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Maguire Products, Inc.

Edition: November 5, 2010

84

LPD Dryer

®

5.2 - Possible Service Issues

5.2.1 – Loss of Vacuum

If ALL canisters fail to hold vacuum:

1. Confirm adequate air pressure, set 80 PSI when vacuum generator is on.

2. Check the rubber seals on the top and bottom disks.

Wipe clean with a mild household cleaner if they are contaminated by dust and
powder, etc. Check for deep cuts.

3. Confirm the vacuum disk s are loose and can tilt slightly so they properly self align to

the canister surface.

4. Check the air solenoid.

Air should be blowing out the vacuum venturi exhaust port.

5. Check the Vacuum Generator.

With canisters removed, reach in and cover the vacuum port in the underside of the
top vacuum disk. The gauge should go immediately to full vacuum. If it is slow to
reach full vacuum the vacuum generator may be contaminated from oil in the
compressed air mixing with dust drawn from the canister. If your air is oily, add an
oil separator.

6. Check the Purge Valve.

On Dryers produced before 2

nd

quarter 2005, remove and plug the purge line to

confirm that a leaking purge valve is not the source of the problem.

If only ONE canister fails to hold vacuum:

1. Inspect the contact edges of the canisters for damage.

2. Confirm all through-bolt connections are tight.

3.

Confirm the canister seam is air tight. Add tape along this seam to check.

5.2.2 – Damaged Vacuum Disks

Over time, the vacuum rubber seals may become grooved or
loose resiliency and not seal well. Our experience with these
gaskets is limited to about 3 years. If you have problems,
they can be easily replaced. The vacuum disks, when
installed properly, are free to move slightly for self-alignment.

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Содержание LPD-30

Страница 1: ...MAGUIRE PRODUCTS INC LPD Dryer LPD Low Pressure Dryer INSTALLATION OPERATION MAINTENANCE Copyright Maguire Products Inc 2010 Models LPD 30 LPD 100 LPD 200 ...

Страница 2: ...Maguire Products Inc Edition November 5 2010 2 LPD Dryer ...

Страница 3: ...oducts Inc accepts no responsibility or liability for damage or malfunction of the equipment arising from non observance of these operating instructions To avoid errors and to ensure trouble free operation it is essential that these operating instructions are read and understood by all personnel who are to use the equipment Should you have problems or difficulties with the equipment please contact...

Страница 4: ...this manual or find errors please let us know so that we may make the required corrections or provide you with accurate information Additionally we will gladly provide you with an updated copy of any manuals you need at any time We welcome comments and suggestions on ways we can improve this manual For additional information or to download the latest copy of this manual or any other Maguire manual...

Страница 5: ...ssed Air Connection 13 2 2 5 Electrical Connection 14 2 3 Installing Maguire Receiver on Process Machine 15 2 4 Using Your Own Receiver Loader 16 2 5 Using the Maguire Receiver to load the Dryer 17 2 6 Dual Convey Option 19 PART 3 OPERATION 23 3 1 Standard Operation 23 3 2 Recommended Cycle Times 24 3 3 Standard Operating Sequence 25 3 4 Operating Features Options 26 3 4 1 Convey Only Mode 27 3 5 ...

Страница 6: ...ts 78 4 13 Decommissioning and Disposal 80 PART 5 TROUBLESHOOTING SOFTWARE 81 5 1 Alarms Cause and Solution 81 5 2 Possible Service Issues 84 5 2 1 Loss of Vacuum 84 5 2 2 Damaged Vacuum Disks 84 5 2 3 Heater Safety Switches Tripped 85 5 2 4 Filter Clogged 85 5 3 Print Outputs 86 5 4 Material Not Drying Correctly 87 5 5 Dryer Software Backup Restore Factory Reset 88 PART 6 General Information 89 6...

Страница 7: ...ES It will take about 10 minutes THESE PAGES COVER Warranty and Disclaimers What we Warranty and what we cannot promise SAFETY Warnings Safety warnings INSTALLATION Assembly and setup OPERATION What buttons to push MAGUIRE LPD Dryers are protected by U S patent 6 154 980 Additional U S and International patents are pending GETTING STARTED PROCEED TO WARRANTY AND DISCLAIMERS NEXT PAGE ...

