Service Manual Service Manual
Contents
1. oOo O JO O S O O JO O O O Lengths marked meet the NEC ampacity only for individual conductor 60 C cable in free air or water not in conduit Flat molded cable is considered to be jacketed cable This table is based on copper wire 65 0 D W rm m o m r m g Z 0 L D pa o a j a a L Oo 2 o O W l W 1 W l m a Oo 575V 60Hz Three Phase Three Wire AWG Copper Wire Size oC a a Pe 2 1 0 00 3860 3110 2560 1900 1540 1300 1060 790 Lengths marked meet the NEC ampacity only for individual conductor 60 C cable in free air or water not in conduit Flat molded cable is considered to be jacketed cable This table is based on copper wire 66 NOTES 67 NOTES 69 NOTES m 2 fe I a o W o o W a A A q addresses amp phone Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone2. Input Power As Required By Level Control 1 7 Ground Level poog Control l Y ra 9 Pressure Switch Lower Upper NOTE Electrode Check to be sure proper selection of pressure switch matched to system voltage has been made refer to catalog data Check that starter has ground Ground 20 Typical Wiring Diagrams To Fused Disconnect Or Circuit Breaker 3 vy Input Power As Required By Level Control La Ground a Lower Upper Furnas Electrode Magnetic Starter wy To Pump Motor Line Load Ground Pressure Switch 21 W Z D 2 a g D Q D D E Typical Wiring Typical Wiring Diagrams Diagrams Furnas Pumping Panel Pressure Switch amp B W Liquid Level Control To Fused Disconnect Or Circuit Breaker 36 To Fused Disconnect Or Circuit Breaker Furnas Pumping Panel 3h Input Power 2 Start Required By Level Control 3 L1 L2 L3 a 1 l2 3 Phase Starter Hand Off Auto o gt q G z Z a o g z z 7 l z a 7 Input Power As Required by i Control Start Hand Ground HHE Off Auto Lower Upper Electrode Level Control Furnas Pumping Panel Line Load Pressure Switch wy Ground fewer Upper Electrode Ground Pressu
3. Multiple tank installation illustrated NOTE Actual components and hook ups vary due to regional conditions local codes and practices and dealer preferences and practices RULE OF THUMB 1 High Capacity Subs larger than 25 gpm place check valve 1 pipe length above pump Pressure 2 Always use a check valve for Tanks every 200 ft of vertical pipe Pressure Switch Pressure Gauge NOTE Manifold on multiple tank installation should be 1 1 2 to 2 times size of supply pipe from pump SINALSAS IV IdAL Typical 3a Submersible System Large capacity tank system illustrated with compressor Ce RULE OF THUMB 1 Use same size or larger pipe as Starter discharge on pump 0 2 W Cy gt o l a 9 z SINALSAS TWIIdAL 2 Always use a check valve for every 200 ft of vertical pipe Air Compressor Pressure Switch NOTE Actual components and hook ups vary due to regional conditions local codes and dealer preferences and practices 6 O Z m O 2 L 0 W l m m e a Troubleshooting The following pages 8 through 13 cover trouble shooting of submersible pumps The use of an amprobe and ohmmeter are two essential items to properly check a system Use of the amprobe is explained on page 14 Use of the ohmmeter is explained on page 15 Find the basic problem for which numerous symptoms are listed and possible solutions are given for each Page
4. 5 00 GOULDS PUMPS ma wy ITT Industries Engineered for life Table of Contents This manual covers three phase submersible pumps motors and controls Page Submersibles Typical Systems 2 gcda4 sae Heck ya Go Vite deg 4 7 Troubleshooting 00 8 13 Amprobe Instructions 14 Ohmmeter Instructions 15 MeQGChi eine ie pied des bees ees 16 Insullation Resistance Ratings 17 A Wiring Diagrams 0 18 25 Pump Control Panels 26 31 Fuse TeSt t gies dadacdadd dadteabaes 32 Coil Checkout 0004 33 Contact Point Inspection 34 35 Starter and Heater Sizing Checkout 36 39 C Voltage Checkout 40 41 Current Checkout 42 43 E Motor Winding Resistance Checkout 44 45 E Electric Short Checkout 46 47 E Cable Checkout 48 49 E Disassembly 50 51 F Rotation 00 cece eee 52 53 G Unbalance 0 54 55 G Transformer Sizes 56 57 H Pressure Switch Checkout 58 Pressure Tank Checkout 60 61 Submersible Motor Cooling 62 63 Cable Selection Charts 64 66 D W a m e T 7 e 2 m 2 o y 2 w 0 gt o l ef z Typical 3g Submersible System
