VST2115P OPTIMAL DRIVE USER'S MANUAL
Contents
1. Motor Design limit Single phase 1 hp Three phase 1 5 hp Table 1 The selection in parameter P 01 and actual motor connected must be the same H Optimal Inc VST2115P User s Manual 2 3 Wiring Diagram Make the connections as per the wiring diagram shown in Figure 2 a for 1 2wire maximum 1 hp motor Figure 2 b for 1 3wire maximum 1 hp motor Figure 2 c for 36 maximum 1 5 hp motor CB 2P 20A C curve Mains earth E L1 L2 1ph 1 hp motor Input mains Pressure switch 220 to 240Vac 1Ph 50 60Hz Figure 2 a Wiring diagram for 1 2wire maximum 1 hp motor H Optimal Inc VST2115P User s Manual 10 11 Common CB 2P 38 20A C curve Main winding Aux winding Motor body Mains earth El L1 L2 1ph 1 hp motor Input mains 220 to 240Vac 1Ph 50 60Hz Pressure switch Figure 2 b Wiring diagram for 1 3wire maximum 1 hp motor H2Optimal Inc VST2115P User s Manual 12 CB 2P 20A C curve Mains earth gt EI L1L2 S Pressure switch 3ph 1 5 hp motor Input mains 220 to 240Vac 1Ph 50 60Hz Figure 2 c Wiring diagram for 3 maximum 1 5 hp motor 2 4 Terminal Description Terminal Description Li Power input L2 p al Drive ground Earth 1 2wire 1 3wire 30 B Load 1 Main winding B Y Load 2 Common Y R Not used Start winding R Motor ground DI Digital input Pressure sensor 12. 8 4 4 Fault Displays 19 In case of fault the drive indicates the fault by displaying the fault code Fault code Fault Cause GECI irk D Module fault This is triggered on power module control supply under voltage or power module over current Over voltage This is triggered when the DC bus voltage exceeds 390Vdc Under voltage This is triggered when the input voltage goes below 150Vac Overload fault This is triggered when the motor current exceeds P 14 of Table 3 for a certain time period or when the motor current exceeds 150 of the parameter P 14 This is triggered when the eana motor current drops OCUN Dry run fault below P 16 for the time period P 17 of Table 3 TEIL This is triggered when the LILE Panmraui earth leakage occurs Table 4 Mii In case of any fault the drive output is switched OFF until the fault is cleared The drive output is switched on after the time period P 15 has elapsed If there is no fault present and pressure sensor input is in closed state ZN CAUTION The drive will protect only 3 phase motor from overload Equipment does not incorporate motor overload protection for 1 phase motor H Optimal Inc VST2115P User s Manual 20 IN CAUTION Drive will only trip when the current reaches or exceeds 106 of set current for 1 5hp 3 phase motor load AN CAUTION Once the fault is cleared t
3. VST2115P OPTIMAL DRIVE USER S MANUAL Ver 1 2 Dear Customer Thank you for selecting the VST2115P Optimal Drive This user s manual explains how to use your VST2115P Optimal Drive So please read this manual before installing and operating your VST2115P Keep this manual for your future reference H OPTIMAL INC 1283 County Road H Ithaca NE 68033 402 450 8461 Fax 402 623 4247 www pitlessunit com info pitlessunit com H Optimal Inc VST2115P User s Manual Revision history Date Version Modifications May 2010 1 0 N A Aug 2012 1 1 Default parameter value of P 05 is changed from 1 sec to 0 5 sec The common and auxiliary windings are interchanged for 1ph 3 wire motor Nov 2013 1 2 Modifications are done in the parameter list and drive operation H Optimal Inc VST2115P User s Manual Contents Disclaimer Safety Information 1 System Description 1 1 Introduction 1 2 Display 1 3 Key Description 2 Installation 2 1 Introduction 2 2 Mounting the Drive 2 3 Wiring Diagram 2 4 Terminal Description 3 Programming the Drive 3 1 Introduction 3 2 Setting Parameters 4 Drive Operation 4 1 Introduction 4 2 Basic Operation 4 3 Troubleshooting 4 4 Fault Displays 5 Drive Maintenance 5 1 Introduction 5 2 Maintenance VST2115P Technical Details Environmental Specifications Drive Specifications H Optimal Inc Page 10 12
4. connecting Make sure that the terminals to which mains supply motor and control cables are connected are tightened properly Do not touch the heat sink to avoid burns due to high temperature Provide sufficient ventilation on all sides of the drive There are no user serviceable parts in the VST2115P In case of failure send the unit to factory for repair aS DANGER Failure to follow these instructions can result in death or serious injury to the personnel or equipment damage H2Optimal Inc VST2115P User s Manual 1 System Description 1 1 Introduction VST2115P is exclusively designed to drive up to a maximum 1hp single phase induction motor or up to a maximum 1 12 hp three phase induction motor in pump applications with the input voltage of 220 to 240 Vac 19 50 60 Hz 1 2 Display The display has four digits and is used to display the parameter number values and fault codes 1 3 Key description The required parameters can be entered using the three keys lt gt lt gt lt gt The parameter number and values are displayed on the four digit LED display lt gt Used to decrement the parameter number and values lt M gt Used to increment the parameter number and values lt H gt Used to set the parameter H Optimal Inc VST2115P User s Manual 2 Installation 2 1 Introduction This chapter describes how to install the unit both mechanically and electrically 2 2
