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CPS-Pumps CST Series, Инструкция по установке, эксплуатации и обслуживанию

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IOM Manual:  IOM-0000-CST 

Series CST:  Submersible Turbine 

01/01/2018 - Edition 1A

Table of Contents

4

  ...............

INTRODUCTION

4

  ...............

SAFETY CONSIDERATIONS

5

  ...............

PUMP IDENTIFICATION

5

 ...............

MANUFACTURER

5

 ...............

TYPE OF PUMP

5

 ...............

DATE OF MANUFACTURE

5

 ...............

INSTALLATION, OPERATION & MAINTENANCE MANUAL IDENTIFICATION

6

  ...............

GENERAL INSTRUCTIONS

6

  ...............

HANDLING AND TRANSPORT

6

 ...............

METHOD OF TRANSPORT

6

 ...............

STORAGE

7

  ...............

INSTALLATION & ALIGNMENT

7

 ...............

PREPARATION

8

 ...............

RECEIVING THE PUMP

8

  ...............

ELECTRICAL  

CONSIDERATIONS

9

 ...............

PROVIDING A PROPER POWER SUPPLY

9

 ...............

SELECTING AND INSTALLING A PROPER MOTOR CONTROL SYSTEM

9

 ...............

SELECTING THE PROPER DROP CABLE

9

 ...............

MAKING THE SPLICE BETWEEN THE MOTOR LEADS AND THE DROP 

CABLE

9

 ...............

PROPERLY GROUNDING THE UNIT

9

 ...............

SELECTING AND INSTALLING AUXILIARY EQUIPMENT

10

 ...............

PRE-INSTALLATION MOTOR AND DROP CABLE CHECKS AND 

PREPARATION

10

 ...............

MOTOR SERVICING 

10

 ...............

ATTACHING THE MOTOR TO THE PUMP 

10

 ...............

TESTING BEFORE SPLICING DROP CABLE TO MOTOR LEADS 

10

 ...............

MOTOR TESTS

10

 ...............

DROP CABLE TESTS 

10

 ...............

SPLICING DROP CABLE TO MOTOR LEADS 

10

 ...............

TESTING AFTER SPLICING DROP CABLE TO MOTOR LEADS 

11

  ...............

 INSTALLING THE PUMP

13

 ...............

ROUTINE OPERATION AND MAINTENANCE

13

 ...............

ROUTINE INSPECTIONS 

13

 ...............

ROUTINE TESTING 

14

 ...............

PERFORMANCE TESTING 

18

  ...............

ELECTRICAL TESTS

18

 ...............

MEASURING INSULATION RESISTANCE (GROUND TEST) 

20

 ...............

MEASURING RESISTANCE BETWEEN LEADS (MOTOR WINDING RESIS-

TANCE) 

22

  ...............

ASSEMBLY OF PUMP AND  

MOTOR

23

  ...............

UPTHRUST ADJUSTMENT

Содержание CST Series

Страница 1: ... com IOM Manual IOM 0000 CST Series CST Submersible Turbine 01 01 2018 Edition 1A Installation Operation Maintenance Manual For Series CST Submersible Turbine Pumps IOM 0000 CST IOM 0000 CST Copyright 2018 CPS Pumps ...

Страница 2: ... PROPER DROP CABLE 9 MAKING THE SPLICE BETWEEN THE MOTOR LEADS AND THE DROP CABLE 9 PROPERLY GROUNDING THE UNIT 9 SELECTING AND INSTALLING AUXILIARY EQUIPMENT 10 PRE INSTALLATION MOTOR AND DROP CABLE CHECKS AND PREPARATION 10 MOTOR SERVICING 10 ATTACHING THE MOTOR TO THE PUMP 10 TESTING BEFORE SPLICING DROP CABLE TO MOTOR LEADS 10 MOTOR TESTS 10 DROP CABLE TESTS 10 SPLICING DROP CABLE TO MOTOR LEA...

Страница 3: ...CST Submersible Turbine 01 01 2018 Edition 1A www cps pumps com 23 PUMPS WITH 4 AND 6 MOTORS 24 PUMPS WITH 8 MOTORS 24 PUMPS WITH 6 8 10 12 14 AND 16 MOTORS OPEN BEARING STYLE 24 RECOMMENDED SPARE PARTS 26 SUBMERSIBLE TURBINE BOWL ASSEMBLY ...

