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1. Description of LED Indicator O O O RUN READY STOP L Red light ON when the VFD is stopped the pump will not run Green light ON when the VFD is ready for operation The pump will start automatically when the pressure drops Green light ON when the pump is running Description of Display Buttons ms MODE Used to enter and escape the BR mode Used to save edited parameter values UP DOWN Used to edit parameter values RUN KEY Used to run the VFD in Automatic mode STOP RESET Used to stop or reset the VFD SJE Rhombus SubCon VFD User Manual 11 How to use the Keypad Viewing Operational Information Using 4 and EI Buttons Displays the operating pressure in PSI verify that it is equal to the reading on the pressure gage Displays the set pressure in PSI default is 50 PSI Displays the frequency motor speed in Hz Displays the motor current in Amps Displays the total hours of operation of the pump 0 24h Total number of days of operation of the pump 0 9999 VFD communication is set as MASTER only used in duplex operation gt H LU 3 Operating Pressure NWARNING l l Hr er Setting the pressure higher than d ou the piping system rating will result in burst pipes and flooding 4 e Press Y button to change the pressure A g CC JJ NOTE If any buttons are not Press SET button to save pressed for two minutes the display SET the changed pressure2. Motor Transducer 5 90 Inches 9 6 Inches Hole Size Conduit Size nn en 1 10 in 28 mm Installation Location Figure 2 The SubCon VFD is designed to be wall mounted vertically using four 1 4 screws as shown in Figure 2 2 The SubCon VFD requires a minimum clearance on all sides for adequate ventilation as shown in Figure 2 3 Only install the SubCon Drive indoor in a clean and dry environment See specifications on page 9 of this manual SJE Rhombus SubCon VFD User Manual Electrical Connections Diagram for SubCon 1 5 and SubCon 3 0 SubCon 1 5 vrpprve Power Terminals N Control Terminals Torque Torque 16 0 in lbf 18 4 kgf cm 4 in Ibf 4 6 kgf cm Wire Size FISW FLT 24VS S1S2G Wire Size 10 14 AWG Stranded a Sju jT T 2s p eso 14 22 AW 12 14 AWG Solid Wire Type Copper only 75 C sct AC power to output 4 VIT2 and WIT3 Wire Type Copper only 60 C or 75 C 2 Pole Pump Circuit Breaker Cable Pressure Transducer 0 145 PSI 230 VAC Single Phase Incoming Power High Pressure Shutdown Switch optional Well Pump 230 VAC 3 Phase Model Max Voltage Circuit Breaker Min Cable Size SubCon 15 240 V SubCon 3 0 240V 6 SJE Rhombus SubCon VFD User Manual Power Terminal Connections LL L
3. Current Current Output I I Output Frequency l Frequency Time I Time Frequency Frequency Prevention of Over current Stall during Acceleration Prevention of Over current Stall during Operation dE Relay Output Operation This parameter determines the operation of the output relay This relay can be used for remote alarming or to signal another device that the pump is running When PR 27 0 the relay will close when the VFD has faulted When PR 27 1 The relay will close when the VFD is running the pump Both relays are normally open Har Parameter Reset This parameter is used for resetting all PR mode parameters to the default settings PR 29 Viewing Program Version This parameter is used for viewing the firmware version SJE Rhombus SubCon VFD User Manual 19 Duplex VFD Operation Electrical Connections Master VFD Slave VFD SubCon 1 5 vro prve d SubCon 1 5 vro prive O O O Sa ser a 7 4 wv Ry Ei FISW FLT 24VS S1S2G FISW FLT 24VS S1S2G dia OPNE 8 EES pje GPL sl as es RS 485 Communication 200 240 VAC 200 240 VAC Single Phase Single Phase ncoming Power Incoming Power Pressure Transducer 0 145 PSI Well Pump 1 Well Pump 2 230 VAC 3 Phase 230 VAC 3 Phase Two Subcon VFDs may b
