Related Manuals for DAYLIFF DBE
Summary of Contents for DAYLIFF DBE
- Page 1 Horizontal Multistage Pumps DBE 5-40 DBE 12-40 Installation & Operating Manual...
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Page 2: Table Of Contents
INDEX SPECIFICATIONS 2. SYMBOLS & WARNINGS INSTALLATION PRECAUTIONS INSTALLATION & CONNECTION 4.1 Pump Location 4.2 Pipe Installation 4.3 Pump Installation 4.4 Electrical Connections OPERATION & MAINTENANCE TROUBLE SHOOTING TERMS OF WARRANTY © Davis & Shirtliff Ltd 2022 Contents herein are not warranted... -
Page 3: Specifications
Congratulations on selecting a Dayliff DBE Pumps. They are manufactured to the highest standards and if installed and operated correctly will give many years of efcient and trouble free service. Careful reading of this Installation Manual is therefore important, though should there be any queries they should be referred to the equipment supplier. - Page 4 PUMP The Dayliff DBE Booster is a compact water boosting unit for water supply in domestic and commercial applications for single and two booster pump systems. The pump is fitted with an integral variable speed controller that maintains pump output at constant pressure (adjustable up to 5bar) with varying demand.
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Page 5: Symbols & Warnings
PUMP DATA Dimensions (mm) Motor Current Weight Model (”) (”) (kg) DBE 5-40 1¼ DBE 12-40 DBE 5-40 DBE 12-40 2. SYMBOLS & WARNINGS Reliable ground connection is necessary before operating WARNING Do not touch the pump when its is energized... -
Page 6: Installation Precautions
3. INSTALLATION PRECAUTIONS Power Requirements Power supply voltage: should be within 220V-240V. When the voltage is too low, the pressure will be reduced. Electrical Connection Before installation and use, check whether the pump is damaged during transport and storage, Check that the insulation resistance is greater than 50MΩ. - Page 7 It is important to install a drainage line so as to drain the water caused by the leakage. Piping Requirements The piping size should match pump inlet and outlet and shall not be less than the outlet piping diameter. Select the pipes matching with the pump inlet &...
- Page 8 When the pump is in operation and needs to be moved, turn off the power rst to avoid electric shock. WARNING Plug reliable ground connection is necessary...
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Page 9: Installation & Connection
4. INSTALLATION & CONNECTION Before installing the water pump, check that the model and spare parts of the water pump are consistent with the purchase order 4.1 Pump Location Install the pump in a well ventilated position with suitable cover to avoid exposure to direct sunlight or rain. -
Page 10: Pipe Installation
4.2 Pipe Installation It is recommended to install isolation valves on both sides of the pump, so that the system will not be drained during pump maintenance. If the pump is installed above the water level, a foot valve must be installed on the suction pipe under the liquid level. -
Page 11: Electrical Connections
If pump is installed far away from power supply , ensure correct selection of cable size to minimize power losses refer to table 1 for guidance. Power Wire Length Fuse Fuse Fuse 0~50m 50~100m 100~150m Model DBE 5-40 1.5mm 2.5mm DBE 12-40 2.5mm... - Page 12 Power Input 220V Fuse Wire Inlet Pressure Sensor Outlet Pressure Sensor Intelligent Driver Board Programmatic Interface Display Control Panel Output to motor Intelligent Pump Electrical Schematic Diagram Control Panel Operation Instructions...
- Page 13 Function Introduction The DBE pumps have the following features 1. High efficiency, energy saving, intelligent, constant pressure and frequency conversion; Water flow and pressure control; Manual, Automatic control; Water shortage, overload, locked-rotor protection. 2. Motor soft start and soft stop, effectively protecting and improving the service life of the motor.
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Page 14: Operation & Maintenance
5. OPERATION & MAINTENANCE Do not run the pump without water, else may damage the mechanical seal and bearing. WARNING The pump must be filled with water before starting. To do this, Ÿ Close the pump outlet valve, open the vent screw on the pump head, slowly open the inlet valve, until the water flows out of the vent plug screw. - Page 15 Ÿ The disconnection time of motor overload; Ÿ The frequency of starts and stops; Ÿ All the control operations; When pump is unused for a long time, it should be cleaned and stored properly. WARNING...
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Page 16: Trouble Shooting
6. TROUBLE SHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Power Source Error Check the power source Replace the fuse The fuse is broken Motor overheating protection A f t e r c o o l i n g , p u m p w i l l (display E13) automatically start C o n s u l t s e r v i c e p r o v i d e r o r... - Page 17 PROBLEM POSSIBLE CAUSE SOLUTION The inlet pipe is too small Increase the inlet pipe Increase water or switch off until At the pump inlet, there is not correct level is attained enough water Uneven water Inlet pressure is too small compared flow Improve the system, increase inlet to water temperature, pipe loss and...
- Page 18 PROBLEM POSSIBLE CAUSE SOLUTION Open the vent screw, expel the air Pump body is not full filled with water front pump chamber and inlet pipe Replace the impeller Impeller damage Adjust the inlet pipe to immerse the Water level is low The motor is foot valve into the water running but no...
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Page 19: 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 20 INS501A-12/22...