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r I� i Procedures 1 1 1 1 I i - Single-Phase 2-Wire Wiring Diagram Three-Phase Wiring Diagram Pump Won't Start for Submersible Motors for Submersible Motors I POSSIBLE CAUSE CHECK THIS BY CORRECT THIS BY 10 2-Wire Pump Quick Disconnect I No power at the motor Check for voltage at the control box or It there is r o voltage at the contro}pane[ with Ground 1 1 power Supply panel check the leader panel for tripped circuits and reset those circuits Fused j Fuses are blown or the Turn off the power and remove the fuses Replace the blown fuses or reset the circuit ' Pressure Disconnec circuit breakers have Check for continuity with an ohmmeter breaker It the new fuses b}ow or the circuit Switch Switch j tripped breaker tops the electrical Installation Switch Pressure motor and woes must be check for defects Black (3 phase motors artly) Check for Voltago on the line and load side Replace any burned heaters or reset MMotor starter overloads of the starter Check the amp draw and inspect the starter for other damage If the Black are burned or have tripped make sure the heater Is sized correcly heater trips agars+ check the supply voltage Ensure that heaters are sized correct[y Green j he trip selling Is appropriately adjustedand Magnetic (3 phase motors only) Energize the conal circult and check for I!there Re no voltage check the control dram Starter I tarter does not energize voltage at the holding coil Hisao Ithere isvolrage checlkthe hodingcog for Pump$ weak connections.Ensure that the hoktng cad is Motor designed rn operate with the a 21aWe control Teen Well WOOD Replace the cal 6defects are found """" Seal Detective controls Chad( and yh�,�M� M �q g Inspect m four Replace worn or defective parts or controls ,+s1�rn,A r control '" �r 'a � ` I Motor or cable Is defective Tum off the povvas and dlsconnac the molar if an open or grounded winding is found Figure 4 F1 Gre$ leads Imm the con, bnuk Measure the lead remove the motor from the well and recheck g todead resistance with an ohmmeter(set to R the measurements with the lead separated I x 1) Measure the lead-to-ground values with from the motor Repair or replace the motor an ohmmeter(set to R x 1 OOK) or cable (i phase motors only) Turn off the power and discharge the when the meter is connected to the Defective capacitor capadtor bbyv shorting the leads together capacitor the needle should jump toward ll Single-phase 3-Wife Control Box } Check n w[fh an analog ohmmeter(set to ((zero}}ohms end slowly drift back to lnfrn[ty for Submersible Motors R x i lHlk) Ir) fieplace capacflar c1 it is defecttve Defective pressure switch Watch the pressure gauges as the Replace as necessary 230v { or the tubing to It Is pressure switch operates Remove the Pressure switch plugged tubing and blow through It 115v The pump Is mechanically Tum off the power and manually rotate the If the pump shaft doesn t rotate remove the - Lr Fused I bound or stuck pump shaft.Also check the motor shaft rota um and examine it If necessar Disconnect t I ton the shaft height,and the mature amp dismantle it and check the impellers and seal it draw to see d it Indicates a Pocked rota) for obstruction Check for motor corrosion Control A . a Pump Does Not Produce Enough flow(GPM) Boa t.5 O O O k2 ac IPOSSIBLE CAUSE CHECK THIS BY CORRECT THIS BY o reed w We Golfed line for 115V operation I (3-phase motors only) Check to make sure the electrical Correct the wiring For single phase motors Shaft Is turning in the connections In the control panel are check the wiring diagram on the motor For ed i wrong direction correct three phase motors simply switch any two power leads Well I Pump Is oparaling at the Check for low voltage and phase Replace defective parts or contact power Sul wrong speed(too slow) Imbalance company as applccabie 2 � n k� � f' Check valve is stuck(or Remove the check vaive Re install or replace r rr F installed backwards) Parts or fittings In the Install a pressure gauge near the Convert the PSI g you read on the gauge to Feet Figure 6 I pump are worn discharge port staff the pump and of Head by —or— grade illy close the discharge valve Read PSI x 231 WPSI= ft Impellers or Inlet Strainer lthha pressure at shutoff (Do not allow the Is clogged pump to operate for an extended period at Specific Gravity shutoff) Add to this number the number of feet 4. Starting the Pump for the First Time I (vertically)from Vie gauge down to the waters Pumping level A Attach a temporary horizontal length of pipe to the riser pipe Refer to the pump curve for the model you are working with to determine the shutoff head you 8 Install a gate valve and another short length of pipe to the temporary pipe I should expect for that mode€ if that head is C Adjust the gate valve one-third of the wayo dose to file figure you came up with(above) open the pump is probably DK If not remove the D Verify that the electrical connections are In accordance with the winng diagram I pump and inspect Impellers chambers etc The water level In the well Check the drawdown In the well while the if She pumping water level(inchiding drawdown) After proper rotation has been checked start the pump and let It operate until the water may be too low to supply pump is operating I runs clear of sand silt and other impurities w not AT LEAST 9 FEET above the pump s flow desired inlet strainer either P Slowly open the valve In small inc4lments as the water clears until the valve is all the -or— t Lower the pump further down the wail Collapsed well 2 Throttle flack the discharge valve to decrease way open The pump should not be stopped until the water runs clear the.low thereby reudingdrawdown G If the water is clean and clear when the pump Is first started,the valve should still be Broken shalt or coupling Pull pump and inspect Replace as necessary opened until it is a4 the way open There are leeks In the PW the pump out of the well 7hp suction pipe valves and fittings must be fittings or piping made tight Repair any leaks and relighien all loose[lain s Page 5 le` Page 10