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H2O Drive
®
Constant Pressure Control Panel
For Submersible Well Pumps
User Manual
RD150 / RD300 / RD500 / RD750
RUN FWD
57.4 psi
HAND
OFF
AUTO
37.4 Hz
3.74 A
Technical support: +1-800-746-6287
techsupport@sjeinc.com
www.sjerhombus.com
Technical Support Hours: Monday-Friday, 7 A.M. to 6 P.M. Central Time
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Summary of Contents for SJE Rhombus H2O Drive RD150
- Page 1 H2O Drive ® Constant Pressure Control Panel For Submersible Well Pumps User Manual RD150 / RD300 / RD500 / RD750 RUN FWD 57.4 psi HAND AUTO 37.4 Hz 3.74 A Technical support: +1-800-746-6287 techsupport@sjeinc.com www.sjerhombus.com Technical Support Hours: Monday-Friday, 7 A.M. to 6 P.M. Central Time...
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Page 2: Table Of Contents
ELECTRICAL CONNECTIONS DIAGRAM ..........8 TERMINAL CONNECTIONS ..............9 SURGE PROTECTIVE DEVICE (SPD) ..........9 MOTOR CABLE LENGTHS ..............9 PROGRAMMING ..................10 PARAMETER DESCRIPTIONS ............13 TUNING & TROUBLESHOOTING GUIDE .........17 ERROR MESSAGES ................18 SCHEMATICS ..................19 ® SJE Rhombus ® H2O Drive Panel Operation Manual... -
Page 3: Warnings
Do not install in areas where ambient temperature exceeds 40ºC (104ºF). EXPLOSION OR FIRE HAZARD Do not use this product with flammable liquids. Do not install in hazardous locations as defined by National Electrical Code, ANSI/NFPA 70. ® SJE Rhombus ® H2O Drive Panel Operation Manual... -
Page 4: Included In The H2O Drive ® Panel Package
4. Strain reliefs (x3) 5. User manual ® Verify that all components are included and the H2O Drive Panel model number is correct. RUN FWD 57.4 psi HAND AUTO 37.4 Hz 3.74 A ® SJE Rhombus ® H2O Drive Panel Operation Manual... -
Page 5: System Overview
A pressure relief valve is recommended. H2O Drive ® Well Pump Float Switch (Optional) 230V, 3 phase Motor Incoming Power Floor Sensor 230V, Single Phase (RD150, RD300, RD500) (Optional) 230V, Three Phase (RD500, RD750) ® SJE Rhombus ® H2O Drive Panel Operation Manual... -
Page 6: Introductions & Specifications
Panel internal temperature: 14°F to 122°F (-10°C to 50°C) • Storage temperature -4°F to 131°F (-20°C to 55°C) • Altitude: Maximum of 3280 ft (1000m) above sea level • Outdoor rated enclosure (UL Type 3R) SJE Rhombus H2O Drive ® Panel Operation Manual ®... -
Page 7: Selecting The Correct Vfd
For 5HP & 7.5HP, the minimum tank size should be >20% of the rated flow. For example, a pump designed to deliver up to 100 GPM would require a minimum tank size of 20 gallons. SJE Rhombus H2O Drive ®... -
Page 8: Initial Pressure Tank Charge Pressure
3. Mount vertically using four (4) screws. 4. Avoid locations with direct sunlight exposure. 5. Locate near the well head, keeping the motor cable as short as possible. 6. Liquid tight conduits required for outdoor installations. SJE Rhombus H2O Drive ® Panel Operation Manual... -
Page 9: Dimensions
RD150 & RD300 DIMENSIONS 16.36” 15.59” 9.25” 7.80” 14.20” RD500 & RD750 DIMENSIONS 18.00” 14.02” 11.07” 20.18” 19.37” SJE Rhombus H2O Drive ® Panel Operation Manual ®... -
Page 10: Electrical Connections Diagram
230VAC, 60Hz Pump (200-240VAC) Cable THREE PHASE INCOMING POWER (CONNECT L1 & L2 ONLY FOR SINGLE PHASE INCOMING POWER - RD500 ONLY) Pressure Transducer 0-150 PSI Well Pump 230 VAC. 3 Phase SJE Rhombus H2O Drive ® Panel Operation Manual ®... -
Page 11: Terminal Connections
Use shielded cable or run cable in metal conduit to reduce Radio Frequency Interference (RFI). The motor must only be grounded in the control panel. Do not also ground at the well head or disconnect. SJE Rhombus H2O Drive ®... -
Page 12: Programming
57.4 psi Password Protection Indicator System Pressure HAND AUTO Hand/O /Auto Selection 37.4 Hz Output Frequency 3.74 A Output Amps USER INTERFACE Color Liquid Crystal Display (LCD) Menu Navigation And ENTER Dial SJE Rhombus H2O Drive ® Panel Operation Manual ®... - Page 13 DC bus voltage. HMI Setup Used to configure the display’s color theme, as well as set up the password protection. Advanced Used to set advanced functions. ® SJE Rhombus ® H2O Drive Panel Operation Manual...
