Table of Contents
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Installation, operating and
maintenance instructions
Transnorm motors with squirrel-cage rotor
Low-voltage (up to 1.000 V)
High-voltage (up to 11.000 V)
Size 315 ... 450
Translation
W41./W42./ A41./A42.
W52.
Motors that comply with the Regulation 2005/32/EC
and the order No. 640/2009 receive the marking
IEx before the type designation, whereas x= 2,3
(acc. to EN 60034-30)
(Example IE3-W42R 355 M 2)
Edition 12.2014
Ident.-no. 83627 01
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Table of Contents
Troubleshooting
Related Manuals for VEM W41 Series
Summary of Contents for VEM W41 Series
- Page 1 Installation, operating and maintenance instructions Transnorm motors with squirrel-cage rotor Low-voltage (up to 1.000 V) High-voltage (up to 11.000 V) Size 315 … 450 Translation W41./W42./ A41./A42. W52. Motors that comply with the Regulation 2005/32/EC and the order No. 640/2009 receive the marking IEx before the type designation, whereas x= 2,3 (acc.
- Page 2 Offenders will be liable for damages. All rights, including rights created by patent grant or regis- tration of a utility model, are reserved. © VEM motors GmbH 2013 All rights reserved This manual is subject to changes. VEM motors GmbH-2013...
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Page 3: Table Of Contents
20.2 Design of terminal box for high-voltage applications Overview of spare parts Trouble shooting 22.1 Electrical Faults 22.2 Mechanical Faults EC declaration of conformity for low voltage motors and generators Declaration of incorporation of partly completed machinery VEM motors GmbH-2013... -
Page 4: General
A claim of warranty is excluded in case the operation conditions of the motor were changed, the design of the mo- tor was modified or repair work was done without prior written agreement from the production site of VEM that has manufactured the motor. -
Page 5: General Description
For motors with lubrication device the amount of grease for each lubrication and the lubrication periods are also listed on the name plate or on an additional plate. The name plates are fixed on the housing by grooved drive studs. They can be made in aluminium or stainless steel. VEM motors GmbH-2013... -
Page 6: Efficiency
2*) °C Type of construction Month/year of construction Type of grease Bearing DE Amount of grease DE Bearing NE Amount of grease NE Lubrication interval *) when coolant temperature is 40°C, no indication on the name plate VEM motors GmbH-2013... - Page 7 / coolant temperature 2*) °C Standard and individual approval stamp Type of grease Bearing DE Amount of grease DE Bearing NE Amount of grease NE Lubrication interval *) when coolant temperature is 40°C, no indication on the name plate VEM motors GmbH-2013...
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Page 8: Degree Of Protection
The minimum distance of air inlet of the fan cover against any obstacles (dimension BI) has to be observed under all circumstances. Size Bl [mm] Figure 3: Minimum distance for air inlet VEM motors GmbH-2013... -
Page 9: Removal Of The Transport Safety Device
The motor is conserve by the manufacturer. The conservation of machine parts must only be removed when the installation starts at the installation site. The deconservation is done by using commercial solvents (i.e. benzine or cleaning solvents). VEM motors GmbH-2013... -
Page 10: Completion Of Motor
The motor is removed. In the marked places core holes must be drilled in the steel foundation suitable for the hexagonal head screws (12). The holes must then be threaded. Chips from threading must be removed. VEM motors GmbH-2013... -
Page 11: Concrete Foundations
If necessary the above listed steps must be repeated. The bores of the foundation blocks must be wetted and if necessary excess water must be removed. VEM motors GmbH-2013... -
Page 12: Concrete Foundation With Base Plate Or Base Frame / With Stone Bolts
(5). Depending on the type of concrete the hardening of the cast concrete can take up to one week. During hardening the motor should remain placed on the foundation. VEM motors GmbH-2013... -
Page 13: Concrete Foundation With Base Plate Or Base Frame / With Anchor Bolts
(5). Depending on the type of concrete the hardening of the cast concrete can take up to one week. During hardening the motor should remain placed on the foundation. VEM motors GmbH-2013... -
Page 14: Concrete Foundation With Base Plate Or Base Frame / With T-Head Bolts
With a water level the horizontal alignment in longitudinal and transversal direction is checked. If necessary the above listed steps must be repeated. The block-outs in the raw foundation must be wetted and if necessary excess water must be removed. VEM motors GmbH-2013... -
Page 15: Fastening, Exact Alignment
Motors with grey-cast feet have 0.2 mm relief cuts in the contact surfaces. These relief cuts are used for realising defined clamping. Therefore the rest of motor feet on the foundation must only be checked for all surfaces outside of the relief cuts during assembly. Foot of the motor Check of shims VEM motors GmbH-2013... - Page 16 The measured values must be recorded. Bolting of the motor Taper pins EN 28736 Washer, reinforced Hexagonal head screw ISO 4017 The bolting of the motor is recommended to assist the alignment process during a possible reinstallation of this motor. VEM motors GmbH-2013...