4. Do not connect power to this equipment if it s been damaged or has any missing parts Do not apply power to the SubCon VFD with the terminal cover removed Verify that the incoming voltage supply is 230 VAC before applying power to the unit The SubCon VFD contains no serviceable parts do not attempt to repair this equipment The SubCon VFD must be grounded at the grounding terminal according to N E C Refer to the electrical connection on page 6 The SubCon VFD has been designed for indoor mounting only Do not install in areas with excessive or conductive dust corrosive or flammable gas moisture or rain excessive heat regular impact shocks or excessive vibration Do not install this product in hazardous locations as defined by National Electrical Code ANSI NFPA 70 This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation SJE Rhombus SubCon VFD User Manual TABLE OF CONTENTS Included in the SubCon Package Simplex Operation Diagram Pressure Tank Pressure Relief Valve Nameplate Mounting and Conduit Size Electrical Connections Terminal Connections Grounding Method Specifications uu
5. 15 for more than 10 seconds 14 SJE Rhombus SubCon VFD User Manual selva Maximum Frequency BR 02 This parameter is used to set the VFD maximum output frequency delivered to the motor 60Hz is the default value A Warning Extreme precautions must be taken in order to operate the pump at frequencies over 60Hz The motor must be over sized to handle the extra mechanical load The pump and motor must be rated for operation over 60Hz The pump and motor selection and sizing must be approved by the pump and motor manufacturers Failure to do so may result in motor overloading and possible pump and or motor damage STEUER Direction of Rotation This parameter allows the user to change the rotation of the motor without the need to change the motor wiring 0 Clockwise Rotation 1 Counterclockwise Rotation ERATSI Minimum Motor Frequency This parameter is used to set the VFD minimum output frequency delivered to the motor This value is in percentage of the maximum value If BR 02 is 60Hz and BR 04 is 50 the mini mum frequency will be 30Hz You must consult the motor and pump manufacturer if you wish to operate less than 30Hz Increase this value if the pump runs continuously even at no flow conditions ELAES Sensor Value Enter the pressure transducer sensing range Span The default value is 145 PSI which corre sponds to the supplied 0 145PSI range pressure transducer Note You must verify that the pressure readin
6. will return to the operating pressure automatically When End is displayed the display returns to the operating pressure 12 SJE Rhombus SubCon VFD User Manual Changing BR and PR parameters How to Change BR Mode Parameters ECH When an alarm is generated check current Press MODE button NOTE Must hold for 3 seconds Press W button to change the setting to a desired value Press SET button and the setting is displayed Press W button to change the setting to a desired value Press SET button to save the changed setting After End is displayed the next parameter is displayed eil Press MODE button and the display returns to the operating pressure Viewing the Alarm Log Press WY buttons at same time for 5 seconds or longer Press W buttons to view the saved value Press Y buttons to view the saved value Up to 20 alarm events 00 19 can be viewed SJE Rhombus SubCon VFD User Manual How to Change PR Mode Parameters Press MODE and SET buttons for 3 seconds at the same time Press A W button to change the setting to a desired value Press SET button and the setting is displayed Press WY button to change the setting to a desired value Press SET button to save the changed setting After End is displayed the next parameter is displayed Press MODE button and the display retu
