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Table of Contents
Related Manuals for DAYLIFF DFP
Summary of Contents for DAYLIFF DFP
- Page 1 Sanitary Pump Installation & Operating Manual...
- Page 3 INDEX SPECIFICATIONS 2. INSTALLATION ELECTRICAL CONNECTIONS OPERATION TROUBLE SHOOTING TERMS OF WARRANTY © Davis & Shirtliff Ltd 2023 Contents herein are not warranted...
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Page 4: Pump Specifications
FLOW RATE (m /hr) PUMP Dayliff DFP sanitary pumps are of single stage centrifugal impeller type specifically designed to meet the hygiene requirements of sterile operating processes. They are suitable for various applications including water supply systems, pressure boiler feeding, pure water treating systems, pharmaceutical, food and refining chemical industries. -
Page 5: Installation
PUMP DATA Dimensions (mm) Motor Current Voltage Weight Model (”) (”) (kg) DFP22 13.5 1x240 3x415 DFP75 2. INSTALLATION Pump location should be as close as possible to Ÿ the liquid level, thus avoiding excessively long suction piping. Its position must meet the criterum that NPSHd is higher than NPSHr of the pump. -
Page 6: Electrical Connections
When the pump, is installed in negative suction, it should have a suitable foot valve placed at required depth to prevent air intake. The delivery piping must; Ÿ Be properly sealed Ÿ Have proper dimensions to avoid excessive head losses Ÿ... -
Page 7: Operation
Starting: Remove the bridge plates from the terminal box and connect the motor terminals to the corresponding ones on the starter. Supply Voltage Check that the values for the voltage and frequency of the supply mains coincide with the ones indicated on the motor nameplate, depending on star or delta connection. -
Page 8: Troubleshooting
5. TROUBLE SHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Change connections of electric Rotating the wrong way motor Foot valve leaking. Leaks in gaskets Pump not primed or suction piping. Check and repair Check the reason for this low speed (excessive consumption or low Low rotating speed frequency) The pump... - Page 9 PROBLEM POSSIBLE CAUSE SOLUTION Specific gravity and viscosity above Reduce the flow with the delivery design valve or change the motor The power Check the fastening of the terminals. consumption Excessive consumption Check the mains voltage and make is higher than sure the shaft turns gently by hand expected Test pressure the suction pipeline...
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Page 10: Terms Of Warranty
General Liability • In lieu of any warranty, condition or liability implied by law, the liability of Dayliff (hereafter called the Distributor) in respect of any defect or failure of equipment supplied is limited to making good by replacement or... - Page 12 INS528A-03/23...