| 3.10. | EXTERNAL ALARM INPUT CONNECTIONS | 25 |
| 3.11. | RECTIFIER MODULE INSTALLATION | 26 |
4 COMMISSIONING AND PREVENTIVE MAINTENANCE | 27 | ||
| 4.1. | 27 | |
| Environment | 27 | |
| Electrical Installation | 27 | |
| Battery Visual and Safety Inspection | 27 | |
| 4.2. | COMMISSIONING | 28 |
| Initial | 28 | |
| AC Power Up | 28 | |
| DC Power Up: | 29 | |
| Rectifier Test: | 29 | |
| LVD Test | 29 | |
| Battery Power Up | 29 | |
| Circuit Breaker/ Fuse Test: | 30 | |
| User Inputs | 30 | |
| Output Relays: | 30 | |
| Battery Temperature Compensation | 30 | |
| 4.3. | FINAL INSPECTION: | 31 |
5 | OPERATION | 32 | |
| 5.1. | TECHNICAL DESCRIPTION | 32 |
| 5.2. | RECTIFIER MANAGEMENT | 32 |
| AC Input Power | 32 | |
| DC Output Power | 32 | |
| Rectifier alarms reporting | 32 | |
| 5.3. | SYSTEM MANAGEMENT | 33 |
| System Output Capacity | 33 | |
| System Voltage Control | 33 | |
| System Current | 33 | |
| System Status and Alarm Reporting | 34 | |
| 5.4. | DC DISTRIBUTION | 34 |
| 5.5. | BATTERY MANAGEMENT | 34 |
| Battery Charging and Protection | 34 | |
| Battery/Load Low Voltage Disconnect | 35 | |
| 5.6. | CONTROLS AND INDICATORS | 35 |
| Front Panel User Interface | 35 | |
| Parameter Locations, Descriptions, and Default Values | 36 | |
| Control Unit Menu Structure | 46 | |
| Front Panel LED Indicators | 52 | |
| 5.7. | ALARM OUTPUTS (OUTPUT RELAYS) | 52 |
| 5.8. | EXTERNAL ALARM INPUTS (INPUT RELAYS) | 53 |
6 | REMOTE MONITORING | 54 | |
| 6.1. | DESCRIPTION | 54 |
| 6.2. | PHYSICAL CONNECTIONS | 54 |
MX28B1200/2400 MX28B1200/4800 | Page iii |