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Motor Controllers AC Variable Frequency Drives 

 

 

                                                       

Type Variflex

3

 RVFF

 

 

 

 

 

 

Specifications are subjected to change without notice.                                             

 

 

                                     

          

92

 

5.8 Routine and periodic inspection 

To ensure stable and safe operations, check and maintain the inverter at regular intervals. Use the checklist 
below  to  carry  out  inspection.  Disconnect  power  after approximately  5 minutes  to make  sure  no  voltage is 
present on the output terminals before any inspection or maintenance.  

 

Items

 

Details

 

Checking 

period 

Methods

 

Criteria

 

Remedies

 

Daily  1Year 

Environment & Ground connection

 

Ambient 
conditions at 
the 
installation

 

Confirm the temperature 
and humidity at the 
machine 

◎

 

 

 

Measure 
with 
thermometer 
and 
hygrometer  

Temperature: 
 -10 ~40°C/50°C 
(14~104°F)/(122°F) 

Humidity: Below 
95%RH

 

Improve the 

ambient or 
relocate the 
drive to a 
better area. 

Installation 
Grounding

 

Is the grounding 
resistance correct? 

 

 

◎

 

Measure the 
resistance 
with a multi-
tester 

200Vclass: below 
100Ω 

Improve the 
grounding if 
needed. 

Terminals & Wiring

 

Connection 
terminals 

Any loose parts or 
terminals? 

 

 

◎

 

Visual check 
Check with 
a 
screwdriver 

Correct installation 
requirement 

Secure 
terminals 
and remove 
rust 

Any damage to the 
base? 

 

 

◎

 

Any corroded 
Terminals? 

 

 

◎

 

Wiring 

Any broken wires? 

 

 

◎

 

Visual check 

Correct wiring 
requirement 

Rectify as 
necessary 

Any damage to the wire 
insulation? 

 

 

◎

 

Voltage

 

Input power 
voltage 

Is the voltage of the 
main circuit correct? 

◎

 

 

 

Measure the 
voltage with 
a multi-
tester 

Voltage must 
conform with the 
spec. 

Improve 
input 
voltage if 
necessary. 

Circuit boards and components

 

Printed 
circuit board 

Any contamination or 
damage to printed circuit 
board?          

 

 

◎

 

Visual check 

Correct component 
condition 

Clean or 
replace the 
circuit board 

Power 
component 

Any dust or debris 

 

 

◎

 

Clean 

components 

Check resistance 
between terminals 

 

 

◎

 

Measure 
with a multi-
tester 

No short circuit or 
broken circuit in 
three phase output 

Consult 
with the 
supplier 

Cooling System

 

Cooling fan 

Unusual vibration and 
noise?                                                                

 

◎

 

Visual and 
sound check 

Correct cooling 

Consult 
with the 
supplier 

Excessive dust or debris  

◎

 

 

Visual check 

Clean the 

fan 

Heat sink 

Excessive dust or debris 

◎

 

 

Clean up 
debris or 
dust 

Ventilation 
Path

 

Is the ventilation path 
blocked? 

◎

 

 

Clear the 

path 

Содержание VariFlex3 RVFFA3400400F

Страница 1: ...Quick Start Guide Motor Controllers AC Variable Frequency Drives Type VariFlex3 RVFF...

Страница 2: ...or control circuit 10 3 2 Considerations for peripheral equipment 11 3 3 Specifications 12 3 3 1 Product Specifications 12 3 4 General Wiring Diagram 14 3 5 Terminal Description 15 3 5 1 Main Circuit...

Страница 3: ...notice The latest edition of these documents can be downloaded for use from our website at http www productselection net Available documentation 1 RVFF Quick setup guide 2 RVFF Instruction manual Rea...

Страница 4: ...apply corrective measures Over temperature protection function on motor is disabled Caution To avoid the front cover from disengaging or other physical damage do not carry the inverter by its cover S...

