LDP Pumps
Contents
1. 2 2 a Typical 5 2 2 How the LDP 2 2 Speciation neces FRE Sees Bas 334 33 2 6 Description 2 1 2 2 Description What is the Long Distance Pump LDP The Conair Long Distance Pump LDP is a positive displacement vacuum pump assembly designed specifically for providing centralized vacuum conveying power to conveying sys tems used for the transfer for plastic resins Other parts of these systems include a dust col lector a quantity of vacuum receivers equipped with vacuum sequencing valves a central or distributed control system material valves and an interconnected network of both vacu um and material conveying tubing Typical Applications The Conair LDP is designed to provide vacuum power to connected resin receivers one at a time in a sequenced pattern based on the need for material in the processing machines or hoppers the receivers are mounted upon Central Vacuum Line Long Distance Vacuum Pump Es Material Material 1 Receivers nlet Receiving Hoppers Central Dust Collector How the Conair LDP Works Principle of Operation The Conair LDP pump operates on the highly efficient positive displacement claw principle The counter rotating claw shaped lobes cut through the air entering its inlet and quietly yet powerfully amplify the force of that air into a strong vacuum air stream su2. by an electrician forcing a momentary start at the magnetic starter Proper operation may be confirmed by viewing the direction of the cooling fan of the drive motor compared to the directional arrow on the housing If rotation is correct proceed to full commission ing of the pump If incorrect rotation is observed Stop disconnect Proper Rotation and lock out 3 phase power and switch any two of the three phase leads at the pump starter or the disconnect switch if supplied The LDP pump operates in response to the conveying system control located elsewhere and described in its own operation manual NS NOTE The resin conveying system and its control determine how frequently the LDP pump is called upon to provide vacuum conveying power The system control may be adjusted to serve the needs of conveying and balance that need with operation of the idle mode function so the pump does not start and stop any more often than necessary The LDP pump must be limited to no more than 12 starts per hour If system operation demands more than 12 starts per hour refer to the conveying system control instructions and extend the idle mode time so the pump does not shut down as frequently but contin ues to run in idle mode CAUTION The LDP starts and stops without advance warning in response to the operation of the central vacuum conveying system Personnel in the vicinity of the pump should be alerted about sudden pump starts Ope
3. 814 437 6861 You can commission Conair service personnel to provide on site service by contacting the Customer Service Department Standard rates include an on site hourly rate with a one day minimum plus expenses Before You Call If you do have a problem please complete the following checklist before calling Conair g Make sure you have all model control type from the serial tag and parts list numbers for your particular equipment Service personnel will need this information to assist you a Make sure power is supplied to the equipment g Make sure that all connectors and wires within and between control systems and related compo nents have been installed correctly Check the troubleshooting guide of this manual for a solution a J Thoroughly examine the instruction manual s for associated equipment especially controls Each manual may have its own troubleshooting guide to help you a Check that the equipment has been operated as described in this manual Check accompanying schematic drawings for information on special considerations Additional manuals and prints for your Conair equipment may be ordered through the Customer Service or Parts Department for a nominal fee Most manuals can be downloaded free of charge from the product section of the Conair website www conairgroup com Appendix A 1 2 Appendix Equipment Guarantee Conair guarantees the machinery and equipment on this o
4. Continue further by check ing wiring at the motor itself LDP Operation Problems Problem The vacuum pump starts but labors or runs noisily or rat tles The drive motor draws too much current compared to amperage readings at ini tial start up Cont The pump operates but gen erates a great deal of noise The pump operates but very hot Possible Cause The vacuum pump is running in the wrong direction due to out of phase connection of the incoming power wiring The drive motor starter overload protection is set too low Defective pump bearings Worn coupling element between pump and motor Low oil level in synchronizing gear box visible on sight glass Synchronizing gear damaged due to low oil level Insufficient air ventilation due to dust and dirt Insufficient air ventilation due to proximity to walls or poor room ventilation Conveying air temperature too high Elevated air temperature introduced into the vacuum system by dry air conveying system Partial clogging of the dust collector primary inlet filter or inlet filter screen Blockage of discharge line of pump Vacuum line too long or too small of a diameter Solution Refer to the Operation Section of this User Guide for determining and correcting proper phase motor rota tion Contact Conair Customer Service 1 800 458 1960 From outside of the United States call 814 437 6861 Pu