5. Name Plate V Current Checkout TABLE 4 Three Phase Motors Max Amps 75V 2 4 3 2 4 4 heey Using Amprobe 1 Set scale to highest amp range 2 Connect amprobe around lead as shown 3 Rotate scale to proper range and read value 4 Compare value with Table What It Means Currents above these values indicate system problems 43 TABLE 6 Motor Resistance 3 Motors Motor Winding Resistance Motor Only Ohms any 2 leads Resistance Checkout 9 5 10 4 38 4 41 6 1 Set the scale lever to R x 1 for values under 10 ohms For 7 24 7 84 27 8 30 2 values over 10 ohms set the scale lever to R x 10 Zero i 3 2 4 0 13 0 16 0 20 3 25 0 balance the ohmmeter as described earlier on page 15 i 2 4 3 0 9 7 12 0 15 1 18 7 1 8 2 2 7 0 8 7 10 9 13 6 WARNING 93 1 20 3 60 4 40 5 60 6 90 61 77 2 40 3 40 Open master breaker and disconnect all leads from starter to avoid damage to meter or electric 1 500 i 3 53 4 37 shock hazard Connect the ohmmeter leads as 1 500 2 17 2 68 3 65 4 41 3 500 1 76 2 17 2 87 3 47 shown below 3 500 1 07 1 32 1 70 2 10 3 500 76 94 1 22 1 52 2 Connect the ohmmeter leads as shown below 3 500 59 73 1 01 1 25 3 500 48 60 78 95 TABLE 5 Cable Resistance Copper 3 500 32 40 53 59 3 500 25 32 39 48 3 500 22 27 Paired Wire Resistance ohms per foot 0050 0032 0
6. T4 T2 T3 Motor Starter Supply a ee 2nd Hookup 3rd Hookup Li lo Lg Ly L2 L3 EREE ee oe K E SS For the best protection we recommend no more than a 5 current deviation from average current Current readings in amps should be checked on each leg using the three possible hookups RULE OF THUMB If the unbalance moves with the motor leads the unbalance is caused by the motor wet splice or damaged cable If the unbalance remains with the terminals the unbalance is in the power supply 54 Calculate percentage of current unbalance for all three hookups Example Hook Up 1 Hook Up 2 Hook Up 3 T 51 Amps T3 50 Amps T2 50 Amps T2 46 Amps T41 48 Amps T3 49 Amps T3 53 Amps T2 52 Amps T41 51 Amps Add up all three readings for hook up number 1 Ty 51 Amps Ta 46 Amps T3 53 Amps Total 150 Amps Divide the total by three to obtain the average 50 Amps Average 3 150 Amps Calculate the greatest amp difference from the average Could be greater than average 50 Amps 46 Amps 4 Amps Divide this difference by the average to obtain the percentage of unbalance 08 or 8 50 4 00 Amps Hook Up 1 8 Hook Up 2 4 Hook Up 3 2 Always use hook up with lowest current unbalance Loads on a transformer bank vary Readings should be taken at peak load period What It Means 1 Hook ups below 5 system balanced 2 Hook ups not below 5 if the unbalance moves with
7. The round center knob is for the purpose of adjusting the instrument to zero 0 after clipping the two Ohmmeter leads together This must be done every time the range selection is changed e 25 S S m m J 2 0 Pe g a o This instrument is used to measure insulation resistance to ground It consists of a crank turned magneto on the side of the case and will give very close readings calibrated directly in ohms It is cranked at a moderate rate of speed approximately 120 rpm until the pointer reaches a steady deflection 1 If the ohm value is normal the motor windings are not grounded and the cable insulation is not damaged 2 If the ohm value is below normal either the wind ings are grounded or the cable insullation is dam aged Check the cable at the well seal as the insul lation is sometimes damaged by being pinched 16 Insulation Resistance Ratings Condition of Motor and Leads A new motor without drop cable A used motor which can be reinstalled in the well MOTOR IN WELL Ohm readings are for drop cable plus motor A new motor in the well A motor in the well in reasonably good condition A motor which has been damaged by lightening or with damaged leads Do not pull the pump for this reason A motor which definately has been damaged or with damaged cable The pump should be pulled and repairs made to the cable or the motor replaced The motor will