Страница 8: ...that we always strive to satisfy our customers in whatever manner is deemed most expedient to overcome any problems they may have in connection with our equipment Excluded Items The ability of the canisters to hold vacuum will be compromised if the vacuum seal edge is damaged from mishandling We do not warranty canisters damaged from improper handling We do however warranty the seals Disclaimers P...

Страница 9: ...rs might cause injury Additionally the disks above and below each canister close automatically and present a pinch point For these reasons an interlock on the access door prevents all operations while the door is open DO NOT DEFEAT this interlock DO NOT try to index the canisters by hand against the force of the positioning air cylinder They will swing back rapidly when released If you disconnect ...

Страница 10: ... plastic wire ties to affix the canister from turning on the Series 30 units On the Series 100 and 200 models it is advisable to use packing material around the canister support brackets and ship the canisters on a separate skid or carton Lifting DANGER OF INJURY If the weight is unevenly distributed the Dryer may tip and injure people when it is lifted Lift the Dryer with a fork truck or suitable...

Страница 11: ...30 model Dryers Loosen thumbscrews and slide plates away from opening Insert hopper into opening so that air supply hoses are facing the same side of the Dryer as the fitting they will attach to Slide both lock plates towards hopper and over hopper flange Tighten thumbscrews Attach hopper air supply quick connect fittings ...

Страница 12: ...ith the boltholes in the fill hopper intake plate For easy accessibility orientate the hopper so that the manual slide gate handle and hopper access door are accessible from the side or rear of the Dryer Note LPD 200 Series is equipped with a Cleanout Chute The LPD 200 hopper is elevated 2 7 8 inches higher than the LPD 100 hopper For easy cleanout of the LPD 200 hopper orient the hopper so the ma...

Страница 13: ...itions in the Canister Hanger Assembly These three Positions are labeled 1 2 and 3 The number identifies the canisters position in the assembly 2 2 4 Compressed Air Connection Connect an air supply to the air regulator s IN port using a male NPT fitting An operating air pressure of 80 psi 5 5 bar while the vacuum generator is running is required for proper operation of the Dryer Note The Vacuum Ge...

Страница 14: ...agrams on page 95 for wiring details Confirm Correct Blower Rotation On THREE PHASE units CONFIRM CORRECT BLOWER ROTATION by following these instructions Turn power on using main power switch Press Display will say ENTER FIVE DIGIT PASSWORD _ _ _ _ _ Press 22222 Display will say TEMP 63 F v 0in MODE PROGRAM CAN 2 Press BLOWER Press CONVEY Place hand over the CONVEY VACUUM CONNECTION port located o...

Страница 15: ... the 2 inch vacuum line to the Convey Vacuum Connection port Attach the other end of the 2 inch vacuum line to the port located on top of the Maguire Receiver vacuum again using a hose clamp Orient the top port to face the right side of the Dryer by loosening the two clamps and rotating it to face the right side if the Dryer for better access to the Convey Vacuum Connection port Next attach the ma...

Страница 16: ...controller DO NOT wire tie the SENSOR cable to the MATERIAL hose This will induce static spikes into the processor Keep them separated 2 4 Using Your Own Receiver Loading System on a process machine If you have installed our receiver PROCEED TO OPERATION If you use your own Receiver Loading System Attach your Material Convey line to the Dry Resin Takeoff port on the Dryer ...

Страница 17: ...u have you will use one of two patterns to drill out the necessary holes in the Hopper Lid Blank Note The Hopper Lid Blank can be supplied pre drilled if requested Patterns are for ADR 1 or ADR 4 and are located in this manual on page 119 First remove the two retaining screws from the Hopper Lid Blank then using the appropriate pattern mark and drill the holes in the Hopper Lid Blank Then re attac...

Страница 18: ...ing it to face the right side if the Dryer for better access to the Convey Vacuum Connection port Next attach the material convey line to the Maguire Receiver s lower port material convey using a hose clamp The other end of the material convey line will attach to your material source such as a Material Pick Up Lances as pictured to the right Attach one end of the Convey Sensor Cable to the cable p...

