DAYLIFF DS Page 1 Installation & Operating Manual Download | Manualshive

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Installation &

Operating Manual

DS/DSP/D3SP

Submersible Borehole Pumps

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Summary of Contents for DS

Page 1: ...Installation Operating Manual DS DSP D3SP Submersible Borehole Pumps...

Page 2: ...otors Three Phase Motors 4 INSTALLATION Pump Application Pump Position Pump Lowering 5 PUMP OPERATION 6 MAINTENANCE 7 TROUBLE SHOOTING 8 WARRANTY 9 2 DELIVERY STORAGE Delivery Storage Handling 1 1 2 2...

Page 3: ...sheet which will be supplied with the pump DAYLIFF D3SP pumps are compact 3 diameter submersible multistage centrifugal pumps specifically designed for small scale water supplies from boreholes and we...

Page 4: ...ii Motor All pumps are fitted with sealed liquid cooled oil filled 2 pole asynchronous squirrel cage motors constructed principally of stainless steel Single phase motors require purpose designed con...

Page 5: ...t Leakage at this joint will cause motor failure Care must be taken when fitting the motor tail cable to the motor The connection between the tail cable and the motor should be lubricated with a non c...

Page 6: ...in the form of an MCB or fuse Coarse current rating should be approx 3X maximum rated motor current For all three phase motors and single phase motors above 1 1kW a DOL starter is required Note that...

Page 7: ...entification of the start run and common windings is essential or else the motor will burn out Extra care must therefore be taken when connecting and if in doubt the pump supplier should be consulted...

Page 8: ...and 35m for D3SP Pumped liquid should be clean thin and non explosive containing no solid 3 particles or fibres Sand content should not exceed 50gm m or else pump life will be reduced and any warrant...

Page 9: ...ecommended that the complete pump is submerged at least 3m the dynamic water level and if possible the pump should be installed at least 3m from the bottom of the borehole to prevent silting damage As...

Page 10: ...o approximately 1 3 of its maximum volume of water Observe if there are impurities in the water and then gradually open the valve until the water is observed to be clear If the water continues to be s...

Page 11: ...e Fault Finding Guide Also important is a periodic check of motor winding and insulating resistance especially if there is an abnormal operating current or voltage reading For three phase motors windi...

Page 12: ...al call service technician Motor starter contactor defective Repair the motor starter contactor The control circuit has been interrupted or is defective Check the electric installation No electricity...

Page 13: ...the strainer Replace or repair the pump The valves in the discharge pipes are partly closed or blocked Check and clean or replace the valves and discharge pipe Wrong direction of rotation Change direc...

Page 14: ...lve changed Pull out the pump and clean or replace the non return valve The non return valve is leaking or stuck half open Long period until water flow after start Increase the installation depth of t...

Page 15: ...warranty condition or liability implied by law the liability of Davis Shirtliff hereafter called the Company in respect of any defect or failure of equipment supplied is limited to making good by rep...

Page 16: ...INS 278C 08 18...

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