8. on zero WARNING Open turn off master breaker or disconnect all leads from starter CB lid to avoid damage to meter or electric shock hazard 2 Connect an ohmmeter lead to any one of the motor leads and the other to the metal drop pipe If the drop pipe is plastic connect the ohmmeter lead to the metal well casing or ground wire Table 7 Normal Ohm and Megohm Values Insulation Resistance Between All Leads and Ground Insulation resistance does not vary with rating All motors of all HP voltage and phase rating have similar values of insulation resistance Condition of Motor and Leads Ohm Megohm Value Value A new motor without drop cable 20 000 000 20 0 or more A used motor which can be 10 000 000 10 0 reinstalled in the well or more Motor in Well Ohm readings are for drop cable plus motor A new motor in the well 2 000 000 2 0 or more A motor in the well in reasonably 500 000 0 5 2 0 good condition 2 000 000 A motor which may have been 20 000 0 02 0 5 damaged by lightning or with 500 000 damaged leads Do not pull the pump for this reason A motor which definitely has been 10 000 0 01 0 02 damaged or with damaged cable 20 000 The pump should be pulled and repairs made to the cable or the motor replaced The motor will not fail for this reason alone but it will probably not operate for long A motor which has failed or with less than 0 0 01 co
9. 020 0013 0008 0005 0003 0002 00015 What It Means 00013 1 If all ohm values are normal the motor windings are 00010 neither shorted nor open 2 If any one ohm value is less than normal the motor is shorted If aluminum cable is 3 If any one ohm value is greater than normal the winding or used the readings Wee the cable is open or there is a poor cable joint or connection will be higher Divide the ohm readings on this chart by 0 61 to determine the actual resistance of aluminum cable Size Cable 10 000 256 283 10 000 188 207 10 000 148 163 10 000 110 121 10 000 076 084 10 000 057 063 10 000 049 054 10 000 045 050 067 074 10 000 038 042 060 066 E m Z x O W ra E Ps 2 a 6 2 0 ra M p N 2 g A 5 S i x O z E O Q A 2 fa u Winding Resistance Measuring When measured as shown on page 44 motor resistance only should fall within the values in Table 6 When measured through the drop cable the size and length of the cable must be known and the correct cable resistance from Table 6 subtracted from the ohmmeter reading to get the winding resistance for comparison with Table 6 44 45 9 x S W L S a O L 0 l a 9 aa S W W W Electrical Short Checkout Measuring Insulation Resistance 1 Set the scale lever to R x 100K R x 100 000 and set the ohmmeter
10. E Pump Will Not Start 9 E Pump Will Not Run 10 E Pump Runs But 11 E Reduced Capacity or Insufficient Tank Pressure 12 E Pump Starts Too Frequently 13 RULE OF THUMB Remember there may be other system problems caused by auxiliary controls not covered in this booklet Troubleshooting Pump Will Not Start If fuses and heaters check ok PROBLEM ANSWER 1 No power or For detailed checking incorrect voltage procedure see C pages 40 41 2 Defective pressure Inspect switch and switch or control or control replace device if necessary 3 Defective or loose For detailed checking connection in starter procedure see E cable or motor pages 46 48 Condition causes improper resistance reading 4 Magnetic For detailed checking starter procedure see B malfunction pages 26 39 0 0 Cc e m m p L Oo is 2 O g m Oo 2 L 0 W m e a Troubleshooting Pump Will Not Run If motor overload trips or fuses blow PROBLEM Improper size fuses circuit breakers or heaters ANSWER See checking procedure B pages 32 39 2 Incorrect voltage See C pages 40 41 3 Phase loss or See G pages 54 55 unbalance 4 Incorrect See B for sizing starter size information pages 36 39 5 Defective or loose See E pages 44 49 connectio
