MPS Doc: M359_USER_MANUAL REV G January 17, 2010 Page 2 of 30
Table of Contents
Para Description Page
Important Safety Instructions 3
1 General Description 4
1.1 Intended Application 4
1.2 Functional Overview 4
2 Electrical Installation Instructions 7
3 Front Panel Description 9
3.1 Front panel: Main Components 9
3.2 Front Panel: Indicators and Controls 10
4 Rear Panel Description 11
5 Operating the M359 12
5.1 General 12
5.2 Modes of Operation 12
5.2.1 UPS Mode 12
5.2.2 Off State 13
5.2.3 By-Pass Mode 13
5.2.4 Stand-By Mode 13
5.2.5 UPS Test Mode 13
5.3 Local Control (Using the Front panel Switches) 14
5.3.1 PWR ON/OFF Switch 14
5.3.2 INPUT UPS/BY-PSS Switch 14
5.3.3 OUTPUT UPS/BY-PSS Switch 14
5.4 Remote Control (Using the Remote Switches) 15
5.4.1 Remote PWR ON/OFF Switch 15
5.4.2 Remote UPS/BY-PASS Selector 15
5.5 Visual Indicators 15
5.6 UPS Response to Input AC Failure 17
5.7 UPS Response to Overload Condition 18
5.7.1 Output Current Limiting 18
5.7.2 Overload Protection 18
5.7.3 Recovery from Overload Shutdown 18
5.8 UPS Response to Overtemperature Condition 20
6 Maintaining the M359 21
6.1 Battery Test 21
6.2 Battery Service Life 21
6.3 Replacing the Battery Pack 22
6.4 Air Filter Maintenance 23
7 Communication and Remote Control 23
7.1 Ethernet SNMP (Optional) 23
7.2 Dry-Contacts Interface 23
7.3 RS-232 Serial Interface 25
7.4 Remote Control Interface (Remote Switches) 25
8 Specification 27
9 How to Order 30
List of Figures
Figure Description Page
1 M359 Block Diagram 6
2 Electrical Connections 8
3 Front Panel, Main Components 9
4 Front Panel, Indicators and Controls 10
5 Rear Panel 11
6 Output Short Circuit Current Waveform 19
7 Output Short Circuit Shutdown 19
8 Overload (3kW) Shutdown 20
9 Dry Contacts 22
10 Remote Switches Connections 26
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