1 CHAPTER OVERVIEW
This chapter consists of the following sections:
1
Chapter Overview
2 installation
2.1 Handling the Goods
2.1.1 Cables and Connectors
2.1.2 Case dimensions
2.2 Commissioning
2.2.1 Commissioning Test and equipment required
2.2.2 External circuitry check
2.2.2.1 Earthing
2.2.2.2 CT Polarity
2.2.3 Check relay settings
2.2.4 Final check
2.2.5 Relay Testing
2.2.5.1 Relay calibration
2.2.5.2 Pickup, Trip and Binary Output Test:
2.2.6 Testing of Binary Input Contact:
2.2.7 Testing for optional auxiliary power supply
2.2.8 Testing for trip coil
2.2.9 Testing for flag coil
2.2.10 Functional test
2.2.10.1 Testing of Overcurrent Protection
2.2.10.2 Testing of Earth Fault Protection
2.3 Maintenance
2.4 Troubleshooting
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