Midea M4OE-28HFN8-Q - Table of Contents

CONTENTS
1. General information of Outdoor Units .................................. 2
2. Features .................................................................................. 3
3. Dimensions ............................................................................. 4
4. Refrigeration Cycle Diagram ................................................. 5
5. Wiring diagram ....................................................................... 7
6. Indoor units combination .................................................... 14
7. Sound Levels ........................................................................ 17
8. Installation Details ............................................................... 18
8.1 Wrench torque sheet for installation ........................................................................... 18
8.2 Connecting the cables ................................................................................................ 18
8.3 Pipe length and the elevation ..................................................................................... 18
8.4 Installation for the first time ......................................................................................... 19
8.5 Adding the refrigerant after running the system for many years ................................ 22
8.6 Re-installation while the indoor unit need to be repaired ........................................... 23
8.7 Re-installation while the outdoor unit need to be repaired ......................................... 24
9. Electronic control function .................................................. 27
10. Troubleshooting ................................................................. 32
Caution: Risk of fire/flammable materials