KSB CORA 12C Operating Instructions Manual Download Page 1

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Submersible Motor Pumps

(100 mm)

Operating Instructions

3300.810 / 06 - 85 G3

100 mm Submersible Motor Pumps

(50 Hz)

Summary of Contents for CORA 12C

Page 1: ...Submersible Motor Pumps 100 mm Operating Instructions 3300 810 06 85 G3 100 mm Submersible Motor Pumps 50 Hz...

Page 2: ...ication of power line with respect to motor design 4 2 3 8 Trip circuit for over current 4 2 4 Starting mode 4 2 4 1 For single phase motor 4 2 4 2 For three phase motor 5 3 Commissioning and start up...

Page 3: ...according to designated parameters The operating limits should not differ from the limits specified on the nameplate 1 1 5 Water characteristics Submersible pumps are designed for handling clean or s...

Page 4: ...see that each turn of the tape should have a 50 overlap over the previous turn The tape should be wound on to a thickness at least equal to that of core insulation 2 2 3 1 Selection of Cable Voltage d...

Page 5: ...e Fig 4 for horizontal installation only two supports are needed One is placed at the extreme end of the NRV while other is placed at the center of motor 2 Install adapter pipe to the pump with 2 Wate...

Page 6: ...cable should be fixed to the raiser pipe by means of cable clips at a distance of approx 3 m immediately after the flange or coupling of the pipe 2 3 7 Verification of power line with respect to motor...

Page 7: ...s stage it is important that pump is run continuously without stooping if pump is stop sand will settle inside the pump and pump is block resulting in damage till the sand content in the water falls t...

Page 8: ...at works with rotor and bearings being lubricated and cooled by the filled liquid The motor is designed for vertical and horizontal location in clean water with a maximum sand content of 50 g m3 The m...

Page 9: ...Authorised Service Center or to the concerned dealer Unauthorized repaires are not permitted since they cause poor performance and shorter life of the pumpset 7 Recommended stock of spare parts for 2...

Page 10: ...tor if wrong than rated internal connections are made Failure of a phase single phasing in 3 Rectify loose connections Replace fuses phase motor Consult electrical authority Switchgear positioned in t...

Page 11: ...speed is too low Check supply frequency and increase the voltage up to tolerance limit as shown on name plate Pump delivers against as excessive discharge Open discharge valve until the desired flow...

Page 12: ...ve plate 751 Valve body 543 Spacer bush 529 02 Bearing sleeve last 529 01 Bearing sleeve intermediate 521 Stage sleeve 411 Gasket 382 Bearing body with bearing bush 232 02 Clockwise impeller last with...

Page 13: ...ody 529 02 Bearing sleeve last 529 01 Bearing sleeve intermediate 525 Spacer sleeve 521 Stage sleeve 500 End ring with wearing ring 502 411 Gasket 384 Thrust bearing plate 382 03 Bearing body w o bear...

Page 14: ...1 Screw Round head 901 Hex head bolt 759 Valve dish with O ring 752 Valve seat 751 Valve body 543 Spacer bush 529 Bearing sleeve 411 Gasket 384 Thrust ring 382 Intermediate bearing body with bush 232...

Page 15: ...p guard 562 Cylindrical pin 550 Disc 421 Oil seal 392 Bearing segment carrier 389 Counter thrust bearing ring 387 Thrust bearing segement 384 Thrust bearing plate 382 02 Bearing body upper 382 01 Bear...

Page 16: ...ith balancing ring 81 77 720 Double nipple 580 Sand guard cap 550 Washer 421 Oil seal 411 01 02 Gasket 392 Bearing segment carrier with pin 560 389 Counter thrust ring 387 Thrust bearing segment 384 T...

Page 17: ...545 51 Bearing bush lower 421 Oil seal 412 53 O ring 412 52 O ring 412 51 O ring 387 Thrust bearing segment 384 52 Counter thrust bearing plate 384 51 Thrust bearing plate 382 52 Bearing body upper 3...

Page 18: ...tor with balancing ring 81 77 720 Double nipple 580 Sand guard cap 550 Washer 500 02 Ring upper 500 01 Ring lower 421 Oil seal 411 01 02 Gasket 392 Bearing segment carrier 389 Counter thrust ring 387...

Page 19: ...posal Methods 1 Pumps Paint Pump body Base frame Sludge to be disposed through authorized re processor Non ferrous parts a Impellers Diffusers b Bushes c Stage sleeves d Thrust plate Sludge to be disp...

Page 20: ...Submersible motor pumps 100 mm Mktg Serv 06 15 25 000 Submersible Motor pumps 100 mm Operating Instructions...