Becker VariAir VAU 11/22.3 Operating Instructions Manual Download

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www.becker-international.com

28100241500 05/18

Operating Instructions

Frequency converters

VAU 4/4

VAU(w) 7.5/3

VAU 11-22/3

Summary of Contents for VariAir VAU 11/22.3

Page 1: ...www becker international com 28100241500 05 18 Operating Instructions Frequency converters VAU 4 4 VAU w 7 5 3 VAU 11 22 3 ...

Page 2: ...ure test in a VAU 12 1 7 6 Repairs 12 2 Frequency converter overview 13 2 1 Scope of delivery 13 2 2 Description of frequency converter VAU 14 3 Installation 14 3 1 Safety information for installation 14 3 2 Installation requirements 14 3 2 1 Suitable ambient conditions 14 3 2 2 Connection versions VAU 4 4 VAU w 7 5 3 15 3 2 3 Connection version VAU 11 22 3 17 3 2 4 Short circuit and earth leakage...

Page 3: ...ic configuration 36 4 3 1 Pressure vacuum mode 36 4 3 2 Operating mode 36 4 3 2 1 Speed controlled operation 36 4 3 2 2 Sensorless control internal control 37 4 3 2 3 Process control sensor guided PID control 37 4 3 3 Setpoint origin 37 4 3 4 Start stop origin release 37 4 4 Block diagram 38 5 Parametrisation 39 5 1 Parameter description 39 5 2 Diagnostic parameters 52 6 Error detection and remova...

Page 4: ...ns form part of the product and apply exclusively to the VAU series VARIAIR UNIT of Gebrüder BECKER GmbH Make sure to hand these instructions to the plant operator to be readily available when required Store these instructions and all other applicable documents carefully to be readily available when required 1 1 1 Warnings 4 The warnings refer to life threatening dangers Serious injuries possibly ...

Page 5: ...ided may result in minor or moder ate injury or property damage 1 1 4 Information notices Information notices contain important instructions for the installation and trouble free operation of the frequency converter They must be complied with at all times The information notices also point out that non compliance may result in property or financial damages i IMPORTANT INFORMATION The frequency con...

Page 6: ...lation in electrical systems or machinery This frequency converter has not been approved for operation in explosive areas When installed in machinery the commissioning of the frequency converters i e commencing their intended use is prohibited until it has been established that the machine meets the provi sions of the Machinery Directive applicable at the time of commissioning incl the EMC Directi...

Page 7: ...onents connected to it This chapter contains warnings and information which apply in general to the handling of frequency converters They are divided into general information transport storage and disassembly disposal Specific warnings and comments which apply to specific activities can be found at the start of the appropri ate chapters and are repeated or added to at various critical points in th...

Page 8: ...on and as sembly Transport the frequency converter properly in its original packaging Always store the frequency converter properly Only allow qualified personnel to carry out installation and assembly 1 7 3 Notes for commissioning Electrical connection Frequency converters are equipment to be used in industrial high voltage systems and are operated with voltages which can cause serious injury or ...

Page 9: ...he respective equipment instructions will provide information as to whether the equipment requires additional earthing A second protective earth conductor can be connected below the mains supply position marked with a mass symbol on the outside of the device A suitable M6x15 screw 4 0 Nm torque is provided with the adapter plate If different voltages levels are used e g 24 V 230 V crossing cable r...

Page 10: ...be equipped with additional monitoring and protection devices in accordance with the respective applicable safety regulations e g laws relating to technical operating equipment accident prevention regulations etc Unauthorised removal of the required covers improper use and incorrect installation or operation pose risk of serious injury or property damage All covers must remain closed during operat...

Page 11: ...fications of hardware and software may only be carried out by persons authorised by Gebrüder BECKER GmbH 1 7 5 1 Cleaning of frequency converters Frequency converters are maintenance free if operated as intended If the air contains dust the cooling fins of the motor and frequency converter must be cleaned regularly 1 7 5 2 Measuring the insulation resistance at the control terminals An insulation ...

Page 12: ...tion 2 mim Due to its charged capacitors the equipment might still carry dangerous voltages for up to 2 minutes after being disconnected from the mains Contact with bare or unused terminals conductors or equipment components may result in serious injury or death Therefore the equipment may only be opened or the covers or control unit removed 2 minutes after the equipment has been disconnected from...

