Related Manuals for WEG W60 2022 Line
Summary of Contents for WEG W60 2022 Line
- Page 1 Low and high voltage three phase induction motors used in explosive atmospheres W60 2022 Line - Squirrel cage rotor Horizontal Installation, Operation and Maintenance Manual...
- Page 3 Installation, Operation and Maintenance Manual Model: W60 2022 Document Number: 18084709 Language: English Revision: 01 January 2025...
- Page 5 1. The total or partial reproduction of information supplied in this manual is authorized, provided that reference is made to its source. 2. If this manual is lost, an electronic PDF file is available at www.weg.net or another printed copy may be requested.
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Page 7: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ......................11 SAFETY WARNINGS IN THE MANUAL ..................11 GENERAL INSTRUCTIONS ..................12 QUALIFIED PERSONNEL....................... 12 2.1.1 Explosive atmospheres ........................12 SAFETY INSTRUCTIONS ....................... 12 MOTORS APPLIED IN EXPLOSIVE ATMOSPHERES..............12 2.3.1 General Precautions ..........................13 2.3.2 Additional Precautions ......................... - Page 8 Protections – explosive atmospheres ....................23 4.5.1 4.5.2 Thermal protections ...........................23 4.5.2.1 Temperature sensors for explosive atmospheres .............. 23 4.5.2.2 Temperature limits for the windings ................... 23 4.5.2.3 Alarm and trip temperatures ....................23 4.5.2.4 Temperature and ohmic resistance of the PT100 thermoresistance ......... 24 4.5.2.5 Space heater ........................
- Page 9 GENERAL ............................37 GENERAL CLEANING ........................37 7.2.1 Internal inspection ..........................37 WINDING MAINTENANCE ......................37 7.3.1 Winding inspection ..........................37 7.3.2 Winding cleaning ..........................37 7.3.3 Inspections after cleaning ........................37 7.3.4 Reimpregnation ........................... 38 7.3.5 Insulation Resistance .......................... 38 COOLING SYSTEM MAINTENANCE ....................
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Page 11: Introduction
If any additional explanation about motors with major special features is necessary, consult WEG. All procedures and standards contained in this manual must be observed in order to ensure proper operation of the motor and the safety of the personnel involved in its operation. -
Page 12: General Instructions
2 GENERAL INSTRUCTIONS All the personnel involved with the assembly, operation or maintenance of electrical installations must be permanently informed and updated on the standards and safety instructions that guide the job and are advised to strictly comply with them. Before beginning any job, the person in charge must make sure that all points have been duly observed and warn the respective personnel about the danger inherent to the task to be performed. -
Page 13: General Precautions
▪ ABNT NBR IEC 60079-15 - Equipamentos Elétricos 2.5 ENVIRONMENTAL CONDITIONS para Atmosferas Explosivas - Parte 15: Construção, Ensaio e Marcação de Equipamentos Elétricos com Tipo The motor was designed according to the specific de Proteção ‘n’; environmental conditions (temperature and altitude) of your ▪... -
Page 14: Voltage And Frequency
2.7 VOLTAGE AND FREQUENCY It is very important to ensure a proper power supply for the motor. The conductors and the entire protection system must ensure the quality of the power supply at the motor terminals within the limits, in accordance with the IEC60034-1 standard: Ex "e"... -
Page 15: Receiving, Handling And Storage
ATTENTION Any damage must be photographed, documented and reported immediately to the carrier, the insurer and WEG. The non- communication of this damage will void the warranty. Figure 3.1: Handling Lift the motor, as indicated in Figure 3.1, using the four ATTENTION lifting lugs provided only for that purpose. -
Page 16: Outdoor Storage
If any of these requirements is not met in the storage site, WEG suggests that additional protections be added to the 3.3.2 Extended storage motor package during the storage period, as follows: ▪... -
Page 17: Preservation During The Storage
