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L932/B Installation & Operation Manual

1. 7 lt 090000 1 Control terminals for electrical connection to float switch probe 2 The terminals for pressure transmitter 3 RS 485 terminals for communication link remote monitor 4 USB port 5 Passive dry contacting point 6 MCB for electrical connection to the power supply 3 or 7 Terminals to electrical pump 8 Displaying board 9 Main board 10 Transformer board SS t 11 AC contactor 12 Remote monitor 13 Adaptor cable for remote monitor SC2 i pee 14 Pressure transmitter M i 15 Wall mounting spares waterproof tape for the cable of pressure transmitter voltage displaying gt area fault displaying area ampere displaying area o Ga ABE PUMP NO CALIBRATION s THREE PHASE UNBALANCE Ge g pump running status 28 displaying area E Bar AUTO MANUAL Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual Meaning of the icons shown on the LCD L932 B Meaning Description pump parameter configuration icon when this icon appears pump control box is in parameter adjusting manual time displaying icon when this icon appears it means pump control box is displaying some parameter of time eg pump accumulative running time unit hour counting down etc pump fault icon when this icon appears it mean
2. Float switch installation If the float switch is equipped with three wires use the BLACK and BROWN wires In event of different colors use a multimeter to identify correct connections as follows Upper level ON Lower level no reading OFF Upper level positive reading ON x 2 A DO NOT ENCASE SENSOR LEADS FLOAT SWITCH WIRE OR SIGNAL CABLES IN METAL PIPES USE PVC OR PE TUBING Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B 3 2 Installing pressure transmitter Technical parameter The following chart shows the main the technical parameters of pressure transmitter Main technical data Value Measure Range 0 2 5Mpa Power Supply 5 0 SVDC Output Signal 0 5 4 5V Accuracy 2 FS 10 C100 Overload Pressure Broken Pressure 2XRP rated pressure 3XRP rated pressure Insulation gt 10MU 50V Response Time lt 10ms Wires Three wire Elec connector Packard Pressure Port G1 2 Shell Protection IP65 Dimension amp Pin definition 52 5 1 32 2 0 1 Pin definition a VOUT Yellow color wire b VCC Red color wire c GND Black color wire TT Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual 3 3 Electrical connection for pressure booster pumping sy
3. 1start bit 8data bit 1stop bit no verify Baud rate 1200 bps 2400 bps 4800 bps 9600bps Default 9600bps Communication address Setting range of controller address 1 126 127 broadcast address Host computer broadcasting Slave machine responsion forbidden Protocol type Rated input voltage for SC MODBUS Protocol RTU AC220V 50Hz single phase Main installation data wire communication distance 1200meters max by shield twisted pair cable STP for RS485 amp CAN 5000meters max by STP and RS485 extender STP STP 120Q one pair 20AWG for RS485 amp CAN RS485 extender 5000meters 9600bps Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B 7 ELECTRICAL CONNECTON FOT PASSIVE DRY CONTACT POINT Controller has one pair of passive dry contact point with N O normally open contacting point close activated for some critical situation pump stalled open phase phase reversal phase unbalance over flow etc FL F2 Rating AC220V 4Amp S amp L N 8 TROUBLE SHOOTING GUIDE Fault Message Possible Cause Solutions report low line voltage to the owersupply compan the real running voltage is lower p pply pany flashing of UNDER V than the calibrated voltage pump is in under voltage protection state 932 B will attempt to restart the pump every 5minutes unti
4. B m m a D o o NN s a12 12 FETT 13 as 13 13 313 14 14 75 16 eal le ge AZ 18 1 18 Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B RESPONSIBILITY The manufacturer is not liable for malfunctioning if the product has not correctly been installed damaged modified and or run outside the recommended work range or run outside the recommended work range or in contrast with other indications given in this manual The manufacturer declines all responsibility for possible errors in this operation manual if due to misprints or errors in copying The manufacturer reserves the right to make any modifications to products that it may consider necessary or useful without affecting the essential characteristics 1 INTRODUCTION Thank you for choosing our products we will supply you with cordial and well around service as well as ever Intelligent Pump Controller model L932 B is an easy to use programmable controlling amp protection device for duplex booster pump with direct start three phase 0 75KW 15KW 1HP 20HP 1 1 Applications Model L932 B is specially designed for pressure booster pumping system by adopting pressure transmitter 0 5 4 5V pump user can easily set the different pressure value and observe the dynamic pressure value i
