GE VAT20 Instruction Manual
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GE VAT20 Instruction Manual

Ac speed control equipment
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--------------------------------- NOTICE ------------------------------------------
1.
Read this manual thoroughly before using the VAT20, and store
in a safe place for reference.
3.
When using this inverter in the EU, compliance with the EMC Directive (89/336/EEC) is
required. Check carefully Chapter 2 -Wiring section in this manual.
4.
The contents of this manual can be changed without notice
AC SPEED CONTROL EQUIPMENT
1ph 200V-240V System, 0.2-0.75kW
INSTRUCTION MANUAL
GE POWER CONTROLS
GE Power Controls
VAT20

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  • Page 1 1ph 200V-240V System, 0.2-0.75kW INSTRUCTION MANUAL --------------------------------- NOTICE ------------------------------------------ Read this manual thoroughly before using the VAT20, and store in a safe place for reference. When using this inverter in the EU, compliance with the EMC Directive (89/336/EEC) is required. Check carefully Chapter 2 -Wiring section in this manual.
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  • Page 7: Table Of Contents

    Table of Contents Foreword ................... 1 Chapter 1 Safety Precautions 1. Precautions of operation........2 2. Precautions of operation environment ....4 Chapter 2 Hardware Instruction and Installation 1. Operation Environment.......... 5 2. Model No. Instructions........... 6 3. Specifications ............7 4.

  • Page 8: Foreword

    Should you have any further query, please feel free to contact your local distributor or sales person of GE Power Controls. Our professional staves will be glad to serve whatever your need. Please continue your generous support and keep adapting products from GE Power Controls.

  • Page 9: Chapter 1 Safety Precautions

    Chapter 1. Safety Precaution 1. Precautions of operation Before turning ON power CAUTION Choose appropriate power source with correct voltage setting as the input voltage specification of the inverter. WARNING Special care must be taken while wiring the primary circuitry panel. The L1 and L2 terminal must be connected to input power source and must not be mistakenly connected to T1, T2 or T3 terminal.
  • Page 10 Under Operation WARNING Do not switch ON or OFF motor at the middle of operation. Otherwise, the inverter over-current break-down may be resulted. WARNING Do not remove the front cover of the inverter when the power is ON to avoid personnel injury caused by electrical shock.

  • Page 11: Precautions Of Operation Environment

    2. Precautions of operation environment Avoid direct sunlight Away from corrosive gas Away from oil grease or liquid and gas Avoid where rain or Avoid metal dust and Away from salty dripping water may get dusty environment environment into the inverter Avoid where environment Avoid massive vibration Avoid heat...

  • Page 12: Chapter 2 Hardware Instruction And Installation

    Installation of the inverter must place the front side of inverter facing front and the top of inverter towards up direction for better heat dissipation. Installation rooming must be compliant to following requirement. NOTE: Please tear off shield sticker of VAT20 for max temperature iside the enclosure of 50ºC...

  • Page 13: Model No. Instructions

    2. Model No. Instructions Inverter Model MODEL: U20N0K7S (for example) Input Power Rating I/P: AC 1PH 200 ~ 240V 50/60 Hz Output Rating O/P: AC 3PH 0 ~ 240V 1.6KVA 4.2A Series Power KW Power Option Voltage Rated N:200V 0K2: 0.2kW S: Standard Single 0K4: 0.4kW...

  • Page 14: Specifications

    DC voltage > 410V Protection Under voltage DC voltage < 200V function Momentary power-loss 0 ~ 2 sec : VAT20 can be restart by speed search Stall Prevention Accelerate / Decelerate / Constant speed Output terminal short-circuit Electronic circuitry protection Protection...