5. IT DB N D 278 5 www conairgroup com USER GUIDE UGC039 0913 LDP Pump Long Distance Claw Style Vacuum Pump Corporate Office 724 584 5500 Instant Access 24 7 Parts and Service 800 458 1960 Parts and Service 814 437 6861 Please record your equipment s It s a good idea to record the model and serial number s of your equipment and the date model and serial number s and you received it in the User Guide Our service department uses this information along with Wi date you received the manual number to provide help for the specific equipment you installed spaces provided Please keep this User Guide and all manuals engineering prints and parts lists together for documentation of your equipment Date Manual Number UGC039 0813 Serial Number s Model Number s DISCLAIMER The Conair Group Inc shall not be liable for errors contained in this User Guide or for inci dental consequential damages in connection with the furnishing performance or use of this information Conair makes no warranty of any kind with regard to this information including but not limited to the implied warranties of merchantability and fitness for a particular purpose Copyright 2013 The Conair Group All rights reserved Table of Contents 1 1 Introduction Purpose of the User 1 2 How the Guide Is Organized iii 1 2 Your Re
6. and call your attention to important information regarding safe installation and operation Symbols within triangles warn of conditions that could be hazardous to users or could damage equip ment Read and take precautions before proceeding Numbers indicate tasks or steps to be performed by the user A diamond indicates the equipment s response to an action performed by the user An open box marks items in a checklist A circle marks items in a list Indicates a tip A tip is used to provide you with a suggestion that will help you with the maintenance and the operation of this equipment Indicates a note A note is used to provide additional information about the steps you are following throughout the manual Your Responsibility as a User You must be familiar with all safety procedures concerning installation operation and maintenance of this equipment Responsible safety procedures include Thorough review of this User Guide paying particular attention to hazard warnings appendices and related diagrams Thorough review of the equipment itself with careful attention to voltage sources intended use and warning labels Thorough review of instruction manuals for associated equipment Step by step adherence to instructions outlined in this User Guide ATTENTION Read This So No One Gets Hurt We design equipment with the user s safety in mind You can avoid the potential hazards identified on this machine by followin
7. are factory set for 20 of mercury One vacuum relief valve is built into the pump mechanism adjacent to the vacuum inlet The second valve is part of the idle mode valve assembly installed on the inlet to the primary filter Any adjustment made to vacuum levels by Conair technicians only is done to the vacuum relief valve on the idle mode valve assembly Primary Filter Vacuum Inlet Vacuum Relief Valve N CAUTION These settings should never be tampered with nor adjusted or dangerous oper ating levels of the LDP pump could result including a shortened operational life of the pump and or dangerously high vacuum levels throughout the vacuum network Alternatively improper adjustment could result in poor pump performance line clogging and lack of mate rial movement Non return Valve In order to avoid reverse rotation when the pump turns off the LDP is equipped with a non return valve within the vacuum inlet Continued 2 4 Description How the Conair LDP Works continued Pump Operation Oil Free Vacuum Air The vacuum inlet to the pump must be absolutely oil free and lubrication of the pump s interior chamber is neither necessary nor allowed for proper operation Vacuum Air Inlet Temperature Conveying air is introduced to the vacuum system through feed tubes distribution boxes and purge valves and is drawn towards the LDP pump by the vacuum the LDP creates If a dry air conveying configuration is used in the conve
8. be near zero If the reading is measureable or the pump sounds like it is still under vacuum load the valve operation is faulty and is not fully retracting Refer to the Troubleshooting section of this User Guide for repair procedures Maintenance 5 5 Filter Screen Within the Vacuum Inlet to the Pump 5 6 Maintenance Cleaning or Replacing the Inlet Air Screen on the Inlet to the Pump Access to inlet screen After the pump is shut down locked out and allowed to cool sufficiently for touch remove the vacuum inlet hose Loosen the inlet filter pipe stub nut and rotate the filter housing to remove it completely from the pump assembly The inlet filter screen is not visible in the top of the pump s machined housing and may be removed for inspection NS NOTE The inlet screen should not show soiling since the primary cartridge filter catches most dust and fines and protects the pump A soiled inlet screen indicates that the primary filter is either damaged or improperly installed Take appropriate action to 1 Clean repair or replace the primary filter and or housing 2 Determine if the system s dust collector is in satisfactory working order 3 Review filter removal cleaning and replacement procedures for both the sys tem dust collector in a separate manual and the LDP primary filter with appro priate personnel Removing and Cleaning the Filter Bowl on the Compressed Air Line In addition to regular draining the fi
