Gamatronic Centric Series - Default Chapter; Table of Contents

GAMATRONIC, A SOLAREDGE DIVISION
Centric Installation Guide, 4.7
iii
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS .................................................................................................................... 7
1.1 Do’s ...................................................................................................................................... 7
Don’ts ............................................................................................................................................ 9
2. SYSTEM STRUCTURE ..................................................................................................................... 10
3. INSTALLATION ............................................................................................................................... 12
3.1 Installation Checklist .......................................................................................................... 12
3.2 Installation Procedure ........................................................................................................ 14
3.2.1 Visual Inspection ................................................................................................... 14
3.2.2 Site Preparation – Physical ................................................................................... 14
3.2.3 Site Preparation – Electrical .................................................................................. 16
3.2.4 Cabling .................................................................................................................. 16
3.2.5 Powering-up the system ....................................................................................... 29
3.3 Initial configuration ............................................................................................................. 30
3.3.1 Continuing first-time start-up process ................................................................... 33
3.3.2 Define the IP Address of Centric ........................................................................... 34
3.4 Testing................................................................................................................................ 35
3.4.1 Blackout Test ........................................................................................................ 35
3.4.2 Test Under Load ................................................................................................... 35
3.4.3 Check IP Communication with Controller ............................................................. 35
4. MISCELLANEOUS CONNECTIONS .................................................................................................... 36
4.1.1 Input and output dry contacts ................................................................................ 37
4.1.2 Emergency Power Off – EPO (manual) ................................................................ 39
4.1.3 LVD battery protector ............................................................................................ 40
5. INSERTING AND REMOVING POWER MODULES ................................................................................. 41
5.1 Insertion of power modules at system installation ............................................................. 42
5.2 Replacement of a module in an installed system .............................................................. 44
5.3 Addition of a module in an installed system ....................................................................... 46
5.4 Removing a module from an installed system ................................................................... 49
6. PARALLEL OPERATION .................................................................................................................. 52
6.1 Theory ................................................................................................................................ 52
6.1.1 Decentralized static switch method ....................................................................... 52
6.1.2 Parallel communication ......................................................................................... 53
6.1.3 Current sharing ..................................................................................................... 54
6.1.4 EPO and parallel operation ................................................................................... 56
6.1.5 Manual bypass and parallel operation .................................................................. 56
6.2 Instructions for parallel configuration ................................................................................. 57
6.3 Replacing a UPS in a parallel configuration....................................................................... 65
6.3.1 Shutting down one unit in a parallel configuration ................................................ 66
6.3.2 Transferring the UPS to maintenance bypass mode ............................................ 67
6.3.3 Returning the UPS back to normal mode from maintenance bypass mode ......... 68
7. FALLBACK PUSH-BUTTON CONTROL PANEL .................................................................................... 69
8. CIRCUIT BREAKER SELECTIVITY ..................................................................................................... 70
9. USING THE UPS WITH A GENERATOR ............................................................................................. 72
9.1 The Automatic Transfer Switch (ATS) ............................................................................... 72
10. PERIODIC PREVENTIVE MAINTENANCE ............................................................................................ 74
10.1 Objectives .......................................................................................................................... 74
10.2 Recommended Tools ......................................................................................................... 74