  • Page 15: Wiring

    3. Wiring Molded-Case Circuit Breaker / Magnetic Contact GE Power Controls maintenance and service do not apply to damage caused by following situation: (1) Damage to the inverter caused by the lack of appropriate molded-case circuit breaker or a circuit breaker with too-large capacity is installed in between the power supply and the inverter.
  • Page 16 The Magnetic Contact can be omitted at ordinary operation. To utilize external control, automatic restart, or breaking controller the magnetic contact must be added at the primary side. Do not operate the magnetic contact to switch ON or OFF the VAT20 inverter. Inverter Power improvement AC Reactor:...
  • Page 17 External wiring should be carried out in accordance with following requirement. Check and reassure the wiring is correct after the wiring is complete. (Do not utilize the control circuitry buzzer to check the wiring.) EMI connecting: It is very important that the connections between the frequency inverter with the screened motor cable and the EMI filter during the EMI tests are as following.
  • Page 18 Class A, Industrial Environment When the distance between the inverter and motor is longer than 100m, connection wire should be carefully chosen to reduce the wiring resistance below 3% and the voltage drop (V) = 3 x Wire resistance (Ω/km) x wire length (m) x current x 10 (B) Control circuitry wiring must be separated and away from the primary circuitry control line and other high-voltage or large-current power lines to avoid noise interference.
  • Page 19 (E) Upon completion, check out to reassure the wiring correctness, broken wires, and secure terminal screws. VAT20 Wiring Diagram Ω Terminations to Inverter must be made with either listed field wiring lug kits or listed crimp...
  • Page 20 * Use copper conductors only size field wiring based on 75 degrees C wire only. * Wire voltage rating must be a minimum of 300V * Electric ratings of the termination (TM1) as 300V 15A VAT20 control circuitry terminal block ( TM2 ) description Terminal symbol Terminal function description...

  • Page 21: Dimensions & Terminal Block Layout

                  SWITCH 1 External signal type 0~20mA analog signal ( When Fn11 set to 1 ) 4~20mA analog signal ( When Fn11 set to 2 ) 0~10 VDC analog signal ( When Fn11 set to 1 ) Dimensions and terminal block layout Unit...
  • Page 22                                       M 4x14L Inverter with class B filter (U20AF0K7) mounted. Inverter with class B filter (U20AF0K7) &...
  • Page 23   " " Step1- Aim and insert the 4 retention ribs of U20AR0K7 at the 4 holes in rear panel of VAT20 . Step1- Use small screw Step2- driver inserting Inserting hole Push the the middle rib of...
  • Page 24 % $  % $            Mounting clamp and 35mm width rail must be used to install VAT20 on the rail. Install VAT20 Dismounting VAT20 Pul l m ount i ng pl at e...

  • Page 25: Chapter 3 Software Index

    Chapter 3. Software Index 1. Control Panel Instructions POWER LED DATA RESET   CAUTION Do not operate keypad by screwdriver or other sharp-ended tool to avoid damaging keypad. Brief keypad operation flowchart (FREQ) (FREQ) (READ) DATA (WRITE) AFTER 0.5 SEC DATA *1 Displayed setting frequency when stopped.

  • Page 26: List Of Parameters

    2. List of Parameters Unit Range Factory Function Function Description Note setting Factory Adjustment Accelerate time 0.1SEC 0.1 ~ 999 S *1*3 Accelerate / Decelerate Time Decelerate time 0.1SEC 0.1 ~ 999 S *1*3 0: Forward / Stop, Reverse / Stop 0 ~ 1 Operation mode 1:Run/Stop, Forward / Reverse...

  • Page 27: Parameter Function Description

    3. Parameter function description                                                       ...
  • Page 28 ( (   )   )                      * " * "       '  '  Although there is no Forward/Reverse push button on the digital control panel, it is possible to adjust forward/reverse function by changing Fn_04 setting.
  • Page 29 - -   * .  * .                  / / 0 0 1 1   * . * .  "  "              / / 0 0 Fn_06 (freq.
  • Page 30      .    .            .  .                 4 4 5  5         .  .              ...
  • Page 31 ( $  ( $                     *   *         +  + 3 3 4 < 4 <           ++ ++  -  - 3 3 4 <...
  • Page 32 RUN switch OFF and then ON again.(Fn_10 =1) Or, push the RUN key (Fn_10=0). The inverter will then resume operation and restart. If the emergency stop signal is removed before VAT20 stops, VAT20 will still execute emergency stop. 4. Fn_19, Fn_20 =4: External Base Block ( immediate shut off ) When the external base block signal is activated, the inverter output will be immediately shut off (ignoring setting in Fn_14) and flash b.b.
  • Page 33 & &  '  '                   & & =,  =,    4 4       & & = = ,  ,       4 4  ...
  • Page 34 + +        *  *        3  3           0 0     +    +  / / 0 0           3 ...