Page 13: ...that provided below Fig 5 Scope of delivery Key 1 Frequency converter version 5 Adapter plate with connection terminal optional 2 Poly bag containing fastening bolts 6 Poly bag containing connection material for terminal block optional 3 Cable glands 7 Seal optional 4 Operating instructions 8 Motor not included in the scope of delivery ...

Page 14: ...nd operation Always earth the equipment in accordance with DIN EN 61140 VDE 0140 NEC and other relevant standards Mains connections must be permanently wired 3 2 Installation requirements 3 2 1 Suitable ambient conditions Conditions Values Altitude of the installation site up to 1000 m above MSL more than 1000 m with reduced perfor mance 1 per 100 m max 2000 m see chapter 8 2 Ambient temperature 2...

Page 15: ...on compliance may result in the loss of the protection class over time particularly in respect to seals and optical fibres If circuit boards are being removed the warranty is invalidated Mounting points and sealing surfaces must be kept free of paint for purposes of EMC and grounding 3 2 2 Connection versions VAU 4 4 VAU w 7 5 3 Fig 6 Star or delta circuit for frequency converter integrated in the...

Page 16: ...onal com 16 Connection version with 3 conductors star delta circuit already established in the motor Triangle connection variant Star connection variant Key 1 Nut MA 5Nm 3 Plain washer 2 Circlip 4 Cable lug wire end sleeve ...

Page 17: ...on type and maximum per mitted current The contractor commissioning the device must ensure protection for the mains power line 3 2 3 Connection version VAU 11 22 3 DANGER Mortal danger from to electric shock Death or serious injury Disconnect the frequency converter from the voltage supply and protect it against re activation Unused open cable ends in the motor terminal box must be insulated Conne...

Page 18: ...rol terminals all VAU series Fig 7 Control terminals all VAU series X5 X7 Terminals Plug in terminal connection with actuation lever flat head screwdriver max width 2 5 mm Connection cross sec tion 0 5 to 1 5 mm single wire AWG 20 to AWG 14 Connection cross sec tion 0 75 to 1 5 mm fine wired AWG 18 to AWG 14 Connection cross sec tion 0 5 to 1 0 mm fine wired wire end sleeves with and without plast...

Page 19: ...ing force connection flat head screwdriver max width 2 5 mm Conductor cross section rigid min 0 2 mm max 10 mm Conductor cross section flexible min 0 2 mm max 6 mm Conductor cross section flexible with wire end sleeve without plastic collar min 0 25 mm max 6 mm Conductor cross section flexible with wire end sleeve with plastic collar min 0 25 mm max 4 mm 2 conductors of identical cross sec tion fl...

Page 20: ...ction flexible with wire end sleeves with plastic collar min 1 mm max 25 mm Conductor cross section flexible with wire end sleeves with plastic collar min 1 5 mm max 25 mm Conductor cross section AWG kcmil min 20 max 2 2 conductors of identical cross section rigid min 0 5 mm max 6 mm 2 conductors of identical cross section flexible min 0 5 mm max 6 mm 2 conductors of identical cross section flexib...

Page 21: ...must feature interference suppres sion RC circuits are recommended for AC contactors For DC contactors free wheeling diodes or varistors are usually used These interference suppression devices are fitted directly to the contactor coils i IMPORTANT INFORMATION The power supply to a mechanical brake should be routed in a separate cable where possible Power connections between the frequency converter...

Page 22: ... section of 4 to 6 mm2 i IMPORTANT INFORMATION When installing the motor wires ensure that all bolts on the terminal board are fitted with the nuts provided even if the star point is not connected 4 If present wire the connection cable of the motor PTC Klixxon to the T1 and T2 terminals 1 torque 0 6 Nm Fig 11 Motor connection PTC bimetallic switch Key 1 Temperature sensor terminals 4 Adapter plate...

Page 23: ...g circuit To ensure adequate cooling the following conditions must be met Coolant flow volume 8l min Line pressure coolant 3 5 bar Temperature coolant 10 40 C Damage to property possible Risk of damage to the aluminium cooler Risk of damage from incorrect coolant e g tap water Only use coolants meeting the guidelines of WN472 by Gebrüder BECKER GmbH We recommend a mixture of 65 deionised water and...

Page 24: ...included 3 Seal 9 Extended screw option for It 4 Retaining bolts with spring elements 10 Retaining bolts with spring elements option 5 O ring seal 11 VAU support fastening bolts 6 VAU adapter plate support i IMPORTANT INFORMATION Correct sealing between the adapter plate and motor is of vital importance to comply with the protection class This is the sole responsibility of the commissioning contra...

