InStallatIon and oPeratIng InStructIonS
Contents
1. To assemble the motor onto the pump ensure that the motor dimensions match the pump head dimensions Ensure the motor mounting face and shaft are clean and free of debris Lower the motor onto motor adaptor and secure with four setscrews into the motor flange Attach the coupling halves onto the motor shaft and wet end shaft locating the coupling onto the pump shaft pin Secure the coupling with four screws Hand tighten only on the motor end and somewhat tighter on the pump end to clamp the pump shaft Ensure the pump shaft and coupling will move as one up and down on the motor shaft Push coupling down as far as possible and note it s position Raise the coupling up as far as possible and mark this position Set the coupling at the midpoint between the top and bottom positions Tighten all four coupling screws evenly tighten M6 coupling screws to 14Nm or M10 coupling screws to 36Nm Rotate the shaft and ensure it is free and not rubbing Run the pump for a short period and recheck the pump still is free to rotate without interference NOTE Disconnect pump from power before undertaking ANY servicing or clearance checks on the pump Installation Housing your Pump To protect your pump from the weather make sure the cover provided is both water proof frost free and has adequate ventilation The pump should be vertically mounted on a firm dry base allowing for drainage to avoid damage to flooring WARNING Some2. insects such as small ants find electrical devices attractive for various reasons If your pump enclosure is susceptible to insect infestation you should implement a suitable pest control plan Two standard cases for pump installations 1 Pump in suction lift situation 2 Pump installed with positive inlet Suction Lift Pumps operate more efficiently with positive suction If the pump must be installed with a suction lift please ensure the suction line is kept as short as possible and the pipe diameter is at least on size or larger than the pump inlet Suction line should be continuously rising from the water source to the pump in order to avoid vapour locks For suction lift greater than 3 metres or suction distance greater than 50m please contact Davey Positive Inlet Recommended installation for efficient pumping Pumping direct from town water supply must be in compliance with local regulations Install the pump in a place that is easy to reach protected from frost and as close as possible to the place from which water is drawn Install the pump on a foundation block at least 100mm high and attach via the holes for 12mm dia studs For heavy pumps provide a point of attachment above the pump centre line Place an insulating material cork or reinforced rubber under the concrete block to avoid transmitting noise and vibrations to the rest of the installation Before final tightening of the anchor bolts make
3. not more than 40 C Reread the installation conditions and recommendations in these instructions The suction pipe must be sized to suit the application and be at least the same diameter as the pump suction port Remove and clean Davey Repair or Replacement Guarantee In the unlikely event in Australia or New Zealand that this Davey product develops any malfunction within two years of the date of original purchase due to faulty materials or manufacture Davey will at our option repair or replace it for you free of charge subject to the conditions below Should you experience any difficulties with your Davey product we suggest in the first instance that you contact the Davey Dealer from which you purchased the Davey product Alternatively you can phone our 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 Your Davey Two Year Guarantee naturally does not cover normal wear or tear replacement of product consumables i e mechanical seals bearings or capacitors loss or damage resulting from misuse or negligent handling improper use for which the product was not designed or advertised failure to properly follow the provided installation a
