Midea V8 Series Engineering Data

V8 Mini R410A VRF 50Hz
91
Part 3 - System Design and Installation
Figure 3-8.1: Indoor unit unified power supply wiring
8.3 Communication Wiring
Communication wiring design and installation should adhere to the following requirements:
 Do not connect the communication line when the power is on.
 Connect the shielding nets at both ends of the shielded wire to the sheet metal “ ” of the electronic control box.
 Do not connect the power cable to the terminal of communication line, otherwise, the motherboard will be damaged.
 Do not connect a system with both HyperLink (M1 M2) communication lines and P Q communication lines.
 On-site wiring must comply with the relevant regulations of the local Country/region and must be completed by
professionals.
 The communication lines of the indoor and ODUs can only be connected from the outdoor unit.
 When a single communication line is not long enough, the joint must be crimped or soldered, and the copper wire at
the joint shall not be exposed.
 When use HyperLink, It is forbidden to reverse the connection of the two communication ports (to up IDU) and (to
down IDU) of the repeater.
 V8 Mini outdoor unit compatible with different generation indoor units, the communication connection type should
follow table 3-8.1.
Leakage protector
Manual switch
Branch box
Indoor unit
1
9
2
10
3
11
4
12
5
13
6
14
7
15
8
16
Single-phase 220~ 50/60Hz
The 380-415V, 3N~, 50Hz power supply should be connected to the outdoor unit power supply terminals as shown in
Figure 3-8.2. Use round-type terminals of the correct specifications to connect the power cable.
Figure 3-8.2: Outdoor unit 3-phase power supply terminals
Notes for installers
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Midea V8 Series Specifications

General

Brand	Midea
Model	V8 Series
Category	Air Conditioner
Language	English