3.3.3 Preservation during the storage 3.3.3.4 Sealing The rubber seals, gaskets, plugs and cable glands of the 3.3.3.1 Space heater motor shall be inspected annually and replaced, if Space heaters must remain powered during storage to necessary. avoid moisture condensation inside the motor and ensure 3.3.3.5 Bearings that the winding insulation resistance remains within... -
Page 18: Terminal Boxes
WEG recommends that, every 3 years of storage, the exposed to temperatures exceeding 50°C. stored motor be sent to a WEG Authorized Repair Shop or to WEG own factory, in order to perform a complete predictive maintenance. -
Page 19: Maintenance Plan During Storage
3.3.3.12 Maintenance plan during storage During the storage period, the motor maintenance must be performed and recorded according to the plan described in Table 3.1. Table 3.1: Storage plan Before Monthly Notes months months years start-up STORAGE LOCATION Inspect the cleanliness conditions Inspect the humidity and temperature conditions Inspect for insect infestation signs... -
Page 20: Preparation For Commissioning
Reassemble the sleeve Contact WEG to perform this procedure. 3.3.4.3 Bearing lubrication Use the lubricant specified for bearing lubrication. Information on the bearings and lubricants are indicated on the bearing nameplates, and the lubrication must be done as described in section 7.9 of this manual, always... -
Page 21: Installation
The frame must be grounded and the three phases of direction. In order to operate the motor in the direction the stator winding must remain connected to the neutral point, according to Figure 4.1. opposite to the specified, consult WEG. 4.4 INSULATION RESISTANCE 4.4.1 Safety Instructions M... -
Page 22: Additional Information
The values used to generate the curve of Figure 4.3 are shown in Table 4.2. Table 4.2: Correction factors (Kt) due to temperature M t (ºC) Correction factor (Kt) Figure 4.2: Connection of the Megohmmeter to separate phases If the total winding measurement presents a value below the recommended, the neutral connections must be opened and the insulation resistance of each phase must be measured separately. -
Page 23: Protections - Explosive Atmospheres
The references from the respective certificates of conformity must be The motor protection devices are listed in considered. the WEG drawing – Wiring diagram. When used in the motor protection circuit, Not using these devices is the sole the thermal protections must be connected... -
Page 24: Temperature And Ohmic Resistance Of The Pt100 Thermoresistance
4.5.2.4 Temperature and ohmic resistance of the PT100 thermoresistance Table 4.5 shows the temperature as a function of the ohmic resistance measured across PT100 RTDs. Table 4.5: Temperature X Resistance (Pt100) º C 100.00 100.39 100.78 101.17 101.56 101.95 102.34 102.73... -
Page 25: Air-Water Heat Exchange Cooling
Motors with a single rotation direction must only rotate in the indicated direction. In order to operate the motor in the rotation direction opposite to the specified, consult WEG. ATTENTION Before making the connections between the motor and the power supply, it is necessary to perform a careful Figure 4.4: Radiator with sacrificial anodes... -
Page 26: Additional Information
4.7.1.2 Additional information In order to connect the motor main power supply cables, unscrew the cover of the stator terminal box, cut the sealing rings (standard motors without cable gland) according to the diameter of the cables to be used and pass them through the sealing rings. -
Page 27: Grounding
In order to invert the rotation direction of unidirectional motors, 4.7.2 Connection diagrams consult WEG. The following connection diagrams show the terminal 4.7.2.2 Accessory connection diagrams identification in the terminal box and the possible stator... -
Page 28: Base Loads
Occasional small corrections may be done with washers NOTES or metal sheets or by readjusting the clearance of the When WEG supplies the anchor plate for fastening bolts. ▪ fastening and aligning the motor, the Tighten all the fastening bolts firmly. -
Page 29: Natural Frequency Of The Base
After positioning the motor, perform the final leveling using the vertical leveling bolts and the leveling shims. ATTENTION Protect all the threaded holes to prevent grout from penetrating the threads during the grouting of the anchor plate and anchor bolts. Figure 4.11: Parallel alignment 4.8.5 Natural frequency of the base... -