9. e location and prepare the area properly C Make sure that the environment of the pump is not potentially explosive I The following ambient conditions are required ambient temperature 32 F to 104 F 0 C to 40 C ambient pressure 0 to 1000 feet 0 to 305 meters above sea level In the event these conditions cannot be met contact Conair engineering O The LDP pump must be placed mounted horizontally and the base for place ment mounting base must be level J Sufficient cooling must be accommodated by a clearance of at least three 3 feet 1 meter between the pump and nearby walls The installation space or loca tion may require venting to assure sufficient cooling of the pump A CAUTION During operation the surface of the pump may reach temperatures exceeding 158 F 70 C Be aware of the risk of burns Assure that the LDP pump will not be touched inadvertently during operation Provide signage and or a guard as necessary C No heat sensitive materials plastics wood cardboard paper electronics may touch the surface of the pump while in operation mode C Assure the sight glass of the pump s synchronizing oil sump remains accessible to allow for gear oil change when required Assure that the drain port and the filling port of the synchronizing gear remain easily accessible 4 Synchronizing Gear Oil Filling Port within Pump Cabinet Synchronizing Gear Oil Sight Synchronizing Gear Oil Drain Po
10. enoid valve This solenoid valve is pre wired to a cable that must be spliced and extended back to the conveying system control located elsewhere Use of a common electrical junction box not supplied is recommended Refer to the conveying system control instructions for wiring details Assure that the control voltage of the idle mode valve solenoid and the control system match These are typically 24 VDC Compressed Air Installation Compressed Air Connection Compressed air is required for the operation of the Idle mode valve installed on the air inlet of the LDP pump and equipped with a solenoid valve Clean moisture free compressed air must be supplied directly to the solenoid valve body s NPT fitting A flexible hose connection is recommended with enough slack to permit removal of the idle mode valve assembly for service The hose connection must be routed to avoid touching the pump housing which can become hot during operation Specifications for the compressed air supply are 80 to 120 psi 1 5 5 to 8 3 bar 1 7 m3 hr Installation 3 5 3 6 Installation SECTION Operation Gheck Rotation isa RE XEE 4 2 v a t Operation 4 1 4 2 Operation Check Rotation Begin operation with a qualified electrician to determine if rotation is correct The pump may be started for a short period of time by the conveying system control see control operating manual or
11. es per model are Pump Model LDP Pump Inlet Inside Diameter LDP 6 1 5 38 1mm LDP 9 2 0 50 8 mm LDP 11 2 25 57 1 or 2 5 63 5 mm LDP 13 2 5 63 5 mm or 3 0 76 2 mm Vacuum lines to receivers are occasionally upsized to minimize frictional vacuum loss on long vacu um line systems Installation 3 3 3 4 Installation Electrical Installation of the LDP Pump N WARNING Electrical hazard Before performing maintenance or repairs on this product disconnect and lock out electrical power sources to prevent injury from unexpected energization or start up A lockable device has been provided to isolate this product from potentially hazardous electricity N WARNING Improper installation operation or serv icing may result in equipment damage or personal injury This equipment should only be installed adjusted and serviced by qualified technical personnel who are familiar with the construction operation and potential hazards of this type of machine All wiring disconnects and fuses should be installed by qualified electrical technicians in accordance with electrical codes in your region Always maintain a safe ground Do not operate the equipment at power levels other than what is specified on the machine serial tag and data plate The LDP pump requires a minimum of three electrical connections 3 phase power for operation Low voltage pump start signal from the conveying system control Low vo
12. g the procedures outlined below and elsewhere in the User Guide A WARNING Improper installation operation or serv icing may result in equipment damage or personal injury This equipment should be installed adjusted and serviced by qualified techni cal personnel who are familiar with the construction operation and potential hazards of this type of machine All wiring disconnects and fuses should be installed by qualified electrical technicians in accordance with electrical codes in your region Always maintain a safe ground Do not operate the equipment at power levels other than what is specified on the machine serial tag and data plate N WARNING Voltage hazard This equipment is powered by three phase alternating current as specified on the machine serial tag and data plate A properly sized conductive ground wire from the incoming power supply must be connected to the chassis ground terminal inside the electrical enclosure Improper grounding can result in severe personal injury and erratic machine operation Always disconnect and lock out the incoming main power source before open ing the electrical enclosure or performing non standard operating procedures such as routine maintenance Only qualified personnel should perform trou bleshooting procedures that require access to the electrical enclosure while power is on Introduction 1 3 1 4 Introduction SECTION Description What is the Conair
