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THREE PHASE AUTOMATIC VOLTAGE REGULATOR Issue: Jan 2016
AVS Contactor replacement procedure
Ensure the AVR is isolated from the supply and load before commencing
1. Remove AVR back panel by undoing securing screws.
2. Note all wiring positions.
3. Remove all wiring.
4. Undo securing bolts carefully. Larger contactors are heavy!
5. Remove old contactor and fix replacement in position.
6. Replace all wiring in the same order as previously connected.
7. Test according to instructions in AVR Site Test Procedure
8. Replace back panel
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