Страница 4: ...rime flooded system Significant damage can occur to the unit if even run for a short time period without a fully filled casing assembly Never operate the pump s for more than a short interval with the discharge valve closed The length of the interval depends on several factors including the nature of the fluid pumped and it s temperature Contact CPS Pumps Engineering for addi tional support if req...

Страница 5: ...ity materials are used in the construction of our pumps and that machining and assembly are carried out to the highest standards The pumps are guaranteed against defective materials and or faulty craftsmanship for a period of twelve 12 months from the date of startup or eighteen 18 months from shipment whichever occurs first Replacement of parts or of the pump itself can only be carried out after ...

Страница 6: ... feet second It is important to exercise extreme care in handling and install ing all parts Certain items are precision machined for proper alignment and if dropped banged sprung or mistreated in any way misalignment and malfunction will result Other compo nents such as the electrical cable may be vulnerable to goug ing or scuffing Parts which are too heavy to be lifted from the transporting car o...

Страница 7: ...overing cover the unit with a tarp or other suitable covering LONG TERM STORAGE Long term storage is defined as more than two months but less than 12 months The procedure CPS Pumps follows for long term storage of pumps is given below These procedures are in addition to the short term procedure above Solid wood skids are utilized Holes are drilled in the skid to accommodate the anchor bolt holes i...

Страница 8: ...o CPS Pumps or your local factory rep resentative immediately If facilities are not available for lifting the materials off the car rier s vehicle use skids for unloading rather than allowing the parts to drop to the ground Even though a pump is made up of heavy steel parts it is a piece of machinery and it is essential that its parts be handled with care It is extremely easy to dam age shafting t...

Страница 9: ...anual The warranty can be voided by the use of an improper control system SELECTING THE PROPER DROP CABLE Submersible pump drop cable is a special waterproof heavily in sulated cable made especially for this use The cable size is based on the motor horsepower and voltage and the distance from the motor to the control panel Cable size selection charts are given in the motor manual Failure to use th...

Страница 10: ...ure the resistance of the motor windings See Section ELECTRICAL TESTS on page 18 Record the values for future reference If possible give the motor pump unit a short ap Ground the unit when testing Failure to ground the unit properly can result in serious or fatal shock Also the high starting torque of the motor will cause it to kick when power is applied The unit should be restrained sufficiently ...

Страница 11: ... pipe separately A special elevator or clamp may be required to hold the pump motor assembly in place while the first piece of column is being screwed into the pump discharge For very large units or extremely long units where the pump and motor have not been assembled it may be desirable to lift the pump and motor separately and assemble the motor to the pump in the vertical posi tion See ASSEMBLY...

Страница 12: ...e is used be sure that it is aligned properly and that it is not damaged Install the discharge elbow mounting bolts Before connecting the drop cable to the control panel Take a resistance reading between the drop cable conductors and ground to assure that the insulation on the cable or splice was not damaged during installation See ELECTRICAL TESTS on page 18 Measure the resistance of the drop cab...

Страница 13: ...well will run for a long period of time with a minimum of attention How ever conditions are not always ideal and can change for the worse in the course of time Submersible pumps usually run unattended and automatic control devices are used to stop and start the unit and to protect it from abnormal conditions such as overloads line faults etc It is important that these automatic devices be adjusted...

Страница 14: ... Q flow in gallons minute H total head in feet SG Specific Gravity Power Input HP KW input x 1 34 Wire to Water Pump Output HP Efficiency Pump Input HP The pump output horsepower is a measure of pump perfor mance Over the lifetime of the pump the output horsepower will decrease due to wear By comparing output horsepower readings taken over a period of time the rate and degree of wear of the pump c...

Страница 15: ...Incorrect direction of rotation Impeller plugged impeller partially blocked by debris Air leak in discharge line Insufficient Net Positive Suction Pressure Available NPSHA Damaged impeller Defective packing Inlet pipe not submerged enough Impeller diameter too small Obstruction in water passageways Entrained air or gas in liquid Discharge head lower than previously thought Specific gravity of liqu...

Страница 16: ... 1 4 Entrained gas from process Process generated gases may require larger pumps 1 5 Speed too low Check motor speed against design speed 1 6 Direction of rotation wrong After confirming wrong rotation reverse any two of three leads on a three phase motor The pump should be disassembled and inspected before it is restarted 1 7 Impeller too small Replace with proper diameter impeller NOTE Increasin...