13. ged filter base Do not attempt to patch or repair a damaged filter but replace it with a new filter cartridge 5 Reinstall the filter after cleaning and assure that a firm and continuous seal is made around the base of the filter while tightening the hose clamp Checking the Level of the Synchronizing Gear Oil The level should be slightly above the middle of the sight glass and should stay at that level over the life time of the oil 1 Drain the compressed air filter bowl on the idle mode valve The compressed air supplied to the idle mode valve is filtered to eliminate moisture that may foul the operation of the idle mode pneumatics The filter needs to be drained of col lected moisture Draining can typically be accomplished by simple pushing turning or bending depending one filter type the drain valve on the bottom of the clear filter bowl and allowing the compressed air supply to blow moisture out of the system 2 To avoid spraying collected moisture onto the LDP pump or near by compo nents place a container or tray below the filter before triggering the release valve and be aware of the force of the air supply as it is exhausted NS NOTE Like all maintenance procedures the frequency of moisture draining can be shortened or lengthened based on operating conditions IE the amount of moisture in the air line Cleaning the Pump Housing 1 Since the LDP partially depends upon its own housing to disperse the heat of compress
14. h electrical codes in your region Always maintain a safe ground Do not operate the equipment at power levels other than what is specified on the machine serial tag and data plate Preventative Maintenance Schedule Weekly O Check and clean the inlet air filters and replace as necessary O Check and clean the inlet filter of the idle mode valve Every Three Months CJ Check the level of the synchronizing gear oil The level should be slightly above the middle of the sight glass and should stay at that level over the life time of the oil Semi annual every six months O Clean the pump housing Check the idle mode valve seals Every Year O Clean or replace the inlet air screen on the inlet to the pump O Remove and clean the filter bowl on the compressed air line Every 20 000 Operating Hours or after 6 Years of normal service O Change the synchronizing gear oil Filter Cleaning Instructions Filter cleaning procedure for primary filter 1 Take care not to lose any fasteners 2 With the pump turned off unscrew the black hand knob on the filter housing and slide the filter cover away from the filter housing 3 Remove the wing nut and cartridge filter from the threaded rod mounting and clean thoroughly with vacuum cleaner applied to the outside of the filter If using compressed air to clean be sure to wear eye protection and blow from the inside of the cartridge out The filter cannot be washed I
15. ible Cause The pump starter is not supplied with the correct voltage or is over loaded The drive motor starter overload protection is set too low One or more fuses at the pump s 3 phase disconnect switch have blown The vacuum pump or the drive motor is blocked Loose connection s in the drive motor terminal box Not all legs of the 3 phase supply are properly connected The drive motor is operating on only two phas es Solution Check nameplate and assure correct voltage is supplied Reset overloads Compare the trip level of the drive motor starter overload protection with the amperage data on the nameplate correct as necessary In case of high ambient temperature set the trip level of the drive motor starter overload protection 5 percent above the nominal drive motor cur rent Check for cause of blown fuse and replace fuse s Disconnect and lock out power to the pump and remove the motor fan cover Try to turn the drive motor and the vacuum pump by hand If the unit is still frozen remove the drive motor and check the drive motor and the vacuum pump sepa rately If the vacuum pump is blocked repair the vacuum pump contact Conair Service If the drive motor is frozen remove and replace the motor Tighten or rework loose connec tions Check the for proper connection of the wires in the starter box and in the fused disconnect switch if sup plied Continue by checking supply voltage
16. ilter Bowl on the Compressed Alf Lin eee ea 5 6 Synchronizing Gear Oil Change 5 7 Continued Table of Contents i iv Table of Contents Table of Contents continues 6 1 Troubleshooting Before Beginning A Few Words of LDP Operation Problems Appendix Customer Service Information Warranty Information SECTION DI y Introduction Purpose of the User Guide 1 2 How the Guide Is Organized 1 2 Your Responsibilities as aUser 1 2 ATTENTION Read This So No One Gets Hurt 1 3 Introduction 1 1 1 2 Introduction Purpose of the User Guide This User Guide describes the Conair LDP or Long Distance Pump and explains step by step how to install and operate this equipment Before installing this product please take a few moments to read the User Guide and review the diagrams and safety information in the instruction packet You also should review man uals covering associated equipment in your system This review won t take long and it could save you valuable installation and operating time later How the Guide is Organized Symbols have been used to help organize the User Guide
17. ion make sure that the housing is free from dust and dirt and clean as necessary 2 Remove the acoustic enclosure from the pump assembly and clean the pump modules below Use common water and degreaser as necessary 3 Carefully wipe off cleaning residue before finishing to assure good heat trans fer through the housing to the surrounding air 4 Clean the fan cowlings fan wheels the ventilation grilles and cooling fins 5 Remountthe acoustic enclosure DI NOTE Make sure that the internal foam does not get soaked with water Checking the Idle Mode Valve Seals Check the idle mode valve seals by carefully observing normal operation of the valve Observe the vacuum guage of the pump and compare to normal operation for this pump Idle Mode Valve closed during conveying The valve seal should not hiss or whistle nor pass air into the valve which would indicate leakage of the valve seal The vacuum guage should indicate full vacu um power If leaking is observed or heard or the guage indicates a vacuum loss during normal conveying idle the Idle Mode Valve seals should be carefully inspected for damage or misalignment Refer to the Troubleshooting section of this User Guide for repair procedures Idle Mode Valve Idle Mode Valve open during idle mode operation The valve should be fully retracted allowing full vacuum to pass through the valve and enter the pump through the valve s course screen inlet Vacuum level reading should