Page 25: ...inal terminal board 8 i IMPORTANT INFORMATION The connecting cables approx 30 cm needed for the wiring of the motor terminal board VAU are not included in the scope of delivery Please ensure that the seal 3 sits perfectly 5 Screw the support 6 to the adapter plate 1 with four fastening bolts 4 incl the spring elements torque 5 0 Nm 6 Feed the four cables PE U V W through the VAUS support i IMPORTA...

Page 26: ...our bolts from the housing cover of the frequency converter and remove the cover 2 Detach the earthing cable from the housing cover in the process 3 Feed the mains supply cable through the cable gland 1 i IMPORTANT INFORMATION The cable gland provides strain relief and the PE connection cable must be connected in a leading fashion considerably longer 4 Connect the cables to the terminals as follow...

Page 27: ...erably longer 4 Connect the cables with the terminals as follows 400 V connection L1 L2 L3 PE The protective conductor must be connected to the PE contact Terminal no Designation Assignment 1 L1 Mains phase 1 2 L2 Mains phase 2 3 L3 Mains phase 3 4 PE Protective conductor Table 5 Mains connection assignment X1 Terminal no Designation Assignment 1 PE Protective conductor 2 U Motor phase 1 3 V Motor...

Page 28: ...supply GND In Mass ext voltage supply GND Ground Analogue Out 2 0V 10V analogue voltage output 2 GND Mass GND Mass GND Mass Analogue In 3 analogue input 3 Analogue In 4 analogue input 4 Table 9 Connection assignment for control connections bottom row Connection terminals of the upper row of the double row terminal block Terminal Connection 24V Out int power supply Dig In 1 Digital input 1 release ...

Page 29: ...ommon reference potential GND 24V can be picked up from the corresponding terminals The current total must not exceed 100 mA see chapter 8 technical data 3 3 7 RS485 interface The RS485 interface is of two wire design in accordance with EIA RS485 data cables A and B and enables the communication with the frequency converter The interface is networkable in accordance with the above mentioned standa...

Page 30: ... with optional BUS module BUS operation active BUS connection Fault for additional information see chapter 6 2 with optional BUS module BUS module is operational Initialisation Key LED off LED on LED flashes LED flashes rapidly Fault see chapter 6 2 Table of possible error messages read KombiTool P1011 1014 Display of manual control unit MMI 3 5 Optional accessories The optionally available manual...

Page 31: ...nces for installing the frequency converter Fig 17 For the wall mounting version the cable length between the motor and VAU must not exceed 5 m Only use a shielded cable with the required cross section A PE connection below terminal board of the wall adapter must be established 3 6 2 Mechanical installation 1 Open the motor connection box i IMPORTANT INFORMATION The cable gland provides strain rel...

Page 32: ...The frequency converter may not be installed without an adapter plate Find a position which matches the required ambient conditions described in the chapter 3 2 To achieve optimum self convection of the frequency converter ensure that the EMC gland 1 points upwards during installation If there is no additional ventilation for the VAU optional for size VAU 7 5 3 only vertical installation is permit...

Page 33: ...e contact plate 2 using the bolt 1 torque 1 2 Nm i INFORMATION After fastening the contact plate 2 ensure that it is float mounted Fig 20 Removal of the short circuit bridge Key 6 Temperature sensor terminals 8 Dummy gland 7 Bridge 6 Wire the motor cable to contacts U V W and the star point in some cases in the connection terminal as described in the chapter 3 2 2 Use cable lugs M5 for the purpose...

Page 34: ...r of the adapter dips into the opening on the floor of the heat sink 9 Attach the frequency converter 9 to the adapter plate 3 using the bolts 10 provided torque 4 0 Nm 3 6 3 Power connection The power connections are made as described in chapter 3 3 3 6 4 Brake chopper The brake connections are made as described in chapter 3 3 3 6 5 Control connections The control connections are made as describe...

Page 35: ...t is ready for operation within a few moments During this state the converter can be configured to the application requirements i e parametrised In the delivery state the converter is already parametrised for the customer specific application If necessary application specific parameter records can be obtained from the respective responsible national agency see chapter 10 Service A detailed descrip...

Page 36: ...rsonnel 4 3 1 Pressure vacuum mode For the equipment to operate correctly with the application it must be configured accordingly whether the equipment operates in pressure or vacuum mode Some equipment types can only be operated as pressure or vacuum equipment whereas in other equip ment the application depends on the equipment connection port selected In both cases it must be ensured that the con...

