Grundfos Redi-Flo 2 Nstallation And Operating Instructions Download Page 35 | Manualshive

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Summary of Contents for Redi-Flo 2

Page 1: ...Installation and Operating Instructions Redi Flo Variable Performance Pumps Please leave these instructions with the Redi Flo equipment for future reference ...

Page 2: ...f the product was not installed in accordance with GRUNDFOS printed installation and operation instructions To obtain service under this warranty contact the Distributor or Dealer from which it was purchased to obtain instructions Under no circumstances should defective product be returned to the Distributor Dealer or GRUNDFOS without a Return Materials Authorization RMA GRUNDFOS WILL NOT BE LIABL...

Page 3: ...vicing ElectricalHazards The Redi Flo Variable Performance Pump system is not approved for Class 1 Division 1 Group D locations as specified by the National Electrical Code NEC Consult local authorities and regulations if you have any doubt about its suitability for a specific application WARNING Hazard of Electric Shock Do not expose the Redi Flo Variable Frequency Drive VFD to moisture If unavoi...

Page 4: ... Protection Built in 1000 mA Minimum Frequency factory preset 115 or 230V 25 Hz Maximum Frequency factory preset 115 or 230V 400 Hz RF2 115V 80 Hz RF4 Auto Frequency Limiting 230V 100 Hz RF4 Dimensions Protective case is 9 x14 x18 1 2 VFD Only 6 x 7 1 2 x 10 1 2 Net Weight VFD Cord Case 20 lbs 10 1 2 lbs VFD only Ambient Temperature 14 F to 120 F 10 C to 50 C Elevation Up to 3 300 ft without derat...

Page 5: ...corporated into Redi Flo VFD 9 0A for 10 seconds Discharge Port 1 2 Female NPT Minimum Ambient Fluid Temperature 34 F 1 C Maximum Ambient Fluid Temperature 80 F 28 C Motor Lubricating Fluid Deionized DI Water Minimum Ambient Temperature 34 F 1 C Maximum Ambient Temperature 120 F 50 C Dimensions 11 3 length x 1 81 diameter Net Weight 5 5 lbs excluding motor lead Standard Lengths in Feet 30 50 75 10...

Page 6: ...0 C Motor Fluid Deionized DI water with 30 propylene glycol Minimum Ambient Temperature 4 F 20 C Maximum Ambient Temperature 120 F 50 C 5E8 26 3 16 length 37 lbs 10E5 23 3 4 length 35 lbs 16E4 22 7 8 length 34 lbs 25E3 22 length 34 lbs Maximum Diameter 3 31 32 Standard Lengths in Feet 25 ft increments 25 to 600 All models OPERATING CONDITIONS STORAGE CONDITIONS DIMENSIONS AND WEIGHT PUMP AND MOTOR...

Page 7: ...otection of Redi Flo VFD and down hole equipment Grundfos Repairable The Redi Flo VFD can be repaired at all Grundfos Customer Service Centers for fast turn around Dry Run Protection Input Undercurrent Trip The Redi Flo VFD can protect pumping equipment from damage as a result of dry run pump off conditions at frequencies above 50 HZ for Redi Flo4 and above 300 HZ for Redi Flo2 This feature can be...

Page 8: ...oad VFD overload ground fault over current and under current under current 1 under current restart 3 Speed reached acknowledge contact closed when Redi Flo VFD has reached the speed frequency set on the10 turn potentiometer Typically used to enable external timers or counters NOTE All contacts rated 2A at 250 VAC 30 VDC Frequency Fault Status Display The Redi Flo VFD has an easy to read 3 4 high 7...

Page 9: ...Flo VFD power cord to your portable generator may be needed if the supplied plug is not compatible with your generator See Figure 5 3 Safety cable and hardware for lowering and lifting the pump See Figure 6 Figure 6 The exact type of plug used will depend upon your generator The Redi Flo VFD is supplied with a standard NEMA 115V 3 prong plug Figure 5 Figure 4 Redi Flo2 Redi Flo4 ...

Page 10: ...ump cable guard or motor When tightened down the threaded end of the first section of riser pipe or nipple must not come in contact with the check valve retainer in the discharge chamber of the pump After the first section of pipe has been attached to the pump the safety cable should be connected to the pump as shown if figure 6 Do not clamp to the pump When raising the pump be careful not to plac...

Page 11: ...perates properly follow these guidelines The Redi Flo2 or Redi Flo4 pump must be installed vertically with the discharge end pointed upwards The electrical voltage supply to the Redi Flo VFD must always be within or 10 of the specified power supply 103 5 126 5 VAC at 115V settings or 207 253 VAC at 230V For best performance when operating on a generator 115V generators should be set at 120V withou...

