Related Manuals for Grundfos Redi-Flo 4
Summarization of Contents
General Safety Warnings
Electrical Work
Guidance for all electrical work performed by a qualified electrician.
Electrical Hazards
Information on Class 1, Division 1, Group D locations and grounding requirements.
Technical Specifications
ELECTRIC
Electrical input, output, and protection specifications for the VFD.
MINIMUM GENERATOR SIZE
Recommended generator wattage for Redi-Flo2® and Redi-Flo4™ pumps.
Redi-Flo2® Pump and Motor Specifications
OPERATING CONDITIONS
Minimum and maximum ambient fluid temperatures for the pump.
DIMENSIONS AND WEIGHT (PUMP AND MOTOR)
Physical dimensions and net weight of the Redi-Flo2® pump and motor.
Redi-Flo4™ Pump and Motor Specifications
OPERATING CONDITIONS
Minimum and maximum ambient fluid temperatures for the Redi-Flo4™ pump.
DIMENSIONS AND WEIGHT (PUMP AND MOTOR)
Physical dimensions and net weight for various Redi-Flo4™ models.
Redi-Flo VFD Special Features
Dry Run Protection
Protects pump from damage during dry run or pump-off conditions.
Torque Boost
Feature to aid start-up under severe conditions with adjustable torque.
Optimized Volts/Frequency (V/HZ) Pattern
Optimized V/f pattern for efficient operation of Redi-Flo pumps.
Dual Input Capability
VFD accepts 115V or 230V input voltage.
Pre-Installation Checklist
Components of Your Redi-Flo VFD System
Lists essential components for the Redi-Flo VFD system.
Assembling the Redi-Flo VFD System
Attaching the Pump to the Pipe
Instructions for connecting piping to the pump, including safety cable use.
Installation and Operation
Lowering the Pump Into the Well
Guidelines for safely lowering the pump into the well, avoiding motor lead damage.
Operating Conditions
Key guidelines for proper system operation, including voltage and submergence.
Redi-Flo VFD Operator Adjustments
Operator Adjustable Control Features for Custom Operation
Overview of adjustable parameters like frequency, acceleration, and torque boost.
F04-ACCELERATION TIME (ACCEL)
Adjustable acceleration time for pump start-up.
VFD Operator Adjustments
F08-MOTOR OVERLOAD(IXT LEVEL)
Adjustable motor overload trip current setting.
F10-INPUT UNDERCURRENT LEVEL(UC LEVEL)
Adjustable input undercurrent detection level for dry-running protection.
VFD Operator Adjustment Parameters
F00 RF2 Max. Output Frequency
Parameter for setting the maximum output frequency for Redi-Flo2®.
F08 Motor Overload Level
Parameter for adjusting motor overload trip current.
VFD Electrical Input/Output
Input Power Terminals
Details on changing input voltage connections between 115V and 230V.
Output Power Terminals
Information on terminating output terminals into the Harting connector.
VFD Auxiliary Input/Output
4-20 mA Input signal
Using a 4-20 mA signal to control the Redi-Flo VFD.
Run/Fault Signal outputs
Details on output contacts for speed reached, fault, and run acknowledge.
Troubleshooting
Status Lights
Interpreting status lights on the digital readout display for fault indication.
Troubleshooting
Fault Code Descriptions
Explanation of VFD fault codes, their causes, and remedies.
Redi-Flo2® Maintenance
Dismantling & Reassembling Pump End
Step-by-step guide for dismantling and reassembling the Redi-Flo2® pump end.
Redi-Flo2® Maintenance
Dismantling & Reassembling Motor
Procedure for decontaminating and reassembling the Redi-Flo2® pump motor.
Redi-Flo2® Maintenance
Replacing the Motor Lead
Detailed instructions for removing and installing the motor lead.
Redi-Flo2® Maintenance
Winding Resistance
Procedure for checking winding resistance using an ohmmeter.
Insulation Resistance
Procedure for checking insulation resistance using a megohmmeter.
Redi-Flo4™ Maintenance
Pump & Motor Inspection
Checklist for inspecting Redi-Flo4 pump and motor operation.
Winding Resistance
Procedure for measuring winding resistance with an ohmmeter.
Redi-Flo4™ Maintenance
Reattaching Pump End to Motor
Instructions for correctly reattaching the pump end to the motor.
Redi-Flo2® Assembly Diagram
Pump Components
Diagram and part numbers for Redi-Flo2® pump components.
Parts and Accessory List
Redi-Flo VFD
List of part numbers for the Redi-Flo VFD and related accessories.
Redi-Flo4™ Variable Performance Replacement Pump Ends & Motor
Part numbers for Redi-Flo4™ replacement pump ends and motors.
Accessory List
General Redi-Flo2® & 4 Accessories
List of general accessories for Redi-Flo2® and Redi-Flo4 pumps.
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