18. itable for conveying plastic materials long distances and or at high rates The advanced claw shape also smooths the trailing edge of the compres sion action further minimizing the genera tion of noise Claw pumps are dimen sioned so that there is never contact between the two claws nor between a claw and its machined housing yet the precision gaps between these components are small enough to keep the clearance loss between the air compressing chambers low and vacuum performance high Continued How the Conair LDP Works continued Features Primary Filter Gauge e 3 Phase Starter Filter Screen Inside Pump Vacuum Inlet Connection Non return valve Inside Pump Idle Mode Valve and Filter Synchronizing Gear Oil Sight Glass Filtration In order to avoid the suction of dust the LDP must be installed into systems equipped with a central dust collector where dust and fines carried over from material receivers is removed from the vacuum air stream In addition the LDP pump is equipped with three 3 additional air filters The primary pump filter designed for regular maintenance is a paper cartridge style located in an easily serviced housing above the main pump housing see Filter Cleaning Instructions in the maintenance section of this User Guide The Idle Mode Valve see description below also contains a paper cartridge style filter exposed to atmosphere and visible near the inle
19. its locking nut Reinstall the vacuum inlet hose onto the filter housing Dispose of the used oil in compliance with applicable regulations The LDP pump 1s ready to be returned to service Synchronizing Gear Oil Specifications LDP Pump Model Recommended Gear Oil LDP 6 Busch R550 LDP 9 Busch R550 LDP 11 Busch R550 LDP 13 Busch VS220 Use of alternative gear oils require more frequent oil changes Maintenance 5 7 5 8 Maintenance SECTION Troubleshooting Before Beginning x dcc de dob 20434024548 6 2 A Few Words of 6 2 LDP Op ration lt 6 3 49 0 r Q Troubleshooting 6 1 Before Beginning You can avoid most problems by following the recommended installation operation and maintenance procedures outlined in this User Guide If you have a problem this section will help you determine the cause and tell you how to fix it Before you begin troubleshooting A Find any wiring parts and assembly diagrams that were shipped with your equipment These are the best reference for correcting a problem The diagrams will note any cus tom features or options not covered in this User Guide 1 Verify that you have all instructional materials related to the LDP Additional details about troubleshooting and repairing specific components are found in these materials J Check that you have manual for other equi
20. ltage idle mode valve signal from the conveying system control 3 Phase Power Wiring The LDP pump is equipped with a fully wired 3 phase magnetic starter installed on the pump assembly NS NOTE Installation of a nearby fused disconnect switch not supplied dedicated to the pump is recommended 3 Phase Magnetic Starter Box The supply voltage of the LDP was determined at the time of sale and supplied accordingly Check the nameplate voltage and amperage of your specific model prior to beginning elec trical installation 3 phase power including ground is connected directly to starter box Pump Start Signal Wiring The pump start signal from the conveying system control located elsewhere will connect directly to the magnetic starter and typically integrates with the starter s overload circuitry for safe overload protection Follow the wiring directions included within the starter enclo sure Additionally low voltage wires from the conveying system control will frequently be connected to signal the conveying system control in the event of a pump overload condition to alert the operator Refer to the conveying system control instructions for wiring details Assure that the control voltage of the pump starter and the control system match These are typically 24 VDC Idle Mode Valve Wiring The Idle mode valve is installed on the air inlet of the LDP pump and operates on com pressed air via an electrical sol
21. lter bowl should be carefully examined and cleaned each year so that moisture levels can be observed and the condition of the filter media can be examined 1 Disconnect the air supply and rotate the filter bowl to unscrew remove and clean it If the filter media inside the bowl is darkened it should be replaced 2 Once clean and or replaced remount the filter bowl and re connect the com pressed air supply Synchronizing Gear Oil Change Procedure After the pump is shut down locked out and allowed to cool sufficiently for touch remove the vacuum inlet hose Loosen the inlet filter pipe stub nut and rotate the filter housing to the side Remove the lifting eyebolt and remove the cover Open the venting valve to allow the oil to drain Place a drain pan underneath the drain plug and open the drain plug Drain the oil into the pan Make sure that the seal ring on the drain plug is intact and replace if necessary After draining is complete firmly reinstall the drain plug with the seal ring Remove the venting valve from the housing and fill the synchronizing gear case with new gear oil see specifications below until the level is slightly above the middle of the sight glass Make sure that the seal ring on the venting valve is undamaged and replace if necessary Once filling is complete replace the venting valve together with the seal ring Re mount the cover re insert the eyebolt swing the filter inlet back into line and tighten