Page 37: ...Caution If an absolute pressure sensor is used for control in vacuum operation the corresponding meas ured value might need to be inverted for correct control behaviour When using the process controller the control parameters might need to be adjusted to the behaviour of the controlled system if the control behaviour is not satisfactory using the preset values The process controller has been desig...

Page 38: ...Boundary of the family of characteristics Ramps Speed Setpoint Internal potentiometer Analogue input1 Analogue input2 Analogue input1 Digital input1 Digital input2 Digital input3 Analogue input2 Analogue input3 Analogue input4 RS 485 RS 485 Internal potentiometer Virtual output PID fixed setpoints Field bus Field bus Autostart Fixed frequency PID actual value Start stop source Release Fig 22 Gener...

Page 39: ...ters are displayed and can be modified Level 3 Professional Pro all relevant parameters are displayed and can be modified 5 1 Parameter description The abbreviation FC will be used for the frequency converter below Parameter KT level Setting description comment 000 2 Minimum frequency 0 400 Hz The minimum frequency issued by the FC fmin fmax 001 2 Maximum frequency 5 400 Hz The maximum frequency i...

Page 40: ...rol 0 2 0 Selection of the input source from which the actual value for the PID process controller is imported 0 analogue input 1 1 analogue input 2 2 PLC internal 007 2 Main start stop origin for release 0 14 0 Selection of the source for SW release 0 digital input 1 1 digital input 2 2 digital input 3 3 PLC internal 4 analogue input 1 5 analogue input 2 6 field bus 7 serial interface RS 485 USS ...

Page 41: ...ogue input 2 0 100 0 Backlash as percentage of the final range value 025 034 2 Input type analogue input 1 analogue input 2 1 2 1 Change of the analogue input between voltage or current input 1 Voltage input 2 Current input 026 035 2 min value analogue input 1 analogue input 2 0 100 0 Defines the minimum value of the analogue input as percentage of the final range value Example 0 10V or 0 20mA 0 1...

Page 42: ...ssure 043 163 2 Minimum value analogue output 1 analogue output 2 P080 P164 10000 10000 0 Minimum value related to the selected process variable displayed at the analogue output as 0V or 4mA Example 0 10V minValueAOut maxValueAOut 050 2 Ramp selection 0 6 0 Ramp selection 0 brake ramp 1 and acceleration ramp 1 1 brake ramp 2 and acceleration ramp 2 2 selection via digital input 1 3 selection via d...

Page 43: ... voltage 4 IMotor motor current 5 fACT ACTUAL frequency 8 IGBT temperature 9 inside temperature 10 fault switches ON during fault collective fault message 11 inverted fault switches OFF during fault 13 digital IN 1 14 digital IN 2 15 digital IN 3 18 ready 19 operation switches ON if speed 0 collective operating message 50 current limit active 51 target frequency reached 52 target value cannot be r...

Page 44: ...ly documented dependent on firmware version 080 164 2 Maximum value analogue output 1 analogue output 2 10000 10 000 Maximum value related to the selected process variable displayed at the analogue output as 10V or 20mA Example 0 10V minValueAOut maxValueAOut 081 2 Start protection P007 0 8 0 Selection of the start up behaviour with SW release parameter 007 0 immediate start with high signal at st...

Page 45: ...086 2 Motor current limit value of the nominal motor current 0 250 If this limit is exceeded the speed is reduced 087 2 Motor current limit time during which overcurrent is permissible 0 100 s If this limit is exceeded the speed is reduced 094 096 2 Energizing delay relay 1 and 2 0 99 s 1 095 097 2 De energizing delay relay 1 and 2 0 99 s 1 098 0 USS SAS address 0 31 0 Device address for USS SAS b...

Page 46: ...gements possible 110 0 USS SAS baud rate RS485 interface 0 3 0 0 9600 baud 1 19200 baud 2 38400 baud 3 57600 baud 112 113 114 115 116 117 118 119 2 Process data out 3 4 5 6 7 8 9 10 0 49 Actual bus value no 3 see process value table actual values Actual bus value no 4 Actual bus value no 5 Actual bus value no 6 Actual bus value no 7 Actual bus value no 8 Actual bus value no 9 Actual bus value no 1...

Page 47: ...l input 1 increases digital input 3 reduces the setpoint 3 digital input 2 increases digital input 3 reduces the setpoint 6 analogue input 1 increases analogue input 2 reduces the setpoint 7 PLC internal 140 3 MOP response time 0 02 1000 s 0 3 Response time to permanent pressing of the motor potentiometer input sources 141 3 MOP step time P051 0 02 1000 s 0 04 Cycle time with which the setpoint is...