5. r a day aqoid wo aqoid Jamo aqoid add M01134 y9v14 IN A B Input Power PumpA PE PumpB water well Pressure Transmitter DANGER Electric shock risk Before carrying out any installation or maintenance operation the L932 B should be disconnected from the power supply and one should wait at least 2 minutes before opening the appliance A Never connect AC power to output U1 V1 W 1 U2 V2 W2 terminals A Don t put wire metal bar filaments etc into the controller A Ensure the motor controller and power specifications matching A The electrical and hydraulic connections must be carried out by competent skilled qualified personnel Di Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B 2 2 Parameter Calibration setting amp erasing To achieve best level of protection of the pump it is essential that parameter calibration must be done immediately after successful pump installation or pump maintenance Setting the parameter calibration Pump A Press the B key to switch to manual state make sure the pump not running and LCD screen displaying flash Press the ng key to run pump confirm the pump and all pipe network in normal working state including
6. voltage running ampere et LCD screen displaying flash o Note Parameter calibration of pump B is same as pump A just by pressing B START button instead of A START PumpA is ready for running Erasing former parameter calibration When pumpis reinstalled after maintenance or new pumpis installed user must erase the former parameter calibration and a new calibration must be done Erasing the parameter calibration Pump A Pressthe MODE key to switch to manual state make sure the pump not running and LCD screen displaying 380 Installation amp Operation Manual Ver 1 1 6 Intelligent Pump Controller Installation amp Operation Manual L932 B Press the SD key and release till L932 B makes a Di sound L932 B recover the default factory setting and LCD screen displaying flash Note Erasing the Parameter calibration of pump B is same as pump A just by pressing B STOP button instead of A STOP 3 ELECTRICAL CONNECTION 3 1 Installing liquid probe or float switch in the water well Liquid probe installation Wrap the signal cable and down lead of sensor lt fixation cone signal cable down lead of sensor installation stand In event of high risk of electric storms lightning or when liquid medium in well or tank or sump is very dirty it is recommended float switch is used
7. B A B IG DIG Control Room ES seo scz pe E shield twisted pair cable SPT 1200 meter Max Pumping Room Installation amp Operation Manual Ver 1 1 16 Intelligent Pump Controller 6 1 Basic Function REMOTE MONITOR SC 380 150 EN ott 5565 Installation amp Operation Manual L932 B Input power eo Slave Controller model SC2 with communication interface can realize long distance monitoring function In the control room pump users can realize all functions of L932 B Master Controller through SC2 without the parameter calibration and adjusting 6 2 Special Application As adopting communication interface the wire communication distance is less than 1200metres For those installation environment which require long distance communication say mine water tower across railway road and bridge etc users can adopt RS485 extender wireless communication or GSM system Please contact the manufacturer for more information 6 3 Technical parameter The following chart shows main technical parameters of communication link between L932 B amp Slave Controller SC Main technical data Physics Interface RS485 Bus Interface asynchronism semiduplex Data format Istart bit 8data bit stop bit no verify Istart bit 8data bit 2stop bit no verify Default
8. Intelligent Pump Controller Installation amp Operation Manual L932 B Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B Conventions used in this manual Inthe manual the following symbols will be used Generic danger Failure to comply with the safety regulations that follow can irreparably damage the controller or equipment gt Electric shock risk Failure to comply with the safety regulations that follow can cause death or serious personal injury WARNINGS Read this manual carefully before any operation Please keep this manual for future use E Before carrying out any installation or maintenance operation controller must be disconnected form the power supply MDon t open the cover during running the controller MDon t put wire metal bar filaments etc into the controller MDon t splash water or other liquid over the controller M The electrical and hydraulic connections must be carried out by competent skilled qualfied personnel E Never connect AC power to output uvw terminals MEnsure the motor controller and power specifications matching E Don t install the controller in the following condition corrosive gas or Pareme heal and cold S et acceptable temperature corrosive liquid range 250 550 Salt mist corrosion Rain and Moisture le material Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operat
