Danfoss VLT HVAC Basic Drive FC 101 manuals

Owner’s manuals and user’s guides for Power supply units Danfoss VLT HVAC Basic Drive FC 101.
We providing 1 pdf manuals Danfoss VLT HVAC Basic Drive FC 101 for download free by document types: Service Manual

Danfoss VLT HVAC Basic Drive FC 101 Service Manual (106 pages)

Brand: Danfoss | Category: Power supply units | Size: 18.85 MB |

English

Table of contents

Service Manual

1

Contents

3

1 Introduction

3

4 Troubleshooting

3

6 Test Procedures

4

9 Block Diagrams

7

1.4.1 Frame Size Definitions

9

Introduction

10

1.5 Tools Required

11

130BC342.10

14

1.9 Ratings Tables

19

1.9.2 DC Voltage Levels

19

2 Frequency Converter Control

20

2.3.2 Output Signals

21

Service Functions

21

2.5 Control Terminals

21

2.7 Earthing Shielded Cables

24

3.1 General

25

3.2 Description of Operation

25

Logic section

25

Logic to Power Interface

26

3.2.3 Power Section

26

3.3 Sequence of Operation

26

3.3.1 Rectifier Section

26

Intermediate Section

28

130BX136.10

30

3.3.4 Fan Speed Control

32

4.4 Visual Inspection

34

130BP044.10

35

Warnings and Alarms

36

4.6.2 Warnings

37

Warning And Alarm Messages

37

After Repair Tests

41

40 MG90X202 - VLT

42

Unstable Motor Operation

43

5.1.1 Overvoltage Trips

43

Mains Phase Loss Trips

43

Control Logic Problems

44

Programming Problems

44

failure mode of the sensors

45

5.2.4 Sources of EMI

46

EMI Propagation

46

5.2.6 Preventive Measures

47

6.1 Non-repairable Units

48

130BC201.10

49

130BD011.10

49

DISCHARGE TIME!

50

6.3.2 Rectifier Circuit Test

51

Inverter Section Tests

51

130BC352.10

52

130BC353.10

52

130BC354.10

53

130BC355.10

53

130BC356.10

53

130BC351.10

53

130BC358.10

54

130BC359.10

54

6.4.5 Input Waveform Test

56

0.0 ms 5 ms/Div

57

130BX144.10

57

56 MG90X202 - VLT

58

130BC113.11

60

7.3.3 DC Coil

61

DC Link Card

61

7.3.5 RFI Filter

62

Power Card

62

130BC108.11

63

130BC125.11

64

130BC346.10

64

7.4.4 RFI Filter

65

Relay Transducer Card

65

130BC131.11

66

130BC133.12

67

130BC348.10

68

RFI Filter

71

130BC127.11

72

7.5.9 DC Coil

74

Capacitor Bank

74

7.6.3 Power Card

76

Heatsink and DC Coils

76

130BC107.11

77

130BC059.11

78

130BC060.11

79

130BC064.11

79

130BC061.11

80

130BC062.11

80

130BC063.11

81

130BC065.11

81

130BC066.11

82

130BC070.11

83

130BC071.11

84

130BC072.11

84

130BC076.11

85

130BC073.11

85

130BC075.11

86

130BC077.10

86

130BC078.11

87

130BC080.11

87

130BC350.10

88

130BC081.11

88

130BC082.11

89

130BC083.11

89

130BC074.11

90

130BC094.11

95

9.1.2 I6 Frame Size

99

Block Diagrams

100

9.1.4 H9 Frame Size

101

VGD +/- 15/UDC -/-5

101

130BC138.10

102

MG90X202 - VLT

103

102 MG90X202 - VLT

104

*MG90X202*

106

Danfoss devices