Page 30: Doweling
The user is responsible for the motor installation (unless otherwise specified by commercial agreement). NOTE WEG is not liable for damages to the motor, Belts too tensioned increase the load on the associated equipment and installation shaft end, causing vibration and fatigue, or occurred because of: ▪... -
Page 31: Electrostatic Charge
ATTENTION ATTENTION ▪ Consult WEG for the correct sizing of the Move the shaft completely forward and pulley. then perform the correct measurement of the axial clearance; ▪ Align the shaft ends carefully and, NOTE whenever possible, use a flexible coupling, leaving a minimum axial Always use properly balanced pulleys. -
Page 32: Hydraulic Unit
4.10 HYDRAULIC UNIT For further information on installation, operation and maintenance of the hydraulic unit (if any), refer to the motor dimensional drawing and the specific manual of this equipment. The oil return pipe from the motor bearing to the hydraulic unit must have a minimum inclination from the outlet flange of 15°... -
Page 33: Starting
5 STARTING 5.1 DIRECT ON-LINE STARTING 5.2 DIRECT ONLINE STARTING FREQUENCY It is the simplest and most economically feasible method; however, it must only be used when the starting Since induction motors have a high starting current, the current does not affect the power grid. time spent to accelerate loads with high inertia results in Bear in mind that the starting current of motors may a quick rise of the motor temperature. -
Page 34: Commissioning
6 COMMISSIONING When the motor is started for the first time or after a prolonged standstill, several aspects must be considered besides the regular operation procedures. ATTENTION ▪ Avoid any contact with electric circuits; ▪ Even low-voltage circuits may be life threatening; ▪... -
Page 35: Operation
If commissioned. The lubricator models used by WEG can significant vibration variations occur regarding the be gas-actuated or electromechanical (mains or battery-... -
Page 36: Radiators
The vibration measurements are carried out on the NDE and DE bearings, in the vertical, horizontal and axial directions. When the customer sends the half coupling to WEG, the motor is balanced with the half ATTENTION coupling mounted on the shaft. Otherwise, according to... -
Page 37: Maintenance
▪ Check for breaks, faulty welds, short-circuit between turns and against the frame in the coils and connections. In case any fault is detected, consult WEG. ▪ Ensure that all cables are properly connected and that terminal fixation components are duly tightened. -
Page 38: Reimpregnation
If excessive adequate material (in this case, consult WEG). corrosion is found in the sacrificial anode, the frequency of inspection must be increased in order to determine 7.3.5... -
Page 39: Bearing Maintenance
ATTENTION motor for approximately one minute at full speed; ▪ Stop the motor and inject the rest of the grease. WEG does not recommend the use of greases different from the motor original grease. ATTENTION The injection of all the grease with the It is important to perform a correct lubrication, i.e., to... -
Page 40: Alternative Greases
NOTE used in horizontal motors, the quantity of grease and the speed limit for using optional greases. WEG is not liable for the grease change or for any damages arising from this change. Table 7.3: Application of alternative greases Limit speed of the grease [rpm] - Horizontal... -
Page 41: Bearing Disassembly
▪ 7.9.1.9 Bearing disassembly Fill up to ¾ of the inner and outer bearing cap deposits with the recommended grease (Figure 7.3) and lubricate the rolling bearing with enough grease before assembling it; ▪ Before assembling the rolling bearing on the shaft, heat it up to a temperature between 50 ºC and 100 ºC;... -
Page 42: Oil Change
7.9.3.4 Oil change 7.9.3.5 Sealing Self-lubricated bearings Make visual inspections of the sealing, making sure that The bearing oil change must be done according to the the dragging marks of the seal on the shaft do not intervals, which depend on the bearing operating compromise its integrity, checking for cracks and temperatures, shown in Table 7.5: broken parts. -
Page 43: Bearing Disassembly And Assembly