Страница 5: ...nes to come in contact with the inverter case Do not perform a dielectric voltage withstand test megger on the inverter or this will result in inverter damage to the semiconductor components Caution T...

Страница 6: ...operate switches with wet hands otherwise electric shock may result Do not touch inverter terminals when energized even if inverter has stopped otherwise electric shock may result 1 4 Parameter Settin...

Страница 7: ...is safe to operate the inverter and motor before performing a rotational auto tune Do not touch inverter terminals when energized even if inverter has stopped otherwise electric shock may result Do n...

Страница 8: ...metal jewellery such as watches and rings and use insulated tools Caution The Inverter can be used in an environment with a temperature range from 14 to 104 F 10 to 40 C and relative humidity of 95 n...

Страница 9: ...following 1 The RVFF inverter and the quick setting guide are contained in the package 2 The RVFF inverter has not been damaged during transportation there should be no dents or parts missing 3 The RV...

Страница 10: ...wer kW Filter with without Three phase 380 480VAC 10 to 15 50 60Hz RVFFA3400400F 5 3 7 RVFFA3400550F 7 5 5 5 RVFFA3400750F 10 7 5 RVFFB3401100F 15 11 RVFFB3401500F 20 15 RVFFC3401850F 25 18 5 RVFFC340...

Страница 11: ...ny phase sequence to power input terminals R L1 S L2 or T L3 on the terminal block 2 DO NOT connect the AC input power source to the output terminals U T1 V T2 and W T3 3 Connect the output terminals...

Страница 12: ...power failure or when using a brake controller install a magnetic contactor Do not use the magnetic contactor as the run stop switch for the inverter AC line reactor for power quality When inverters...

Страница 13: ...frequency for each control mode Control mode Other settings Maximum output frequency V F Unlimited 400Hz SLV 400V 5 20HP 150Hz 400V 25HP 110Hz 400V 30 40HP 100Hz 400V 50 215HP carrier 11 01 is set as...

Страница 14: ...ention Current level can be setting It can be set separately in acceleration or constant speed it can be set with or without protection in deceleration Instantaneous Over Current OC and Output Short C...

Страница 15: ...es control circuit Multi function input Sink NPN Default setting Power terminal of digital signal PNP Common terminal of digital signal NPN Connection terminal of shielding wire Power for analog input...

Страница 16: ...ption 3 5 1 Main Circuit Terminals Terminal 400V 5 40HP 400V 50 215HP R L1 Input power supply S L2 T L3 B1 P B1 P DC power supply B1 P B2 external braking resistor B2 DC power supply or connect brakin...

Страница 17: ...ons are subjected to change without notice 16 400V 25 40HP Terminal screw size T M6 M6 400V 50 75HP Terminal screw size T M8 M8 400V 100 125HP Terminal screw size Power supply T 400V 100HP M8 M10 200V...

Страница 18: ...D Analog signal ground terminal E Shielding wire s connecting terminal Ground Analog output signal AO1 Multi function analog output terminals 0 10V 4 20mA output From 0 to 10V Max current 2mA From 4 t...

Страница 19: ...400V 100HP 215HP S S S1 S3 S5 AI2 E 24VG S2 S4 S6 F1 F2 PO PI 24V 10V MT GND GND AI1 AO2 E R1A R1B R1C R2A R2C R3A R3C AO1 Caution Maximum output current capacity for terminal 10V is 20mA Multi functi...

Страница 20: ...0V 5 10HP Inverter Model Dimensions in mm inch W H D W1 H1 H2 t d NW in kg lbs RVFFA3400400F 140 5 51 385 15 16 177 6 97 122 4 80 267 10 51 279 10 98 7 0 28 M6 5 5 12 13 RVFFA3400550F 140 5 51 385 15...

