Midea MSX-18HRDN1-QC2 - Table of Contents

CONTENTS
1. Precaution................................................................................................................................................. 1
1.1 Safety Precaution ................................................................................................................................................1
1.2 Warning ...............................................................................................................................................................1
2. Function.................................................................................................................................................... 4
3. Dimension................................................................................................................................................. 6
3.1 Indoor Unit...........................................................................................................................................................6
3.2 Outdoor Unit........................................................................................................................................................6
4. Specification............................................................................................................................................. 7
5. Refrigerant cycle diagram....................................................................................................................... 8
6. Wiring diagram......................................................................................................................................... 9
6.1 Indoor Unit...........................................................................................................................................................9
6.2 Outdoor Unit......................................................................................................................................................10
7. Installation details...................................................................................................................................11
7.1 Wrench torque sheet for installation .................................................................................................................. 11
7.2 Connecting the cables....................................................................................................................................... 11
7.3 Pipe length and the elevation ............................................................................................................................ 11
7.4 Air purging of the piping and indoor unit............................................................................................................ 11
7.5 Pumping down (Re-installation).........................................................................................................................13
7.6 Re-air purging (Re-installation)..........................................................................................................................14
7.7 Balance refrigerant of the 2-way, 3-way valves .................................................................................................15
7.8 Evacuation.........................................................................................................................................................16
7.9 Gas charging.....................................................................................................................................................17
8. Operation characteristics...................................................................................................................... 18
9. Electronic function................................................................................................................................. 19
9.1 Abbreviation.......................................................................................................................................................19
9.2 Display function.................................................................................................................................................19
9.3 Protection ..........................................................................................................................................................20
9.4 Fan-Only Mode..................................................................................................................................................21
9.5 Cooling Mode ....................................................................................................................................................21
9.6 Drying mode......................................................................................................................................................22
9.7 Heating mode....................................................................................................................................................23
9.8 Auto mode function............................................................................................................................................25
9.9 Forced operation function..................................................................................................................................26
9.10 Action of 4-way valve.......................................................................................................................................26
9.11 Two speeds outdoor fan function.....................................................................................................................26
9.12 Timer function..................................................................................................................................................26
9.13 Sleep function mode........................................................................................................................................27
9.14 Auto-Restart function.......................................................................................................................................27
9.15 Ionizer(Clean Air) function……………………………………………………………………………………………...27
9.16 Self clean function……………………………………………………………………………………………………….27
9.17 Follow me function………………………………………………………………………………………………………27
9.18 Outdoor chassis heating cable(optional)……………………………………………………………………………..28