Страница 19: ...e installation of the Dual Convey Option on LPD 100 and LPD 200 Series Dryers 1 Open the front access door of the Dryer loosen the hose clamp that secures the short pipe labeled Dry Resin Takeoff Pipe top pipe Remove the short stock pipe as shown above 2 Insert the Y Resin Takeoff Pipe into the short connector hose and into the Vacuum takeoff Assembly VTA Fitment may be tight use a rubber mallet o...

Страница 20: ...eft edge of the panel and 41 inches up from the bottom of the panel On 100 Series Dryers 2 inch in from the left edge of the panel and 37 inches up from the bottom of the panel 4 Using the supplied pipe clamp secure the Dual Convey Shifting Valve to the Convey Vacuum Connection pipe located below the Y pipe installed previously 5 Remove the blowgun air hose from the inch NPT T fitting and install ...

Страница 21: ...e up to the louver located to the left of the air manifold and run the line into the louver c With the back upper panel removed route the airline along with the existing airlines and wires Run the airline through the existing wire loops to hold the airline in place d Route the airline down the inside corner through the access hole Route the airline inside the Dryer towards the front and out the lo...

Страница 22: ...o Maguire Receivers on the process machines 10 Run a Vacuum Convey Line from each of the Maguire Receivers on the process machines to the appropriate Receiver Vacuum port on the Dual Convey Shifting Valve The assigned number Receiver Receiver 2 depends on how you want to refer to and assign your receivers Note Be sure that you run the BOTH the Convey Sensor cable for Receiver 1 and Receiver 2 and ...

Страница 23: ...umbwheel switches See RECOMMENDED CYCLE TIMES next page These are suggested starting points only Run moisture tests to determine correct cycle times or submit your material to us for determination See form on page 87 for material testing 4 OPERATOR STATION Left Side On the POWER box a Turn MAIN POWER on RED switch On power up the canisters will index to a starting position based on the position wh...

Страница 24: ... 25 30 150 300 SAN 0 20 0 10 20 40 80 180 Final moisture content as recommended by the raw material manufacturer Recommended cycle time is based on average initial moisture content For high initial moisture content cycle time should be extended 5 minutes When in doubt contact Maguire Service Drying temperature as recommended by the material manufacturer Drying is accomplished when all material rea...

Страница 25: ...ister at the bottom to deliver material to the process If the bottom sensor was not uncovered at the time of indexing the fill valve will delay opening until the sensor becomes uncovered 5 The canister fill valve over the Fill and Heat Station opens filling the canister A sensor located under the Fill and Heat Station confirms the canister is in place before the fill valve will open 6 The heater t...

Страница 26: ...re someone has to manually empty the canisters after each index See Star Functions on page 37 for more information Cycle Time Alarm 36 Alarm to alert an operator that material has run out before end of cycle Convey Options 39 Material convey options are Standard Convey Convey and Purge and Convey to Dryer See Star Functions on page 37 for more information Convey Alarm 40 After initial filling of t...

Страница 27: ...this mode Press and hold the Set Convey Time button to set the convey time When conveying starts immediately press the convey time button and hold until the desired level in the receiver is reached then release This load time will be saved by the software Once started the LPD will only process convey requests from the convey signal sensor on the ADR Exit convey only mode press the STOP button and ...

Страница 28: ...ut and color change up to this point the fill point above the canister See section 4 13 Canister Removal Cleaning on page 66 under the Maintenance and Service section In the CLEAN mode CANISTERS DO NOT INDEX at the end of the cycle The ALARM sounds and the display says CLEAN When the ALARM sounds 1 Press Alarm Silence to preserve your sanity 2 Remove clean and replace the canister close door 3 Pre...

Страница 29: ...erator or has stopped between cycles in the clean out mode MODE AUTO CLEAN Select AUTO for normal automatic indexing of canisters Select CLEAN to PREVENT AUTOMATIC INDEXING This is for COLOR CHANGES INDEXING will NOT occur automatically Instead the ALARM will sound and the operator knows to CLEAN OUT the empty canister for the next color With a CLEANED CANISTER in place the door is closed and the ...

Страница 30: ...operator must press the INDEX button to advance the canisters after cleaning SILENCE ALARM This button silences the STROBE and BEEPER ALARMS but does not remedy the cause of the alarm ALARM SPEAKER CONVEY ON OFF Operates only if a Maguire vacuum receiver is connected to the Dryer controls Turn ON to enable conveying of dried material to your process machine SET CONVEY TIME Operates only if we prov...

