Related Manuals for NAFFCO NF Series
Summary of Contents for NAFFCO NF Series
- Page 1 VERTICAL SUBMERSIBLE PUMPS INSTALLATION, OPERATION & MAINTENANCE VERTICAL INLINE SUBMERSIBLE PUMP - NF-SL SERIES...
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Page 2: Pre-Installation
VERTICAL SUBMERSIBLE PUMP INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 1. General Inspect pumpset for the following after receiving and that the pumpset recieved is as per order. Also check for any damages in the pumpset / motor cable / control box (if any) which may be caused during transit / shipping. Note : Do not use lead wires to lift, pull or handle the motor. - Page 3 VERTICAL SUBMERSIBLE PUMP INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS • All electrical works must be carried out by a technically qualified personnel complied with local electrical code & practice. • Connect the earth cable to the pumpset to avoid fatal electrical shock. Fig.1 Water Filling Method Fig.2 Vertical Installation Ref.
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Page 4: Troubleshooting
VERTICAL SUBMERSIBLE PUMP INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 3. Cable Selection Chart FOR THREE PHASE 6 WIRE (S.D) MOTORS MAXIMUM LENGTH OF COPPER CABLE For supply Voltage Condition with Variation of ± 3% - 50 Hz These are maximum length of cable in METERS from POWER SOURCE to MOTOR exceeding these length will void warranty 4. - Page 5 VERTICAL SUBMERSIBLE PUMP INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Troubleshooting Chart Problems / Probable Causes Possible Solutions Motor or power supply cable are defective / Repair the motor or replace the cable damaged Over load protections relay cut off the starter Reset the protection Wrong connections Correct the connection...
- Page 6 VERTICAL SUBMERSIBLE PUMP INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Troubleshooting Chart Problems / Probable Causes Possible Solutions PUMP VIBRATES AND IS NOISY The dynamic level descends below the strainer Reduce the capacity by closing the gate-valve Water with high gas content Increase the water level on the pump Pump bushes and bearings worn out Remove the pump set and over haul the pump...
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Page 7: Periodical Maintenance
VERTICAL SUBMERSIBLE PUMP INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS FOR HREE PHASE MOTOR MAXIMUM LENGTH OF COPPER CABLE For supply Voltage Condition with Variation of ± 3% - 50 Hz These are maximum length of cable in METERS from POWER SOURCE to MOTOR exceeding these length will void warranty 6. -
Page 8: Operation
VERTICAL SUBMERSIBLE PUMP INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 7. Operation • Install a temporary pipe along with a gate valve in pump delivery pipe. • Before switching the pump on, make sure all the electrical connections were properly done. • The first start must be carried out with half open gate valve in order to inspect the water for sand. - Page 9 VERTICAL SUBMERSIBLE PUMP INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS NOTES Ref. No. NF-SL-IOM/2018/V.01 Subject to change without prior notice 9 of 10...
- Page 10 Project Name :............................Location :............................Commissioned By :............................Date of Commissioning :............................Signature of Commissioning Engineer :............................
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