Mitsubishi GMS-D Instruction Manual

Pages 32

Year 2022

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Mitsubishi GMS-D Motor Specification

The Mitsubishi GMS-D Motor is a high-performance, general-purpose induction motor designed for industrial applications requiring robust and reliable operation. Its advanced design incorporates a totally enclosed fan-cooled (TEFC) structure, ensuring optimal thermal management and protection against environmental factors. The motor is engineered with premium-grade materials to enhance durability and longevity, making it suitable for demanding operational conditions.

The GMS-D Motor features a dual-rated voltage capacity, accommodating both 230V and 460V inputs to offer flexibility in various installation setups. Its efficiency class meets or exceeds IE3 standards, aligning with international energy efficiency regulations and contributing to reduced operational costs. The motor's power output ranges from 0.75 kW to 375 kW, providing a wide selection for different industrial needs.

It includes a robust squirrel cage rotor, enhancing its starting torque and operational stability, while the precision-balanced rotor design minimizes vibrations and mechanical stress. The motor's bearings are designed for high load capacity and extended service intervals, featuring a grease-lubricated system that simplifies maintenance. Furthermore, the motor is equipped with an IP55 protection rating, safeguarding against dust ingress and low-pressure water jets from any direction.

Integration with Mitsubishi's advanced control systems, such as inverters and PLCs, is seamless, offering enhanced automation and control capabilities. The GMS-D Motor supports a range of mounting configurations, including foot-mounted and flange-mounted options, to facilitate easy installation. It also complies with international standards like IEC and NEMA, ensuring compatibility and safety across global markets. Designed for optimal performance and reliability, the Mitsubishi GMS-D Motor is an ideal choice for industries seeking efficiency and dependability in their motor-driven operations.

Mitsubishi GMS-D Motor F.A.Q.

What is the recommended maintenance schedule for the Mitsubishi GMS-D Motor?

Regular maintenance for the Mitsubishi GMS-D Motor should be conducted every 3,000 operational hours or at least once a year. This includes checking and replacing lubrication, inspecting electrical connections, and ensuring cooling systems are functioning properly.

How can I troubleshoot overheating issues in the GMS-D Motor?

Overheating can be caused by inadequate ventilation, overloading, or bearing failures. Ensure that the motor is not overloaded, verify that cooling fans are working, and inspect bearings for wear. If the problem persists, consult a professional technician.

What steps should be taken to ensure proper alignment of the GMS-D Motor?

To ensure proper alignment, use a dial indicator to measure shaft runout, check for soft foot conditions, and align the motor to the driven equipment using precision alignment tools. Recheck alignment after the motor is fully mounted.

How do I reset the Mitsubishi GMS-D Motor after a fault occurs?

To reset the motor after a fault, first disconnect the power supply. Investigate and rectify the cause of the fault, such as overload or overheating. After addressing the issue, reconnect the power and press the reset button located on the motor's control panel.

What are the common causes of vibration in the GMS-D Motor and how can they be resolved?

Common causes of vibration include misalignment, imbalance, and worn bearings. Solutions involve realigning the motor and load, rebalancing the rotor, and replacing worn bearings. Regular maintenance checks can prevent such issues.

How can I improve the energy efficiency of the Mitsubishi GMS-D Motor?

Improving energy efficiency can be achieved by ensuring the motor is correctly sized for its application, maintaining proper alignment, using high-efficiency lubricants, and implementing variable frequency drives to optimize speed and load control.

What lubrication is recommended for the bearings in the GMS-D Motor?

The recommended lubrication for the bearings is a high-quality lithium-based grease. It is important to follow the manufacturer's guidelines on the quantity and frequency of lubrication to ensure optimal performance.

How do I replace the cooling fan on the Mitsubishi GMS-D Motor?

To replace the cooling fan, first disconnect the motor from the power supply. Remove the fan cover, then unbolt and detach the old fan. Install the new fan in the reverse order, ensuring it is securely fastened and balanced.

What should I do if the GMS-D Motor does not start?

If the motor does not start, check the power supply and fuses, inspect the control circuit for faults, and ensure that the start switch is functioning. If these are in order, the issue may be with the motor windings or connections, requiring professional inspection.

Can the Mitsubishi GMS-D Motor be used in explosive environments?

The Mitsubishi GMS-D Motor is not designed for use in explosive environments. For such applications, motors specifically rated for hazardous areas, with appropriate explosion-proof certifications, should be used.