Страница 17: ...0 Item 1 1 4 2 Entrained air Air leak from atmosphere on suction side Refer to recommended remedy under Problem 1 0 Item 1 1 Problem 5 0 Excessive noise from wet end 5 1 Cavitation insufficient NPSH avail able Refer to recommended remedy under Problem 1 0 Item 1 1 5 2 Abnormal fluid rotation due to complex suction piping Redesign suction piping holder number of elbows and number of planes to a min...

Страница 18: ...tested from the electrical panel Do not touch any bare wires or allow bare wires to come in con tact with the ground or metal False readings will result If the meter needle is at either extreme end of the scale a more accurate reading can be obtained by switching the selector switch to another scale Re zero the meter each time the selec tor switch is moved The readings obtained from drop cables an...

Страница 19: ...d condition A motor in reasonably good condition A motor which may have been damaged by lightning or with damaged leads Do not pull the pump for this reason A motor which definitely 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 not fail for this reason alone but will probably not operate for long A motor which ha...

Страница 20: ...rong motor different HP or voltage than readings being referenced A considerably lower winding resistance than shown in the motor manual indicates a possible shorted burned together winding or the wrong motor Unequal resistance between the windings on a three phase mo tor indicates a burned winding or a faulty connection ZERO OHMS OHMS ZERO OHMS DROP CABLE OR MOTOR LEADS DROP CABLE OR MOTOR LEADS ...

Страница 21: ...bine 01 01 2018 Edition 1A www cps pumps com 0 250 500 750 1000 1250 1500 5 1 0 1 5 2 0 2 5 DROP CABLE OHMS PUMP SETTING FEET 3 0 3 5 4 0 4 5 14 CABLE 12 CABLE 10 C ABLE 8 C A B L E 6 C A B L E 4 C A B L E 2 C A B L E 0 C AB LE FIGURE 6 Drop Cable Resistance ...

Страница 22: ...1 L1 51 amps T2 L2 46 amps T3 L3 53 amps T1 L1 51 50 1 50 46 4 53 50 3 T2 L2 T3 L3 T3 L1 T1 L2 T2 L3 T2 L1 T3 L2 T1 L3 150 amps 50 amps max 3 Measure current in each leg Add leg currents to determine total current Calculate average leg current Determine max difference of any one leg from the average Calculate percent unbalance using formula above 2nd Hook Up 3rd Hook Up 3 L1 T1 T2 T3 T2A T3 T1 T2 ...

Страница 23: ... to damage the shaft the coupling or the key Orient the motor so that the motor leads are aligned with the notch provided in the pump mounting flange Install and tighten the mounting bolts or capscrews If the shaft coupling has set screws in the motor shaft half of the coupling pull the coupling toward the motor until the shafts butt and then install and tighten the set screws on the motor end of ...

Страница 24: ...t Tighten the hex nut to lock into place Loosen the set screw in the thrust collar obtain the proper up thrust limit and re tighten the set screws See FIGURE 11 FIGURE 11 Up thrust Adjustment SPARE PARTS RECOMMENDED SPARE PARTS The decision on what spare parts to stock varies greatly depend ing on many factors such as the criticality of the application the time required to buy and receive new spar...

Страница 25: ...000 CST IOM Series CST Submersible Turbine 01 01 2018 Edition 1A www cps pumps com titled CPS Pumps Parts Catalog A copy of this book can be obtained from the local CPS Pumps Sales Engineer or Dis tributor Representative ...

Страница 26: ...ZE 136D DISCHARGE CASE BEARING BRONZE 136S SUCTION CASE BEARING BRONZE 179 BOWL CAST IRON 225 IMPELLER COLLET CARBON STEEL 256C MOTOR COUPLING 416 SS 256D UPTHRUST DISC 300 SS 302 DISCHARGE CASE DUCTILE IRON 364 BOWL O RING VITON 364L LIP SEAL RUBBER 444 IMPELLER 304 SS 616D DISCHARGE CASE PLUG CARBON STEEL 728B BOWL SHAFT 416 SS 816 SUCTION CASE CAST IRON REFER TO FACTORY FOR OPTIONAL METALLURGY ...

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