Page 48: ...r record 154 2 Alternative setpoint origin 0 11 0 Determines the source from which the target value is to be read 0 internal potentiometer 1 analogue input 1 2 analogue input 2 3 manual control unit MMI 4 serial interface RS 485 USS or SAS protocol 5 PLC internal 8 PID fixed value see parameters P83 P127 133 10 analogue input 3 11 analogue input 4 155 2 Alternative start stop origin for release 0 ...

Page 49: ...from BECKERfunction 158 160 2 Input type analogue input 3 analogue input 4 1 2 1 Change of the analogue inputs between voltage or current input 1 voltage input 2 current input 159 161 2 min value analogue input 3 analogue input 4 0 100 0 Specifies the minimum value of the analogue inputs 3 4 as a percentage of the range Example 0 10V or 0 20mA 0 100 2 10V or 4 20mA 20 100 Note max value 100 with 1...

Page 50: ...variable specify value in physical units mA V 0 20mA 0 10V see parameters 62 65 relay function 56 170 176 2 Limit value analogue input 4 Deactivation threshold relay 1 relay 2 0 10000 0 Deactivation threshold related to the selected process variable specify value in physical units mA V 0 20mA 0 10V see parameters 62 65 relay function 56 177 2 Pressure vacuum mode 0 1 0 Selection of pressure or vac...

Page 51: ...led 1 Ud intermediate circuit voltage 2 UN mains voltage 3 UMotor motor voltage 4 IMotor motor current 5 fACT ACTUAL frequency 8 IGBT temperature 9 inside temperature 10 fault switches during fault collective fault message 11 inverted fault switches OFF during fault 12 limit stage release 13 digital input 1 14 digital input 2 15 digital input 3 17 ready for operation 18 ready 19 operation collecti...

Page 52: ... parameters can be read via the KombiTool Parameter number Unit KombiTool name Diagnosis Description 1000 Hz f actual Actual frequency 1001 V u motor Motor voltage 1002 A i motor Motor current 1003 C hybrid temperature 1004 V ud intermediate circuit Intermediate circuit voltage 1005 Hz f target controller Target frequency of the current controller 1006 V u mains Mains voltage 1007 A id intermediat...

Page 53: ...2 Status of relay 1 and 2 Table 14 Diagnostic parameters 6 Error detection and removal DANGER Mortal danger from to electric shock Death or serious injury Disconnect the equipment from the voltage supply and protect it against re activation If damaged parts or components need replacing only replace with original parts 2 mim Danger from electric shock and electrical discharge Wait two minutes disch...

Page 54: ... 2x 3 1 32 Trip IGBT Protection of the IGBT mod ule against overcurrent has been triggered Short circuit in the motor or motor feed line controller settings 3 128 39 Overcurrent Maximum output current of the converter exceeded Insufficient cooling low mo tor speed and high torque switching frequency too high ramp times too low brake not released 3x 2 2 18 FC overtempe rature Internal temperature t...

Page 55: ... 8x 3 2 33 Intermediate cir cuit overvoltage The maximum intermedi ate circuit voltage has been exceeded Feedback by motor in gen erator mode mains voltage too high faulty setting of controller brake resistance not connected or faulty ramp times too short 3 4 34 Undervoltage of intermediate cir cuit The minimum intermediate circuit voltage has not been reached Mains voltage too low mains connectio...

Page 56: ... fault 25 System error Contact BECKER for this fault 37 System error Contact BECKER for this fault 41 System error Contact BECKER for this fault 44 System error Contact BECKER for this fault 50 System error Contact BECKER for this fault 1 512 10 Parameter dis tributor The internal distribution of parameters during initialisa tion failed Parameter set is incomplete 3 16384 46 Motor param eters Plau...

Page 57: ...o minutes discharge time of the capacitors after shut down 1 Open drive the cover of the frequency converter 2 Detach the cables at the terminals 3 Remove all cables 4 Remove connection bolts between frequency converter and adapter plate 5 Remove frequency converter 7 2 Information for correct disposal Dispose of frequency converter packaging and replaced parts in accordance with the regulations o...

Page 58: ...tion blocking protection Recommendations for LS switches 2 C 16 C20 C 63 Property C line safety switch Caution The cross section of the supply line must be designed according to the installation type and maximum permitted current The contractor commissioning the device must ensure protection for the mains power line Dimensions L x W x H mm 270 x 189 x 140 307 x 223 x 181 VAUw 307x223x155 414 x 294...