4. sure that the pump centreline is quite vertical use shims if necessary The altitude of the installation and the water temperature reduce the suction capabilities of the pump Altitude amp Temperature vs Loss of Head Altitude Loss of head Temperature Loss of head Om Om 20 C 0 20m 500m 0 60m 30 C 0 40m 1000m 1 15m 40 C 0 70m 1500m 1 70m 50 C 1 20m 2000m 2 20m 60 C 1 90m 2500m 2 65m 70 C 3 10m 3000m 3 20m 80 C 4 70m 90 C 7 10m 100 C 10 30m lis pump must be placed in a well drained ocation or in a pan connected to a drain to avoid water damage from leaking fittings seals etc Hydraulic connections The diameter of the suction piping must never be less than that of the pump Limit the length of the suction pipe and avoid all features that cause losses of head tapers bends etc The suction pipe which should slope upward slightly must be fully airtight especially at fittings If a rigid pipe is used provide supports or collars so that the pump does not bear the weight of the pipe An arrow on the pump casing shows the direction of fluid flow Carefully seal the pipes with thread tape Electrical connections The electrical connections and checks must be made by a qualified electrician and comply with applicable local standards continued overleaf Refer to the motor data plate for its electrical characteristics frequency voltage nomina
5. Clean all the pipes If suction valve fitted ensure it is fully open Check the tightness of the suction pipe line up to the pump and make it airtight Fill the pump to re prime Check that the foot valve seals and does not leak Suction height too great check the NPSH of the pump installed Install the pump closer to the water Check direction of rotation in main section Check the voltage on the terminals of the motor and the cross sections of the conductors Check water tank or mains for water Check the nuts of the stud bolts and tighten them fully Dismantle the pump and clean it Check that the pump turns freely without abnormal sticking Check the connections to the pump Check the voltage on the terminals of the motor it should be within 10 of the rated voltage Dismantle the pump and clean it The motor is designed to operate at an ambient temperature of not more than 40 C Dismantle the pump and correct the problem Replace it Fill the pump and bleed until there are no more air bubbles Alternate two wires on the motor terminal block or the circuit breaker to reverse the direction of rotation Check and reseal fittings Check the current with an ammeter or set to the current rating marked on the motor data plate Check that the conductor cross sections of the power cable are adequate Check it and correct where required Replace it The motor is designed to operate at an ambient temperature of
6. DEPEND ON DAVEY WATER PRODUCTS VM Series Stainless Steel Vertical Multistage Pumps INSTALLATION AND OPERATING INSTRUCTIONS In accordance with AS NZS 60335 2 41 we are obliged to inform you that this pump is not to be used by children or infirm persons and must not be used as a toy by children These Instructions must be delivered with the pump to the operator WARNING Failure to follow these instructions and comply with all applicable codes may cause serious bodily injury and or property damage General Applications Pumps for clear liquids free of abrasives in residential agricultural industrial and other applications Specifications Operating Conditions e Temperate range e Ambient temperature e Suction head 15 to 120 C up to 40 C depends on NPSH of pump Maximum Inlet Pressure The maximum inlet pressure is shown in the list below But the actual inlet pressure plus the valve close pressure of the pump shall be lower than the maximum allowable working pressure Model Max Inlet Pressure VM3 8 amp above 10 bar Up to VM5 10 10 bar VM5 12 amp above 15 bar Up to VM10 6 6 bar VM10 8 amp above 10 bar VM16 2 and VM16 3 6 bar VM16 4 amp above 10 bar VM32 2A to VM32 4 4 bar VM32 6 to VM32 10 10 bar VM32 12 15 bar VM65 2A 4 bar VM65 2 to VM65 3 10 bar VM65 4A and VM65 5 15 bar Up to VM90 3A 10 bar VM90 3 amp above 15 bar Maximum Working Pressure Model Curve Number Up
7. hone the Davey Customer Service Centre on the number listed below For a complete list of Davey Dealers visit our website davey com au or call AUSTRALIA NEW ZEALAND DEPEND ON Customer Service Centre Customer Service Centre 6 Lakeview Drive 7 Rockridge Avenue DAVEY Scoresby Australia 3179 Penrose Auckland 1061 Ph 1300 367 866 Ph 0800 654 333 WATER PRODUCTS Fax 1300 369 119 Fax 09 527 7654 Website davey com au Website daveynz co nz Davey Water Products Pty Ltd Member of the GUD Group ABN 18 066 327 517 Davey is a registered trade mark of Davey Water Products Pty Ltd Davey Water Products Pty Ltd 2011 P N 400584 5 supersedes P N 400584 4 Installation and operating instructions are included with the product when purchased new They may also be found on our website