5. Mounting the Drive Before mounting the drive check for the environmental conditions as mentioned in Table A of technical details Page 22 Dimensions Mounting dimension 7 0 All dimensions are in mm Figure 1 Overall dimension W x H x D 238 9 5 x 165 6 5 8 x 162 mm 6 2 Bolt Hole Mounting Pattern W x H 224 9 x 152 6 H2Optimal Inc VST2115P User s Manual Mounting Guidelines Oy UPON Remove the wall mounting brackets from the heat sink Invert the brackets and reinstall the mounting screws Mount the unit vertically Remove the top cover Install proper strain relief connectors Feed the wires into the respective holes Make the connections as per the wiring diagram Refer Figure 2 a 2 b 2 c Refix the top cover Mounting Recommendations 1 2 OPO Install the unit vertically at 10 Do not install the unit near sources producing noise such as solenoid contactor relay etc Provide sufficient ventilation on all sides of the unit Free space in front of unit 10mm minimum The control cable Pressure sensor input must be kept separate from the motor and mains cables All wires cables entering and exiting the drive should be attached firmly so that no load is applied to the wire connections from the connectors Follow all requirements of NEC or CSA as appropriate Motor Rating Before connecting the motor check for rating of the motor
6. solenoid radiation contactor relay etc Do not install the inverter in a polluted 4 Atmospheric pollution environment which contains dust corrosive gases etc 5 Relative humidity 90 non condensing max 6 Ambient temperature 0 to 40 C Do not install the unit in a place where 4 vater condensation will occur i Make sure that there is an adequate air flow 8 Overheating for cooling 9 Operating position Vertical H2Optimal Inc VST2115P User s Manual Table B Drive Specifications 22 S no Parameter Range Characteristics Unit Quadratic V F with customized software for pressure control 1 Control method based on pressure sensor input 2 Control frequency 5 to 80 Hz 3 Input voltage rms 220 to 240 1phase V 4 Input frequency 50 60 Hz 2 output terminals B Y 2 leads for single phase motors with inaccessible start winding 5 Motorconnections 3 output terminals B Y R 3 leads for 3 wire single phase motors 3 leads for three phase motors 6 Maximum continuous 9 8 For 1 1hp A output current rms 6 1 For 3 1 5hp 7 Input current rms 12 2 A 8 Motor voltage rms 230 V 9 Overload over torque 110 for 60 seconds Maximum lead cross Input Output 10 section AWG IO AwG io AWG 11 Earth wire cross section AWG 10 AWG Input and output 12 connectors tightening 1 35 Nm torque ig Recommended CB 20A 2P C curve rating Over voltage prot
7. 13 13 13 17 17 17 18 19 20 20 20 21 21 22 VST2115P User s Manual Disclaimer H2OPTIMAL INC shall not be liable for any incidental or consequential damages loss of revenues resulting from the use or misuse of information contained H2OPTIMAL INC reserves the right to make changes in the design or material of the system without incurring any obligation to incorporate such changes in the product or part already in usage H Optimal Inc VST2115P User s Manual N SAFETY INFORMATION Before installing and putting the VST2115P into operation please read these safety instructions carefully The drive contains hazardous voltages that are fatal for the user Hence installation and maintenance must be performed by qualified technicians only Power to the drive must be switched OFF before making changing any connections The DC link capacitor remains charged to dangerous voltages even when the power is removed For this reason it is not permissible to open the cover until 15 minutes after the display goes OFF Even when the motor is stopped dangerous voltages are present at L1 L2 and B Y R terminals Do not install the drive near sources producing noise such as solenoid contactor relay etc Install noise suppressors in noise producing components located near the drive Confirm that input supply voltage and frequency match the specified VST2115P input voltage and frequency before
8. 8 V Pressure sensor power COM Common 18V Not Used Table 2 H2Optimal Inc VST2115P User s Manual 13 3 Programming the Drive 3 1 Introduction This chapter describes how to program the drive parameters using 4 digit seven segment LED display and three tactile keys 3 2 Setting Parameters The list of parameters is given in Table 3 As Parameters except P 00 are password protected to prevent accidental changes Parameters can be accessed only in stop mode To program the parameters 1 Remove the top cover Before removing the top cover ensure that the drive is powered OFF Power on the drive Deactivate the pressure sensor input This can be done by removing the sensor wire from the drive or sensor or as described below The pressure sensor input can be deactivated by pressing lt f gt and lt gt keys together for 3 seconds when the pressure sensor input is activated The display toggles between fand parameter P 00 selection till the pressure sensor input is activated Press lt gt key twice while in default display The system requests a password as below r E E I Enter the password as 10 using lt gt and lt W gt keys and then press lt H gt key H2Optimal Inc VST2115P User s Manual 14 6 Then scroll the parameter list using lt gt or lt W gt until the desired parameter is reached 7 Press gt to change the parameter value 8 P
