Midea V4 Plus S Series Service Manual page 8

R410A All DC Inverter V4+S Series 60Hz MCAC-VTSM-2015-09
1.5 Easy installation and service
1.5.1 Auto addressing
Outdoor unit can distribute addresses for indoor units automatically.
Wireless and wired controllers can query and modify each indoor unit's address.
1.5.2 Simple communication wiring
Centralized controller (CCM03 or CCM30) can be connected from indoor side or outdoor side (XYE terminals)
at will.
With one set of wires, we can achieve the network communication and system communication, making
installation at site more convenient.
X Y E X Y E P Q E P Q E P Q E P Q E P Q E
1.5.3 Easy Maintenance
Inspection window for checking the systems status.
Self-diagnosis function helps service engineers locate faults quickly and easily.
Compressor is located near the door, which simplifies checks and enables valve or compressor parts to be
replaced easily.
6 General Information