Danfoss VLT HVACDrive Instruction Manual

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Contents

Danfoss VLT HVACDrive Instruction Manual Manual pdf 13 page image

2 Safety2.1.1 SymbolsSymbols used in this manual:NOTE!Indicates something to be noted by the reader.Indicates a general warning.Indicates a high-voltage warning.✮ Indicates default setting2.1.2 High Voltage WarningThe voltage of the adjustable frequency drive and the MCO 101 option card is dangerous whenever it is connected to line power.Incorrect installation of the motor or adjustable frequency drive may causedeath, serious injury or damage to the equipment. Conse-quently, it is essential to comply with the instructions in this manual as well as local and national rules and safety regulations.2.1.3 Safety NoteThe voltage of the adjustable frequency drive is dangerous whenever connected to line power. Incorrect installation of the motor,adjustable frequency drive or serial communication bus may cause death, serious personal injury or damage to the equipment. Con-sequently, the instructions in this manual, as well as national and local rules and safety regulations, must be complied with.Safety Regulations1. The adjustable frequency drive must be disconnected from line power if repair work is to be carried out. Make sure that the line power supplyhas been disconnected and that the necessary time has passed before removing motor and line power plugs.2. The [STOP/RESET] key on the LCP of the adjustable frequency drive does not disconnect the equipment from line power and is thus not to beused as a safety switch.3. Correct protective grounding of the equipment must be established, the user must be protected against supply voltage, and the motor must beprotected against overload in accordance with applicable national and local regulations.VLT® HVAC Drive Instruction Manual 2 SafetyMG.11.AB.22 - VLT® is a registered Danfoss trademark 2-12