22. maged The valve disk of the inlet non return valve is stuck in the closed or partially open position Idle mode valve is not receiving proper signal from conveying sys tem control Idle mode valve is not closing fully Malfunction of solenoid or internal plunger Solution Check hose and tubing connections throughout the system for leaks at couplers and stubs Perform routine filter cleaning replacement or maintenance to clear the air path to the pump Systematically check each receiver that is connected to the pump and assure its vacuum valve closes firm ly when it is not loading No air should flow through the valve when it is closed Refer to the vacuum receiver instructions Contact Conair Customer Service 1 800 458 1960 From outside of Disassemble the inlet clean the the United States screen and the valve as required all 814 437 6861 Repair the vacuum pump Contact Conair Service re assemble Check conveying system control operation Refer to control instruc tions Check wiring between control and pump Repair replace idle mode valve sole noid Repair replace idle mode valve plunger Continued Troubleshooting 6 3 LDP Operation Problems Problem The vacuum pump does not start The vacuum pump starts but labors or runs noisily or rat tles The drive motor draws too much current compared to amperage readings at ini tial start up 6 4 Troubleshooting Poss
23. mp repair required Contact Conair Service Replace the coupling element Pump repair required Contact Conair Service Pump repair required Contact Conair Service Clean the fan cowling fan wheel ventilation grills and cooling fins See Operating Conditions environ ment 2 through 4 in the Installation Section of this User Guide See Vacuum air inlet temperature in the Introduction Section of this User Guide for guidelines Install inlet air heat exchanger Clean accordingly Keep clean through periodic maintenance Remove blockage and or allow pump to discharge air without restriction System design flaw Contact Conair for re engineering Troubleshooting 6 5 6 6 Troubleshooting We re Here to Help Conair has made the largest investment in customer support in the plastics industry Our service experts are available to help with any problem you might have installing and operating your equip ment Your Conair sales representative also can help analyze the nature of your problem assuring that it did not result from misapplication or improper use How to Contact Customer Service To contact Customer Service personnel call INSTANT ACCESS CONAIR PARTS amp SERVICE d A le v E s o x 50 regnato NOTE Normal operating hours are 8 00 am 5 00 pm EST After hours emergency service is available at the same phone number From outside the United States call
24. nance intervals significantly During any maintenance procedure make sure that the pump is shut down and locked out against in advertent start up A A AN CAUTION During operation the surface of the pump may reach temperatures exceeding 158 F 70 C Be aware of the risk of burns WARNING Voltage hazard This equipment is powered by alternating current as specified on the machine serial tag and data plate Do not operate the equipment at power levels other than what is specified on the machine serial tag and data plate A properly sized conductive ground wire from the incoming power supply must be connected to the chassis ground terminal inside the electrical enclosure Improper grounding can result in severe personal injury and erratic machine operation Before performing maintenance or repairs on this product disconnect and lock out electrical power sources to prevent injury from unexpected energization or start up A lockable device has been provided to isolate this product from poten tially hazardous electricity WARNING Improper Installation operation or serv icing may result in equipment damage or personal injury This equipment should only be installed adjusted and serviced by qualified technical personnel who are familiar with the construction operation and potential hazards of this type of machine All wiring disconnects and fuses should be installed by qualified electrical technicians in accordance wit
25. nspect the filter for tears leaks blinded filter media and a bent or distorted filter base Do not attempt to patch or repair a damaged filter but replace it with a new filter cartridge 4 Replace the filter after cleaning and assure that a firm and continuous seal is made around the base of the filter while tightening the securing nut accordingly Do not crush the filter by over tightening 5 Replace the filter cover and tighten the black hand knob Continued Maintenance 5 3 NOTE Excessive dust here will mean additional attention to cleaning the pump housing is probably required NOTE If the oil level has dropped the gear housing is leaking and requires special technical servicing Contact Conair Customer Service 1 800 458 1960 From outside of the United States call 814 437 6861 5 4 Maintenance Filter Cleaning Instructions continued Filter cleaning procedure for idle mode valve filter 1 The filter may be cleaned thoroughly with a vacuum cleaner applied to the outside of the filter without removing the filter If using compressed air to clean the filter it must be removed from the assembly 1 The filter is secured to its base by a hose clamp Loosen the hose clamp enough to slide the filter off the base 2 Be sure to wear eye protection and blow from the inside of the cartridge out 3 The filter cannot be washed 4 Inspect the filter for tears leaks blinded filter media and a dama