Page 12: ...ust have an adapter cord to connect to Redi Flo VFD See page 29 Parts List Redi Flo VFD x RF4 Variable Performance Pump Accessories section 7 Check the frequency display on the Redi Flo VFD It should read 0 0 zero If it doesn t refer to the Troubleshooting section on page 17 18 8 If this is the first time the Redi Flo VFD is being used or it has not been used for more than six months leave the Red...

Page 13: ...t on page 14 F03 RF4 MINIMUM FREQUENCY FMIN Factory preset at 25HZ for Redi Flo4 variable performance pumps Minimum frequency is adjustable from 0 30HZ To adjust minimum frequency follow the steps on the flowchart on page 14 F04 ACCELERATION TIME ACCEL Factory preset at 5 seconds Acceleration time is adjustable from 0 5 10 seconds To adjust acceleration time follow the steps on the flowchart on pa...

Page 14: ...equencies above 50Hz for the Redi Flo4 or above 300Hz for the Redi Flo2 F11 INPUT UNDERCURRENT RESTART TIME UC TIME Factory preset at 1 minute Input undercurrent restart time is adjustable from 1 99 minutes The Redi Flo VFD can be set to restart automatically after it has cut out on input under current trip UC After a set period of time 1 99 minutes the Redi Flo VFD can be set up to restart automa...

Page 15: ...during operation NO DESCRIPTION RANGE UNITS DEFAULT F00 RF2 Max Output Frequency 100 0 400 0 Hz 1 0 Hz 400 0 Hz F01 RF2 Min Output Frequency 0 0 100 0 Hz 1 0 Hz 25 0 Hz F02 RF4 Max Output Frequency 30 0 100 0 Hz 1 0 Hz 100 0 Hz F03 RF4 Min Output Frequency 0 0 30 0 Hz 1 0 Hz 25 0 Hz F04 Acceleration Time to 100 400 Hz 0 5 10 0 Sec 0 5 Sec 5 0 Sec F05 Deceleration Time from 100 400 Hz 0 5 10 0 Sec ...

Page 16: ...OPERATOR ADJUSTABLE CONTROL FEATURES Use flowchart below to change operator adjustable control features Page 14 Figure 8 Phillips screws ...

Page 17: ...e to touch motor terminals or control equipment parts Lethal voltage may be present up to 2 minutes after disconnecting from power source To change Input Output line connections first make sure that input power is turned off and Redi Flo VFD is disconnected Then remove the Redi Flo VFD cover and wire for 115V or 230V CAUTION Figure 10 Page 15 Input Power Terminals The Input voltage can be changed ...

Page 18: ...labeled in Figure11 for automatic 4 20 mA speed reference signal following capability A jumper between terminals 8 and 11 does not affect manual operation DR DIS Drive enable disable terminal A switching device can be added to this normally closed jumpered terminal giving an external enable disable option When these terminals are opened during operation the unit coasts to a stop The unit ramps up ...

Page 19: ...urrent 5 5A RF2 7 5A RF4 and Redi Flo VFD will trip on an overload OL1 fault in 60 seconds if speed is not turned down load reduced Status 3 Flashing Undercurrent fault is pending If the speed is not turned down within 8 seconds the Redi Flo VFD will trip on an under current UC fault Solid Under current trip fault is disabled Page 17 The Redi Flo VFD can indicate the presence of a pending fault by...

Page 20: ...ncy Defective VFD Have VFD checked by Grundfos technician Ground fault Motor is grounded Check motor and lead with megohmmeter Cable is damaged and repair or replace as needed The Transistor shorted insulation resistance must be greater than 1 5 M Have VFD checked by Grundfos technician VFD disabled Remote connection Check external device operation contact open Check Jumper Jumper between terminal...

Page 21: ...THE INSULATION FROM THE MOTOR LEAD 6 Unscrew and remove the Pump Housing counterclockwise when viewed from the top This will expose the impeller assembly guide vanes wear rings etc which can now be removed by hand for extended cleaning or replacement REASSEMBLY To reassemble the Redi Flo2 pump refer to the diagram on page 27 and 1 Make sure the motor lead is not connected to the Redi Flo VFD 2 Ret...

Page 22: ...ws at the bottom of the motor with 2 5 mm Allen wrench 8 Push gently on the motor shaft to move bearing housing out of the stator housing 9 Continue to remove bearing housing and motor shaft from stator housing 10 Clean motor shaft with a brush 11 Empty the water from the motor 12 Clean inside of stator housing with a brush 13 Replace motor shaft into stator housing 14 Refill motor using contamina...