7. 1 0 ote PR 02 PWM Frequency HE 2 3 2kHz 3 4 0kHz 4 5 0kHz 2 KHZ Je out 6 8 0kHz PR 03 Acceleration Time 2 2 Sec Time during which the motor operates up to the maximum frequency Time during which the motor stops PR 04 Deceleration Time 2 2 Sec operating until the minimum frequency is reached P Minimum frequency set in V F curve 5 Minimum voltage set in V F curve 3 PR 09 Base Frequency PR 10 Stop Method SEI Sensor Calibration 5 Medium frequency set in V F curve 3 Medium voltage set in V F curve 6 H Maximum voltage frequency 0 Stop by Decel mode 1 Stop by Free Run mode 1 0 BAR 1 PSI 2 2 1 U D gt eil ei Ql a EM SS a BEN 0 0 fl 0 N Za 2 0 i 1 HEIEREN 0 No Alternation PR 17 Alternation Mode 1 1 4 Alternation PR 18 Alternation Time for Hour Hours of pump run time before alternation If time is set to zero the alternation will be cycle rather than accumulated time based Duplex Operation PR 19 Slave Address Jr Master 1 Slave PR 20 Low Level Alarm 100 3 Times 0 99 Reset Attempts Reset Counter Er Ln 100 Continuous PR 21 Low Level Alarm 1 Min Delay time before alarm reset and Reset Delay Timer Er Ln auto start in minutes PR 22 Level Switch Digital Input 0 1 o It Nomaly open 1 Normally closed PR 23 Back to Main Screen Timer 6 200 120 Sec Time delay before returning to main displ
8. 2 Incoming power terminal block Output power terminal block for the pump Control Terminal Connections Pressure transducer connection 24V 24 VDC transducer power S 4 20mA signal from transducer 1 S2 G Communication for duplex operation Remote stop switch input use with an optional high pressure shut down switch or high level septic tank switch Only use a potential free contact dry contact There is a 30 second delay after contact closure for the pump to shut down Motor Cable Size AWG and Length Feet SubCon VFD 1 5 410 ft 656 ft ae SubCon VFD 3 0 240 ft 394 ft 656 ft 1 Cable length is measured from SubCon to the motor 2 Do not use flat cable Use round cable with twisted conductors 3 wire ground 3 Do not use aluminum conductors 4 For cable lengths greater than specified please contact factory Lightning Arrestor The use of a lightning arrestor will reduce problems resulting from power surges and lightning however 100 protection is not achievable The lightning arrestor must be installed in the service entrance panel Do not connect lightning arrestors to the SubCon output or motor SJE Rhombus SubCon VFD User Manual 7 JOON SAHD AAA wu UOOANS poy punog o jeued 4 mod Ajddns y woy jqe ONS Jemod jndu eu P uuog DIE Jo s y DuumnuDr dung ON I al I LI l l O 30 a v s Goon e
9. D User Manual Simplex Operation Diagram for SubCon 1 5 and SubCon 3 0 Pressure Transducer Pressure Tank High Pressure Shutdown Switch ressure optional Relief Valve op A WARNING SubCon 1 5 veo prive L A pressure relief valve must be installed A Yy Well Pump S RACINE Incoming Power 230V Single Phase 230V 3 Phase Motor SJE Rhombus SubCon VFD User Manual Pressure Tank To maintain constant pressure and prevent frequent startup a small capacity pressure tank is needed in the system refer to the minimum capacity of pres sure tank table below The SubCon VFD may use the pressure tank of a larger capacity than listed on the table Minimum Capacity of Pressure Tank Flow Inverter Motor Minimum Pressure Rate Model Capacity Tank Total Capacity SubCon 1 5 1 5 HP 2 gallon 12 0 GPM or less SubCon 3 0 3 0 HP 4 gallon mas vom 4galion 12 0 GPM or more SubCon 1 5 1 5 HP 4 gallon SubCon 3 0 3 0 HP 8 gallon Initial Pressure Tank Charge Pressure 1 Initial charge pressure should be at least 70 of the system pressure 2 To maintain the optimum pressure level check the air pressure in the tank regularly Set Pressure PSI Initial Charging Pressure PSI 50 faut o A Pressure Relief Valve Must be Installed A pressure relief valve MUST be installed as close to the incoming
10. HP High Pressure High pressure alarm detected Check the high pressure setting BR 06 Check the system Er LP Low Pressure Low pressure alarm detected Check the low pressure setting BR 07 Check the system for the low water level broken pipe or leakage Er Ln Low Level Level Switch Low water level detected by the Check the water supply Verify that your external level switch or by optional pressure display matches your pressure high pressure shutdown switch gage reading 22 SJE Rhombus SubCon VFD User Manual Error Symptoms and Actions Operation pressure does Check valve installed backward Repair or replace the check valve not rise after the pump flow or damaged starts up Pump or piping