11. Fax Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone Fax 70 addresses amp phone Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone Fax Company Contact Address City State Zip Phone Fax 71 gt 0 0 Pe m N g m o v I fe 2 m Goulds Pumps K ITT Industries Engineered for life Form No GS3 Copyright 1999 Goulds Pumps ITT Industries
12. H K29 16AE K26 CSDD CSDA CSDC CSBE 20 WARPO vool WOOD NAN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 1 1 1 1 continued next page 37 a z5 gt m pe z 2 7 0 z5 m 5 ie TABLE 2 6 Three Phase Submersible Motors TABLE 3 _ 8 Three Phase Submersible Motors Furnas Class 16 ESP 100 Fuse Size Starter Starter Starter Circ bkr Dual Size Heaters Size No or std Ele GH K77 3 HSKH 175 70 K83 3 HSKH 200 90 K86 3 ISLH 225 100 K89 3 ISLH 300 125 K93 4 JTMH 400 175 K33 600 250 K28 me NA 450 200 K33 wa NA 700 300 K31 700 300 K26 wa NA 800 350 K32 600 300 Furnas Class 16 ESP 100 Fuse Size Starter Starter Starter Circ bkr Dual Size Heaters Size No Ele DD K61 1 DSFD 25 K60 1 DSFG 20 BH K49 0 CSDH 10 BE K41 0 CSDE 8 1 1 1 K68 DSFD 30 K67 DSFG 30 K55 DSEH 15 K52 1 DSEE K72 1 ESGD K70 ESGG K58 DSEH K55 DSEE K76 GSJD K75 FSHG gee K64 ESFH Call Texas Turbine Division K61 ESFE 806 743 5700 Ask for Technical Assistance Note FURNAS ESP100 starters with heaterless overloads include ambient compensated o I and single phase protection TOLL FREE ACTION NUMBER Answers to your installation questions on submersible pump motors are as close as
13. age do not exceed maximum allowable system pressure Check switch operation after re setting RULE OF THUMB Check to be sure proper selection of pressure switch matched to system voltage has been made refer to catalog data SQUARE D FURNAS A HE p lt 1 MAIN SPRING ADJUSTMENT Turn clockwise to increase both Cut Out and Cut In pressure 2 psi turn DIFFERENTIAL ADJUSTMENT Turn differential nut clockwise to increase Cut Out pressure without affecting Cut In 3 psi turn To avoid damage do not exceed maximum allowable system pressure Check switch operation after re setting 59 Ww a QO my Oo Oo a a e X S Ww S x a W aa i 0H W a a Pressure Tank Checkout Procedure To check Shut off power supply and fully drain system to 0 pressure There should be no water left in the tank s RULE OF THUMB If water at air valve replace tank 60 Air pre charge in top of pre pressurized air tanks should be 2 psi less than the cut in pressure of the pressure switch Example If pressure switch setting is 30 50 psi tank should be pre charged with 28 lbs air when empty of all water and pump turned off Pressure Switch Pressure Gauge In multiple tank installations the pressure switch can be located between the start and toward the center of the piping manifold The switch must be located no further away from the sta
14. ance data 11 Pe 0 W rm m 0 L e 0 2 O Z e 2 L 0 W l m m e a Troubleshooting Reduced Capacity or Insufficient Pressure PROBLEM 1 Incorrect voltage ANSWER See C pages 40 41 See F pages 52 53 See H pages 58 2 Incorrect pump rotation 3 Improper pressure switch setting 4 Excessive pump wear Inspect and replace if necessary 5 Leaks in piping system Inspect and replace if necessary 6 Incorrect pump See catalog performance data Franklin Electric Maximum Starts Per 24 Hour Day Maximum starts Per 24 Hr Day Motor Ratings Three Phase Up to HP 1 HP 5 HP Single Phase 40 HP and over rs 12 Troubleshooting Pump Starts Too Frequently If motor overload trips or fuses blow PROBLEM ANSWER 1 Waterlogged tank a Standard galvanized b Pneumatic c Pressurized type type Check tank for leaks Check drain and Y fittings snifter valve for proper operation Check compressor and controller for proper operation See I pages 60 61 2 Check valve Inspect and replace stuck open if necessary 3 Improper pressure See H pages 58 switch setting 4 Leaks in Inspect and replace piping system if necessary 5 Improper tank precharge Precharge tank at 2 Ibs less than pressure switch cut in 6 Pressure tank Must be sized to allow improperly s