Страница 21: ...0 215 8 46 192 7 56 286 11 26 300 11 81 1 6 0 06 M6 8 0 17 64 RVFFB3401500F 210 8 27 416 5 16 40 215 8 46 192 7 56 286 11 26 300 11 81 1 6 0 06 M6 8 0 17 64 RVFFC3401850F 265 10 43 500 19 69 225 8 86...

Страница 22: ...r Model Dimensions in mm inch W H D W1 H1 H2 t d NW in kg lbs RVFFD3403700F 284 11 18 679 26 73 252 9 92 220 8 66 505 19 88 525 20 67 1 6 0 06 M8 32 5 71 65 RVFFD3404500F 284 11 18 679 26 73 252 9 92...

Страница 23: ...3 72 740 29 13 300 11 81 250 9 84 560 22 05 1 6 0 06 M10 44 97 00 RVFFE3409000 348 5 13 72 740 29 13 300 11 81 250 9 84 560 22 05 1 6 0 06 M10 44 97 00 RVFFF34011000 463 5 18 25 1105 43 50 324 5 12 78...

Страница 24: ...d direction flashing when stopping REV LED On when inverter is running in reverse direction flashing when stopping SEQ LED ON when RUN command is from the external control terminals or from serial com...

Страница 25: ...ontrolled by operator It displays REMOTE Mode at power up Users can switch between LOCAL and REMOTE Mode if they press LOC REM keys when the inverter stops Parameter of 23 41 can determine if LOC REM...

Страница 26: ...arameters Group 11 Auxiliary Parameters Group 12 Monitoring Parameters Group 13 Maintenance Parameters Group 14 PLC Setting Parameters Group 15 PLC Monitoring Parameters Group 16 Reserved Group 17 IM...

Страница 27: ...mmand source selection 0 Keypad 1 O O O 6 1 External control Analogue 2 Terminal command UP DOWN 3 Communication control RS 485 4 Reserved 5 PID given 6 Reserved 7 AI2 AUX Freq Ref 00 06 Alternative f...

Страница 28: ...O O O 1 00 24 Deceleration time 4 0 1 6000 0 10 0 s O O O 1 00 25 Switch frequency of acc dec 0 0 400 0 0 0 Hz O O O 00 26 Emergency stop time 0 1 6000 0 5 0 s O O O 00 27 Reserved 00 28 Master freque...

Страница 29: ...tribute V F SLV PM SLV 02 00 No Load current 0 01 600 00 2 49 A O X X 02 01 Rated current 25 200 of inverter s rated current 6 8 A O O X 6 02 02 Reserved 02 03 Rated rotation speed 0 60000 1745 Rpm O...

Страница 30: ...Acceleration deceleration setting command 1 O O O 11 Inhibit acceleration deceleration command O O O 12 Main Alternative run command switching O O O 13 Main Alternative frequency command switching O...

Страница 31: ...O O 57 Forced frequency operation O O O 58 Safety function O O O 63 Switch to tolerance range of constant pressure 2 O O O 7 65 Short circuit braking X X O 7 68 Ext fault 2 O O O 7 69 Ext overload O...

Страница 32: ...59 Over Temperature Detection O O O 4 Frequency detection 1 03 13 O O O 5 Frequency detection 2 03 13 O O O 6 Automatic restart O O O 7 8 Reserved 9 Baseblock O O O 10 11 Reserved 12 Over torque detec...

Страница 33: ...frequency UP DOWN when stopping 3 Hold UP DOWN freq using UP DOWN when acceleration 03 28 03 29 Reserved 03 30 Pulse input selection 0 Normal mode 0 O O O 1 PWM mode 03 31 Scale of pulse input 50 320...

Страница 34: ...0 03 s O O O 04 02 AI1 Gain 0 0 1000 0 100 0 O O O 1 04 03 AI1 Bias 100 0 100 0 0 O O O 1 04 04 Negative AI 0 Disable 0 O O O 7 1 Enable 04 05 AI2 Function setting 0 Auxiliary frequency 0 O O O 1 Freq...

