INVT HT33 Series Service Manual

1 UPS AEEEMBLY ......................................................................................................................... 4
1.1 Features ............................................................................................................................... 4
1.2 UPS System Structure ......................................................................................................... 4
1.3 Rectifier/Discharger ............................................................................................................ 5
1.4 Battery/Charger ................................................................................................................... 5
1.5 Inverter ................................................................................................................................ 5
1.6 Static Bypass ....................................................................................................................... 6
1.7 Manual Bypass .................................................................................................................... 7
2 FRONT PANEL ........................................................................................................................... 8
2.1 Panel Description ................................................................................................................ 8
2.2 Remote Monitoring ............................................................................................................. 8
2.3 Emergency Power Off......................................................................................................... 8
INSTALLATION .................................................................................................................... 9
3
3.1 Mechanical Installation ....................................................................................................... 9
3.2 Electrical Installation ........................................................................................................ 10
3.3 Remote Emergency Power Off ......................................................................................... 11
4 INITIAL START-UP .................................................................................................................. 13
4.1 Start-Up Procedure ............................................................................................................ 13
5 OPERATING MODES .............................................................................................................. 15
5.1 General .............................................................................................................................. 15
5.2 Normal Operation ............................................................................................................. 15
5.3 Battery Operation .............................................................................................................. 15
5.4 Bypass Operation .............................................................................................................. 16
5.5 Maintenance Bypass Operation ........................................................................................ 16
6 OPEATING INSTRUCTIONS ................................................................................................. 18
6.1 Switching On .................................................................................................................... 18
6.2 Switching Off .................................................................................................................... 18
6.3 Switching On from Maintenance Bypass .......................................................................... 18
6.4 Switching Off to Maintenance Bypass .............................................................................. 19
6.5 Emergency Power Off (Single Unit) ................................................................................. 19
7 DISPLAY PANEL ...................................................................................................................... 20
General 20
7.0 Main Menu ...................................................................................................................... 21
7.1 M1. Input information .................................................................................................... 21
7.1.1 M1-1. Input information ........................................................................................ 22
7.1.2 M1-2. Bypass input information ............................................................................ 22
7.2 M2. Output information ................................................................................................. 23
7.2.1 M2-1.output information ........................................................................................ 23
7.2.2 M2-2. Output load information .............................................................................. 23
7.3 M3. Battery information ................................................................................................ 24
7.3.1 M3-1. Battery information ..................................................................................... 24
7.3.2 M3-2. DCbus voltage ............................................................................................. 25
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