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' Tr"6iableshooking Installation Procedures Fuses Blow or Heaters Trip 3. Electrical Connections POSSIBLE CAUSE CHECK THIS BY CORRECT THIS BY Improper voltage Check the voltage at the control box or It the vottaga varies try more than 10%(+or l panel ) contact the power company It the Incoming voltage is OK check the Rewire with correct gauge undersized wire t wire size and the distance between the and a great distance between the control pump motor and the pump control panel panel and the pump motor Increases resistance and decreases the voltage by the 4,l time It reaches the pump motor _ The starter overloads are Cycle the pump and measure the Increase the heater size or adjust the trip set too low amperage setting Do not however exceed the " recommended rating (3-phase motors only) Check the current draw on each lead to The current draw on each lead must be Verification of the electrical supply should be made to ensure the voltage, phase and The three-phase current Is the motor within 5%of each other(+or ) If they an) Imbelanced not check the wiring frequency match that of the motor Motor electrical data can be found on page 6 If voltage The wiring or connections Check to make sure the wiring is correct Tighten any loose terminals and replace any variations are larger than t 10%, do not operate the pump Single phase motor control are faulty and there are no loose terminals damaged wire boxes should be connected as shown on the wiring diagram mounted on the inside cover of {i-phase motors onty) Turn off the power and discharge the when the meter Is connected to the capacitor the control box supplied with the motor The e o pump Capacitor Is detective capacitor Check the capacitor with an the needte should)ump toward 0(zero)ohms pp type f wire used between the um control ohmmeter(set at R x 100k) See page 15 end then slowly drift bade to Infinity(y) Reptaw boxes should be approved for submersible pump application The conductor Insulation for Instructions capacitor Iitisdetective should be type RW, RUW,TW or equivalent Fuse,heater,or starter are Check the iuses and heaters agalnat the Replace as necessary the wrong size motor manufacturers specification charts The control box location is Touch the two with your trate hand during the Shade ventilate or move the control box so A high-voltage surge arrestor should be used to protect the motor against lightning and toe hot hottest pan of the day t without burning you should be able Its environment does oat exceed 120°F b keep your Ticlid on a switching surges Lightning voltage surges in power lines are caused when lightning strikes 11 phase motors only) Check requirements for the motor against Replace as necessary somewhere in the area Switching surges are caused by the opening and closing of Wrong control box the control box spaiilcations switches on the main high voltage distribution power lines Defective pressure switch Watch gauges as pressure switch Replace as necessary operates The motor is shorted or Turn cif the power and disconnect the wiring If you find an open or grounded windin The correct voltage rated surge arrestor should be Installed on the supply(line)side of the grounded Measure the Wad-to lead resistance with an remove the motor and recheck the leads It control box or starter(See Figure 3a&3b) The arrestor must be grounded in accordance ohmmeter(set to R x 1l Measure the lead OK check the leads for contlnuity,and for with the Natrona! Electric Code and iota{ to-ground values with an ohnvnetsr(sat to R bad splice governing regulations g g g x 10019 or a megachmmelar Compare ff W measurements to the rated values for motorotor PUMPS SHOULD NEVER BE STAR'T'ED UNLESS THE PUMP IS TOTALLY Poor motor cooling Find the internal diameter of the well Throttle up the pump flow(GPM)so proper SUBMERGED SEVERE DAMAGE MAY BE CAUSED TO THE PUMP AND MOTOR IF casing(or sleeve,d used) cooling Is possible THEY ARE RUN DRY For y m proper coolfng the flow of water must -or- not rte leers than the GPM shown Pull the pump out of the well and add a The Control box shall be permanently rounded accordance with the National Electric across the bottom scale on page_ siaeve with a smaller Internal diameter Code and local governing codes or regulations The ground wire should be a bare stranded capper conductor at least the same size as the drop cable wire size Ground wire should be Pum Cycles TOO Often as short a distance as possible and securely fastened to a true grounding point True Pump y grounding points are considered to be a grounding rod driven into the water strata, steel POSSIBLE CAUSE CHECK THIS BY_ CORRECT THIS BY well casing submerged into the water lower than the pump setting level, and steel discharge The pressure switch Is Check the pressure setting on the switch Readjust the pressure switch or replace it 0 pipes without insulating couplings If plastic discharge pipe and well casing are used, a detective or is not properly Check the voltage across dosed contacts defective properly sized bare copper wire should be connected to a stud on the motor and run to tete adjusted control panel Do not ground to a gas supply line Connect the grounding wire to the ground The tank is too small Check the tank size and amount of air In Replace the tank with one that Is the correct the tank.The tank volume should be size point first,then to the termlanl in the control box approximately 10 gallons for each Gallon Per Minute of pump capacity At the pump cut in prose-,,. the tank should be about Single Phase Hookup Three Phase Hookup 213 filled with air There is Insufficient air Pump ak Into the tank or ie Phase Three-phase povve supply 5sn d echanter Repair as necessary charging of the tank or Check the diaphragm for teaks Check the tank Single piping is leaking and prping for leaks with soapy water Check Power Supply the air tD*ater ratio in the tank L1 t2 1.3 H„p plugged snHtar valla or b Exam no them for dirt or erosion Repair or replace as necessary pquX° P.r oilce(causing pprrBes89surs �w tank to be waterlogged) L5 N Ground Leak In the pressure tank Appry soapy water to pipes and tank then Repajr or replace as necessary LCOMM AMMER rare or piping watch for rubbles Indicating leaks 0 0 �,e The levef control Is Check the setting and operation of the Readjust the level control setting(according - G ounding vi p 12 �P s-'W defective or Is not property level control to the manufacturers Instructions)or replace Past set It jI defective TW Pump Is oversized toy the Check the yield of the wall(determined by Reduce the flow by throttling back the valva Arrester rp� rrw� application It Is outpumping the welt teat)against the pump a _or_ rb�a Ww the yield of the watt and performance curve R�mpft ttseft dry Change the pump9 Figure 3a Figure 36 g page 11 Page 4 Tr 0 0