Страница 31: ... of material See Recommended Cycle Times chart on page 24 Material that does not require drying may still be allowed to pass through the system by setting both thumbwheels to 000 The heater and vacuum will not operate but indexing will still occur DISPLAY Vacuum Fluorescent Display VFD All visual information will be displayed on this display Strobe Light Beeper Alarm STROBE LIGHT and BEEPER ALARMS...

Страница 32: ...o force a convey cycle when some additional conveying is required to keep up with the process Works only when the dryer is running in AUTO Mode EMPTY KEY Opens the bottom valve at the DISPENSE station to dispense the material in the canister above through the VTA chamber Toggles Open Close Can be operated in Auto Mode while the door is open for cleanout KEYPAD See next section for Keypad functions...

Страница 33: ... can also be used to update the controller s software For information about updating the controller software see Updating Controller Software and the Star function 93 Notes about printing to a USB drive When saving printout information to a USB drive the USB drive must contain a folder named maguire and within the folder a file labeled PRINTER TXT must be present It is this file PRINTER TXT that p...

Страница 34: ...CED mode press then 33333 or your own password In Manual Program or Advanced modes automatic operation cannot occur You can enter these modes only when the dryer has been STOPPED by pressing the CYCLE STOP button To change passwords see 45 78 and 79 below The following keys operate in ALL modes Display Key Used to toggle the display See key for descriptions Display when idle TEMP 90c V 640mm MODE ...

Страница 35: ... ROUTINES section The following keys operate in MANUAL and PROGRAM modes Position 1 Key Rotate the canister in Position 1 around to the Dispense station Position 2 Key Rotate the canister in Position 2 around to the Dispense station Position 3 Key Rotate the canister in Position 3 around to the Dispense station Note Each canister hangs in one of three positions in the Canister Hanger Assembly Thes...

Страница 36: ...r Toggles Open Close Can be operated in Auto Mode while the door is open for cleanout Convey Key Shift hot air flow valves to convey material Toggles convey On Off Also works while Dryer is running Blower Key Turn on the blower Toggles On Off Heat Key Turn on the heater Toggles On Off Will not operate without blower running Vacuum Key Turn on the vacuum generator Toggles On Hold holds vacuum Off r...

Страница 37: ...ate Format Set current Date and Time 12 Restore Factory Default Settings 22 Auto Start Disable Enable Disable 23 Copy the current User Settings into the Backup Disable 24 Auto Stop Disable Enable Disable 25 Display Firmware Status and Checksum Disable 32 Copy the current Backup to the User Settings 33 Material Ready Alarm Disable Enable Disable 34 Index Complete Alarm Disable Enable Disable 35 Ala...

Страница 38: ...ch MONTH __ DAY __ YEAR __ HOUR __ MIN __ Use the key to step through all fields without change Enter new settings where required The correct date and time for Eastern Standard Time were entered at the factory You will want to correct this for your time zone After entering the minutes the controller will exit to program mode and save the changes to date and time Press Exit again to exit out of Pro...

Страница 39: ... explanation of the memory areas in the Dryer software as well as the use of the Clear and Clear All Routines see page 88 Once saved this information is then available for retrieval using the CLEAR routine press CE key on Power Up or by using the 32 function described next When finished press Exit to save changes then press Exit again to exit out of Programming Mode Accessible in Program Mode Only...

Страница 40: ...in the User Backup Settings Also if you have been making changes to User Settings and now wish to restore all settings to what they were at power up this is the function to use When finished press Exit to save changes then press Exit again to exit out of Programming Mode Accessible in Program Mode Only Material Ready Alarm Disabled Enabled Press 3 3 to enable or disable the material ready Alarm MA...

Страница 41: ... to view log of Alarm messages Alarm message Date and Time Displays last 25 alarms in the order of most recent occurrence Use the key to toggle through alarm messages When finished press Exit then press Exit again to exit out of Advanced Mode Cycle Time Alarm Enabled Disabled Press 3 6 to enable or disable the Cycle Alarm CYCLE ALARM DISABLED CYCLE ALARM ENABLED Alarm delay 10 sec When enabled you...

