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Submersible
Borehole Pump
100mm (4")
SERIES J
InstallatIon and
operatIng InstructIons
WARNING : The pump and associated pipework operate under pressure. Under no
circumstances should the pump or associated pipework be disassembled unless the
internal pressure of the unit has been relieved. Failure to observe this warning will
expose persons to the possibility of personal injury and may also result in damage to
the pump, pipework or other property.
WARNING: Failure to follow these instructions and comply with all applicable codes
may cause serious bodily injury and/or property damage.
Please pass these instructions on to the operator of this equipment.
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Summary of Contents for Davey J Series
- Page 1 Submersible Borehole Pump 100mm (4”) SERIES J InstallatIon and operatIng InstructIons WARNING : The pump and associated pipework operate under pressure. Under no circumstances should the pump or associated pipework be disassembled unless the internal pressure of the unit has been relieved. Failure to observe this warning will expose persons to the possibility of personal injury and may also result in damage to the pump, pipework or other property.
- Page 2 Should additional information or clarification of certain points be required in Australia, contact our Customer Service Centre on 1300 2 DAVEY (1300 232 839). For New Zealand contact the Davey Products Pty Ltd office on (09) 444 3622. Bore Conditions To guard against installing a pump in aggressive or abrasive water, it is suggested that an analysis of the bore water be submitted to an authorised testing authority prior to installation of the pump.
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Page 3: Installation
Check Valve All Davey submersible borehole pumps are supplied with a check valve, and no additional check valves are required for open discharge conditions up to a maximum of 80 metres head. For installations greater than 80 metres head, or when used as a pressure system, it is recommended that an additional check valve be fitted approximately no more than 60 metres vertically above the pump and every 60 metres vertically thereafter. -
Page 4: Typical Submersible Installation
Pressure System Installation and Pump Controls Davey submersible borehole pumps may be used as a pressure system in conjunction with pressure tanks providing a suitable draw off capacity. When selecting a pressure tank, make sure that the rated tank pressure is at least 10% greater than the pump pressure at the bore head. - Page 5 Three Phase Connection Three phase models must be wired with a contactor with approved ‘quicktrip’ overloads set correctly. Davey recommend the use of overloads which also have the ability to detect “single phasing” or “dropped phase” conditions in the power supply.
- Page 6 Continuing operation at low water level will cause damage to the pump and motor mechanical parts due to alternating shock pressures on the pump. If in doubt about the draw down level of the bore, install low level probe controls, available from Davey. Minimum Flow Conditions...
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Page 7: Operation And Maintenance
While Davey submersible pumps do not require regular maintenance, it is a good practice to monitor the conditions and performance of the pump and motor. This diagnosis may be carried out by checking the maximum pressure (shut valve for a very short period) generated by the pump, and by checking the amperage draw of the motor at standard duty flow rate. -
Page 8: Installation Record
........................ What Yield and Draw Down was recommended from this test?............gph/lph/m PWL ..........metres SWL ..........metres Pump (this information should be supplied by your Davey dealer). Model: ..................kW: ..........Voltage: 240 / 415 Design Flow Rate: ............. - Page 9 NOTES ~ 9 ~...
- Page 10 NOTES ~ 10 ~...
- Page 11 Customer Service line on 1300 367 866 in Australia, or 0800 654 333 in New Zealand, or send a written letter to Davey at the address listed below. On receipt of your claim, Davey will seek to resolve your difficulties or, if the product is faulty or defective, advise you on how to have your Davey product repaired, obtain a replacement or a refund.
- Page 12 Water products pty ltd Member of the gud group aBn 18 066 327 517 ® Davey is a registered trademark of Davey Water Products Pty Ltd. © Davey Water Products Pty Ltd 2013. P/N 44874-6 * Installation and operating instructions are included with the product when purchased new.