Mitsubishi Electric MSZ-G09SV manuals

Mitsubishi electric MSZ-G09SV Service Manual (116 pages)

Brand: Mitsubishi-electric | Category: Split-system air conditioners | Size: 3.28 MB |

English

Table of contents

Wireless type

1

PART NAMES AND FUNCTIONS

2

TECHNICAL CHANGES

2

REMOTE CONTROLLER

4

MSZ-G09SV

4

MSZ-G12SV

4

RESET CLOCK

5

SPECIFICATION

7

INDOOR UNIT

10

OUTDOOR UNIT

10

NOISE CRITERIA CURVES

11

OUTLINES AND DIMENSIONS

13

Wireless remote controller

14

REQUIRED SPACE

15

MSZ-G20SV

16

WIRING DIAGRAM

17

REFRIGERANT SYSTEM DIAGRAM

21

MAX. HEIGHT DIFFERENCE

23

PERFORMANCE CURVES

24

MUZ-G09SV

27

MUZ-G12SV

27

MUZ-G20SV

27

MSZ-G09SV - : MUZ-G09SV

28

MSZ-G12SV - : MUZ-G12SV

30

MSZ-G20SV - : MUZ-G20SV

32

MICROPROCESSOR CONTROL9

35

● Fuzzy control

36

<outdoor unit>

39

<indoor unit>

39

9-2. COOL ( ) OPERATION

40

9-3. DRY ( ) OPERATION

40

9-4. HEAT ( ) OPERATION

40

9-5. FAN MOTOR CONTROL

40

9-6. AUTO VANE OPERATION

40

COOL and DRY

41

About 100

41

About 150

41

9-7. TIMER OPERATION

42

PROGRAM TIMER

43

MSZ-G09SV - MSZ-G12SV

43

9-8. EMERGENCY-TEST OPERATION

43

- MUZ-G12SV

44

WIRELESS REMOTE CONTROLLER

48

INDOOR UNIT DISPLAY SECTION

48

9-15. COOL ( ) OPERATION

53

9-16. DRY ( ) OPERATION

53

9-17. HEAT ( ) OPERATION

53

9-18. FAN MOTOR CONTROL

53

9-19. AUTO VANE OPERATION

53

18°C to 20°C

55

9-24. Optimal voltage control

60

9-25. LEV control

61

9-26. Heat defrosting control

62

9-28. Outdoor fan control

62

SERVICE FUNCTIONS

63

TROUBLESHOOTING

66

Check of open phase

76

Check of transistor module

76

Check of compressor

77

Check of compressor winding

77

Check of indoor fan motor

78

Check of outdoor thermistors

79

Check of R.V. coil

80

Check of outdoor fan motor

80

Check of power supply

81

Check of thermal fuse

81

2.5 seconds OFFON ON

83

•The following indication

83

of the indicator

83

Check of outdoor power supply

85

How to check mis-wiring

86

Check of R. V. coil

87

Check of inverter/ compressor

88

Check of LEV

88

Check of outdoor thermistor

89

Receiver P.C. board

91

Noise filter P.C.board

95

Relay P.C. board

96

DISASSEMBLY INSTRUCTIONS

97

12-2. MSZ-G20SV

99

OPERATING PROCEDURE PHOTOS

100

MUZ-G09SV - MUZ-G12SV

101

OPERATING PROCEDURE

101

12-4. MUZ-G20SV

103

PARTS LIST

106

MUZ-G09SV - MUZ-G12SV

108

13-6. OUTDOOR UNIT

109

ELECTRICAL PARTS

109

Including No.4,5,6

110

MUZ-G20SV

112

13-14. DEODORIZING FILTER

114

13-13. AIR CLEANING FILTER

114

OPTIONAL PARTS

115

Mitsubishi electric MSZ-G09SV Service Manual (68 pages)

Brand: Mitsubishi-electric | Category: Split-system air conditioners | Size: 1.78 MB |

English

Table of contents

SERVICE MANUAL

1

MSZ-G09SV

1

MUZ-G09SV

1

MSZ-G12SV

1

MUZ-G12SV

1

PART NAMES AND FUNCTIONS

2

REMOTE CONTROLLER

3

MSZ-G09SV

3

MSZ-G12SV

3

SPECIFICATION

4

INDOOR UNIT

5

OUTDOOR UNIT

5

NOISE CRITERIA CURVES

6

OUTLINES AND DIMENSIONS4

7

REQUIRED SPACE

8

5 WIRING DIAGRAM

9

REFRIGERANT SYSTEM DIAGRAM

12

MAX. HEIGHT DIFFERENCE

13

PERFORMANCE CURVES7

14

Heating capacity

16

MUZ-G09SV

17

MUZ-G12SV

17

MSZ-G09SV - MUZ-G09SV

19

MSZ-G12SV - MUZ-G12SV

21

MICROPROCESSOR CONTROL8

24

● Fuzzy control

25

3. Coil frost prevention

26

<outdoor unit>

28

8-2. COOL ( ) OPERATION

28

8-3. DRY ( ) OPERATION

28

8-4. HEAT ( ) OPERATION

29

8-5. FAN MOTOR CONTROL

29

8-6. AUTO VANE OPERATION

29

COOL and DRY

30

About 100

30

About 150

30

18°C to 20°C

31

PROGRAM TIMER

32

8-8. EMERGENCY-TEST OPERATION

32

E1 MUZ-G12SV- E1

33

8-12. 4-way valve control

36

<COOL>

36

<HEAT>

36

<Input side>

37

<Output side>

37

9 SERVICE FUNCTIONS

38

TROUBLESHOOTING10

40

2.5 seconds OFFON ON

44

(When fan revolved one time)

45

0V➔5V➔0V

45

(Approx.)

45

:INNER PROTECTOR

46

Check of open phase

47

Check of transistor module

47

Check of compressor winding

48

Check of compressor

48

Check of outdoor fan motor

51

Check of R.V. coil

51

Noise filter P.C. board

56

Relay P.C. board

57

DISASSEMBLY INSTRUCTIONS

58

OPERATING PROCEDURE PHOTOS

59

OPERATING PROCEDURE

60

PARTS LIST

62

12-6. OUTDOOR UNIT

65

ELECTRICAL PARTS

65

OPTIONAL PARTS

66

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