Страница 42: ...Y TO DRYER Standard Convey In Standard Convey the Dryer will continue to dispense material to a Receiver mounted on the process until the Receiver s sensor is covered After the initial fill if the receiver sensor is not satisfied on the third attempt the ERROR CONVEYER will occur Also see Installing the Maguire Receiver on a process machine on page 15 Convey and Purge Selecting Convey and Purge wi...

Страница 43: ...f operation The canisters advance index when the cycle timer times out even though it is not empty With ADVANCE ON EMPTY selected canisters advance only after the cycle time has elapsed and the canister is empty and the sensor in the vacuum take off tray is uncovered In this mode a full canister may take an hour or more to be consumed if throughput is low Cooling of material and moisture pick up m...

Страница 44: ... be reset from Program and Advanced Modes Material Dispense Mode Vacuum Take Off Gravity Advanced Mode Only Press 5 0 to alter the operation of the dispense valve MAT DISPENSE MODE VACUUM TAKE OFF MAT DISPENSE MODE GRAVITY When set to Vacuum Take Off the signal from the 4 pin Convey connector operates as it always has When set to Gravity the convey connector will be a switch that will enable or di...

Страница 45: ... is dried When Pulsed is selected dispense valve will pulse on and off when dispensing Use the key to toggle through each dispense mode When finished press Exit to save changes then press Exit again to exit out of Manual or Program Mode Fill Valve Disabled Enabled Press 5 3 to alter the operation of the fill valve FILL VALVE DISABLED FILL VALVE ENABLED Options are Disabled and Enabled Normal opera...

Страница 46: ...ting to a USB drive When saving printout information to a USB drive the USB drive must contain a folder named maguire and within the folder a file labeled PRINTER TXT must be present It is this file PRINTER TXT that printout functions appended to Also note that every time a print occurs to the file on the USB drive the data is appended to the end of the file PRINTER TXT and does not overwrite exis...

Страница 47: ... a file labeled PRINTER TXT must be present PRINTING Print Parameters Press 7 7 to print a copy of all internal parameters A USB printer or USB Drive must be connected and ready The printout will display the Dryer software version the controller I D number a list of all parameters and their current values When saving printout information to a USB drive the USB drive must contain a folder named mag...

Страница 48: ...to select the language format SELECT LANGUAGE ENGLISH Use the key to toggle between languages ENGLISH FRANCAIS ITALIANO DEUTCH CZECH Note ENGLISH 5 6 7 are placeholders for future additions to the language choices When finished press Exit to save changes then press Exit again to exit out of Advanced Mode Vacuum Units Display English Metric Press 8 9 to select the Vacuum Units displayed Inches of M...

Страница 49: ...tware Flash card none When finished press Exit and then press Exit again to exit out of Advanced Mode Accessible in Advanced Mode Only Operating Mode Normal Service Press 9 7 display will say NORMAL Press the key to toggle between Normal and Service Operating Modes OPERATING MODE NORMAL OPERATING MODE SERVICE Selecting SERVICE will allow all devices to continue operating with the door open The doo...

Страница 50: ...sible for change through the keypad in Program Mode Advanced Mode parameters are separated to restrict access because these parameters are either set to defaults that should never be altered or are default settings that are optimal for proper dryer operation You should never need to access the Advanced Parameters unless instructed to do so by a Maguire LPD Technician To access the optional paramet...

Страница 51: ...old Inches of Mercury LRT Lock Release Time seconds PST Position Settle Time seconds LDD Lock Detect Delay seconds HOT Heater OFF Temperature ATS Anticipated Temp Sooner ATL Anticipated Temp Later NCT No change Temperature RCC Rate of Correction Constant MAX Maximum Temperature degrees CFA Convey Failure Alarm retry time and failures before alarm VPD Vacuum Pressure Differential VAL Vacuum Alarm P...