is air locked Purge the air from the discharge piping and correct the bent piping The discharge piping is broken Repair the discharge piping The pump rotor is damaged Repair or replace the pump The pump does not stop Set pressure is too high Reduce the set pressure but keeps running Minimum frequency too low Increase BR 04 by 5 The pump rotor is damaged Repair or replace the pump The pump is cycling too Check valve failure Repair or replace the check valve frequently Tank air pressure failure in the tank Adjust air pressure or replace pressure tank or damage see page 4 Insufficient flow Replace filter if in use Insufficient pressure Increase the set pressure by 3 PSI if it can be done safe
11. ate the receiving antenna Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer for help WARNING Any changes to or modifications not expressly approved by SJE Rhombus could void the user s authority to operate the equipment 24 SJE Rhombus SubCon VFD User Manual THREE YEAR LIMITED WARRANTY JE RHOMBUS warrants to the original consumer that this product shall be free f manufacturing defects for three years after the date of manufacture During that me period and subject to the conditions set forth below SJE RHOMBUS will repair r replace for the original consumer any component which proves to be defective ue to defective materials or workmanship of SJE RHOMBUS LECTRICAL WIRING AND SERVICING OF THIS PRODUCT MUST BE PER ORMED BY ALICENSED ELECTRICIAN HIS WARRANTY DOES NOT APPLY A to damage due to lightning or condi ons beyond the control of SJE RHOMBUS B to defects or malfunctions result ng from failure to properly install operate or maintain the unit C to failures esulting from abuse misuse accident or negligence D to units which are not nstalled in accordance with applicable local codes ordinances or accepted trade ractices and E to units repaired and or modified without prior authorization rom SJE RHOMBUS ome states do not allow limitations on how long an i
12. ay ja 0 Stall prevention OFF PR 25 Prevention of Over current 50 200 150 Stall during Acceleration PR 26 Prevention of Over current 50 200 150 Stall during Operation PR 27 Relay Output Operation 0 1 0 f fo FAULT f RUN Relay Open Normal Il _ParameerReset_ o 1 0 o DonotReset 1 Rest Pro ve I el o These parameters can only be edited when the SubCon is in the STOP mode 16 SJE Rhombus SubCon VFD User Manual PR Parameters Description skall Power Factor Correction PFC This is used for long motor cable length from the VFD to the motor PFC compensates for voltage drop and is able to deliver full power to the motor 0 PFC Circuit Not Used 1 PFC Circuit Used CERN Operation Mode This parameter is used for setting the motor operation mode There are two types of operation mode One is pressure control operation mode to control the output frequency automatically according to the pressure setting and the other is normal VFD operation mode to control frequency manually 0 VFD operation Sets the desired frequency and operates the motor manually 1 Pressure control operation Motor operates automatically according to set pressure RA PWM Frequency Carrier Frequency PWM frequency affects the electromagnetic noise level to the motor heat dissipation and envi ronmental interference of the VFD When the carrier frequency is high the electromagnetic noise is less while the h
13. e used to provide constant pressure to a system In this mode the pumps will automatically alternate and both pumps will run if one pump is not able to meet the set pressure 20 SJE Rhombus SubCon VFD User Manual Duplex Communication Parameters Setup 1 Set master VFD PR 19 parameter to 0 2 Set slave VFD PR 19 parameter to address 1 3 You will be able to set the pressure on any controller when the communication between the two VFDs operates correctly The set pressure for both VFDs will be the same Refer to the booster mode pressure set method 4 Press the Run buttons of each of the VFDs to start the operation High Pressure Warning Low Pressure Warning