Страница 35: ...X O 16 Reserved 17 Voltage Ref Vq X O O 18 Voltage Ref Vd X O O 19 20 Reserved 21 PID input O O O 22 PID output O O O 23 PID setpoint O O O 24 PID feedback O O O 25 Output frequency SFS O O O 26 PG fe...

Страница 36: ...Frequency setting of Speed Stage 6 0 00 400 00 50 00 Hz O O O 05 08 Frequency setting of Speed Stage 7 0 00 400 00 50 00 Hz O O O 05 09 Frequency setting of Speed Stage 8 0 00 400 00 5 00 Hz O O O 05...

Страница 37: ...lti speed 6 0 1 6000 0 10 0 s O O O 05 31 Acceleration time setting of multi speed 7 0 1 6000 0 10 0 s O O O 05 32 Deceleration time setting of multi speed 7 0 1 6000 0 10 0 s O O O 05 33 Acceleration...

Страница 38: ...0 Disable 0 O O X 1 Single cycle operation Restart based on the previous stopped speed 2 Continuous cycle operation Restart based on the previous stopped speed 3 The on going operation based on the s...

Страница 39: ...d stage 15 0 00 400 00 5 00 Hz O O O 1 06 16 Operation time setting of speed stage 0 0 0 6000 0 0 0 s O O X 1 06 17 Operation time setting of speed stage 1 0 0 6000 0 0 0 s O O X 1 06 18 Operation tim...

Страница 40: ...lection of speed stage 6 0 Stop 1 Forward 2 Reverse 0 O O X 06 39 Operation direction selection of speed stage 7 0 Stop 1 Forward 2 Reverse 0 O O X 06 40 Operation direction selection of speed stage 8...

Страница 41: ...380 V O O O 07 14 Pre excitation time 0 00 10 00 2 00 s X O X 07 15 Pre excitation level 50 200 100 X O X 6 07 16 DC Injection braking time at start 0 00 100 00 0 00 s O O O 07 17 Reserved 07 18 Minim...

Страница 42: ...07 43 Short circuit Braking Time of PM Motor Speed Search 0 00 100 00 0 00 Sec X X O 7 07 44 DC Braking Time of PM Motor Speed Search 0 00 100 00 0 00 Sec X X O 7 07 45 STP2 Function Selection 0 STP2...

Страница 43: ...Coast to stop when over torque is detected 08 15 Level of over torque detection 0 300 150 O O O 08 16 Time of over torque detection 0 0 10 0 0 1 S O O O 08 17 Selection of low torque detection 0 Disa...

Страница 44: ...8 Fire Mode Selection 0 Disable 1 Enable 0 O O O 7 08 49 Fire Mode Digital Input Type 0 Power Loss Reset 1 Terminal Removal Reset 0 O O O 7 08 50 Fire Mode Digital Terminal Status XXX0b S6 A contact X...

Страница 45: ...ta bit selection 0 8 data bits 0 O O O 1 7 data bits 09 06 Communication error detection time 0 0 25 5 0 0 S O O O 09 07 Fault stop selection 0 Deceleration to stop based on deceleration time 1 when c...

Страница 46: ...eedback loss detection selection 0 Disable 0 O O O 1 Alarm 2 Fault 10 12 PID feedback loss detection Level 0 100 0 O O O 10 13 PID feedback loss detection time 0 0 10 0 1 0 s O O O 10 14 PID Integral...

Страница 47: ...RPM 22 Bar 23 Pa 24 KPA 10 36 PID2 Proportional gain P 0 00 10 00 3 00 O O O 1 10 37 PID2 Integral time I 0 0 100 0 0 50 s O O O 1 10 38 PID2 Differential time D 0 00 10 00 0 00 s O O O 1 10 39 PID lo...

