller to terminal H1 and H2 on the 4-digit wiring
board of indoor unit.
4
Use a wire clamp to fasten the communication line of wired controller.
5
Instruction of connection of receiving light board and wired controller.
1) Fig.5.4.1 shows the installation of wired controller.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