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Page 17: Insulation Check
The terminal box must be free of pollution, humidity and foreign particles. The terminal box itself, the cable glands and unused cable entries must be closed protected against dust and water. Take extra care when connecting the VEM motors GmbH-2013... -
Page 18: Electric Connection For High-Voltage (2.2 Kv Up To 11 Kv)
Dahlander winding two line conductors must be changed at the supply to the motor switch. A motor with only one shaft end or two shaft ends with different diameters the direction of rotation is that one seen from the front end of the only shaft end or the bigger shaft end. VEM motors GmbH-2013... -
Page 19: Commissioning
Existing copper sealing washers must always be refitted. Careful and regular maintenance, inspections and revisions are necessary to detect and clear faults in time, before consequential damages will happen. As individual operating conditions cannot be defined for all applications the VEM motors GmbH-2013... -
Page 20: Initial Inspection
12.3 Bearings and Lubrication The anti-friction bearings of the motors in standard design are filled with anti-friction bearing grease in the factory (or with sealed bearings by the bearing manufacturer) according to DIN 51825 in compliance with the table below: VEM motors GmbH-2013... - Page 21 -25 up to 260 Customer request Only after consultation with design department of VEM Under normal load and climatic conditions, the quality of grease guarantees an operation of the motor for approx. 10,000 service hours with two pole design and 20,000 service hours with multipole design. If not otherwise agreed the grease of anti-friction bearing must never be refilled during this period.
- Page 22 S,M 4, MX2 MY,L,LX2 MX4, 6, 8 MY,L,LX4, 6, 8 4, 6, 8 400, 450 4, 6, 8 The necessary lubrication periods for roller bearings differ from the inspection periods and must be ob- served separately! VEM motors GmbH-2013...
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Page 23: Condensate Drain
With motors that are fitted with thermal winding protection, care must be taken that when the thermal winding protection responds and after the cooling down of the motor, no hazards can occur due to spuri- ous automatic reconnection. VEM motors GmbH-2013... -
Page 24: Anti-Condensation Heating
Section 21 of these Operating & Maintenance Instructions. Maintenance carried out appropriately (provided it is as described in Section “Maintenance”) does not constitute a breach of warranty provisions. The contractual warranty liability on the part of the manufacturer is not prejudiced by this. VEM motors GmbH-2013... -
Page 25: Terminal Board Connections / Connection Diagrams
Terminal board connection as above 1 set of PTC thermistors (TPM) in the winding 2 sets of PTC thermistors (TPM) in the winding The connection of PTC thermistors is done according to the connection diagram of the tripping device. VEM motors GmbH-2013... -
Page 26: Design Of Terminal Box
Figure 1 Terminal box KK 400B Figure 2 Terminal box KK 630 A, Connection with cable lugs Figure 3 Terminal box KK 630 A Figure 4 Terminal box KK 630 A Connection without cable lugs Connection without cable lugs VEM motors GmbH-2013... - Page 27 Installation, Operating and Maintenance Instructions (Translation) English Standard- and Ex-design (Illustration without terminal links, position of terminal links see chapter connection diagrams) Figure 5 Terminal box KK 1000 A Connection with cable lugs VEM motors GmbH-2013...
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Page 28: Design Of Terminal Box For High-Voltage Applications
Installation, Operating and Maintenance Instructions (Translation) English 20.2 Design of terminal box for high-voltage applications Figure 6 Terminal box rated voltage 6 kV Figure 7 Terminal box rated voltage 10 kV VEM motors GmbH-2013... -
Page 29: Overview Of Spare Parts
Terminal box base gasket 5.05 Klemmenplatten mit Aufbau Terminal plate 5.06 Zwischenflansch mit Dichtung Adapter flange with gasket Klemmenkasten Motortyp W52. Terminal box for typ W52. 6.01 Klemmenkasten, komplett Terminal box, complete 6.02 Zwischenstück Adapter 7.01 Transponder Transponder VEM motors GmbH-2013... - Page 30 Installation, Operating and Maintenance Instructions (Translation) English Three phase asynchronous motor / basic version W41./W42. 315 – 450, W52. 400 - 450 (example, delivered version may differ in details) VEM motors GmbH-2013...
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Page 31: Trouble Shooting
Phase-to-phase short circuit check the winding and the insulation resistance, repair in authorized service workshop Interruption in the squirrel cage winding repair in authorized service workshop VEM motors GmbH-2013... -
Page 32: Mechanical Faults
Belt tension too high Adjust the belt tension according to instructions Bearing not aligned or stressed Check the bearing bore, consult the manufacturer VEM motors GmbH-2013... -
Page 33: Ec Declaration Of Conformity For Low Voltage Motors And Generators
Installation, Operating and Maintenance Instructions (Translation) English 23. EC declaration of conformity for low voltage motors and generators VEM motors GmbH-2013... -
Page 34: Declaration Of Incorporation Of Partly Completed Machinery
Maschinenrichtlinie 2006/42/EG, Anhang II Teil 1B DECLARATION OF INCORPORATION OF PARTLY COMPLETED MACHINERY acc. to Machinery Directive 2006/42/EG, Annex II Part 1B Hiermit erklärt der Hersteller: The manufacturer hereby declares: VEM motors GmbH Carl-Friedrich-Gauß-Strasse 1 38855 Wernigerode Germany der unvollständigen Maschine:... - Page 35 Installation, Operating and Maintenance Instructions (Translation) English VEM motors GmbH Carl-Friedrich-Gauß-Straße 1 D-38855 Wernigerode fon: +49-(0)39 43-68-0 fax: +49-(0)39 43-68-21 20 email: motors@vem-group.com web: www.vem-group.com VEM motors GmbH-2013...
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