Table Of Contents - Midea MSV1-07CR-QB8F Service Manual

Table of Contents

1 Precaution............................................................................................................................1

1.1 Safety Precaution ...................................................................................................................................... 1

1.2 Warning ..................................................................................................................................................... 1

2 Function ...............................................................................................................................4

3 Dimension............................................................................................................................5

4 Specification........................................................................................................................6

5 Refrigerant cycle diagram ................................................................................................10

6 Operation limits ................................................................................................................. 11

7 Wiring diagram ..................................................................................................................12

8 Installation details .............................................................................................................16

8.1 Wrench torque sheet for installation........................................................................................................ 16

8.2 Connecting the cables............................................................................................................................. 16

8.3 Pipe length and the elevation.................................................................................................................. 16

8.4 Air purging of the piping and indoor unit ................................................................................................. 17

8.5 Pumping down (Re-installation) .............................................................................................................. 18

8.6 Re-air purging (Re-installation) ............................................................................................................... 19

8.7 Balance refrigerant of the 2-way, 3-way valves ...................................................................................... 20

8.8 Evacuation............................................................................................................................................... 21

8.9 Gas charging ........................................................................................................................................... 22

9 Electronic function............................................................................................................23

9.1 Electronic control working environment .................................................................................................. 23

9.2 Proper symbols and their meaning ......................................................................................................... 23

9.3 Function................................................................................................................................................... 24

9.4 Protection ................................................................................................................................................ 24

9.5 Fan only mode......................................................................................................................................... 25

9.6 Cooling mode .......................................................................................................................................... 25

9.7 Dehumidifying mode................................................................................................................................ 26

9.8 Heating mode .......................................................................................................................................... 26

9.9 Defrosting mode(available for heating mode)......................................................................................... 27

9.10 Auto mode ............................................................................................................................................. 28

9.11 Force cooling function ........................................................................................................................... 28

9.12 Sleep mode ........................................................................................................................................... 28

9.13 Auto restart function .............................................................................................................................. 29

9.14 Ionizer (air clean) function..................................................................................................................... 29

9.15 Follow me function ................................................................................................................................ 30

9.16 Self-clean function................................................................................................................................. 30

9.17 Turbo ..................................................................................................................................................... 30

10 Model and Parameters ......................................................................................................32

11 Troubleshooting.................................................................................................................34

11.1 LCD Display board ................................................................................................................................ 34

11.2 Indoor Unit Error Display ....................................................................................................................... 35

11.3 Diagnostic chart ..................................................................................................................................... 36

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