Set Pressure and Alternation Time are shared parameters by both VFDs when using the communication link VFD1 MASTER PR 19 0 VFD2 SLAVE PR 19 1 NOTE In duplex mode it is not possible to detect a broken pipe or dry run condition using Low Pressure Alarm SJE Rhombus SubCon VFD User Manual 21 Troubleshooting This VFD has a built in diagnosis system that detects faults in the system and displays the corresponding fault messages When a fault is detected the corre sponding protective function is activated to stop the VFD and ensure that it will restart when the fault is cleared The STOP LED is ON on the LED display unit on the front of SubCon VFD and the fault code is blinking on the VFD dis play window Possible causes and actions for various fau
14. eat dissipation in the VFD increases PR 03 Hae Acceleration Time Deceleration Time These are used for reducing startup load and ensuring smooth startup and stop of motor operation PRO3 ACCEL TIME refers to the time required for reaching maximum frequency set to BR 03 PR 04 DECEL TIME refers to the time required for stopping at maximum frequency during the VFD operation in BR 00 operation mode EE A DRE win Freg min Voltage Med Freg Med Voltage These are used for setting voltage frequency V F pattern one of the startup characteristics of the motor PR 05 and PR 06 are used for setting median frequency and voltage for startup PR 07 and PR 08 are used for setting minimum frequency and voltage At the time of deliv ery from the factory these parameters are set according to the standard V F curve If the motor is operated at an excessive startup torque it may result in damage to the motor Voltage Voltage Voltage Rated Volta Rated Voltage Frequency PR 06 PR 05 BR 02 PR 07 Frequency Frequency PR 05 PR 07 BR 02 PR 05 PR 07 BR 02 Standard V F Curve When the startup torque is raised When the startup torque is lowered NEIEN Base Frequency Refers to the frequency at which the VFD outputs the motor rated voltage SJE Rhombus SubCon VFD User Manual 17 dra Stop Method This parameter is used for setting stop mode of the motor 0 DECEL TO STOP This mode is used when t
15. g on the SubCon display matches the reading on the pressure gage A deviation of more than 5 PSI would indicate a defective transducer or defective pressure gage or BR 05 is set incorrectly It is recommended that these two dis plays be compared on a monthly basis Warning Setting an incorrect value for BR 05 will result in inaccurate pressure readings and may result in unpredictable operation and possible equipment property damage from over pressure GIE EI High Pressure Alarm Low Pressure Alarm When the discharge pressure rises above the high pressure alarm BR 06 the SubCon VFD will stop the pump immediately and will display the fault code Er HP When the discharge pressure drops below the low pressure alarm BR 07 the SubCon VFD will stop the pump after a time delay and will display the fault code Er LP The low pressure alarm is used to detect broken pipe or dry run conditions see PR 20 amp PR 21 pek Start Pressure Differential This value determines the pressure drop below the set pressure before the VFD starts the pump Example If the set pressure is 50 PSI and BR 08 is 5 PSI then the pump will start when the pressure drops below 45 PSI STEEN Do Not Use SJE Rhombus SubCon VFD User Manual 15 PR Parameters Table factory trained technicians only Parameter Value Parameter Name Min Max Default Unit Function Description Deal prccrat o 1 foetuses tue anc Open nse o 1
