Eaton Cutler-Hammer BIHI Instructions Manual

A TRIPPED CONDITION IS A RESULT OF AFAULTED POWER CIRCUIT CONNECTED TO THEEQUIPMENT. FAILURE TO CORRECT SUCHFAULTED CONDITIONS CAN CAUSE SEVEREEQUIPMENT OR CABLE DAMAGE, PRESENTA POTENTIAL FIRE HAZARD AND RESULT INDEATH OR PERSONAL INJURY.IDENTIFY AND CORRECT FAULTED CIRCUITBEFORE ATTEMPTING TO RESET TRIPPEDSWITCHES WITHIN THE ATSBI EQUIPMENT.TO RESET BYPASS SWITCH1. Move appropriate Bypass Switch operatinghandle down to full “OFF” position. This resetaction may require more downward force thanused to open the switch only. A correctly resetswitch will allow the operating handle to remainin the full “OFF” position. If the operating handleremains in a “Midway” position after inital resetattempt, the switch is not reset. Try again.2. The lit “Bypass Tripped” amber light should turnoff.3. Move appropriate Bypass Switch operatinghandle up to the “ON” position.4. Verify that the appropriate “Bypass Energized”red light is lit.NOTE: An Automatic opening of any Mouldedcase Switch used in the ATSBI equipment willonly occur if that specific switch is closed in thepower circuit on which a fault occurs. Therefore,it is only necessary to reset affected switches asindicated by the lit pilot lights.OPTIONAL OVERCURRENT PROTECTION ANDSERVICE EQUIPMENT (OPTION 16 AND 17)(OPTION 37)The Cutler-Hammer ATSBI equipment can beoptionally (16 and 17) equipped with integralovercurrent (overload and short circuit) protection. Ifselected the standard Moulded Case Switches withinstantaneous short circuit releases are replacedwith conventional circuit breakers equipped withthermal elements in addition to magnetic releases toprovide overload and short circuit protection toconnected equipment and cables. These circuitbreakers will replace the standard Moulded CaseSwitches in the ATS and Bypass Switches only. TheIsolation Switch will only employ Moulded CaseSwitches.Units optionally supplied as service equipment rated(Option 37) will inlcude this integral overcurrentprotection as standard. The service equipment ratedunit will also have provisions for service disconnectas required by the NEC. A service disconnectposition is a built in feature of the service equipmentrated Cutler-Hammer ATSBI Switch.STORAGEIf the ATSBI is to be stored prior to installation itshould be ordered with packaging/crating suitablefor the storage environment both mechanically andenvironmentally. The equipment is not designed orpackaged for outdoor storage and warranty will bewithdrawn upon evidence of extended outdoorexposure. It is strongly suggested that thisequipment be stored in a climate controlledenvironment with temperature ranges between -20ºC to 85º C with a relative humidity of 80%condensation or less.MAINTENANCEThe ATSBI is maintenance free under normal usage.Local conditions, however, may make it necessary toclean the equipment once a year. De-energize allsources of power and vacuum away any dust, dirt,or debris that may have accumulated within theenclosure or on logic components.Follow recommendations of the Generatormanufacturer as to testing procedures andfrequency of the associated standby set.Effective July 2007 12I.L. 16913ACAUTION

/ 14

Related manuals for Eaton Cutler-Hammer 4BIH3