Tescom T-300P Series, User Manual, Page: 3 / 45

CONTENTS
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I. GENERAL DESCRIPTION ..................................................................................................................... 2
1.1 Introduction ....................................................................................................................................... 2
1.2
Design Concept ................................................................................................................................ 3
1.2.1
The Operating Modes of UPS ................................................................................................ 4
1.2.2 The Power Configuration of UPS ........................................................................................... 4
1.3 Technical Specifications ................................................................................................................... 7
II. FRONT PANEL ....................................................................................................................................... 8
2.1 Introduction ....................................................................................................................................... 8
2.2
Alarms And Status Messages .......................................................................................................... 8
2.3 Menu Description ............................................................................................................................. 11
2.4 MAIN Menu ...................................................................................................................................... 13
2.5 MEASURES Menu Items ................................................................................................................. 13
2.6
ALARMS Menu Items ....................................................................................................................... 13
2.7
INFORMATION Menu Items ............................................................................................................ 14
2.8 SETTINGS Menu Items ................................................................................................................... 14
2.9 COMMAND Menu Items .................................................................................................................. 15
2.10 TIME Menu Items .......................................................................................................................... 16
2.11
PASSWORD Menu Items .............................................................................................................. 16
III. PARALLEL OPERATION ....................................................................................................................... 17
3.1 Introduction ....................................................................................................................................... 17
3.1.1 Security .................................................................................................................................. 17
3.1.2 Redundancy ........................................................................................................................... 17
3.1.3
Power Increase ...................................................................................................................... 17
3.2 Parallel Operation Modes ................................................................................................................. 17
3.2.1 Symmetric Parallel Mode ....................................................................................................... 17
3.2.2 Redundant Parallel Mode ...................................................................................................... 18
3.2.3 Hot Standby Mode ................................................................................................................. 19
3.3 Parallel Operation Mode Fault Codes .............................................................................................. 19
3.4 Parallel System Accessories ............................................................................................................ 19
IV. OPERATING INSTRUCTIONS ............................................................................................................... 21
4.1 Introduction ....................................................................................................................................... 21
4.2 OPERATING INSTRUCTIONS FOR A SINGLE UPS UNIT. (ONLINE OPERATION) .................. 21
4.2.1 Procedure For Switching The UPS To Power The Load From a Power-Off Condition ........ 21
4.2.2 Procedure For Switching The UPS Into a Maintenance Bypass From
Normal Operation ................................................................................................................... 22
4.2.3 Procedure For Switching The UPS ON From a Maintenance By-Pass Power
Down Condition ...................................................................................................................... 22
4.2.4 Procedure For Switching The UPS From Manual By-Pass
To Inverter (Normal Operation) .............................................................................................. 22
4.2.5 Procedure For Completely Powering Down The UPS ........................................................... 23
4.2.6 When Utility Power Is Interrupted .......................................................................................... 23
4.3
OPERATING INSTRUCTIONS FOR PARALLEL CONNECTED UPS’s ......................................... 23
4.3.1 Procedure For Switching The UPS To Power The Load From a Power-Off Condition ......... 23
4.3.2 Procedure For Switching The UPS’s Into a Maintenance By-Pass From
Normal Operation ................................................................................................................... 24
4.3.3
Procedure For Switching The UPS-ON For Normal Operation From a
Maintenance By-Pass Power Down Condition ...................................................................... 25