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DWW/DWV/DWC

DRAINAGE PUMPS

Installation & 

Operating Manual

DWW 30M/50M/75M

DWW 05A

DWW 10A/20A

DWV 30M/50M/75M

DWV 05A/10

DWC

Summary of Contents for DWW Series

Page 1: ...DWW DWV DWC DRAINAGE PUMPS Installation Operating Manual DWW 30M 50M 75M DWW 05A DWW 10A 20A DWV 30M 50M 75M DWV 05A 10 DWC...

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Page 3: ...PUMP SPECIFICATIONS 1 1 2 INSTALLATION 3 ELECTRICAL CONNECTIONS 3 4 MAINTENANCE 4 4 TROUBLE SHOOTING 5 5 INDEX Davis Shirtliff Ltd 2020 Contents herein are not warranted WARRANTY 6 7...

Page 4: ...75M DWV 50M DWV 30M DWC 20A DWC 10A DWV 10A DWV 05A 3 FLOW m hr HEAD m 6 0 5 10 15 20 12 18 30 24 36 42 DWC Congratulations on selecting a Dayliff DW Pump They are manufactured to the highest standard...

Page 5: ...clogging cast iron pump casing double mechanical seal and NBR oil seal They are designed for fixed installation with discharge connection suitable for guide rail mounting All pumps are supplied with 1...

Page 6: ...period of time in a dry condition or at the lowest water level the motor will overload and shut down Prolonged overheating will shorten pump service life Do not start the pump again in such a situati...

Page 7: ...protection in the form of a fuse or MCB rated at 2 3 times the full load current as given on the pump plate Ensure that the power supply rating complies with the specification on the pump rating plate...

Page 8: ...a qualified electrician should be consulted To prolong the service life of the mechanical seal replace the oil in the mechanical seal chamber once a year Water mixed with the oil or cloudy mixtures ar...

Page 9: ...ign matter Foreign matter clogging pump Replace impeller Worn out impeller 6 PROBLEM POSSIBLE CAUSE SOLUTION Over current Wait for supply to stabilise Unbalanced current and voltage Significant voltag...

Page 10: ...ility In lieu of any warranty condition or liability implied by law the liability of Dayliff in respect of any defect or failure of equipment supplied is limited to making good by replacement or repai...

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Page 12: ...INS253B 10 14...

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