- Page 14 Manual. 0 = no timeout (Continuously Run at Manual Hz) HAND Speed 30.00 Max. Frequency 45.00 Carrier Frequency Motor Auto-Tune Automatically measures and sets motor parameters for the most efficient operation. ® SJE Rhombus ® H2O Drive Panel Operation Manual...
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Page 15: Parameter Descriptions
2) The measured pressure is below the Low Pressure Alarm setting. This alarm will stop the pump, and must be manually reset. Set Low Pressure Alarm to “0” to disable the alarm. ® SJE Rhombus ® H2O Drive Panel Operation Manual... - Page 16 Set the Accel. time to the rate at which the output frequency will accelerate from 0Hz to 60Hz. Example: If the pump is required to accelerate from stop to 30Hz in 1 second, the Accel. time should be set to 2 seconds. ® SJE Rhombus ® H2O Drive Panel Operation Manual...
- Page 17 This is the constant speed at which the pump will run while it is in HAND mode. • Carrier Frequency This is the PWM switching frequency for the VFD inverter output. SJE Rhombus H2O Drive ® Panel Operation Manual ®...
- Page 18 This will reset all user settings and VFD parameters to their factory default values. The user must select “Confirm” when prompted “Are You Sure?” for the factory reset to be performed. ® SJE Rhombus ® H2O Drive Panel Operation Manual...
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Page 19: Tuning & Troubleshooting Guide
If the pump does not shut off when there is no flow (all valves closed), check the following: Raise the Sleep Frequency 3Hz above the frequency observed when running at no flow. Check sizing and pre-charge of the pressure tank (Hydropneumatic tank). ® SJE Rhombus ® H2O Drive Panel Operation Manual... -
Page 20: Error Messages
E. SAF Safety Circuit Fault * If an OC1, OC2, or OC3 fault occurs frequently, a motor Auto-Tune can often remedy this. The Auto-Tune function can be found in the Advanced menu. ® SJE Rhombus ® H2O Drive Panel Operation Manual... -
Page 21: Schematics
208/240VAC PUMP 1 3 PHASE S/L2 RUN MON_PRM PU_EXT NET R/L1 STOP RESET MODE D700 DRIVE ALARM CONTACTS LOW WATER ALARM VFD 112 FLOOR SENSOR DISPLAY VARIABLE FREQUENCY DRIVE PRESSURE TRANSDUCER ® SJE Rhombus ® H2O Drive Panel Operation Manual... - Page 22 3 PHASE S/L2 RUN MON_PRM PU_EXT NET R/L1 STOP RESET MODE D700 DRIVE ALARM CONTACTS LOW WATER ALARM VFD 112 FLOOR SENSOR DISPLAY VARIABLE FREQUENCY DRIVE FAN125 TAS125 PRESSURE THERMOSTAT TRANSDUCER SJE Rhombus H2O Drive ® Panel Operation Manual ®...
- Page 23 3 PHASE S/L2 RUN MON_PRM PU_EXT NET R/L1 STOP RESET MODE D700 DRIVE ALARM CONTACTS LOW WATER ALARM VFD 112 FLOOR SENSOR DISPLAY VARIABLE FREQUENCY DRIVE FAN125 TAS125 PRESSURE TRANSDUCER THERMOSTAT SJE Rhombus H2O Drive ® Panel Operation Manual ®...
- Page 24 Technical Support: +1 800-746-6287 techsupport@sjeinc.com www.sjerhombus.com Technical Support Hours: Monday-Friday, 7 A.M. to 6 P.M. Central Time PN 1076661D 11/23 © 2023 SJE, Inc. All Rights Reserved. SJE RHOMBUS is a trademark of SJE Inc.
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