Midea MCHSU-09PHH2, Service Manual

CONTENTS 

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

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

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

2. Part Names and Features ............................................................................................................................ 4

2.1 Model Names of Indoor/Outdoor units .......................................................................................... 4

2.2 Part names of Indoor/Outdoor units .............................................................................................. 5

2.3 Features ......................................................................................................................................... 9

3. Dimension ................................................................................................................................................... 18

3.1 Indoor Unit ................................................................................................................................... 18

3.2 Outdoor Unit ................................................................................................................................ 23

4. Service Space ............................................................................................................................................. 25

4.1 Indoor Unit ................................................................................................................................... 25

4.2 Outdoor Unit ................................................................................................................................ 27

5. Refrigerant Cycle Diagram ........................................................................................................................ 28

6. Wiring Diagram ........................................................................................................................................... 29

6.1 Indoor Unit ................................................................................................................................... 29

6.2 Outdoor Unit ................................................................................................................................ 34

7. Fan Curves .................................................................................................................................................. 41

8 Electric Characteristics .............................................................................................................................. 48

9 Sound Level ................................................................................................................................................. 49

9.1 Indoor unit .................................................................................................................................... 49

9.2 Outdoor unit ................................................................................................................................. 52

10 Accessories ............................................................................................................................................... 53

11 The Specification of Power ...................................................................................................................... 55

12 Installation Details .................................................................................................................................... 57

12.1

Location selection ................................................................................................................... 57

12.2

Indoor unit installation ............................................................................................................. 57

12.3

Outdoor unit installation .......................................................................................................... 64

12.4

Refrigerant pipe installation .................................................................................................... 65

12.5

Drainage pipe installation ....................................................................................................... 69

12.6

Vacuum Drying and Leakage Checking ................................................................................. 72

12.7

Additional refrigerant charge .................................................................................................. 73

12.8

Engineering of insulation ........................................................................................................ 74

12.9

Engineering of electrical wiring ............................................................................................... 75

12.10

Test operation ...................................................................................................................... 75

13. Operation Characteristics ....................................................................................................................... 77

14. Electronic Function .................................................................................................................................. 78

14.1 Abbreviation ............................................................................................................................... 78