Related Manuals for WEG W60 Series
Summary of Contents for WEG W60 Series
- Page 1 Low and high voltage three phase induction motors W60 Line - Squirrel cage rotor - Vertical Installation, Operation and Maintenance Manual...
- Page 3 Installation, Operation and Maintenance Manual Model: W60 Document Number: 15610608 Language: English Revision: 01 August 2024...
- Page 5 Dear Customer, Thank you for purchasing a WEG motor. Our products are developed with the highest standards of quality and efficiency which ensures outstanding performance. Since electric motors play a major role in the comfort and well-being of humankind, it must be...
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Page 7: Table Of Contents
INDEX INTRODUCTION ......................11 SAFETY WARNINGS IN THE MANUAL ..................11 GENERAL INSTRUCTIONS ..................12 QUALIFIED PERSONNEL ......................12 SAFETY INSTRUCTIONS ......................12 STANDARDS ..........................12 ENVIRONMENTAL CONDITIONS ....................12 OPERATING CONDITIONS ......................13 VOLTAGE AND FREQUENCY ...................... 13 RECEIVING, HANDLING AND STORAGE ..............14 RECEIVING ............................ - Page 8 4.5.1.5 Space heater ........................25 4.5.2 Water leak sensor ..........................25 COOLING ............................25 4.6.1 Air-water heat exchange cooling ....................... 27 4.6.1.1 Radiators for application with seawater ................27 ELECTRICAL ASPECTS ....................... 27 4.7.1 Electrical connections ........................27 4.7.1.1 Main electrical connections ....................27 4.7.2 Connection diagrams ........................
- Page 9 7.9.1.1 Instructions for lubrication ....................39 7.9.1.2 Procedure for lubrication of bearings .................. 39 7.9.1.3 Type and amount of grease ....................39 7.9.1.4 Alternative greases ......................39 7.9.1.5 Procedure for changing the grease ..................40 7.9.1.6 Low temperature greases ....................40 7.9.1.7 Grease compatibility ......................
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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: Operating Conditions
2.5 OPERATING CONDITIONS In order for the product warranty to be valid, the motor must be operated according to nominal data indicated on its nameplate, observing all applicable standards and information contained in this manual. 2.6 VOLTAGE AND FREQUENCY It is very important to ensure a proper power supply for the motor. -
Page 14: 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. ATTENTION Parts supplied in additional packages must be checked upon receipt. -
Page 15: Positioning Of The Motors
3.2.1 Positioning of the motors 3.3.1 Outdoor storage Vertical motors are supplied with suspension eyebolts at The motor must be stored in a dry location, free of flooding the front and rear. and vibrations. Some motors are transported in horizontal position and Repair any damages on the package before storing the need to be moved to the original position. -
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 motor package during the storage period, as follows: A closed wooden crate or the like with an electrical ... -
Page 17: Bearings
3.3.3.5 Bearings NOTE 3.3.3.5.1 Grease-lubricated rolling bearing If the bearing has no upper sight glass, the top cover of the bearing must be disassembled to The rolling bearings are lubricated at the factory for the apply the corrosion inhibitor spray. motor tests. -
Page 18: Cleanliness And Conservation Of The Motor During Storage
3.3.3.10 Predictive / preventive maintenance WEG recommends that, every 3 years of storage, the stored motor be sent to a WEG Authorized Repair Shop or to WEG own factory, in order to perform a complete predictive maintenance. The complete predictive maintenance procedure... -
Page 19: Maintenance Plan During Storage
3.3.3.11 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 bearings and carry out lubrication. 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
In order to operate the motor in the direction opposite to the specified, consult WEG. 15610608 Installation, operation and maintenance manual – Squirrel cage motor – W60 Line – Vertical l 21... -
Page 22: Insulation Resistance
4.4 INSULATION RESISTANCE 4.4.1 Safety Instructions MΩ MΩ DANGER In order to measure the insulation resistance, the motor must be turned off and stopped. Figure 4.4: Megohmmeter connection The winding being tested must be connected to the frame and grounded until Whenever possible, each phase must be isolated and all residual electrostatic charges are tested separately. -