Страница 48: ...11 07 S curve time setting at the end of deceleration 0 00 2 50 0 20 s O O O 11 08 Jump frequency 1 0 0 400 0 according to 01 02 0 0 Hz O O O 11 09 Jump frequency 2 0 0 400 0 according to 01 02 0 0 Hz...

Страница 49: ...tage of OV Prevention 200V 300 400V 400V 600 800V 220V 350 440V 750 V O X X 7 11 40 OV Prevention Selection 0 Disable 1 OV Prevention Mode 1 2 OV Prevention Mode 2 3 OV Prevention Mode 3 0 O X X 7 11...

Страница 50: ...t type select 0 Mode 1 1 Mode 2 1 O X X 11 63 Strong magnetic select 0 Disable 1 Enable 1 X O X 11 64 Acceleration Speed Gain Adjustment 0 1 10 0 1 0 O X X 7 11 65 Target Main Circuit Voltage 400V 400...

Страница 51: ...play the feedback value by integer xxx 0 O O O 5 1 Display the feedback value by the value with one decimal place xx x 2 Display the feedback value by the value with two decimal places x xx 12 02 PID...

Страница 52: ...18 Output current Display the current output current A O O O 12 19 Output voltage Display the current output voltage V O O O 12 20 DC Voltage Display the current DC voltage V O O O 12 21 Output power...

Страница 53: ...ult message O O O 12 46 Previous fault message Display previous fault message 0 O O O 12 47 Previous two fault messages Display previous two fault messages 0 O O O 12 48 Previous three fault messages...

Страница 54: ...e electricity price 0 9999 0 0 O O O 12 70 Cumulative electricity price 0 60000 0 O O O 12 71 Flow meter feedback 1 50000 0 GP M O O O 12 72 Reserved 12 73 Reserved 12 74 PSI Target 0 01 25 50 02 00 P...

Страница 55: ...ization 200 400V 50Hz 8 PLC initialization 9 2 Wire initialization 230V 460V 60Hz 10 3 Wire initialization 230V 460V 60Hz 11 2 wire Initialization 230V 400V 60Hz 12 3 wire Initialization 230V 400V 60H...

Страница 56: ...ay Previous Thirteen Fault Message O O O 7 13 34 Previous Fourteen Fault Message Display Previous Fourteen Fault Message O O O 7 13 35 Previous Fifteen Fault Message Display Previous Fifteen Fault Mes...

Страница 57: ...et value 1 0 9999 0 O O O 14 09 T5 Set value 2 Mode 7 0 9999 0 O O O 14 10 T6 Set value 1 0 9999 0 O O O 14 11 T6 Set value 2 Mode 7 0 9999 0 O O O 14 12 T7 Set value 1 0 9999 0 O O O 14 13 T7 Set val...

Страница 58: ...5 T3 Current value 2 Mode 7 0 9999 0 O O O 15 06 T4 Current value 1 0 9999 0 O O O 15 07 T4 Current value 2 Mode 7 0 9999 0 O O O 15 08 T5 Current value 1 0 9999 0 O O O 15 09 T5 Current value 2 Mode...

Страница 59: ...05 Motor rated speed 0 24000 KVA a rpm O O X 17 06 Pole number of motor 2 16 Even 4 Pole O O X 17 07 Reserved 17 08 Motor no load voltage 400V 100 480 KVA a V O O X 17 09 Motor excitation current 0 0...

Страница 60: ...trol Parameters Code Parameter Name Setting Range Default Unit Control Mode Attribute V F SLV PM SLV 20 00 ASR Gain 1 0 00 250 00 3 00 X O O 1 20 01 ASR Integral time 1 0 001 10 000 SLV 0 500 PMSLV 0...

Страница 61: ...0 100 ms X O X This parameter group is enabled in SLV and PMSLV modes Group 21 Torque Control Parameters Code Parameter Name Setting Range Default Unit Control Mode Attribute V F SLV PM SLV 21 00 21 0...