9. e is below the pressure sensor setpoint H Optimal Inc VST2115P User s Manual Parameter List 15 Parameter Description Range Default 0 Output frequency 1 Motor RMS current 0 Display selection 2 AC input voltage P09 3 DC bus voltage 4 Offset value Factory use 5 Vth bits 0 1 phase 2 wire P 01 Motor selection 1 3 phase motor 0 2 1 phase 3 wire P 02 Control frequency 5 80Hz 60 P 03 Base frequency 50 60Hz 60 P 04 Start mode frequency 5 60 Hz 50 P 05 Start acceleration ramp 0 5 30 0 seconds 0 5 P 06 Control acceleration ramp 0 5 30 0 seconds 3 0 P 07 Control deceleration ramp 0 5 30 0 seconds 3 0 P 08 Minimum frequency 10 60 Hz 40 P 09 Stop acceleration ramp 0 5 120 0 seconds 2 0 P 10 Stop mode frequency 10 60 Hz 55 P 11 Stop mode time period 0 1 60 0 seconds 2 0 0 Linear V F P 12 Control method 1 Quadratic V F 1 P 13 Starting torque boost 0 0 25 0 10 0 P 14 Motor thermal current 1 0 10 0A 5 9 P 15 Minimum time to start after 0 0 60 0 seconds 5 0 motor stop H Optimal Inc VST2115P User s Manual 16 Parameter Description Range Default P 16 Dry run current 0 1 10 0A 1 0 P 17 Dry run check time 1 999 seconds 5 P 18 Dry run OFF time 1 999 minutes 5 P 19 Factory use Ree 0 Not active nee Calibration 1 Do offset calibration 0 Defa
10. ection Under voltage protection Short circuit protection 14 Drive protection Over temperature protection Earth fault protection Over load protection 3 motor only 15 Pump protection Dry run detection 10V 30Vdc opto isolated input 16 Digital input suitable for connection to a potential free contact 17 Display 4 digit 7 segment LED display 18 Keypad 3 key tact switch keypad H2Optimal Inc VST2115P User s Manual 23 S no Parameter Range Characteristics Unit a 1 phase 3 phase motor b Start acceleration ramp Seconds c Start mode frequency Hz d Control frequency Hz A e Control acceleration ramp Seconds 19 Regt sie s f Control deceleration ramp Seconds P p g Stop mode threshold Hz frequency h Stop mode stop frequency Hz i Stop mode time period Seconds j Motor thermal current A 20 Operating position Vertical 21 Ambient temperature 0 to 40 C 22 Humidity 90 non condensing max 23 Dimensions WxHxD 238 x 165 x 162 Mm 24 Weight 4 07 Kg 25 Enclosure NEMA 1 H Optimal Inc VST2115P User s Manual 24 Please feel free to contact us if any technical assistance is required H2OPTIMAL INC 1283 County Road H Ithaca NE 68033 402 450 8461 Fax 402 623 4247 www pitlessunit com info pitlessunit com H Optimal Inc VST2115P User s Manual
11. he motor will start running after the time period P 15 if the pressure switch input is closed 5 Drive Maintenance 5 1 Introduction This chapter describes how to maintain the drive 5 2 Maintenance If a problem arises during installation or operation of the drive a Make sure the drive is installed as per the instructions given in Chapter 2 and the parameters are programmed to the correct values b Check for the environmental conditions as mentioned in Table A of technical details Page 22 The following operations are to be carried out at regular intervals with the drive in powered off condition a Check the condition and tightness of connectors b Check the environmental conditions c Keep the surroundings of the drive clean DANGER Before proceeding with any maintenance work switch off the drive and wait 15 minutes after the display goes off Safety information must be carefully read and followed Otherwise death or serious injury to the personnel or equipment damage may occur H Optimal Inc VST2115P User s Manual 21 VST2115P Technical Details Table A Environmental Specifications S no Parameter Range Requirements Unit TEN Do not install the inverter in an area that are vibration subject to vibration Do not drop the inverter or expose it to 2 shock sudden shock Do not install the unit near sources 3 Electro Magnetic producing noise such as