15. eter Set at RX 100K Attach this Lead to Metal Tank LNOHNIDAHI J 14V9 4 Pump Disassembly Some disassembly procedures differ between Series E and Series GS newer 1 Remove discharge head and casing Remove 4 screws in cable guard remove cable guard and set aside On GS reinstall the two top screws Remove the discharge head and casing as one assembly the threads are left hand On E you can remove the discharge head and casing as one piece by reinstalling the two top screws or you can remove them as separate pieces The E threads are right hand GS shown GS Left hand Thread Series E Right hand Thread vise otherwise lay pump on floor to loosen exposing the stacked bowls remove with screwdriver Series GS Remove Klip Ring with screwdriver 50 Place the unit in a vertical position if you have a pump With two wrenches one placed on the motor adapter and the other on the discharge head unscrew the cast ing at the motor adapter It should then lift off readily Series E If snap ring is provided on end of shaft remove with snap ring pliers If Klip Ring is provided The complete stages consisting of bowl impeller and diffuser may be lifted off the shaft one at a time and the respective parts disassembled for inspection and or renewal Remove nuts holding the motor adapter to the motor and remove the motor adapter Remove shaft sleeve Remove pum
16. ized a minimum of run time per cycle See rule of thumb below RULE OF THUMB For pumps 1 5 hp and smaller allow a minimum of one minute run time per cycle For pumps 2 hp and larger allow a minimum of two minutes run time per cycle See table page 12 13 Pe 0 W m a L 0 0 2 p 2 2 S oe y z W m O a a 2 a Amprobe Instructions The Amprobe is a multi range combination ammeter and voltmeter 1 Voltmeter Scales 150 VOLTS 600 VOLTS 2 Ammeter Scales 5 AMPS 40 AMPS 15AMPS 100 AMPS When used as an ammeter the tongs are placed around the wire being measured with the rotary scale on the 100 amp range Then rotate the scale back to the smaller ranges until an exact reading is indicated When used as a voltmeter the two leads are clipped into the bottom of the instrument with the rotary scale on the 600 volt range If the reading is less than 150 volts rotate the scale to the 150 volt range to get a more exact reading Ohmmeter Instructions The Ohmmeter is used for measuring the electrical resistance of a wire circuit The unit of measurement is called an Ohm 1 The knob at the bottom of the Ohmmeter is adjustable through six ranges RX Rx 1 RXo R x 10 If your ohmmeter RXi00 R x 100 is digital readout RXio00 R x 1 000 type refer to the RXiox R x 10 000 instructions that RXio0x R x 100 000 came with it 2
17. mpletely destroyed cable 10 000 insulation The pump must be pulled and the cable repaired or the motor replaced What It Means 1 If the ohm value is normal the motor windings are not grounded and the cable insulation is not damaged 2 If the ohm value is below normal either the windings are grounded or the cable insulation is damaged Check the cable at the well seal as the insulation is sometimes damaged by being pinched 47 m m r m 0 j 0O D f L e Pe j 0 a5 m 0 A e a x S W L 0 W m m S k E Cable Checkout Checking Cable and Splice 1 48 Submerge cable and splice in steel barrel of water with both ends out of water Set ohmmeter selector on Rx100K and adjust needle to zero 0 by clipping ohmmeter leads together After adjusting ohmmeter clip one ohmmeter lead to barrel and the other to each cable lead individually as shown If the needle deflects toward zero 0 on any of the cable leads pull the splice up out of the water If the needle falls back to ce no reading the leak is in the splice If leak is not in the splice pull the cable out of the water slowly until needle falls back no read ing When the needle falls back the leak is at that point If the cable or splice is bad it should be repaired with waterproof electrical tape or replaced Checking Cable and Splice Test Ohmm