26. pment connected in the system Troubleshooting may require investigating other equipment attached to or connected with the LDP A Few Words of Caution N WARNING Improper installation operation or servicing may result in equipment damage or personal injury This equipment should only be installed adjusted and serviced by qualified technical personnel who are familiar with the construction operation and potential hazards of this type of machine All wiring disconnects and fuses should be installed and adjusted by qualified electrical technicians in accordance with electrical codes in your region Always maintain a safe ground Do not operate the equipment at power levels other than what is specified on the machine serial tag and data plate WARNING Electrical hazard Before performing maintenance or repairs on this product disconnect and lock out elec trical power sources to prevent injury from unexpected energization or start up A lock able device has been provided to isolate this product from potentially hazardous electrici ly gt gt 6 2 Troubleshooting Continued LDP Operation Problems Problem The vacuum pump does not reach the usual pressure Possible Cause The vacuum line system is not leak tight Primary filter or internal filter are partially clogged Vacuum receiver valves are not clos ing properly preventing other receivers from loading properly Internal pump parts are worn or da
27. ration is fully automatic once properly installed and commissioned and no operator intervention is required but users should familiarize themselves with the conveying system operation by reading the control system manual SECTION Maintenance Warnings and 5 2 Preventative Maintenance Schedule 5 3 Filter Cleaning Instructions so ks 5 3 Checking the Level of the Synchronizing Gear Oil 5 4 Cleaning the Pump HOUSING 5 5 Checking the Idle Mode Valve Seals 5 5 Cleaning or Replacing the Inlet Air Screen on the Inlet TO the PUMP 5 6 Removing and Cleaning the Filter Bowl on the D E TE 2 I D gt o Compressed 5 6 Synchronizing Gear Oil Change Procedure 5 7 Maintenance 5 1 5 2 Maintenance Warnings and Cautions To maintain the best performance of the LDP it must be cleaned and inspected regularly Maintenance includes a daily weekly quarterly and semi annual every 6 months sched ule NS NOTE Maintenance intervals depend a great deal on the specific operating conditions of your operation and your conveying system The following intervals should only be considered a starting reference which can be shortened or extended as appropriate Particularly heavy operation with high dust content loading IE powder conveying can make it necessary to shorten the mainte
28. rder for a period as defined in the quotation from date of shipment against defects in material and workmanship under the nor mal use and service for which it was recommended except for parts that are typically replaced after normal usage such as filters liner plates etc Conair s guarantee is limited to replacing at our option the part or parts determined by us to be defective after examina tion The customer assumes the cost of transportation of the part or parts to and from the factory Performance Warranty Conair warrants that this equipment will perform at or above the ratings stated in specific quotations covering the equipment or as detailed in engineering specifications provided the equipment is applied installed operated and maintained in the recommended manner as out lined in our quotation or specifications Should performance not meet warranted levels Conair at its discretion will exercise one of the following options Inspect the equipment and perform alterations or adjustments to satisfy performance claims Charges for such inspections and corrections will be waived unless failure to meet warranty is due to misapplication improper installation poor maintenance practices or improper operation Replace the original equipment with other Conair equipment that will meet original performance claims at no extra cost to the customer Refund the invoiced cost to the customer Credit is subject to prior notice by
29. rt Below Pump Frame Check Synchronizing Gear Oil The LDP pump is supplied with oil in its synchroniz ing gear chamber Before operation check that the level is slightly above the middle of the sight glass See the Synchronizing Gear Oil Level Procedure Filling and Replacement in the maintenance section of this User Manual Mechanical Installation of the LDP Pump N CAUTION Lifting To avoid personal injury or damage to the pump lift the pump using a forklift or hoist with straps that have been positioned under the pump s center of gravity Follow the conditions listed previously and place the LDP pump into operating position Movement of the pump is best accommodated by a fork lift truck with forks inserted below the main frame of the pump Carefully placed lifting straps are also suitable Use of the center lifting hook is NOT advised for lifting the entire LDP assembly For installation convenience ease of service and to assure no mechanical pressure is applied to the pump inlet use a length of flexible hose for connection between the LDP vacuum inlet and the central dust collector or tubing The diameter of the inlet line tubing hose must match the vacuum Inlet Hose specifications provided by Conair at the time of sale In some cases the vacuum line Connection Stub size may be larger and or of a different construction IE alu minum than the tubing provid ed for conveying material Common inlet line siz
