Davey HM Series Installation And Operating Instructions Manual
Electric pumps
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Electric Pumps
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.
HM Series
Installation and
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Table of Contents
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Summary of Contents for Davey HM Series
- Page 1 HM Series Electric Pumps 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.
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Page 2: Specifications
HM Electric Pump is designed to handle clean water. The pump should not be used for any other purpose without specific referral to Davey. The use of the pump to pump flammable, corrosive and other materials of a hazardous nature is specifically excluded. -
Page 3: Choosing A Site
2. Avoid long extension leads as they can cause substantial voltage drop and operating problems. 3. Although the Davey electric motor is specifically engineered to perform on a range of power supply voltages, malfunctions or failure caused by adverse voltage supply conditions are not covered under guarantee. - Page 4 “quicktrip” (M10) overloads set at nameplate current. Davey recommend the use of overloads which also have the ability to detect “single phasing” or “dropped phase”...
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Page 5: Pipe Connections
Your new HM pump or pressure system has the benefit of a new upgraded self- priming and air handling capability. While Davey must stress the overall requirement for all suction lines to be air tight, we also are aware that sometimes removing air from suction lines or stopping minor leaks can be difficult. - Page 6 • To do this with Torrium2 equipped models, temporarily remove the inbuilt check valve poppet from the Torrium2 and unscrew the SS plug from the casing besides the outlet. • For pressure switch controlled models simply prime through the outlet tee with the plug removed.
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Page 7: Dry-Running Protection
Most Water Supply Authorities have strict regulations regarding direct connection of pumps to mains water supplies. In most cases an isolating tank is required between mains supply and pump. Davey also recommend this method. Directly applied mains pressure can exceed pump operating pressure and damage pump. - Page 8 Priming and Operation The pump body and suction line should be filled by pouring water into the priming plug hole adjacent to the outlet. Screw on the priming plug, close the discharge valve two thirds and switch pump on. Gradually open the discharge valve and the pipeline fills.
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Page 9: Troubleshooting Checklist
WARNING: DO NOT RUN DRY. DO NOT RUN WITH LOSS OF PRIME. DO NOT PUMP WATER CONTAINING ABRASIVE MATERIALS. Trouble Shooting Check List MOTOR OPERATING BUT NOT PUMPING 1. Suction line and pump body not filled with water. 2. Leaking foot valve. 3. - Page 10 *NOTE “MOTOR PROTECTION DEVICE” : For protection, the Davey pump motor is fitted with an automatic reset thermal overload, constant tripping of this overload indicates a problem e.g. low voltage at pump, excessive temperature in pump enclosure. WARNING: When servicing or attending pump, always ensure power is switched off and lead unplugged.
- Page 12 To the fullest extent permitted by law Davey disclaims any warranties regarding the accuracy, completeness or reliability of App data. Davey is not responsible for any direct or indirect loss, damage or costs to the User arising from its reliance on internet connectivity.