9. SV analog signal 0 75 15KW 1HP 20HP Rated output power refer to the nameplate Rated input voltage AC220V AC415V 50HZ Three Phase refer to the nameplate Trip response time of over load 5sec 5min Trip response time of open phase lt 2sec Trip response time of short circuit lt 0 1sec Trip response time of under over voltage lt 5sec Trip response time of dry run 6sec Recovery time of over load 30min Recovery time of under over voltage 5min Recovery time of dry run 30min Trip voltage of over voltage 115 of the rated input voltage Trip voltage of under voltage 80 of the rated input voltage Liquid level transfer distance lt 1000m Dry run Pump stalled Over load Short circuit Protection function Transient surge Three phase unbalance Under voltage Phase reversal Over voltage Repeated start Pump shaft rust protection Open phase Working temperature 25 C 55C Working humidity 20 90 RH Degree of protection IP 54 Install position Horizontal Unit dimensions Lx W x H 31 x 22x 12cm Unit weight net 3 6kg Physics Interface RS485 Bus Interface asynchronism semiduplex 1200 bps 2400 bps 4800 bps 9600bps Default 9600bps Protocol type MODBUS Protocol RTU Baud rate Installation amp Operation Manual Ver 1 1 2 Intelligent Pump Controller 1 3 Controller components Installation amp Operation Manual L932 B 888
10. d click AJ to add or decrease the cut off pressure value SETTING Q loosen key controller makes a DI sound cut off pressure value setting complete 4 2 17 Pump cut in pressure value setting press the key to switch to manual state make sure the pump not running and LCD screen displaying 180 STORE hold pressing key and click to add or decrease the 1 pump cut in pressure value 1 PUMP CUT IN SETTING Loosen ja key controller makes a DI sound cut off pressure value setting complete Installation amp Operation Manual Ver 1 1 12 Intelligent Pump Controller Installation amp Operation Manual L932 B 4 3 2 Pump cut in pressure value setting press the mone key to switch to manual state make sure the pump not running and LCD screen displaying STORE nd hold pressing key and click FUME GOUN to add or decrease the 2 pump cut in pressure value loosen Gakey controller makes a DI sound cut off pressure value setting complete 5 BASIC OPERATION 5 1 Switching to MANUAL mode Press the key to switch to manual state L932 B is under the manual control state under manual state press A START E key to run A B pump press Eo STOP key to stop A B pump Note under manual state the L932 B can not receive the signal from pressure transmitter 5 2 Switching to AUTO mode Press the key to switch to auto state L932 B is under the auto control state L932 B wi
11. displaying Failure Sequence Number Failure Icon PUMP STALLED THE LATEST FAILURE OF PUMPAIS PUMP STALLED Note displaying the pump B last five failure record is same as pump just by pressing button instead of 5 5 Pump accumulative running time displaying The L932 B can memorize how many hours of pump running so itis very convenient for the pump users to analyse the pump running conditions and do maintenance Displaying the pump accumulative running time Press the MODE key to switch to manual state make sure the pump not running and LCD screen displaying 15 Installation amp Operation Manual Ver 1 1 Installation amp Operation Manual L932 B Intelligent Pump Controller Hold pressing PB button and press key the L932 B makes a Di sound the L932 B displays pump accumulative running time record Time Icon An he THE PUMPA HAS RUN FOR 23 HOURS Press key to quit the accumulative running time displaying Note displaying the pump B accumulative running time is same as pump just by pressing button instead of SrA 6 COMMUNICATION LINK Model L932 B has communication interface To adopting simple peripheral equipment Slave Controller pump users can realize long distance monitoring function This function is applied for L932 B installed in the basement pumping room etc but pump users require to monitor and control the pump on the ground or in the control room A
12. essages amp graphic shown on the LCD screen Messages amp Graphic Description Lack of water in water well Full of water in water well Full of pressure in pipeline or pressure tank Lack of pressure in pipeline or pressure tank 5 3 Pump protection During pump running if dry run over load under voltage etc failures happened the L932 B will immediately shut down the pump running and automatically execute a check for restarting conditions after a built in time delay has elapsed The L932 B will not recover automatically until all the abnormal situation s have been cleared If pump stalled open phase etc serious failures happened pump user must check the pump and motor immediately and repair the pump 5 4 Pump last five failure record displaying The L932 B can memorize the last five failures of pump so it is very convenient for the pump users to analyse the pump running conditions Installation amp Operation Manual Ver 1 1 14 Installation amp Operation Manual L932 B Intelligent Pump Controller Displaying the pump A last five failure record Press the Mees key to switch to manual state make sure the pump not running and LCD screen displaying Hold pressing ED key and press key the L932 B makes a Di sound the L932 B displays pump failure record S N of Failure Press key to quit the failure record