18. not fail for this reason alone but it will probably not operate for long A motor which has failed or with completely destroyed cable insula tion The pump must be pulled and the cable repaired or the motor replaced Ohm Value 20 000 000 or more 10 000 000 or more 2 000 000 or more 500 000 2 000 000 20 000 5000 000 less than 10 000 17 2 z z O 2 0 m o a D 2 O m 3 2 G a WIRING DIAGRAMS d Typical Wiring Diagrams Magnetic Starter amp Pressure Switch To Fused Disconnect Or Circuit Breaker 30 Furnas Magnetic Starter sar Ground To Pump Motor j s Pressure Switch Reqires class 10 quick trip k heaters overloads or adjustable class 10 over loads as in ESP100 s NOTE Check to be sure proper selection of pressure switch matched to system voltage has been made refer to catalog data Check that starter has ground 18 Typical Wiring Diagrams To Fused Disconnect Or Circuit Breaker 3 wy Furnas Magnetic Starter Line Load wv To Pump Motor Ground Pressure Switch RULE OF THUMB Check that starter has ground 19 W Z J 2 a g D Q D D E WIRING DIAGRAMS d Typical Wiring Diagrams Magnetic Starter Pressure Switch amp B W Liquid Level Control To Fused Disconnect Or Circuit Breaker 30 Furnas Magnetic Starter
19. ns in Condition causes starter cable or improper resistance motor readings 6 Defective pressure Inspect switch and or switch or control replace if control device necessary 7 Cable insulation splice See E pages 48 49 or motor defective Condition causes improper resistance readings 8 Defective starter See B pages 36 39 9 Pump bound by Pull pump and clean abrasives debris See D pages 42 43 Condition causes high amperage 10 Inadequate motor See J pages 62 63 cooling Troubleshooting Pump Runs But Little or no water delivered PROBLEM ANSWER 1 Incorrect pump rotation See F pages 52 53 2 Line check valve stuck Inspect and replace or installed backwards if necessary 3 Defective or loose Inspect connections connections in starter 4 Incorrect voltage See C pages 40 41 5 Pump not sufficiently Check water level submerged air bound in well 6 Leak in piping Inspect and replace system if necessary 7 Suction screen or Pull pump and clean impellers clogged 8 Broken pump shaft Pull pump and inspect or coupling 9 Air trapped under Pump must be sub check valve air bound merged a minimum of 10 10 Gases in well Start and stop pump several times If this does not remedy conditions well may contain too much gas for pump to operate properly 11 Worn pump or motor Inspect and replace if necessary 12 Incorrect pump See catalog perform
20. p shaft and coupling assembly Do not try to remove the coupling from the pump shaft Note to identify an E series model number look on the OD of bottom motor adapter flange 180 from cutout for motor leads All pumps were stamped with water end model number ex 7EHO5 or 18E15 To cross to GS simply replace the E_ with GS ex 7EHO5 7GS05 18E15 18GS15 On gaseous wells using GS Rather than trying to remove the check valve we suggest you drill a 3 16 hole in it and install a line check one pipe joint above the pump For other disassembly detail see instruction manual Series GS has built in check valve 51 A z j E e a i F Rotation Correct rotation is a must on all 30 installations Rotation can be checked by one of these three ways VISUAL 1 1 Connect 3 motor leads to starter run unit at open discharge 2 Switch any 2 leads and again run unit at open discharge 3 Largest quantity of water indicates correct rotation VISUAL 2 Remove water end from meter Run motor and observe rotation PRESSURE 1 Connect 3 motor leads to starter Run unit against closed discharge take maximum pressure reading 2 Switch any 2 leads and again run unit against closed discharge Take maximum pressure reading 3 Highest pressure reading indicates correct rotation 53 T y Q z O 2 W O 2 g q a 2 o L2 L3 Supply I L TOT