Страница 52: ...NHA 10060 10060 10060 STC 100 100 100 HTO 5 5 5 TDF 5 5 5 HAL 510 510 510 HCT 1 1 1 BTM 4 4 4 ECD 10 10 10 NVT 1 1 1 LRT 1003 1003 1003 PST 3 3 3 LDD 3 3 3 HOT 3 3 3 ATS 12 12 12 ATL 40 40 40 NCT 5 5 5 RCC 8 8 8 MAX 350 350 350 CFA 1003 1003 1003 VPD 2627 2627 2627 VAL 25090 25090 25120 PRG 11001 11002 11002 HDY 5005 5005 5005 DOP 5 5 5 EDC 2 2 2 DBS 40 60 60 PHD 30 30 30 HFT 6005 6005 6005 DPO 31...

Страница 53: ...at least 20 degrees below the softening point of the plastic to prevent clumping of pellets but must be over 150 160 to assure boil off of moisture under vacuum The temperature thumbwheel switch is normally used to set the target temperature If this parameter is set to a value then this value overrides the thumbwheel switch Otherwise leave this parameter set to zero so the thumbwheel switches cont...

Страница 54: ...100 percent on until this temperature is reached Once this point is reached temperature control begins HTO Heat Adjustment Time seconds DO NOT CHANGE THIS PARAMETER ADVANCED MODE ONLY This parameter determines the maximum time between heat control adjustments It should be set high enough to allow time for a change to be seen by the heat sensor It should not be less then the time for some feedback ...

Страница 55: ...efore Heat On seconds DO NOT CHANGE THIS PARAMETER ADVANCED MODE ONLY The first 3 digits 000xx indicate in seconds how long the blower will be turned off if the heater duty cycle has dropped to zero and the temperature is still climbing This occurs when the requested temperature is low usually below 180F 82C on a 100 series dryer and the blower be itself generates enough heat to exceed the set tem...

Страница 56: ...d into the detent which assures that canister movement has stopped At the end of this time the cycle starts If this time out does not occur within 5 seconds of operation of the lock an ALARM will sound HOT Heater OFF Temperature DO NOT CHANGE THIS PARAMETER ADVANCED MODE ONLY Degrees above Target TTP which forces the Heater OFF This limits unintentional overshoot It is a safety not part of normal ...

Страница 57: ...get no adjustment occurs RCC Rate of Correction Constant DO NOT CHANGE THIS PARAMETER ADVANCED MODE ONLY Interacts with the adjustment amount math routine to fix the extent of correction that an error causes Lower numbers cause larger corrections but may produce hunting Higher numbers produce smaller corrections and are safer but slow correction response time The number is used in a software algor...

Страница 58: ... alarm sounds a vacuum problem exists and must be corrected Read NOTE above PRG Vacuum Purge frequency and time This parameter instructs the software to operate the purge valve for a period of time in seconds e g xx015 is 15 seconds once every xx minutes 10xxx is 10 minutes The purge valve will also operate one additional time at the end of the cycle to bleed off vacuum HDY Heat during and delay a...

Страница 59: ...ngs swing widely This delays temperature adjustment until some stability is reached HFT Heat Failure Time Seconds Temperature DO NOT CHANGE THIS PARAMETER ADVANCED MODE ONLY This parameter tells the software what is the very least to expect when the heat percentage on time is increased The default value says that after 30 seconds the temperature should not be below current setting by more then 5 d...

Страница 60: ...to 00 xxx00 it will continue pulsing until the VTA sensor is covered ATO Temperature Offset DO NOT CHANGE THIS PARAMETER ADVANCED MODE ONLY Allows setting an offset to the set point temperature always positive so that the Dryer targets a higher temperature than dialed This offset is so the air is at the set point temperature by the time it reaches the plastic pellets The displayed temperature is t...

Страница 61: ...efault password is 22222 To change a PARAMETER the sequence of keystrokes is as follows Press Display will say ENTER FIVE DIGIT PASSWORD _ _ _ _ _ Press 22222 Display will say TEMP 63 F v 0in MODE PROGRAM CAN 2 Press PARA Display will say DRYING CYCLE TIME MINUTES DRY 00000 Press PARA to walk FORWARD through parameter list Press to BACK UP in the parameter list When the PARAMETER you want is displ...

Страница 62: ...good idea to have an exact copy of your User Settings stored in the backup for just such an emergency To copy ALL PARAMETERS into the User Backup Settings the sequence of keystrokes is as follows Press Display will say ENTER FIVE DIGIT PASSWORD _ _ _ _ _ Press 22222 Display will say TEMP 63 F v 0in MODE PROGRAM CAN 2 Press 23 Display will briefly say SAVE USER SETTINGS Then display will revert bac...