16. he VFD is stopped the motor will decelerate according to the PR 04 parameter 1 COAST TO STOP Upon a STOP command the VFD output voltage is shut off and the motor coasts to a stop PR 11 Pressure Unit This parameter is used for setting the pressure unit of measurement 0 bar 1 psi DK Sensor Calibration Value The pressure reading can be offset to match a pressure gage reading Ge GE EJ EN 0 PID Control Setting and Control Cycle The inverter receives feedback of pressure from the pressure transmitter and calculates pro portional control P integral control I and control D to control its output frequency At this time the control cycle refers to the cycle for repeating PID control Pressure Before PID is applied After PID is applied Time Gard ER FAGEN Alt Mode Alt Time for Duplex Operation Slave Address These parameters are used to set alternation in duplex pump operation PR 17 Alternation Mode is used for the alternation method 0 No Alternation Only designated pump operates but no alternation is made among pumps 1 Alternation PR 18 Alternation will occur after one pump has accumulated more hours than set in this parameter PR 19 is used for setting master pump and slave pump 0 Master Pump 1 Slave Pump PR 20 HR Low Pressure Alarm Auto Reset Counter Auto Reset Timer PR 20 is used for automatically resetting Low Pressure Alarms Er LP It can be used for low prod
17. lt diagnosis codes are listed in the table below A qualified service person must perform any electrical or mechanical troubleshooting and repair of the system Possible Causes for Fault Messages and Actions Fault Code Fault Description Possible Causes Actions Er HoC Hardware Over Current The VFD fault was detected Disconnect power to the VFD and notify SJE Rhombus Er oC Over Current Over current trip circuit detected Check whether the motor output matches abnormal current increase the VFD output Check if there is a short between the VFD and the motor Increase the acceleration time Check whether the motor is overloaded Er oH Over Heat The temperature sensor of the Check whether the room temperature is VFD detected overheat within the prescribed temperature range inside the VFD and check the VFD installation location Check if the vent is blocked and if the fan is in working condition Er oL Overload The VFD detected excessive Check if the motor is overloaded output current It can last for 10 If not adjust BR 01 to match the seconds at 115 of the motor motor data Will auto reset 5 times rated current Er cE Communication Error There is a problem in the Check the communication cable connection communication cable duplex operation he transducer is not connected Check the transducer connection and cable Er SS Sensor Short The transducer is short circuited Transducer has failed Replace the transducer Er
18. ly The pump does not start The circuit breaker is OFF Turn on the circuit breaker up even when power is applied The pump is locked Repair or replace the pump No water supply for the pump Run the pump again after water is available Motor failure Repair or replace the motor Abnormal voltage is applied Check the incoming voltage Pressure transmitter failure Replace the pressure transmitter Check the motor wiring and correct if necessary For other errors not specified above please contact the factory or your local distributor SJE Rhombus SubCon VFD User Manual 23 Interference with Other Equipment INFORMATION TO THE USER This equipment has been tested and found to comply with the limits for Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particu lar installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or reloc
19. mplied warranty lasts so the bove limitation may not apply to you Some states do not allow the exclusion or mitation of incidental or consequential damages so the above limitation or exclu ion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state O OBTAIN WARRANTY SERVICE The consumer shall assume all responsibil y and expense for removal reinstallation and freight of controller deemed defec ve Any controller to be repaired or replaced under this warranty must be eturned to SJE RHOMBUS or such place as designated by SJE RHOMBUS NY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS ARE LIM HALL NOT IN ANY MANNER BE LIABLE FOR ANY INCIDENTAL OR CON EQUENTIAL DAMAGES AS A RESULT OF A BREACH OF THIS WRITTEN WARRANTY OR ANY IMPLIED WARRANTY Warranty void if SubCon VFD is modified Call factory with servicing questions 800 RHOMBUS 1 800 746 6287 SJE Rhombus 22650 County Hwy 6 My POBox 1708 H Detroit Lakes MN 56502 USA 1 888 DIAL SJE 1 888 342 5753 Mf 218 847 1317 my Fax 218 847 4617 www sjerhombus com SJE Rhombus SubCon VFD User Manual 22650 County Highway 6 PO Box 1708 Detroit Lakes MN 56502 USA 1 888 DIAL SJE 342 5753 Fax 218 847 4617 www sjerhombus com PN 10234920 amp SJE Rhombus 01 09 D Lay