Page 23: Conversion Of The Measured Values
4.4.5 Conversion of the measured values 4.5 PROTECTIONS The insulation resistance measured on the windings shall Motors used in continuous duty must be protected be converted to 40°C using the correction factor provided in against overloads by means of a motor integral device, Figure 4.6 (IEEE43 standard) and applying the following or an independent protection device, which is generally a formula:... -
Page 24: Alarm And Trip Temperatures
ATTENTION The motor protection devices are listed in The motor protection devices are listed in the WEG drawing – Wiring diagram. the WEG drawing - connection diagram. Not using these devices is the sole Failure to use these devices is the full... -
Page 25: Temperature And Ohmic Resistance Of The Pt100 Thermoresistance
4.5.1.4 Temperature and ohmic resistance of the PT100 thermoresistance Table 4.6 shows the temperature as a function of the ohmic resistance measured across PT100 RTDs. Formula: Ω - 100 = °C 0.386 Table 4.6: Temperature X Resistance (Pt100) º C 100.00 100.39 100.78... - Page 26 IC611 – Machine with self-ventilated air to air heat exchanger IC01 - Open self-ventilated machine IC81W - Enclosed machine with self-ventilated air- to-water heat exchanger 26 l Installation, operation and maintenance manual – Squirrel cage motor – W60 Line – Vertical 15610608...
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Page 27: Air-Water Heat Exchange Cooling
Furthermore, the radiators may motor in the rotation direction opposite to be fitted with sacrificial anodes (e.g., zinc or the specified, consult WEG. magnesium), as shown in Figure 4.7, which are corroded during the heat exchanger operation, protecting the radiator heads. -
Page 28: Connection Diagrams
4.7.2 Connection diagrams 4.7.2.1 Wiring diagrams according to IEC60034-8 standard The following connection diagrams show the identification of the terminals in the junction box and the possible connections for the motors. 4.7.2.1.1 Stator connection diagrams 3 TERMINALS 6 TERMINALS 6 TERMINALS - DAHLANDER Δ... -
Page 29: Wiring Diagrams According To Nema Mg1 Standard
Motors with a single rotation direction, as indicated on the nameplate and on sign plate affixed to the frame, have unidirectional fan and must be operated only in the specified rotation direction. In order to invert the rotation direction of unidirectional motors, consult WEG. 4.7.2.4 Accessory connection diagrams For the correct installation of the accessories, refer to the drawing in the specific CONNECTION DIAGRAM of the motor. -
Page 30: Mechanical Aspects
NOTES machine is not within +/- 20% of running speed frequency. The customer is also responsible for lateral When WEG supplies the anchor plate for and torsional critical speed analysis of the complete fastening and aligning the motor, the installation. -
Page 31: Leveling
The first natural frequency of the base or foundation above are acceptable, provided that they do not exceed (first order natural frequency of the base) must be out the value allowed by the coupling manufacturer. It is of the range from 0.8 to 1.25 times any of the potential recommended to keep a safety margin for these values. -
Page 32: Direct Coupling
NOTES The user is responsible for the motor installation (unless otherwise specified by commercial agreement). WEG is not liable for damages to the motor, associated equipment and installation occurred because of: Transmission of excessive vibration;... -
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
11. The cables connected to the stator and rotor main motors with single direction, it is necessary terminals must be properly tightened in order to to consult WEG. prevent their short-circuit or loosening; 12. Inspect the cooling system. In water-cooled motors, 14. -
Page 35: Operation
When the customer sends the half coupling to limits; WEG, the motor is balanced with the half coupling After the bearing temperatures stabilize, check if there mounted on the shaft. Otherwise, according to the are no leaks through the plugs, gaskets or shaft end. -
Page 36: Shaft Vibration Limits
The maximum vibration levels met by WEG for 6.4 OPERATION AS running motors are given in the wiring diagram. ASYNCHRONOUS GENERATOR The main vibration causes are: Misalignment between the motor and the driven To operation as an asynchronous generator, in addition equipment;... -
Page 37: Maintenance
Every time that it becomes necessary to of the "Maintenance Plan" of this manual. If transport the motor, the shaft must be reimpregnation is necessary, consult WEG. properly locked to prevent damages to the The windings may be cleaned with an industrial vacuum bearings. -