12. ll ramp up or down depending on the state of pressure sensor e f the pressure sensor is in closed state the drive output will ramp up till the control frequency P 02 is reached or till the pressure sensor opens or e f the pressure sensor is in open state then the drive output will ramp down until the minimum frequency P 08 is reached or till the pressure sensor closes If in control mode the drive output reaches the minimum frequency P 08 and the pressure sensor remains open for pressure sensor check time P 30 then the drive output will ramp up to stop mode frequency with stop acceleration ramp P 09 The stop mode frequency is calculated as follows a It is the product of the output frequency noted when the pressure sensor opens in control mode and a constant P 28 or b Itis the product of the output frequency noted at the end of every system check period P 25 and a constant P 31 The stop mode frequency is maintained for stop mode time period P 11 and after that the drive output is switched OFF and the drive reaches standby mode During stop mode if the pressure sensor closes then the drive returns to control mode H Optimal Inc VST2115P User s Manual 18 4 3 Troubleshooting Improper operation should be corrected by following the methods A Motor is noisy or overload trips or drive trips of ah JLF EL M Check setting of P 01 set to match motor type System over pre
13. ress lt f gt or lt W gt to increase or decrease the parameter value respectively 9 Then press lt gt to save the parameter The display blinks twice This is to indicate that it is being saved 10 After programming the desired parameter s press lt gt or lt W gt until the parameter P 00 is reached 11 Then press lt W gt key The system displays the value default display depending upon the parameter P 00 selection 12 Activate the pressure sensor input The pressure sensor input can be activated by pressing lt f gt and lt W gt keys together for a second when the pressure sensor input is deactivated The display flashes to indicate that the pressure sensor input is activated To load default parameters Make sure that the pressure sensor input is deactivated Go to parameter P 21 and press lt gt key The system requests a password Enter the password and press lt gt key The current values of all the parameters will be lost as they will be overwritten by default parameters The display shows F and blinks to indicate that the parameters are being loaded OV ON Parameters can be accessed only in stop mode Before operating the drive in the system ensure that the parameters are configured correctly The display always shows the default value P 00 selection while the motor is running CAUTION While in parameter value entry the motor will not run even if the pressur
14. ssurizes during stop mode Reduce P 09 and or P 11 to reduce system shut off pressure If desired to have addition pressure at shut off these parameters can be increased E ee Nuisance tripping with display of 7 Adjust P 16 to 75 80 of FLA from the motor name plate P 16 is automated to determine the correct value to trip at dry run conditions However certain installations may experience nuisance tripping Setting P 16 will eliminate nuisance tripping If you know the well may experience low water levels check the automated operation of P 16 during installation After initial startup cycle run the system for a minimum of three times and then check to see if the dry run feature works correctly P 16 can be set at 75 80 of FLA of the motor to insure motor protection Radio interference or other noise problems Check drive installation for proper grounding Filters are available for installations where drive noise causes problems Fri F L indicates there is a short or ground in the wiring or the motor The drive is protecting itself when this fault occurs Check wiring and motor with a megohm meter and correct the problem Note Some motors will appear to operate properly with a short to ground Any system with grounds or shorts will not operate when using a drive Nuisance tripping Check all wiring connections and all grounding Other faults are shown in Section 4 4 H2Optimal Inc VST2115P User s Manual
15. ult values are loaded after Ee Load default password authentication P 22 Pressure input validation time 5 999 milli seconds 1 P 23 Voltage ratio for 10 3 wire 1 00 to 1 30 1 20 only P 24 Factory use P 25 System check period 0 9999 seconds 90 P 26 P27 Factory use P 28 Constant to calculate stop mode 80 150 100 frequency in control mode P 29 Factory use P 30 Pressure sensor check time 0 999 9 seconds 6 0 before going to stop mode Constant to calculate stop mode P 31 frequency for every system 80 150 105 check period P 32 Frequency command increment 0 1 10 0 Hz 3 0 or decrement in control mode Pressure sensor close state H P 33 he k time 0 9999 milliseconds 50 p 34 Pressure sensor open state 0 9999 milliseconds 50 check time Table 3 H2Optimal Inc VST2115P User s Manual 17 4 Drive operation 4 1 Introduction This chapter describes the operation of the drive and faults displayed by the drive 4 2 Basic Operation Before operating the drive make sure that it is installed as per the instructions given in Chapter 2 and the parameters are programmed to the correct values 1 When the pressure sensor is in closed state and the drive is in standby mode the drive output ramps up to the start mode frequency P 04 with programmed start acceleration ramp P 05 After reaching the start mode frequency P 04 the drive enters the control mode In control mode the drive output wi
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