Страница 62: ...32 767 1 024 mH X X O 22 17 PM EMF constant 0 1 32 767 0 100 mV r ad s 22 18 Weak magnetic limit 0 100 0 22 19 22 20 Reserved 22 21 SLV PM motor tuning 0 None 0 X X O 1 Self sensing 22 22 Fault histo...

Страница 63: ...1 1 100 5 PSI O X X 6 23 10 Constant voltage sleep frequency 0 00 180 00 30 00 Hz O X X 23 11 Constant voltage sleep time 0 0 255 5 0 0 S O X X 23 12 Maximum pressure limit 23 20 0 0 00 650 00 23 20...

Страница 64: ...O O O 7 1 W 2 Bar 3 PA 23 37 Water leakage detect time 0 0 100 0 0 0 S O X X 23 38 Pressure variation of leakage detection restart 23 20 0 0 01 65 00 23 20 1 1 10 1 PSI O O O 6 23 39 Pressure toleran...

Страница 65: ...O 1 Set by AI 23 60 HVAC units select 0 GPM 0 O O O 7 1 FPM 2 CFM 3 GPH 23 61 23 65 Reserved 23 66 Derating of current level 10 200 110 O X X 23 67 Derating of delay time 1 0 20 0 10 0 S O X X 23 68...

Страница 66: ...1xxb Relay 3 enable 0xxxb Relay 4 disable 1xxxb Relay 4 enable 24 02 Selection of relay 5 8 function xxx0b Relay 5 disable 0000b O O O xxx1b Relay 5 enable xx0xb Relay 6 disable xx1xb Relay 6 enable x...

Страница 67: ...66 Group 24 Pump Control Function Parameters Code Parameter Name Setting Range Default Unit Control Mode Attribute V F SLV PM SLV 24 16 Delay Time of Low Pressure Error 0 0 600 0 0 0 Sec O O O 7 24 1...

Страница 68: ...vel around 200 of the inverter rated current Acceleration time is too short Contactor at the inverter output side A special motor or applicable capacity is greater than the inverter rated value Short...

Страница 69: ...control board or complete inverter IPL input phase loss Phase loss at the input side of the inverter or input voltage imbalance active when 08 09 1 enabled IPL occurs Terminal screws of R L1 S L2 or T...

Страница 70: ...ed in 08 16 Parameter 08 14 0 or 2 to activate Load too heavy Check over torque detection parameters 08 15 08 16 Check and reduce motor load check and operation duty cycle UT Under torque detection In...

Страница 71: ...ternal fault S3 External fault Terminal S3 Active when 03 02 25 or 68 and Inverter external fault selection 08 24 0 or 1 EF4 External fault S4 External fault Terminal S4 Active when 03 03 25 or 68 and...

Страница 72: ...signal is correct Check if feedback value of pressure is lower than limit of maximum pressure 23 12 LSCFT Low suction fault Low suction fault Insufficient water supply of effluent channel leads to ins...

Страница 73: ...3 19 and detection time of loss pressure 23 18 passed and 23 78 2 in the meanwhile Since proportion of loss pressure 23 19 is enabled and over high the inverter trips to fault Thus feedback sensor can...

Страница 74: ...exceeds the OV detection level 410Vdc If input voltage 01 14 is set lower than 400V the OV detection value will decrease to 700Vdc Deceleration time set too short resulting in regenerative energy flow...

Страница 75: ...inal S1 S6 Active when 03 00 03 05 31 Multifunction digital input overheat warning active Multi function input function set incorrectly Check wiring OT flash over torque detection Inverter output torq...

Страница 76: ...ection tripped active when protection curve 08 05 xxx1 Voltage setting V F mode too high resulting in over excitation of the motor Motor rated current 02 01 set incorrectly Load too heavy Voltage sett...

Страница 77: ...ifunction digital input external fault active and parameter 08 24 2 for operation to continue Multi function input function set incorrectly Check wiring Multi function input function set incorrectly C...