8. in operation It must never be allowed to operate dry Trouble Shooting ATTENTION 1 Switch the pump OFF before doing any work on it PUMP TURNS BUT NO DISCHARGE FLOW THE PUMP VIBRATES THE MOTOR OVERHEATS THE PUMP DELIVERS INSUFFICIENT PRESSURE THE MOTOR TRIPS OUT THE FLOW IS IRREGULAR The internal parts are obstructed by foreign bodies Suction pipe obstructed Air leaks in via suction pipe The pump has lost its prime The suction lift is too high this is generally accompanied by cavitation noise The pump turns the wrong way The supply voltage to the motor is too low No incoming water flow flooded suction Loose on its foundation Foreign bodies obstructing the pump Pump is hard to turn Incorrect electrical connection Voltage too low Foreign bodies obstructing the pump Ambient temperature above 40 C The motor fails to run at its normal speed foreign bodies defective power supply etc The motor is faulty Pump poorly filled The motor turns the wrong way three phase only Suction leak The setting of the thermal relay is too low three phase motor The voltage is too low One phase is open circuit The thermal relay of the circuit breaker is faulty Ambient temperature above 40 C The suction height is exceeded The diameter of the suction pipe is smaller than that of the pump The strainer and suction pipe are partially obstructed Dismantle the pump and clean it
9. l current The three phase and single phase dual voltage motors must be protected by a circuit breaker or magnetic contactor with overload set to the current marked on the motor data plate Provide a fused disconnecting or isolating switch in compliance with local standards The electric connections should be made as shown in the diagrams inside the cover of the motor terminal box DO NOT FORGET TO CONNECT THE EARTH A connection error will damage the motor AN The power cable must never touch the pipe or the pump make sure that it is protected from any moisture The orientation of the motor can be changed a quarter turn by removing the motor attachment screws if necessary remove the coupling guards and turning the motor to the desired position Refit the screws and the coupling guards The standard three phase electric motors used with pumps can be connected to a frequency converter Strictly follow the directions given by the manufacturer s data sheet The converter must not generate a peak change of voltage dV dt in excess of 500 V ms since this would cause noise and damage the motor winding If it does place an LC inductance capacitance filter between the converter and the motor Starting Up Filling or Priming N Never operate the pump dry even briefly Pump in flooded suction installation e Close the discharge valve e Unscrew the bleed plug fitted to pump head e Open the suction valve progre
10. nd operating instructions failure to carry out maintenance corrosive or abrasive water or other liquid lightning or high voltage spikes or unauthorized persons attempting repairs Where applicable your Davey product must only be connected to the voltage shown on the nameplate Your Davey Two Year Guarantee does not cover freight or any other costs incurred in making a claim Please retain your receipt as proof of purchase you MUST provide evidence of the date of original purchase when claiming under the Davey Two Year Guarantee Davey shall not be liable for any loss of profits or any consequential indirect or special loss damage or injury of any kind whatsoever arising directly or indirectly from Davey products This limitation does not apply to any liability of Davey for failure to comply with a consumer guarantee applicable to your Davey product under the Australian or New Zealand legislation and does not affect any rights or remedies that may be available to you under the Australian or New Zealand Consumer Legislation In Australia you are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure Should your Davey product require repair or service after the guarantee period contact your nearest Davey Dealer or p
11. r all models and include screwed companion flanges with gaskets nuts bolts and washers Remove protective inserts from pump ports before fixing flanges to pump The motor The Davey VM series multi stage pumps have been specifically designed to be used with special TEFC flange mounted electric motors Typical specification for motors supplied are e TEFC motor with standard metric frame flange and shaft for vertical operation Motor and pump linked by a coupling with safety guards e Protection index IP 54 min e Insulation class F e Single phase motors up to 2 2kW include built in thermal protection with automatic reset except special dual voltage 240 480v motors e Dual voltage larger single phase motors and three phase motors to be wired in with a contactor incorporating quick trip thermal overloads NOTE Motor sizes 0 37kW to 4 0kW are V18 B14 small flange mounted e Motor sizes 5 5kW to 22kW are V1 BS large flange mounted with special bearings FREQUENCY 50Hz SPEED 2900 rpm VOLTAGE 1 PHASE 230V 3 PHASE lt 4kW 230 400V 3 PHASE 4kW amp above 400V Standard voltage tolerance 10 Motor specifications are typical and should be confirmed at time of order Assembly for pumps supplied without motors fitted Some Davey VM series multistage pumps require special size motor bearings built into the motor which may not allow the use of standard flange mounted motors