Page 23: ...ench 2 5 mm to remove the two Motor Screws position 19 holding the Suction Interconnector position 10 in place Remove the Suction Interconnec tor but be very careful to note which of its slots is lined up with which motor lead this will be very helpful during reassembly You may wish to scratch a mark on both the Suction Interconnector and the motor to aid in matching them up later 8 Refer to the i...

Page 24: ... SCREEN IS FITTED 22 Line up the screw hole in the Inlet Screen with the screw hole in the Pump Housing Fit and tighten the Set Screw position 12 23 Connect the motor lead to theRedi Flo VFD and test the rotation of the pump Submerge the pump in water start it at its slowest speed and make sure the pump shaft is turning counterclockwise when viewed from the top If the rotation is incorrect switchi...

Page 25: ...plug and ground If the pump has been removed from the well a good way to test this as shown at right is to submerge the motor lead and Redi Flo2 pump in a bucket of water Touch one lead of the megohmmeter to the pump and one to a motor lead If the ohm value is lower than 1 5M W on any lead other than ground the motor or lead is defective and must be replaced Checking Components For Wear The pump c...

Page 26: ...leads prongs in the motor lead plug If the ohm value is too low the motor may be shorted If too high the motor windings or the leads may be open Pump Motor Inspection There is no periodic maintenance required for Redi Flo4 products Should a problem develop the following inspections should be performed If the pump is operating at a decreased capacity and the pump end does not appear to be the cause...

Page 27: ... the motor by rocking the plug side to side while pulling Installing the New Motor Lead 1 Make sure the motor lead socket in the motor is clean and free of debris and moisture 2 Remove the baggie from the new motor lead plug and firmly slide it into position in the motor lead socket 3 Tighten the motor lead plug screws evenly from side to side until firmly bottomed with the motor lead plug flush w...

Page 28: ...p and slightly rotate the motor shaft as the shaft is most likely not aligned with the pump end shaft coupling and stopping the pump from dropping into position In addition gently rocking the pump back and forth may aid in getting it to drop into position also 3 Put the four 1 2 nuts in place and tighten them diagonally to assure even pressure The nuts should be torqued to 13 ft lbs 4 Reattach the...

Page 29: ...nector 1 1A5004 11 Stator Housing 1 not available 12 Set Screw 1 see Service Kits 13 Ground Motor Screw 1 14 Motor Lead Screw 4 15 Teflon Washer 4 16 Brass Washer 2 17 Grommet 3 18 Crimped Pin 3 19 Motor Screw long 2 20 Motor Screw short 6 21 Filling Screw w O Ring 1 22 Motor Thrust Washers 2 23 Lip Seal 1 ID5566 24 Bearing Housing O Ring 2 see Service Kits Teflon is a registered trademark of Du P...

Page 30: ...rts service tools and motor leads are available using the following part numbers Page 28 Service Kits Position No Part Number In Diagram Part Description No In Kit 3 Guide Vane 2 4 Wear Ring 2 5 Impeller 2 6 Spacer Ring 2 7 Wear Plate 2 4 Wear Ring 4 7 Wear Plate 4 13 Ground Motor Screw 1 14 Motor Lead Screw 4 15 Teflon Washer 4 16 Brass Washer 2 17 Grommet 3 18 Crimped Pin 3 5 Impeller 2 1A00018 ...

Page 31: ...You must have one adapter cord to operate Redi Flo4 variable speed pumps Redi Flo VFD x RF4 Variable Performance Pump Accessories DESCRIPTION PART NUMBER 5E8 PE 08030008 10E5 PE 09030005 16E4 PE 10030004 25E3 PE 05030003 2 HP 3 PH 230V MS402E 96022532 Redi Flo4 Variable Performance Replacement Pump Ends Motor DESCRIPTION PART NUMBER SI MP1 115 230V VFD Complete 96022675 115V Power Cord ID8618 MOV ...

Page 32: ...0 80 Well Seal 1A5111 4 SCH 5 20 Well Seal 1A017Z 4 SCH 40 80 Well Seal 1A5110 Redi Flo2 Safety Cable Bracket Placed between the top of the pump and discharge piping connector 1A0019 Redi Flo2 Cooling Shroud 1A004Z Redi Flo2 Stainless Steel Ball Check Valve 1 2 Male NPT x 1 2 Female NPT 1A009Z For use with 1 2 ID or greater tubing or pipe ...

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