Страница 78: ...tting falls outside the allowed range Some parameter ranges are determined by other inverter parameters which could cause an out of range warning when the dependency parameter is adjusted For example...

Страница 79: ...PID feedback breaking PID feedback signal falls below level specified in 10 12 PID feedback loss detection level for the time specified in 10 13 Feedback loss detection time Active when parameter 10 1...

Страница 80: ...dback value of pressure is lower than limit of maximum pressure LSCFT Low suction error Inadequate suction error Insufficient water of supply tank leads to insufficient suction PID difference is highe...

Страница 81: ...rmal voltage level on the control board Abnormal input voltage too much noise or malfunctioning control board Check the input voltage signal and the voltage on the control board EEPROM Archiving Error...

Страница 82: ...d reset it to multi function digital input Zero Speed Stop Warning The operation signal is enabled but frequency command is lower than the minimum output frequency 01 08 and DC brake is disabled The f...

Страница 83: ...o tuning is not completed within the specified time Auto tuning results fall outside parameter setting range Motor rated current exceeded Motor was disconnected Check the motor tuning data 17 00 to 17...

Страница 84: ...r current Check the motor tuning data 22 02 Check inverter capacity 02 04 Reserved 05 Circuit tuning time out System abnormality during circuit tuning Check for active protection functions preventing...

Страница 85: ...ly Is the load too excessive Reduce the load Does the load vary excessively 1 Minimize the variation of the load 2 Consider increasing the capacities of the inverter and the motor Is the input power u...

Страница 86: ...lier Perform detailed check and consult with the supplier Is fault known Symptoms other than burn out damage or fuse meltdown in the inverter Any Symptoms of burn out and damage Is the main circuit DM...

Страница 87: ...light flash Is the frequency value displayed on the display Are there voltage outputs at terminals U V and W Is there any fault display Are output currents of each phase even The inverter is OK Perfo...

Страница 88: ...the operating unit displayed Is FWD LED illuminated Is the main circuit I G B T working Any visual abnormalities Is the current detector OK Any abnormal indications Is the inverter operation OK after...

Страница 89: ...ting unit displayed Is FWD LED still illuminated after flash Is the main circuit fuse intact Any visual abnormalities Any abnormal indications Is the inverter operation OK after board replacement Repl...

Страница 90: ...voltages between power terminals correct Is LED lit Is the operation switch in RUN Are there outputs between the U V and W terminals of the motor Are outputs between U V W the same 1 Motor 2 Motor fa...

Страница 91: ...ceeding the specified value Consider reducing the load and increasing the capacities of the inverter and motor Motor Overheating Is motor running at low speed for a long time Is motor voltage between...

Страница 92: ...it happen during eceleration Motor runs unevenly Is the acceleration time correct Are the output voltages between U V V W W U balanced Is the load fluctuating Any mechanical vibration or gear backlas...

Страница 93: ...tion terminals Any loose parts or terminals Visual check Check with a screwdriver Correct installation requirement Secure terminals and remove rust Any damage to the base Any corroded Terminals Wiring...

Страница 94: ...in the instruction manual installed away from any sources of heat and the correct ventilation is provided For replacement of a failed or damaged inverter consult with the local supplier Ensure that t...

Страница 95: ...00 3 2004 A1 2012 PDS of Category C2 The attached ferrite core needs to be installed with inverter Installation position The wiring between inverter and motor Installation procedure The inverter outpu...

Страница 96: ...cable and remote control box wire Installation position Mounted on the inverter output terminal U V and W or motor cable Installation procedure The motor cable is required to be passed through two fer...

Страница 97: ...f Category C3 The attached ferrite core needs to be installed with inverter Installation position The wire between inverter and motor Installation procedure The inverter output wire must pass through...

Страница 98: ...of inverter connected to the motor cable Installation position Mounted on the inverter output terminal U V and W or motor cable Installation procedure The motor cable is required to be passed through...

Страница 99: ......

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