Страница 63: ... will determine how frequently this filter should be checked or cleaned The air filter is located inside the front door of the Series 30 models and at the base of the left side panel on the Series 100 and 200 models To access the air filter unlatch the filter door and slide the filter out Clean or replace filter as necessary To clean filter knock any larger debris off the filter then blow compress...

Страница 64: ...e emptied from a full canister Opening the window access door will allow cleaning of this space You can then use the empty button on the control panel to manually operate the empty valve allowing material to flow into a box or bucket placed in front of the dryer To clean the inside of the VTA follow this procedure Place a bucket or box under the material chute Open the VTA door by turning the latc...

Страница 65: ...ryer is in Auto Mode The bottom valve at the DISPENSE station will open and dispense the material in the canister above through the VTA chamber The empty key can be operated in Auto Mode while the door is open for cleanout When this is done be sure to have the VTA door open and a container is placed under the VTA chute to dispense the material into Be sure your container is large enough To close t...

Страница 66: ... follow this procedure Unhook the lower canister latches 100 series also has upper latches on each side of the canister by lifting the latch up and toward you releasing the canister Grip the two handles firmly and lift the canister up and away from its supports Rest the canister upside down on a rubber mat or piece of thick cardboard Do not damage the edge of the canister The upper and lower edge ...

Страница 67: ... NOT damage the edge of the canisters Note the flat bottom disk with holes Canisters and surrounding parts may be hot Use of gloves is recommended Canisters and surrounding parts may be sharp or present a pinching hazard Use of gloves is recommended Be aware of pinch hazards Remove the disk Using both hands press down slightly on the spring latch or the notched side on a LPD 30 and rotate in eithe...

Страница 68: ...ster Do NOT remove any remaining parts All mounting hardware has been sealed at the factory to be vacuum tight DO NOT remove or tamper with any bolts To reassemble Install perforated cone first Install the retaining disk To twist disk into place place pressure on all four engagement points while rotating the disk under the retaining bolt heads Stop at the notch in the spring latch or the notch in ...

Страница 69: ...de Gate at the base of the hopper located at the lower right side of the hopper Rotate the Fill Hopper counter clockwise and towards the right side of the Dryer until the Fill Hopper dispense port is over the side of the dryer Do not rotate Hopper further than necessary to dispense the material from the Fill Hopper Use a container such as a bucket or box to capture material Open the manual slide g...

Страница 70: ... Fill Hopper must first be rotated see instructions in previous section for Fill Hopper rotation After Fill Hopper has been rotated around remove the Fill Valve and disconnect the Fill Valve pneumatic lines Clean as necessary Reassemble Fill Valve and Secure Fill Hopper Reconnect the Fill Valve s pneumatic lines and re insert fill valve into the dryer Rotate the Fill Hopper back onto Dryer Re inst...

Страница 71: ...cleaner Inspect the 3 seals for damage Replace if necessary Note Remove canisters prior or inspection and cleaning 4 6 Drain and purge Air Filter Regulator The purpose of the air filter is to remove moisture and contaminants from the air supply and protect the air components of the Dryer The air filter must be periodically purged of moisture Do not supply Dryer with a lubricated air supply Damage ...

Страница 72: ...ols canister movement only when the cylinder to which it is mounted is de energized In other words it controls cylinder exhaust air All three must be adjusted to assure correct operation into each position These are factory set 2 full turns counterclockwise from fully closed Closing Rate of All Top and Bottom Disks The air cylinders that operate the disks above and below the vacuum station below t...

Страница 73: ...is conveyed to the process machine the rate at which material is picked up by the air steam is important Too little takes too long to load too much may block the required flow of air This rate is adjustable Open the door Under the front canister there is a window to view the flow of material Adjustment devices vary Adjust the air flow as required Ambient Air Process Air Exchange Valve 200 Series D...

Страница 74: ...T WITH AN EMPTY HOPPER Adjusting sensor sensitivity 1 The adjustment screw is located at the rear of the sensor You will need a very small screwdriver to adjust it 2 Empty the hopper until the sensor is uncovered 3 Turn the screw clockwise until the LED goes OFF 4 Then turn the screw counter clockwise until the LED just comes ON then turn 2 more full turns counter clockwise ...