7.9.3.8 Bearing disassembly and assembly Figure 7.5: Parts of the sleeve bearing Figure 7.5 legend: 12. Lower bearing shell 1. Drain plug 13. Upper bearing shell 2. Bearing housing 14. Loose oil ring 3. Motor frame 15. Oil inlet 4. Fastening screws 16. -
Page 44: Disassembly/Assembly Of The Sleeve Bearing Temperature Sensors
▪ ▪ Loosen the screws (4) that fasten the upper half of the The lower and upper halves of the bearing shell have housing (5) to the motor (3). Remove the screws (6) identification numbers or marks to guide their that join the split faces of the bearing housing (2 and positioning. -
Page 45: Motor Disassembly And Assembly
(45°, 135°, 225° and 315°). by WEG to perform such jobs. The difference between the air gap measurements at two diametrically opposed points should be less than 10% of the average air gap 8.2 DISASSEMBLY... -
Page 46: Tightening Torque
8.6.1 Required spare parts NOTE WEG recommends that the spare parts required for the The resistance class is normally indicated on maintenance procedures recommended in the the head of the hex bolts. -
Page 47: Additional Information
8.7 ADDITIONAL INFORMATION Necessary spare parts of the pressurization system (Ex”p” motors) Table 8.5: Optional spare parts Relief valve (RLV) Filter kit for S0015/275 filter/regulator Purge flow sensor Minimum pressure sensor Intermediate pressure sensor CLAPS sensor Pressure megger – air pressure (0-10 barg) Miniature megger –... -
Page 48: Maintenance Plan
9 MAINTENANCE PLAN The maintenance plan described in Table 9.1 is only referential, and the intervals between each maintenance intervention may vary according to the motor location and operating conditions. For the associated equipment, such as the water supply unit or control and protection system, it is necessary to refer to their specific manuals. - Page 49 INSPECTIONS EVERY 2 YEARS (ACCORDING TO NBR IEC60079-17 STANDARD) Ex “e” Ex “ec” Ex “t” Ex MOTORS Degree of inspection CHECK WHETHER: D A V EQUIPMENT The equipment is appropriate for the requirements of EPL / Installation location zone The equipment group is correct The equipment temperature class is correct (only for gas) The maximum surface temperature of the equipment is correct The equipment protection degree (IP code) is appropriate for the protection level...
- Page 50 INSPECTIONS EVERY 2 YEARS (ACCORDING TO NBR IEC60079-17 STANDARD) Ex “p” Motors Degree of inspection CHECK WHETHER: EQUIPMENT The equipment is appropriate for the requirements of EPL / installation local zone The equipment group is correct The equipment temperature class or the surface temperature is correct The identification of the equipment circuit is correct The identification of the equipment circuit is available The enclosure, the glass parts and seals, and/or glass/metal sealing compounds are satisfactory...
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Page 51: Abnormalities, Causes And Solutions
10 ABNORMALITIES, CAUSES AND SOLUTIONS NOTE The instructions of Table 10.1 present only a basic list of abnormalities, causes and corrective actions. In case of questions, consult WEG. Table 10.1: Basic list of abnormalities, causes and corrective actions ABNORMALITY POSSIBLE CAUSES CORRECTION ▪... - Page 52 ABNORMALITY POSSIBLE CAUSES CORRECTION ▪ ▪ Fans with inverted rotation direction Correct the rotation direction of the fans ▪ ▪ Insufficient cooling due to dirty air channels Open and clean the air passage channels ▪ Measure the stator current; reduce the load. ▪...
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Page 53: Declaration Of Conformity
11 DECLARATION OF CONFORMITY... -
Page 55: Environmental Information
These materials are recyclable or reusable and must be properly disposed according to the current regulations of each country. All the wood used in the packaging of WEG motors comes from reforestation and receives anti-fungal treatment. 12.2 PRODUCT... -
Page 56: Warranty Term
The repair and/or replacement of parts or components, when effected by WEG within the Warranty period do not give Warranty extension, unless otherwise expressed in writing by WEG. This constitutes WEG's only warranty in connection with this sale and is in lieu of all other warranties, expressed or implied, written or oral. - Page 57 NOTES...
- Page 59 +55 47 3276.4000 energia@weg.net Jaraguá do Sul - SC - Brazil Cod. 18084709 | Rev. 01 | Date (m/y): 02/2025...
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