  • Page 35: Malfunction Indication And Countermeasure

    4. Malfunction Indication and Countermeasure 4.1 Manual reset inoperative faults INDICATION CONTENT POSSIBLE CAUSE COUNTERMEASURE Program error Outside noise interference Place a RC surge absorber in parallel with noise generating magnetic contact EEPROM error EEPROM defective Replace EEPROM Voltage too 1.Power source voltage too 1.Examining the power supply high while not...
  • Page 36 4-3 Manual Reset and Auto-Reset Operative faults INDICATION CONTENT POSSIBLE CAUSE COUNTERMEASURE Transient over- 1.Motor coil short-circuit with 1.Examining motor current starting external casing 2.Examining wiring machine 2.Motor connection wire 3.Replace transistor module short-circuit with grounding 3.Transistor module damaged Over-current at 1.Acceleration time setting 1.Adjust acceleration time to acceleration...
  • Page 37 4-4 Other indications INDICATION CONTENT DESCRIPTION Zero Speed When Fn_11 = 0, Fn_7= 0 and frequency setting < 1 Hz Stopping When Fn_11 = 1, Fn_7<(Fn_6/100), and frequency setting <(Fn_6/100) Keypad The inverter setup to external operation (Fn_10=1). If the emergency STOP key in the keypad is pressed at the middle of operation, stop...

  • Page 38: General Troubleshooting Method

    5. General Troubleshooting Method ABNORMALITY CHECK POINT COUNTERMEASURE  Check if the power source switched on. Is power source voltage delivered into L1, L2 terminal (is the charging indicator  Turn power source OFF and then ON illuminated)? again.  Reconfirm the power voltage level.  Check to see if the mounting screw secured.
  • Page 39 Simple VAT20 Troubleshooting Procedure V AT20 INV M alfunction Clearly defined m alfunction YE S YE S E xam ining com ponent with S ign of burn A ny sign of burnt sign of burnt or breakage or breakage of breakage?
  • Page 40 ( Continued ) Examining Inverter parameters Carry out parameter initialization Designate operation control method Frequency instruction setting Does the controller displays Replace control board frequency setting? Is there voltage output on Replace control board UVW terminals? No, The problem Is replacing is not corrected Connect to motor and control board correct...
  • Page 41 Error handling of malfunction indication of OC.OL When inverter display malfunction indication OC.OL. Is the primary ABNORMAL Replace I.G.B.T. circuit I.G.B.T. normal? NORMAL Is the appearance Replace defective PCB normal? Switch ON power supply Is there any malfunction indication Is the current ABNORMAL Input operation detector normal?
  • Page 42 Error handling of malfunction indication of OV.LV Inverter display OV.LV Is there any abnormal breakage Replace defective board on appearance Switch ON power supply Is there any Replace control board malfunction indication Input operation instruction Input frequency instruction Is the output Replace control board frequency of controller displayed...
  • Page 43 ABNORMAL abnormality L1-L2 power input terminals normal? • Poor wiring Normal (within +/- 10% of nominal value) VAT20 malfunction Is Power LED off ? Place the operation Is the operation switch to RUN switch on the RUN position. position?
  • Page 44 (2). Motor over-heat Reduce loading there over-loading Enlarge VAT20 and condition or the load current exceeds rated Motor capacity current? Operate at low Select another motor speed for a long time? Is the voltage level between VAT20 malfunction T1-T2, T2-T3, and T3-T1...
  • Page 45 Routine examination and periodical examination Inverter requires routine and periodical examination and maintenance for a more stable and safer operation. Refer to following table for required examination item for a more stable and safer operation. Carry out examination after the “ Power LED ” indicator goes off for 5 minutes to prevent the maintenance personnel injury caused by the remaining charges in the capacitor of inverter.

  • Page 46: Chapter 4 Maintenance And Peripherals

    (a) Remove all conducting wires between VAT20 and outside world. Power must be turned OFF. (b) The dielectric strength test inside VAT20 should be carried out only for VAT20 major circuitry. Use DC 500V: high resistance meter. Measured resistance should be higher than 100M ohm.
  • Page 47 Calculate power factor by the input voltage, input current and input power Output voltage Rectifier (Moving- Maximum voltage difference iron not allowed) between wires under 3% Output Current Moving-iron Under VAT20 rated current NOTE Measurement Measuring point Instrument (Measurement criterion) Output power Power-meter...
  • Page 48 Input AC Reactor Specification Input AC Reactor Model Current value ( A ) Inductance ( m H ) U20N0K2S U20N0K4S U20N0K7S U20N1K7S U20N2K2S EMI Filter (class B) Specification Model Dimension(mm) Current(A) Inverter model U20AF0K7 156X76X25 U20N0K2S U20N0K4S U20N0K7S DIN RAIL Specification Model Dimension Inverter model...

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