Mitsubishi Electric SEZ-KA71VA manuals

Owner’s manuals and user’s guides for Heat pumps Mitsubishi Electric SEZ-KA71VA.
We providing 1 pdf manuals Mitsubishi Electric SEZ-KA71VA for download free by document types: Service Manual


Table of contents

March 2007

1

TECHNICAL CHANGES

2

SUZ-A09VR.TH ➔ SUZ-KA25VA.TH

3

SUZ-A12VR.TH ➔ SUZ-KA35VA.TH

3

SUZ-A18VR ➔ SUZ-KA50VA.TH

3

SUZ-A24VR ➔ SUZ-KA60VA.TH

3

3. Refrigerant oil

5

4. Air purge

5

5. Additional charge

5

2. Refrigerant piping

5

PART NAMES AND FUNCTIONS

6

SPECIFICATION

7

SEZ-KA·VA.TH / SUZ-KA·VA.TH

9

NOISE CRITERIA CURVES

11

OUTLINES AND DIMENSIONS

12

REQUIRED SPACE

13

WIRING DIAGRAM

14

CN641 CN642

15

REFRIGERANT SYSTEM DIAGRAM

18

SUZ-KA25VA.TH SUZ-KA25VAH.TH

20

SUZ-KA35VA.TH SUZ-KA35VAH.TH

20

MAX. HEIGHT DIFFERENCE

21

PERFORMANCE CURVES

22

SUZ-KA25VA(H).TH

24

SUZ-KA50VA

24

COOL operation

25

HEAT operation

25

Air outlet

26

Air inlet

26

Heating capacity

28

Total input (heating)

28

PERFORMANCE DATA

32

HEATING operation

48

1.TH Rated frequency 80Hz

49

1.TH Rated frequency 96Hz

49

1.TH Rated frequency 61Hz

49

ACTUATOR CONTROL

50

SERVICE FUNCTIONS

51

TROUBLESHOOTING

51

OPERATION INDICATOR lamp

52

OPERATION

53

SUZ-KA25VA.TH SUZ-KA35VA.TH

57

SUZ-KA25VAH.TH SUZ-KA35VAH.TH

57

Lighting

58

SUZ-KA50VA.TH SUZ-KA50VA1.TH

61

SUZ-KA60VA.TH SUZ-KA60VA1.TH

61

SUZ-KA71VA.TH SUZ-KA71VA1.TH

61

12-5. Troubleshooting flow

62

Check of compressor

63

Check of compressor winding

63

Check of R.V. coil

64

Check of outdoor thermistors

64

Check of power supply

65

Check of outdoor fan motor

65

Check of defrost heater

67

Check of inverter P.C. board

68

Indoor unit does not operate

73

Check of LEV

76

Check of HPS

78

12-6-1. Inverter P.C. board

79

12-6-2. Power P.C. board

80

Resistance (k')

81

Temperature (;)

81

12-6-5. Outdoor power board

83

DISASSEMBLY INSTRUCTIONS

84

OPERATING PROCEDURE

85

OUTDOOR UNIT

87

OPERATING PROCEDURE PHOTOS

87

RoHS PARTS LIST

97

FUNCTIONAL PARTS

100

Including heat sink and RT64

101

Outdoor unit {42 drain hole

102

Soft vinyl chloride hose of

102

25mm inside diameter

102





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