Page 59: ...oad cos φ 0 4 and L R 7 ms 2 A at 230 V or 30 V Maximum response time 7 ms 0 5 ms Service life 100 000 switching cycles Analogue output 1 current Short circuit proof Iout 0 20 mA Working resistance 500 Ohm Tolerance 2 Analogue output 1 voltage Short circuit proof Uout 0 10 V Imax 10 mA Tolerance 2 Voltage supply 24 V Auxiliary voltage U 24 V DC Short circuit proof Imax 100 mA External supply of 24...

Page 60: ...ty to handle overload and or its duration should be taken into account in the following circumstances A switching frequency permanently set too high 8 kHz load dependent A permanently increased heat sink temperature caused by a blocked air flow or a thermal blockage soiled cooling ribs Depending on the type of assembly permanently excessive ambient temperature The respective max output values can ...

Page 61: ...e input voltage Contact the Service department of Gebrüder BECKER GmbH The respective max output values can be determined from the following characteristic curves Fig 26 Derating of maximum output current as a result of installation altitude Fig 27 Derating of maximum input voltage as a result of installation altitude 8 2 3 Derating due to cycle frequency The following diagram shows the output cur...

Page 62: ...cation according to IEC EN 61800 3 The generic standard defines test procedures and severity levels for every environment in the frequency converter category which have to be complied with Definition of environment First environment residential commercial and industrial area All areas which are directly supplied by a public low voltage connection such as residential area e g houses apartments etc ...

Page 63: ...hubs fittings or closure plates UL approved in ac cordance to UL514B and CSA certified in accordance to C22 2 No 18 environmental Type 1 or higher The VAU INV MC 4 with suffix S10 is for use in Pollution Degree 2 only Internal Overload Protection Operates within 60 seconds when reaching 150 of the Motor Full Load Current Suitable for use on a circuit capable of delivering not more than 5 kA rms sy...

Page 64: ...ves are incomplete in construction and have to be attached to an external heatsink in the end use Unless operated with the heatsink as noted in item 2 of the conditions of acceptability below temperature test shall be conducted in the end use 2 Temperature test was conducted with drive installed on aluminum heatsink overall dimensions and ribs shape as outlined below 3 Suitability of grounding for...

Page 65: ...DM 35 C Gx0 INV MC 4 9 2 ADP MC WDM 20 C Gx0 INV MC 4 5 5 ADP MC WDM 55 C Gx1 INV MC 4 7 5 ADP MC WDM 50 C Gx1 INV MC 4 9 2 ADP MC WDM 50 C Gx1 INV MC 4 5 5 ADP MC WDM 50 C Gx2 INV MC 4 7 5 ADP MC WDM 45 C Gx2 INV MC 4 9 2 ADP MC WDM 45 C Gx2 INV MD 4 11 0 ADP MD WDM 55 C INV MD 4 15 0 ADP MD WDM 50 C INV MD 4 18 5 ADP MD WDM 40 C INV MD 4 22 0 ADP MD WDM 35 C INV MD 4 28 0 ADP MD WDM 10 C Tempéra...

Page 66: ... pas la détection de surtempérature Réservé exclusivement à une utilisation en environnement de pollution de degré 2 seulement pour le modèle S10 Concernant le Mx 4 utilisé au Canada LA SUPPRESSION DE TENSION TRANSITOIRE DOIT ÊTRE INS TALLÉE CÔTÉ LIGNE DE CET ÉQUIPEMENT ET AVOIR UNE VALEUR NOMINALE DE 277 V PHASE TERRE 480 V PHASE PHASE EN COMPATIBILITÉ AVEC LA CATÉGORIE DE SURTENSION III ET DOIT ...

Page 67: ...quement La protection intégrée contre les courts circuits à semi conducteur n assure pas la protection du circuit de dérivation Le circuit de dérivation doit être protégé conformément aux instructions du fabricant au code national d électricité et à tout autre code local additionnel Toutes les bornes de câblage avec repères pour les connexions correctes pour l alimentation électrique la charge et ...

Page 68: ...nlet filters used in the control cabinet must also be cleaned or replaced regularly For repairs please contact your responsible national agency SERVICE www becker international com Sales and service network If a frequency converter is sent for repair no warranty will be given for any add on components such as mains cables potentiometer external displays etc Please remove all non original parts fro...

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