21. re Switch NOTE Check to be sure proper selection of pressure switch matched to system voltage has been made refer to catalog data 22 23 vu 2 q s O q QO oO z a z ci Typical Wiring Diagrams Subtrol amp Pressure Switch To Fused Disconnect Or Circuit Breaker 30 Furnas Pumping Panel 2 3 L1 L2 L3 1 L2 3 Phase Starter Hand Off Auto Ground Pressure Switch NOTE Check to be sure proper selection of pressure switch matched to system voltage has been made refer to catalog data 24 Typical Wiring Diagrams To Fused Disconnect Or Circuit Breaker 3p Subtrol Panel Pressure Switch 25 gt z J 2 O z gt Q 0 gt S 0 Pump Control Panels Combination Magnetic Starter Furnas 1 Disconnect switch 2 H O A switch 3 Start switch 4 Magnetic starter 5 Solid state motor protection device The portion of the total cable which is between the service entrance and a 30 motor starter should not exceed 25 of the total maximum length of cable used to assure reliable starter operation 26 27 Pump Protection Devices Subtrol Plus Receiver heiii Emririr 1 Subtrol Plus receiver programmed to match motor rating 2 Control fuse block with fuse 3 Class K 5 dual element type fuse clips with built in fuse puller 4 Subtrol sensor coils 28 29 Pump Control Panels AWA503 Duple
22. reaker or discon nect all leads from starter CB lid to avoid damage to meter or electric shock hazard 1 Remove contact point cover as shown 2 Visually inspect all contact points 3 Replace if necessary What It Means Burned welded or misaligned contacts may cause starter malfunction 34 What It Means Burned welded or misaligned contacts may cause starter malfunction 35 E 5 X 8 W 3 oO 2 N o fad q W I w Starter amp Heater Sizing Checkout 1 Check for correct starter and heater size refer ring to starter and heater selection chart 2 Double check to see that all three heaters are of the same size and installed properly and are tight 3 Push the reset button listen for click 4 If overload was tripped investigate the cause What It Means Improper starter and heater sizing provides inadequate overload protection that may lead to motor failure or nuisance tripping Furnas Starter amp Quick Trip Heater Selection TABLE 1 4 Three Phase Submersible Motors Furnas Class 16 ESP 100 Fuse Size Starter Size Heaters Starter Starter Size No Circ bkr or std Dual Ele 16AD K29 16AG K28 16AH K21 CSBD CSBA CSBC 10 8 4 16AD K34 16AG K32 16AH K23 CSBD CSBA CSBC 12 11 5 16AD K37 16AG K34 16AH K26 CSDD CSDA CSBC 14 12 16AD K42 16AG K39 16A
23. rt of the piping manifold than the mid point 61 v ps m 4 p pe m j D 2 A 0 an m 0 A Oo Uv pr oO 0 m 0 e m Submersible Submersible Motor Cooling Motor Cooling A flow inducer sleeve should always be used when the pump is in a large body of water Make sure that such an installation is grounded When the pump is below any screen openings or below the bottom of the casing a top feeding well condition can exist which reduces the rate of cooling water flow past the motor If the flow rate is less than specified a flow inducer sleeve is needed Table 9 Required Cooling Flow Minimum GPM required for motor cooling in water up to 86 F 30 C 4 high Inches thrust motor 6 motor 8 motor casing or 25 ft sec 5 ft sec 5 ft sec sleeve I D GPM GPM GPM A flow inducer sleeve is a tube over the motor closed off above the pump intake and extended to the bottom of the motor or lower The sleeve material is corrosion resistant metal or heavy plastic 62 63 a j a q L Oo 2 o j S W l W 1 W l m a Oo 200V 60Hz Three Phase Three Wire AWG Copper Wire Size 14 12 10 8 6 4 3 2 1 460V 60Hz Three Phase Three Wire AWG Copper Wire Size HP 14 12 10 8 6 4 3 2 1 QO 00