12. rminal block or circuit breaker Note that this work must be carried out by a suitably qualified person For single phase check wiring diagram in terminal box lid NOTE Direction of rotation of the motor diagram is when viewed from the motor shaft end Starting up The pump must not be operated in a no flow condition discharge valve closed for more than 5 minutes with cold water lt 40 C or more than 2 minutes for hot water We recommend establishing a minimum flow of about 10 of the rated capacity of the pump to avoid the formation of a gas pocket at the top of the pump Open the discharge valve to start the pump Use a pressure gauge to check the stability of the discharge pressure if it is unstable bleed the pump again or repeat the priming operation Check that the current draw does not exceed the value marked on the motor data plate Servicing No special servicing is required in normal operation Always keep the pump perfectly clean particularly the motor and motor fan cover For a prolonged shutdown if there is no risk of frost it is best not to drain the pump To avoid blocking of the shaft and the hydraulic system in frosty periods empty the pump by removing the drain plug and the air bleed plug e Screw the 2 plugs back in loosely without tightening them Motors without grease fittings The bearings are greased for life and so need no lubrication Mechanical seal The mechanical seal needs no servicing
13. ssively and completely fill the pump e Screw the bleed plug back in only after water flows out and all air has been eliminated In a hot water application a stream of water may escape from the bleed port Do what is necessary to protect persons and the motor Pump with suction lift e Close the discharge valve e Open the suction valve if fitted e Remove the bleed plug on the main body of the pump e Unscrew the bottom drain and priming plug on the pump casing four or five turns e Put a funnel into the bleed plug and slowly and completely fill the pump and the suction pipe e When water flows out and all air has been eliminated filling is complete e Screw the bleed plug and the bottom drain and priming plug back in The following must be done in addition after the filling plug has been screwed back in e Start the motor briefly e Unscrew the prime plug again and top up the water in the pump e If necessary repeat this operation until all air is expelled from pump Dry running protection To avoid accidental loss of prime of the pump we recommend protecting it with a suitable device Check direction of rotation Turn the coupling by hand to make sure that it turns freely without sticking Power up the motor by briefly pressing the circuit breaker and check that it turns in the direction indicated by the arrow on the pump head If not for three phase interchange two of the three active wires on the motor te
14. to VM3 15 1 VM3 17 amp above 2 Up to VM5 16 1 VM5 19 and VM5 22 2 VM10 12 1 VM10 14 amp above 3 Up to VM16 8 1 VM16 11 amp VM16 14 3 Up to VM32 6 1 VM32 8 amp above 4 VM65 range 1 VM90 range 1 The following figure shows the limitation of pressure and temperature which shall be kept within the region as shown in the figure P bar 28 24 2 20 16 12 Noh 40 0 40 80 120 t C Safety Read this data sheet carefully before installing and starting your pump Pay special attention to the points concerning the safety of the equipment Symbols used in the manual WARNING AN Instructions concerning electricity ATTENTION 1 Calls attention to a potential risk that might affect safety Transport and Storage When taking delivery of the pump check that it has not been damaged in transit If anything is found wrong take the necessary steps with the carrier within the allowed time If the equipment delivered is to be installed at a later time store it in a dry place and protect it from impact and outside hazards moisture frost etc Handle the pump carefully so as not to alter the geometry or alignment of the hydraulic assembly Product Description The pump Multistage vertical pump 2 to 20 stages depending on model Not self priming Ports in line at bottom Shaft sealing by standardized mechanical seal e Flanges Flanges are round fo
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