20. of LISTED Constant Pressure Controller for Submersible Well Pumps User Manual SubCon 1 5 SubCon 3 0 GE r CLAUS www sjerhombus com A WARNINGS Failure to read and understand the information provided in this manual may result in personal injury or death damage to the product or product failure Please read each section in its entirety and be sure you understand the information provided in the section and related sections before attempting any of the procedures or operations given Failure to follow these precautions could result in serious injury or death Keep these instructions after installation This product must be installed in accordance with National Electrical Code ANSI NFPA 70 so as to prevent moisture from entering or accumulating within the controller housing See additional specifications on page 9 of this manual PN ELECTRICAL SHOCK HAZARD Disconnect power to the SubCon Drive and wait 10 minutes before removing the terminal cover A qualified service person must install and service this product according to applicable codes and electrical schematics Lethal voltages are still present inside the SubCon VFD after power is disconnected Wait 10 minutes to allow internal capacitors to fully discharge before attempting to con nect or disconnect wires or to service this equipment Do not connect incoming power to motor terminals U T1 V T2 W T3 Doing so will result in irreversible damage to the Drive
21. r ammen O E UODGNS O O jaued Scuenugd SOSS poy BuipunoiS SJE Rhombus SubCon VFD User Manual SubCon Specifications SUBCON 1 5 SUBCON 3 0 C z A Rated Input Voltage V 200 240 VAC Single Phase kW aw Lem Conti Characters dS Pulse Width Modulation PWM V F control Operating Characteristics C r r 50 PSI default adjustable 30 60 Hz default adjustable fice Less than 95 Non Condensing SJE Rhombus SubCon VFD User Manual 9 A H se0159p 06 JE 1Inoulo9 Jeng pue SOIUO1 99 uuoU 104 Bum ay SSOD wayshs Ayndag auoyd SIGED OUla eS A s uou g 006 gt A he ee a 4 s uoul g I I Ge ES youeig wa a Y o Es BE I youelg maaan Og UODQN N 0 uo5Sqns fo QUE 99UE UF oo sjonpold Sluono l3 pjoyssnoy 1ouu JO SSYDUI g Aq Bum JOJOUI eut pue jqes JEMOd 1ndul au ajesedas woe UMOUS SV s qeS Jamod Uaam ag 30UEISIG Sauljaping Bunnoy lqeS SJE Rhombus SubCon VFD User Manual 10 Digital Control Buttons This section describes the display unit and LED indicators shown below It also describes the keypad operation Display e Q Q LED Indicators RUN READY STOP Display Window MODE Key MODE SET Key UP Key A 2 DOWN Key RUN Key RUN STOP RESET Key
22. rns to the operating pressure Press SET button for 5 seconds or longer Clears all alarm events 13 BR Parameters Table Parameter Value Parameter Name Min Max Preset Unit Function Description BR 00 Horse Power SubCon 1 5 0 5 3 0 1 5 HP 0 5HP 0 75HP 1HP Horse Power SubCon 3 0 0 5 3 0 3 0 HP 1 5HP 2HP 3HP BR 01 Motor Rated 1 5HP oo 200 59 A Set to the motor rated current Current 3 0HP 0 0 200 108 A Set to the motor rated current BR 02 Maximum Frequency a 0 oo He Maximum frequency BR 03 Direction of Rotation Foo f 1 1 0 Forward 1 Reverse SS Hz ee ee ee ss These parameters can only be edited when the SubCon is in the STOP mode BR Parameters Description BR 00 BR 01 Horse Power Motor Rated Current These parameters are used to set the VFD to match the motor Horse Power HP and rated cur rent A BR 00 Motor Capacity HP 0 5 0 75 1 0 1 5 2 0 3 0 SubCon 1 5 1 5HP 1 5HP SubCon 3 0 3 0HP 3 0HP Set the HP in BR 00 to match the motor HP BR 01 This is the motor nameplate rated current information This data is used to protect the motor and VFD in the event of overload conditions Motor rated current typical check your motor nameplate and adjust accordingly 2 9 Rated Current A The VFD will trip on a motor overload fault ER oL when the motor current exceeds the value in BR 01 by
