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Table of Contents
Related Manuals for DAYLIFF DDP Series
Summary of Contents for DAYLIFF DDP Series
- Page 1 Domestic Pumps DDP50A Installation & Operating Manual...
- Page 3 INDEX PUMP SPECIFICATIONS 2. INSTALLATION ELECTRICAL CONNECTIONS PRIMING MAINTENANCE TROUBLE SHOOTING WARRANTY © Davis & Shirtliff Ltd 2014 Contents herein are not warranted...
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Page 4: Pump Specifications
T ank ou fo c r hoosing Dayliff Domes ic ump. h T e pu mp h as been manu ct fa ur ed to th e hig t s nd d if op ted c orrectly ld give m... - Page 5 DDG 1000 FLOW RATE(m /hr) PUMPS The Dayliff DD pump range is specially designed for all small scale domestic and commercial water supply uses. Model options are available as follows: DDP50A: A self priming automatic pressure controlled peripheral pump that features diaphragm type pressure vessel and pressure switch for automatic operation.
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Page 6: Installation
DDS: Centrifugal single impeller non-self priming pump. The pump body, backplate and impeller are made from 304 stainless steel. DDG: Single stage centrifugal impeller self priming design. Materials of construction are stainless steel for the pump body, shaft and back plate with the impeller made from polypropylene. -
Page 7: Electrical Connections
If there is negative suction (ie the pump is above the suction water level) the suction pipe must be slightly angled upwards towards the pump inlet to avoid the formation of air locks. It must also be immersed in water by at least 0.5m to avoid the formation of vortexes and a good quality foot valve must be fitted. -
Page 8: Maintenance
4. PRIMING All non-self priming pumps must be primed before operation. To do this completely fill the FILL pump housing with clean water through the priming plug before switching it on. When full replace the priming plug and start the pump checking there is a steady flow at the pump outlet. -
Page 9: Troubleshooting
6. TROUBLE SHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Check connections and power No Power supply Motor won’t start Impeller stuck See section on maintenance Reduce delivery head Delivery head exceeds pump capacity Specify different pump Clogged foot valve Clean foot valve Motor turns without pumping... -
Page 10: Terms Of Warranty
7. TERMS OF WARRANTY i) General Liability In lieu of any 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 replacement or repair (at the Company's discretion) defects which under proper use appear therein and arise solely from faulty design, materials or workmanship within a specified period. - Page 12 INS178D-10/14...