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Hoyer HMA4 User Manual

Hoyer HMA4
40 pages
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Electric Motors
Motor Manual
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Hoyer HMA4 Specifications

General IconGeneral
BrandHoyer
ModelHMA4
CategoryEngine
LanguageEnglish

Summary

Notice

1.1 General Information

Overview of motor types, standards, ratings, and CE marking.

1.2 Safety Instructions

Guidelines for safe operation, lifting, and transport of motors.

Ex nA/ec and tc motors

2.1 Cable Glands and Connection

Requirements for certified cable glands and electrical connections.

2.2 Maintenance and Spare Parts

Specialized maintenance and parts replacement for Ex motors.

2.3 Frequency Converter Operation

Specific notes for operating Ex motors with frequency converters.

Receipt, Transport and Storage

3.1 Receipt and Transport

Procedures for receiving, handling, and transporting motors safely.

3.2 Storage

Guidelines for proper short-term and long-term storage to prevent damage.

Installation and Commissioning

4.1 General

Essential steps for motor installation and initial commissioning.

4.2 Support and Alignment

Proper mounting, support, and alignment procedures for motors.

4.3 Measure Insulation Resistance

Procedure for measuring winding insulation resistance before operation.

Electrical Connection and Cabling

5.1 Direction of Rotation

How to set and check the motor's direction of rotation.

5.2 Terminal Box and Terminal Board

Description of the terminal box, its components, and safety precautions.

5.3 Connection Diagram

Wiring diagrams and terminal tightening torque specifications.

Thermal Protection

6.1 Thermal Protection with Thermistors (PTC)

Use of PTC thermistors for motor overheating protection.

6.2 Thermal Protection with Bimetal Switches

Application of bimetal switches for thermal overload protection.

6.3 Temperature Monitoring with Pt100 Sensors

Using Pt100 sensors for monitoring motor winding and bearing temperatures.

6.4 Heater Strip

Function of heater strips to prevent condensation in motors.

Motor Data and Parts

7.1 Exploded View of Motor and Cross-section View

Visual representation of motor components and internal structure.

7.2 Bearing Types for Motor Sizes

Specification of bearing types and sizes for various motor frame sizes.

7.3 Permissible Axial and Radial Bearing Loads

Guidelines on permissible axial and radial loads for motor bearings.

Frequency Converter Operation

8.1 Operating Speed

Considerations for motor operating speed when using VFDs.

8.2 Winding Insulation

Requirements for winding insulation when using VFDs.

8.3 Bearing Deterioration in Relation to VFD

Addressing bearing current issues caused by VFD operation.

8.4 Additional Solutions for Limitation of Bearing Currents

Advanced methods to mitigate motor bearing currents.

8.5 Hoyer VFD Application Suggestions

Recommendations for optimal VFD and motor application.

Operation

9.1 Considerations

General safety and usage considerations for motor operation.

9.2 Checklist

Pre-operation checks to ensure motor readiness and safety.

9.3 Cooling

Factors to verify for adequate motor cooling during operation.

9.4 Motor Operation with a VFD

Guidelines for operating motors correctly with VFDs.

9.5 Operating Speed

Information on maximum permissible motor rotor speeds.

Maintenance

10.1 General

General procedures for motor inspection, cleaning, and upkeep.

10.2 Bearings and Re-greasing

Detailed instructions for bearing maintenance and re-greasing procedures.

Disposal and Environmental Protection

11.1 Product Disposal Information

Details on WEEE symbol and proper disposal of electrical equipment.

11.2 RoHS and REACH

Compliance information regarding RoHS and REACH regulations.

11.3 Electric Motors

Information on motor materials and end-of-life disposal regulations.

11.4 Packaging Material

Overview of packaging materials and recycling recommendations.

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