Page 38: Reimpregnation
If any layer of resin on the windings is damaged during Sacrificial anodes cleaning or inspection, such parts must be corrected with Sacrificial anodes are used in radiators that operate with adequate material (in this case, consult WEG). seawater. The regular inspection must be carried out, 7.3.5 Insulation Resistance according to the maintenance plan. -
Page 39: Instructions For Lubrication
ATTENTION ATTENTION The injection of all the grease with the WEG does not recommend the use of any motor stopped may lead to the penetration grease other than the original motor grease. of part of the lubricant into the motor through the internal seal of the rolling Correct lubrication, i.e., applying the correct grease in... -
Page 40: Procedure For Changing The Grease
Never clean the rolling bearing with cotton- based cloths, because they may release some lint, working as solid particles. NOTE WEG is not liable for the grease change or for any damages arising from this change. 7.9.1.6 Low temperature greases Table 7.3: Grease for application at low temperatures... -
Page 41: Disassembly - Vertical Bearings
7.9.1.8 Disassembly - vertical bearings Figure 7.3: Upper bearing Figure 7.3 caption: 1. Temperature sensor 2. Grease 3. External fixing ring Figure 7.2: Lower bearing 4. Labyrinth ring 5. KMT nut Figure 7.2 caption: 6. Bearing 1. Bottom cover 7. Screw 2. -
Page 42: Bearing Assembly
The oil selected to the application must have the appropriate viscosity to the operating temperature of the The breather hose (6) should not be kinked bearing. The type of oil recommended by WEG already to avoid oil accumulation inside it. takes these criteria into account;... -
Page 43: Bearing Operation
7.9.2.4 Bearing operation Before disassembling the upper bearing: Chock the rotor on the shaft end with a hydraulic jack; The start of the system, as well as the first hours of operation, Completely drain the oil from the bearing; should be carefully monitored. -
Page 44: Bearing Installation And Operation
7.9.4.2 Bearing installation and operation ATTENTION For information on the bill of materials, assembly and The care with the lubrication will determine disassembly instructions, and maintenance details, refer to the useful life of the bearings and the safety the specific installation and operation manual of the in the motor operation. -
Page 45: Slide Bearing Maintenance
The function of the lower guide bearing is to provide radial location of the motor shaft, without stress or axial displacement limitation. NOTE If bearings manufactured by WEG are supplied, please refer to the specific manual of the bearing supplied with the motor, which contains information on assembly, disassembly and maintenance. -
Page 46: Bearing Protection
7.9.5 Bearing protection 7.9.5.1 Adjustment of the protections ATTENTION The following temperatures must be set in the bearing protection system: Alarm 110 ºC - Off 120 ºC. The alarm temperature should be set 10 ºC above the working temperature, not exceeding the 110 ºC limit. -
Page 47: Motor Disassembly And Assembly
All the repair, disassembly and assembly services must be performed only by properly qualified and trained professionals; otherwise, equipment damage and personal injury may occur. If any further explanations are necessary, consult WEG. The disassembly and assembly sequences depend on the motor model. -
Page 48: Tightening Torque
Spare parts required Table 8.1 and Table 8.2 present the tightening torques of the bolts recommended to mount the motor or its parts. WEG recommends that the following spare parts, which are required to the maintenance procedures NOTE recommended in the motor maintenance plan, be kept in... -
Page 49: 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 50: 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 51 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 52: Declaration Of Conformity
11 DECLARATION OF CONFORMITY 52 l Installation, operation and maintenance manual – Squirrel cage motor – W60 Line – Vertical 15610608... -
Page 53: 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 54: Warranty Term
There are no implied warranties of merchantability or fitness for a particular purpose that apply to this sale. No employee, agent, dealer, repair shop or other person is authorized to give any warranties on behalf of WEG nor to assume for WEG any other liability in connection with any of its products. - Page 55 +55 47 3276.4000 energia@weg.net Jaraguá do Sul - SC - Brazil Cod. 15610608 | Rev. 01 | Date (m/y): 08/2024...
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