American Power Conversion LVD300, LVD400, LVD500, LVD600, LVD1000 manual Controls and Indicators

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SECTION 4: CONTROLS AND INDICATORS

KEYSWITCH

1The keyswitch, when set to the NORMAL position allows the contactor to operate normally as described in Section 3 Para 2. When set to the OPEN position the contactor control is overridden and the contactor is de-energised.

LVD PCA LED

2LED1 on the LVD PCA is lit when the input voltage to the PCA is greater than the low voltage disconnection (LVD) setting, 42.5 V. During normal operation the LED is lit.

Text artwork 990-9030 Rev. A. Equipment Handbook for the Low Voltage Disconnectors series

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Contents Equipment Handbook for LOW Voltage Disconnectors Contents Issue Description Date Issue RecordBefore using the units, carry out the following Safety InstructionsSpecification Circuit Description Keyswitch Controls and IndicatorsLVD PCA LED Voltage Monitor Settings Installation and CommissioningPRE Installation Test Stage 3 Remote loop connections Stage 2 Input connectionsStage 3 Output connections Stage 2 Power up sequenceCommissioning Stage 1 PreparationSIX Monthly Check Routine MaintenanceAnnual Check Field Replaceable Units Fault Diagnosis and RepairFuse Failure Fuse Removal and ReplacementLVD PCA Failure LVD PCA Removal and ReplacementContactor Failure Contactor Removal and Replacement Preparation Manual HandlingMethod Date Service LOG Action Actioned by Name Signature Appendix a Service LOGBlank Drawing Appendix B System DrawingsRear