13. ion Manual 1 INTRODUCTION es cre cee cee cee son eee 1 1 Applications 1 2 Technical parameter amp features 1 3 Controller components 2 INSTALLATION s sree tee ee 2 1 Electrical connection to the power supply line and electrical pump eresse 2 2 Parameter Calibration setting amp erasing 3 ELECTRICAL CONNECTION soc soe oc ooo soo ooo ooo 3 1 Installing liquid probe or float in the water well 3 2 Installing pressure transmitter 3 3 Electrical connection for pressure booster pumping systemes se se xxx 4 SET DIFFERENT WORKING PRESSURE VALUE ser see sen sensor ser on sen ene 4 1 Cut off pressure value settings rer 4 2 1 Pump cut in pressure value setting 4 3 2 Pump cut in pressure value settings te se sees E BASIC OPERATIONS ere 5 1 Switching to MANUAL moderere 5 2 Switching to AUTO moderen st see sees 5 2 1 AUTO mode working logic description 5 3 Pump protection eee eee 5 4 Pump last five failure record displaying cee eso soo coo soo soo eoo soo ooo ooo soo ooo ooo eoo soo ooo ooo 5 5 Pump accumulative running time displaying eee se se se se ee 6 COMMUNICATION LINK es cee cee cee cee cee ooo cee soc cee sor cee nee 6 1 Basic Function 6 2 Special Application rr 6 3 Technical parameter 7 ELECTRICAL CONNECTON FOT PASSIVE DRY CONTACT POINT 8 TROUBLE SHOOTING GUIDE ser soo ser son cee sor cee ort TABLE OF CONTENTS L932
14. l line voltage is restored to normal report high line voltage to the the real running voltage is higher powersupply company than the calibrated voltage pump Tann Hashing OF OVER V is in over voltage protection state L932 B will attempt to restart the pump every 5minutes until line voltage is restored to normal pump motor running ampere flashing of increasing was greater than the cut off power supply amp repair or normal running ampere calibrated replace pump immediately ampere by more than 200 report to the power supply power supply lose phase company flashing of Ke J NEJI LES controller inlet wire or pump cable broken repair inlet wire or pump cable Installation amp Operation Manual Ver 1 1 18 Intelligent Pump Controller Fault Message flashing off OVER LOAD Installation amp Operation Manual Possible Cause the real running ampere is higher than the calibrated running ampere pump is in over load protection state L932 B Solutions L932 B will attempt to restart the pump every 30minutes until running ampere is restored to normal pump impeller is jammed pump motor dragging pump bearing broken check pump impeller or bearing flashing of PUMP NO CALIBRATION flashing of parameter calibration not completed liquid level in the well sump is below the pump intake pump stops running refer to parameter calibration se
15. ll run or stop the pumps according to the pressure value setting Note under auto state if the pump is running and pump user wants to stop pump running compulsory press the key to switch to manual state and pump stops running Note under auto state if the input power being cut off and recovery power again the L932 B will enter operation state after 10seconds countdown Note no matter the L932 B is under auto or manual state if the input power being cut off and recovery power again the L932 B will resume its operation state same as the operation state before power being cut off 5 2 1 AUTO mode working logic description Note suppose pump user sets the cut off pressure value 10bar 1 pump cut in pressure 6bar 2 pump cut in pressure value 3bar 13 Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B 1 Normal pressure demanding If pressure value in the pipeline is 6bar controller will order single pump to run when pressure value reaches 10bar single pump stops running controller will alternate dual pumps running automatically when pressure value varies from 6bar to 10bar 2 Extra pressure demanding single pump is running pressure value in the pipeline still decrease to 3bar controller will order another pump to run simultaneously tillthe pressure in the pipeline reaches 10bar double pump will not stop running 3 Meaning of the m