23. source as possible and plumbed to a drain able to pass the pumps full flow in the event of a malfunction A WARNING Failure to use a pressure relief value could result in burst pipes and flooding if a system failure should occur High Pressure Shutdown Switch optional A pressure switch may be used to shut down the pump on high pressure in the event of a pressure transducer malfunction A reverse action pressure switch is required open on pressure drop The switch must be set to close before the pressure rises and reaches the piping system pressure rating See page 6 for electrical connections 4 SJE Rhombus SubCon VFD User Manual Product Nameplate and Mounting Information on Nameplate SJE Rhombus www sjerhombus com MODEL SubCon 1 5 INPUT 200 240VAC 50 60Hz 11 0A MAX 1 PHASE OUTPUT 0 240VAC 1 80Hz 1 5HP 3 PHASE ENCLOSURE TYPE 1 SERIAL NO SJE1507L003 ey LISTED POWER CONVERSION EQUIPMENT 3PVJ US Figure 1 VFD Nameplate Description of VFD Model SubCon 1 5 VFD Model 1 5 or 3 0 Outline and conduit size for SubCon 1 5 and SubCon 3 0 Mount VFD to wall using screws A 4 Inches TOP Y gi SubCon 3 0 voore Inches gt A 2 Inches 12 6 Inches 2 SJE Rhombus d vn fa Mounting Screw Mounting 4 Inches sti Screw Minimum clearance around the SubCon VFD drive for effective cooling VFD Mounting Y
24. u l satt vide whe Steerer eS aa Cable Routing Guidelines Digital Control Buttons Keypad Display Messages Changing BR and PR Parameters BR Parameters sys dhyasarsekddgereg eka sendes PR Parameters EE SEN AN SEET REENEN Duplex VFD Operation Duplex Communication Parameters Setup Troubleshooting and Faults Interference with Other Equipment Waranty u cosa awu eee bea EEN E eis nhoinbus 22650 County Highway 6 PO Box 1708 Detroit Lakes MN 56502 USA 1 888 DIAL SJE 1 888 342 5753 Fax 218 847 4617 www sjerhombus com SJE Rhombus SubCon VFD User Manual Thank you for purchasing the SubCon Variable Frequency Drive controller The SubCon VFD provides a state of the art solution for water well pumping control applications The controller will monitor the water pressure continuously and automatically adjust the pump speed to maintain a constant pressure discharge 1 2 5 6 SubCon Included in the box SubCon VFD controller SubCon 1 5 or SubCon 3 0 Pressure transducer 0 145 PSI range with 20 ft of cable Transducer cable Transducer isolator Strain reliefs 1 x 0 5 2 x 0 75 User manual Verify that all components are included and the SubCon model number is correct SJE Rhombus SubCon VF
25. ucing well applications PR 20 0 no reset PR 20 100 continuous reset PR 21 Delay before auto reset well re charge time in minutes 18 SJE Rhombus SubCon VFD User Manual PR 22 Level Switch Contact Point One of the methods to detect low water level using an external device level switch etc When low water level is detected by the level switch the VFD will stop When this low level alarm is cleared the VFD resumes its normal operation The VFD should be set according to the external device contact point setting 0 Level switch of the contact point normally open 1 Level switch of the contact point normally closed PR 23 Display Timer Return to Main Screen This parameter is used for viewing the operation data or for setting the time to return to the ini tial display according to the time set in BR or PR mode PR 24 PR 25 PR 26 Over current Stall Prevention Prevention of Over current Stall during Acceleration Prevention of Over current Stall During Operation PR 24 Over current Stall Prevention 0 Stall Prevention OFF 1 Stall Prevention ON PR 25 Prevention of Over current Stall during Acceleration sets the limit to current that may be generated over the rated current while the VFD is accelerating or because the VFD accel eration time is too short PR 26 Prevention of Over current Stall during Operation Frequency Frequency PR 19 PR 20 TS tg
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