OPTI-UPS MD120L - Manual (Page 59)

2.2.3 Auto-Restart Mode ......................................................................................................... 25
2.2.4 Bypass Mode ................................................................................................................. 25
2.2.5 Maintenance Mode ........................................................................................................ 25
2.2.6 ECO Mode ..................................................................................................................... 26
2.2.7 Frequency Converters Mode ......................................................................................... 26
2.3 Battery Management ................................................................................................................. 26
2.3.1 Normal Function ............................................................................................................ 26
2.3.2 Advanced Functions (Battery Self-checking and Maintenance) ..................................... 26
2.4 Battery Protection...................................................................................................................... 27
Chapter 3 Operating Steps ................................................................................................................... 28
3.1 Power Switches ........................................................................................................................ 28
3.2 UPS Start-up ............................................................................................................................. 28
3.2.1 Normal Module Start ...................................................................................................... 29
3.3 Procedure for Switching between Operation Modes ................................................................. 32
3.3.1 Procedure for Switching the UPS into Battery mode from Normal Mode ....................... 32
3.3.2 Procedure for Switching the UPS into Bypass mode from Normal Mode ...................... 32
3.3.3 Procedure for Switching the UPS into Normal from Bypass Mode ................................ 32
3.3.4 Procedure for Switching the UPS into a Maintenance Bypass from Normal Mode ........ 32
3.3.5 Procedure for Switching the UPS into Normal from a Maintenance Bypass Mode ........ 32
3.4 Procedure for Completely Powering down a UPS ..................................................................... 33
3.5 EPO Procedure ......................................................................................................................... 33
3.6 Language Selection .................................................................................................................. 33
3.7 Control Password ...................................................................................................................... 33
Chapter 4 Operator Control and Display Panel .................................................................................. 34
4.1 Introduction ............................................................................................................................... 34
4.1.1 LED Indicator ................................................................................................................. 35
4.1.2 Audible Alarm (buzzer) .................................................................................................. 35
4.1.3 Functional Keys ............................................................................................................. 36
4.2 LCD Display Type ..................................................................................................................... 36
4.3 Detailed Description of Menu Items .......................................................................................... 38
4.4 Alarm List .................................................................................................................................. 40
Chapter 5 Installation of Parallel Operation System .......................................................................... 43
Chapter 6 Maintenance ......................................................................................................................... 45
6.1 Instruction to Power, Bypass, and Output Power Distribution Module ...................................... 45
6.1.1 Precautions .................................................................................................................... 45
6.1.2 Instruction to Power Module .......................................................................................... 45
6.1.3 Instruction to Bypass Module ......................................................................................... 45
6.2 Replacing Dust Screen (optional).............................................................................................. 46
Chapter 7 Product Specification .......................................................................................................... 47
7.1 Applicable Standards ................................................................................................................ 47
7.2 Environmental Characteristics .................................................................................................. 47