24. the motor leads the unbalance is caused by the motor wet splice or damaged cable Check the motor on pages 44 45 If the unbalance remains with the terminals the unbalance is in the power supply contact power company 55 O 2 5 D 5 2 O m 0 LL N a a w 2 a e i p 2 a o e Transformer Sizes A full three phase supply is recommended for all three phase motors consisting of three individual transformers or one three phase transformer Open delta or wye connections using only two transformers can be used but are more likely to cause problems from current unbalance Transformer ratings should be no smaller than listed in the table for supply power to the motor alone Transformer Capacity Required TABLE 8 for Submersible Motors Smallest KVA Rating Submersible Total Each Transformer 3 Motor 3 Motor WYE HP Rating HP Rating Open WYE Delta 3 Transformers Transformers 1 5 2 3 5 75 10 15 20 25 30 40 50 60 75 100 125 150 175 200 D Pe D 2 e TI 0 Pe S m Pe o N m o Pressure Switch Adjustment Checkout Adjust in proper Sequence 1 CUT IN Turn range nut down for higher cut in pressure or up for lower cut in 2 CUT OUT Turn differential nut down for higher cut out pressure or up for lower cut out Note Adjustment to range cut in nut will also change cut out pressure To avoid dam
25. x alternator panel may be used to alternate two submersible or centrifugal pumps 1 Use one switch for a simple alternating system 2 Use two switches when the system is required to A Alternate two pumps B Start the second pump in the event the first pump cannot meet the system demand Auxiliary contacts allow the operation of one or two chemical feed pumps such as chlorine or ozone injectors 30 1 2 3 4 5 6 7 8 NEMA 1 enclosure Two hand off auto switches Two pump run lamps Time delay Alternator circuit 120 VAC control circuit transformer Relay Terminals blocks for external wiring connections 31 Fuse Checkout 1 Set Rx 1 2 Connect leads as shown 3 Reading Should register zero What It Means Zero reading indicates fuse OK Infinity co reading indicates bad fuse 32 Coil Checkout WARNING Open master breaker and disconnect all leads from starter to avoid damage to meter or electric shock hazard Connect the ohmmeter leads as shown above Coil with Ohmmeter 1 Set R x 100 2 Connect leads as shown 3 Reading Should register some value Approx 200 1000 ohms What It Means Infinity reading indicates coil is open Zero reading indicates coil is shorted In either case the coil should be replaced A reading of 200 1000 ohms indicates coil is ok 33 Contact Point Inspection WARNING Open turn off master b
26. your telephone A Franklin submersible motor expert will handle your motor application inquires right away and it s toll free Franklin Electric SERVICE HOTLINE 800 348 2420 Also for Indiana 38 39 Voltage Checkout 3e Starter Checking Voltage at Fused Disconnect and Magnetic Starter WARNING Power is ON during voltage checking 1 To check voltage Use voltmeter on L1 L2 and L3 in sequence Check should be made at four locations Step 1 Checking incoming power supply Step 2 Checking fuses Step 3 Checking contact points Step 4 Checking heaters 2 When checking voltage all other major electrical appliances that could be in use at the same time should be running 3 If incoming power supply readings are not within the limits see chart call your power supplier ja 5 g j a 2 f g O m Y O a A W a L Oo 7 3 ad i gt J m QO Pa Voltage Limits Measured Volts Min Max 208V 30 188 228 230V 30 207 253 460V 30 414 506 TT 575V 30 518 632 Ae Incoming power should be within 5 of NOTE Phase to phase full line voltage power supply voltage Motors are rated Phase to neutral full line voltage 10 of nameplate The other 5 is depending on transformer connection used for cable voltage drop 40 41
Download Pdf Manuals
Related Search