16. n amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B IO IE IG IE IO IO R F I U1 V1 W1 PE U2 V2 W2 R S T SEES gt w o uf check valve valve water well U1 V1 W1 PE U2 V2 W2 i I BIR BIBS m A BC 5 T amp check valve valve IO NO IG KIS KIG AO K P water well Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B 4 SET DIFFERENT WORKING PRESSURE VALUE Note the pressure value degree is CUT OFF SETTING gt 1 PUMP CUT IN SETING gt 2 PUMP CUT IN SETTING Note suppose pump user sets the cut off pressure value 10bar 1 pump cut in pressure 6bar 2 pump cut in pressure value 3bar 4 1 Cut off pressure value setting press the move key to switch to manual state make sure the pump not running and LCD screen displaying 180 hold pressing key an
17. n the pipeline Typical usage scenarios include Houses Flats Holidays houses Farms Water supply from wells Industrial plants Construction site 1 2 Technical parameter amp features Main features MDouble pumps control main pump standby pump automatically alternate main pump standby pump automatically switch against malfunctions standby pump participate running if required MPresent pressure transmitter with 0 5 4 5V analog signal MEasily setting the different pressure value and observing the dynamic pressure value MEliminates the pressure switches pressure setting for two pumps pressure setting for one pump MAutomatic stops the pump in the case of water shortage protecting it from dry running without installing float switch or liquid probe in the well MAuto Manual switch MProtect the pump against many faults MDynamic LCD displaying the real pressure value MDynamic LCD displaying pump running information HPump accumulative running time displaying MPump last five fault record displaying HP ump shaft anti rust Present remote monitor Present one dry contact point 1 Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B The following chart shows main technical parameters of Model L932 B Control characteristic pressure control Control method Manual Auto Pressure control characteristic Pressure transmitter with0 5 4
18. s pump control box is displaying some fault information bid ES ON LINE network connection error icon when this icon appears it means there is no network connections or network connection error between pump control box and SC slave controller or computer hj Oo z z m network normal connection icon when this icon appears it means the network connection between pump control box and SC slave controller or computer is normal voltage minute second hour percent ampere pump running pump stops running low pressure or lack of pressure in the pipeline or pressure tank high pressure or full of pressure in the pipeline or pressure tank pump A Ga BtIHOOE Toz pump B pump C Installation amp Operation Manual Ver 1 1 Intelligent Pump Controller Installation amp Operation Manual L932 B Icon Meaning Description Stop pressure value for cut off setting Start 1 pressure value for 1 pump cut in setting Start 2 pressure value for 2 pump cut in setting Start 3 pressure value for 3 pump cut in setting Psi pressure unit Bar pressure unit Low low pressure or lack of pressure in the pipeline or pressure tank Hig high pressure or full of pressure in the pipeline or pressure tank 2 INSTALLATION 2 1 Electrical connection to the power supply line and electrical pum oao g 5 F4 F2 sj i o
19. stem 0090 308 AB R S T U1 V1 W1 PE U2 V2 W2 SRERKRER HER B SKERE z check valve valve water well Installation amp Operation Manual Ver 1 1 L932 B Installation amp Operation Manual Intelligent Pump Controller U1 V1 W1 PE U2 V2 W2 00000 AB RST HSS SIS BE SSS SSISSSPS GE al A BC B heck val x L i Upper probe Lower probe ot I Com probe TTV TT p water well U1 V1 W1 PE U2 V2 W2 ISRA CCT IE MIO MIO im mr Dx check valve valve ll Upper probe li Lower probe Com probe water well L932 B 10 Installatio
20. tting L932 B will attempt to restart the pump every 30minutes until liquid level above the pump intake flashing of THREE PHASE UNBALANCE the real voltage ampere betweenthree phase R S T is not same and the difference is more than 15 report to the power supply company L932 B will attempt to restart the pump every 5minutes until the voltage ampere between three phase s restored to normal flashing of PHASE REVERSAL sequence of the three phase input voltage R S T error change the sequence of the three phase R S T flashing of REPEATED START pump starts more than 5times per minutes The most common cause for the rapid cycle condition is a waterlogged tank Check for a ruptured bladder in the water tank Check the air volume control or snifter valve for proper operation Check the setting on the pressure switchand examine for defects Cut off the power supply amp repair the water tank pressure switch or valve E ON LINE no communication link between SC computer and L932 B connecting the L932 B to SC computer to realize long distance monitoring Y 03 06 125 Installation amp Operation Manual Ver 1 1

L932/B Installation & Operation Manual

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L932/B Installation &amp; Operation Manual

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L932/B Installation & Operation Manual