30. sponsibilities as a 1 2 ATTENTION Read this so no one gets 1 3 2 1 Description What is the 1 2 2 Typical Applications 0 0 RII 2 2 ROW the LDP rossi a aaa 2 2 Specifications LL 2 6 3 1 Installation Preparing for Installation eee 3 2 Mechanical Installation of the LDP 3 3 Electrical Installation of the LDP 3 4 3 Phase PoWer WINING oett eere here tbe PER En 3 4 Pump Start Signal Wiring cee 3 5 Idle Mode Valve Wiring 3 5 Compressed Air 5 3 5 4 1 Operation TEE ROTATION a Ene e 4 2 5 1 Maintenance and Cautions A 5 2 Preventative Maintenance Schedule 5 3 Filter Cleaning 5 0 5 3 Checking the Level of the Synchronizing Gear 5 4 Cleaning the Pump Housing 5 5 Checking the Idle Mode Valve 5 5 5 Cleaning or Replacing the Inlet Air Screen on the Inlet to the PUMP 5 6 Removing and Cleaning the F
31. ssed air 80 120 psi 5 5 8 2 bar 1 2 ft 28 57 liters SPECIFICATION NOTES For operation of idle mode valve Specifications may change without notice Consult with a Conair representative for the most current information Application Notes All conveying system pump applications should be specified and approved by Conair system engineers for optimal performance Critical information for correct sizing must include horizontal material conveying distance vertical material conveying distance number and type of material conveying elbows length of material conveying flex hose length of vacuum line altitude feet above sea level of operating location material s being conveyed and bulk density s total throughputs Options 3 phase disconnect switch Use of a 3 phase disconnect switch near the pump installation is recommended Aftercooler on dust collector Pump stacking stand SECTION Installation Preparing for Installation 3 2 Mechanical Installation of the LDP Pump 3 3 al Electrical Installation of the LDP Pump 3 4 zo P hase Power WINING ss ertasi e 3 4 Pump Start Signal 0 3 5 Idle Mode Valve Wiring 3 5 Compressed Air Installation 3 5 Installation 3 1 3 2 Installation Preparing for Installation The LDP Pump is easy to install if you plan th
32. t con nection of the pump see Filter Cleaning Instructions in the maintenance section of this User Guide Lastly a back up air filter screen is located within the vacuum inlet of the pump itself but requires minimal attention Primary Filter Inside Housing Filter Screen Within the Vacuum Inlet to Idle Mode the Pump Valve Filter CAUTION Foreign objects can destroy the LDP pump Never operate the pump without the inlet filters properly installed Continued Description 2 3 How the Conair LDP Works continued Electrical The LDP pump is equipped with a fully wired 3 phase magnetic starter installed on the pump assembly Idle Mode Valve The LDP is supplied with a pneumatically controlled vacuum inlet air by pass mechanism called an Idle Mode Valve that permits the LDP to continue running after material convey ing has concluded by switching the vacuum inlet of the LDP to filtered ambient air The idle mode valve allows the pump to run with no load for a period of time set at the convey ing system control to cool the pump and avoid unnecessary shut down start up when con veying cycles are frequent but not continuous Vacuum Relief Valves The LDP pump is equipped with two vacuum limiting devices that safely regulate the vacu um pressure of the pump to levels within the design parameters of the pump and for the resin conveying application the LDP pump is designed to provide Both are spring biased valves that
33. the customer at which time a Return Goods Authorization Number RGA will be issued by Conair s Service Department Returned equipment must be well crated and in proper operating con dition including all parts Returns must be prepaid Purchaser must notify Conair in writing of any claim and provide a customer receipt and other evidence that a claim is being made Warranty Limitations Except for the Equipment Guarantee and Performance Warranty stated above Conair disclaims all other warranties with respect to the equipment express or implied aris ing by operation of law course of dealing usage of trade or otherwise including but not limited to the implied warranties of merchantability and fitness for a particular purpose
34. ying system the vacuum air is likely to exceed the safe limit of 180 F 82 and the conveying air must be cooled before it enters the LDP pump An air to water heat exchanger cooling device is a common solution installed directly prior to the pump inlet or prior to the system dust collector If your sys contact Conair Customer Service tem operates with elevated conveying air temperatures IE dry air conveying yet is not fit 1 800 458 1960 ted with a precooler for the air contact Conair From outside of the United States Cooling the LDP call 814 437 6861 The LDP is cooled by radiation of heat from the surface of the pump air flow from the fan of the drive motor the conveying air passing through the pump and the fan on the shaft cou pling between the motor and the pump module Description 2 5 2 6 Description Specifications TPCX060 0813 MODELS LDP 6 LDP 9 LDP 11 LDP 13 Performance characteristics Horsepower kW 10 7 8 12 7 9 5 ACFM 200 277 Average sound level dbA 82 83 Vacuum inlet size inches mm 2 25 57 1 or 2 5 63 5 or 2 5 63 5 3 0 76 2 Outlet size inch NPT 1 25 2 0 Dimensions inches mm Height 30 762 34 864 34 864 38 965 Width 40 1016 45 1143 45 1143 52 1321 Depth 25 635 29 737 29 737 29 737 Voltage Full Load Amps 190 208V 3 phase 50 hz 220 230V 3 phase 60 hz 380 415V 3 phase 50 hz 440 460V 3 phase 60 hz 575V 3 phase 60 hz Compre
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