Table of Contents

1

Basic Operation

3

 

1.1

Technical Specifications

3

 

 

KX Models

3

 

 

K and KTV Models

4

 

 

SU80K Model

5

 

1.2

Features

6

 

 

1.2.1 Advanced Features

6

 

 

1.2.2 Control Panel Features

6

 

 

1.2.3 Front and Rear Panel Features

7

 

1.3

Operating Principles

13

 

 

1.3.1 System Layout

13

 

 

1.3.2 Internal Battery Layout

13

 

 

1.3.3 Power Module Layout

14

 

1.4

Opening and Closing the Unit

14

 

1.5

Operating Modes

15

 

 

1.5.1 Online (Normal) Mode (Single UPS)

15

 

 

1.5.2 Battery Backup Mode (Single UPS)

15

 

 

1.5.3 Auto Bypass Mode (Single UPS)

15

 

 

1.5.4 Manual Bypass Mode (Single UPS)

15

 

 

1.5.5 Online Mode (Parallel UPS)

16

 

 

1.5.6 Battery Backup Mode (Parallel UPS)

16

 

 

1.5.7 Auto Bypass Mode (Parallel UPS)

16

 

 

1.5.8 Manual Bypass Mode (Parallel UPS)

17

 

 

1.5.9 Hot Standby Mode (Parallel UPS)

17

 

1.6

Start-Up, Shutdown and Bypass

18

 

 

1.6.1 Control Panel and Breaker Diagrams

18

 

 

1.6.2 Preliminary Checklist (Single UPS)

18

 

 

1.6.3 Standard Start-Up Procedure (Single UPS)

18

 

 

1.6.4 Battery Start-Up Procedure (Single UPS)

19

 

 

1.6.5 Manual Bypass Procedure (Single UPS)

20

 

 

1.6.6 Shutdown Procedure (Single UPS)

20

 

 

1.6.7 Preliminary Checklist (Parallel UPS)

21

 

 

1.6.8 Start-Up Procedure (Parallel UPS)

21

 

 

1.6.9 Shutdown Procedure (Parallel UPS)

22

 

 

1.6.10 Manual Bypass Procedure (Parallel UPS)

23

 

 

1.6.11 Switching from Manual Bypass to Normal Mode

 

 

 

(Parallel UPS)

24

 

1.7

Printed Circuit Boards (PCB)

25

 

 

1.7.1 PCB Location (System)

26

 

 

1.7.1.1 KX Models

26

 

 

1.7.1.2 K Models

28

 

 

1.7.1.3 KTV Models

32

 

 

1.7.2 PCB Power Module

33

 

1.8

Block and Wiring Diagrams

34

 

 

1.8.1 KX Models

34

 

 

1.8.2 K Models

40

 

 

1.8.3 KTV Models

45

2

Theory of Operation

48

 

2.1 AC Auxiliary Power Circuit

48

 

2.2

DC Auxiliary Power Circuit

51

 

2.3 Auxiliary Power Failure Detection

51

 

2.4

Output Current Detection

52

 

2.5

Input Voltage Detection

53

 

2.6

Output Voltage Detection

54

 

2.7

Battery Voltage Detection

55

 

2.8

Bypass SCR Short-Circuit Detection

56

 

2.9

Bypass SCR Driver

57

 

2.10 Watchdog for System MCU

58

 

2.11

LCD Panel Control Circuit

59

 

2.12

Fan Control Circuit

60

 

2.13

Bypass SCR Temperature Detection

61

 

2.14

Communication Circuit for RS232

61

 

2.15

Communication Circuit for Slots

62

 

2.16

Communication Circuit for Output Dry Contact

63

 

2.17

Communication Circuit for Input Dry Contact and REPO

64

 

2.18

External Battery Cabinet Temperature Detection

65

 

2.19

Detection Circuit for Manual Bypass Switch

66

 

2.20

Detection Circuit for Output Breaker

66

 

2.21

Control Circuit for Power Module

67

 

2.22 Transformer Over Temperature Detection

71

3 Communication

72

 

3.01

RS232 Port

72

 

3.02

Emergency Power Off (EPO)

72

 

3.1 Setting EEPROM on the NH-M Board

74

 

 

3.1.1 Polling and Updating EEPROM

74

 

 

3.1.2 Calibrating EEPROM Gain

75

 

3.2

Setting Output Dry Contact Status

76

 

3.3

Upgrading Firmware for the System Board

77

 

3.4

Upgrading Firmware for the Power Module

82

 

3.5

Downloading the Event Log

90

4

Internal Battery

91

 

4.1

Installing and Removing Internal Batteries

92

 

4.2

Battery Cabinet

95

5

Troubleshooting

98

 

5.1 Alarm Messages

98

 

5.2 Troubleshooting Flow Charts

100

 

 

5.2.1 “MAIN VOLT/FREQ NOK”

100

 

 

5.2.2 “MAIN SEQUENCE NOK”

101

 

 

5.2.3 “BYPASS VOLT/FREQ NOK”

102

 

 

5.2.4 “BYPASS SEQUENCE NOK”

103

 

 

5.2.5 “BYPASS STATIC SWITCH OVER TEMPERATURE”

103

 

 

5.2.6 “BYPASS STATIC SWITCH FAULT”

104

 

 

5.2.7 “BYPASS STATIC SWITCH OVERLOAD”

104

 

 

5.2.8 “UPS INTERNAL COMM ABNORMAL”

105

 

 

5.2.9 “BATTERY TEST FAIL”

106

 

 

5.2.10 “BATTERY OVER CHARGE”

106

 

 

5.2.11 “BATTERY BAD”

107

 

 

5.2.12 “BYPASS FAN FAILURE”

108

 

 

5.2.13 “TRANSFORMER OVERHEAT”

109

 

 

5.2.14 “PS OUTPUT VOLT NOK”

110

 

 

5.2.15 “PS EXT PARALLEL COMM ABNORMAL”

111

 

 

5.2.16 “PARALLEL FAILURE”

112

 

 

5.2.17 “REDUNDANCY LOSS”

113

6 Power Module

114

 

6.1

Failure Power Module Identify

114

 

6.2

Power Module Replacement

117

7

Preventive Maintenance

121

 

7.1

Safety Overview

121

 

7.2

Suggested tools and supplies

121

 

7.3

UPS Procedure

121

 

7.4

Internal Battery Procedure

122

Appendix A Service Equipment and Tools

123

Appendix B Torque Table

124

Appendix C PCB and Test Point

128

2

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Tripp Lite SU60KX manual Table of Contents