Mosebach X250S Operation And Service Manual
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Mosebach X250S Operation And Service Manual

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X250S
Load Bank

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Summary of Contents for Mosebach X250S

  • Page 1 X250S Load Bank...

  • Page 2: Table Of Contents

    X250S Load Bank Read all instructions before using the load bank Contents Contents ............................2 Receiving ........................... 3 Load Bank ..........................3 Manual ..........................3 Specifications ..........................4 Mechanical ..........................4 Lifting ..........................4 Enclosure ......................... 4 iii. Cooling ..........................4 Electrical ..........................

  • Page 3: Receiving

    X250S Load Bank 1) Receiving Check the unit for obvious damage and report any exterior damage to the carrier immediately. a. Load Bank 1x X250S Load Bank Casters and Lifting Bar are Optional b. Manual 1x X250S Owner’s Manual...

  • Page 4: Specifications

    X250S Load Bank 2) Specifications a. Mechanical i. Lifting The X250S load bank is equipped with fork tubes for lifting or may be equipped with an optional lifting bar. DO NOT lift the unit by any other means; this could cause severe damage.

  • Page 5: Electrical

    X250S Load Bank b. Electrical i. Control power The unit is equipped with a 120VAC 10A plug to supply 120VAC 60Hz external control power. ii. Load power 1. The unit is designed to operate at 208/240/480VAC 3-Phase or 120/240VAC 1-Phase load power. See the tables below for operating specifications at each voltage.

  • Page 6: Safety

    X250S Load Bank 3) Safety a. Grounding The load bank must be firmly and electrically connected to earth ground via the grounding found on the unit. Failure to do so could allow deadly voltage to be present on the surface of the enclosure. The grounding connection provides a low resistance path to ground.

  • Page 7: Common Best Practices

    X250S Load Bank e. Common Best Practices i. Read all instructions before using this load bank. ii. This load bank is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. Keep combustible materials at least 6 feet (1.8 meters) from the front of the load bank and keep them away from the sides and rear.

  • Page 8: Operation

    X250S Load Bank 4) Operation Please contact Mosebach Manufacturing if you are planning on operating the load bank in ambient temperatures above 46 ºC. Ambient plus heat generated by the resistive elements can cause electrical components to possibly malfunction. a. Pre-Start Up i.

  • Page 9: Acuvim Ii Power Quality Meter

    X250S Load Bank 2. Place desired step switches in the ON position to apply load step by step. v. Disconnect individual steps by placing the step switches in the OFF position and/or disconnect all load simultaneously by placing the Master switch in the OFF position.

  • Page 10: Troubleshooting

    X250S Load Bank 5) Troubleshooting a. Load bank will not turn on i. Make sure the Main Power switch is in the ON position. ii. Check the control fuses. b. Blower will not turn on i. Make sure the load bank is turning on.

  • Page 11: Maintenance

    X250S Load Bank 6) Maintenance All maintenance should be conducted on a de-energized unit. Operator is to confirm prior to performing any maintenance. a. Replacing a fuse i. Main Control (FC) Fuse This fuse is located on the front of the switch panel of the load bank and may be removed by pushing down and twisting the front of the fuse cover.

  • Page 12: Load Power (Fla1, Fla2, Flb1, Flb2, Flc1, Flc2) Fuses

    Replacing Contactors Contact Mosebach Manufacturing Co. if there is a contactor that needs to be replaced. c. Replacing Resistors Contact Mosebach Manufacturing Co. if there is a problem with the resistors or if a resistor needs to be replaced.

  • Page 13: Preventative Maintenance

    X250S Load Bank d. Preventative Maintenance Do not use a power washer to clean off the exterior of the unit. It is high voltage electrical equipment. Action Frequency Walk around the unit and inspect for: Every use a) Obvious damage...

  • Page 14: Service Parts

    X250S Load Bank 7) Service Parts Part Number EC-9500-1434 Blowers Meter EC-9500-2176 Green Illuminated Switch EC-9500-1906 Red Light EC-9500-1904 OTS Sensor EC-9500-2182 Fuse – 10A Type AGC EC-9500-1577 Fuse – 1A EC-9500-0247 Fuse 450A EC-9500-0916 RA-0055-0395-1 RA-0055-0395-2 RA-0055-0395-3 RA-0055-0395-4 RA-0055-0395-5...

  • Page 15: Copyright

    X250S Load Bank 8) Copyright Copyright © 2018 Mosebach Manufacturing Company MOSEBACH MANUFACTURING COMPANY 1417 McLaughlin Run Road • Pittsburgh, PA 15241-3103 USA T: 412.220.0237 Customer Care F: 412-220-0236 www.mosebachresistors.com OM-X250S.doc January 29, 2018 “SAVE THESE INSTRUCTIONS”...

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