Страница 75: ...L valve should be closed cylinder retracted The CONVEY hot air valve should not be shifted 6 Turn the POWER switch on and go into PROGRAM mode 7 Press the SEAL key Confirm that all disks engage the canisters a one below the heat station b one above and one below the vacuum station c one above and one below the dispense station 8 Press the LOCK key Confirm the LOCK engages 9 Press the FILL key Conf...

Страница 76: ...ne inch into the center of this screen This location will be the closest to what the RTD sensor will display on the LPD dryer If the test will be done during a heating cycle orient the sensor wire so that it does not interfere with the rotation of the canisters preferably to the closest edge of the rubber seal and down under the station The LPD s displayed temperature is offset lower by the ATO pa...

Страница 77: ...sed only if instructed to do so by a Maguire LPD Technician To enter the DIAGNOSTIC TEST MODE holding down the 5 key and the blank key to the right of the 6 key while turning the Dryer s power on Release the keys when the display says POWER ON RESET then will say SELECT TEST scrolling tests Select the test number from the scrolling list 1 KEYPAD Supplies visual feedback for keys pressed Blank keys...

Страница 78: ...uum Heater overheat thermal switch Heater overheat is a manual reset thermal disk opens at 293 F mounted on the stainless steel tube that contains the heater elements This would signal a blower failure or blocked air flow This will break the control circuit to the solid state heater relays Receiver level sensor Tells when the receiver is low and the air flow valve must shift to convey material to ...

Страница 79: ...id state relays each rated 25 amps cycling them on and off every second to control the heater Blower We use a contacter to control the blower motor Check Valve Opens to let air into the vacuum canister for optional purging of moist air during the cycle and allowing air in at the end of the cycle Operator Station Controller inputs outputs Green Light Cycle Start Amber Light Cycle Stop White Light I...

Страница 80: ...ackets door top panels shifting valve box air filter box Rubber Parts Wheels filter vacuum hoses Stainless Steel Parts Canisters vacuum disks heater disks Vacuum Takeoff Assembly VTA box and chute canister handle brackets upper heat disk screen Brass Parts Pneumatic fittings Aluminum Parts Fill hopper spinning center tubes in canisters upper heat plenum lower heat disk casting vacuum generator air...

Страница 81: ... to 80 psi with vacuum generator engaged Check for obstructions in cabinet Check for stuck dispense valve ERROR VACUUM FAILURE Problem Vacuum failed to reach target 25 inches within 90 seconds or unable to maintain target vacuum Controlled by the vacuum sensor in the controller Solution Check Air Pressure set to 80 psi with vacuum generator engaged air pressure possibly too high or too low Check f...

Страница 82: ...on Solution Check that canisters are properly installed Check that bottom disk is installed in all canisters Check Air Pressure set to 80 psi with vacuum generator engaged ERROR CYCLE TIME Problem The level sensor under the dispense front canister is uncovered canister empty before the cycle time is complete Solution Possible material demand exceeds Cycle Time Re adjust to a shorter cycle time or ...

Страница 83: ...get Temperature Thumbwheel is set to 000 Solution Reset Target Temperature thumbwheel Note If Target Temperature TEMP thumbwheel and Cycle Time CYCLE thumbwheel are both set to 000 then the Dryer will run and cycle without heat CYCLE TIME NOT SET Problem The Cycle Time Thumbwheel is set to 000 Solution Reset Cycle Time thumbwheel Note If Target Temperature TEMP thumbwheel and Cycle Time CYCLE thum...

Страница 84: ...immediately to full vacuum If it is slow to reach full vacuum the vacuum generator may be contaminated from oil in the compressed air mixing with dust drawn from the canister If your air is oily add an oil separator 6 Check the Purge Valve On Dryers produced before 2nd quarter 2005 remove and plug the purge line to confirm that a leaking purge valve is not the source of the problem If only ONE can...

Страница 85: ...ip this safety switch at 300 degrees F 150C The switch will break the control power to the heater relays which will result in a FAIL SAFE ALARM condition See Alarm Conditions on page 81 The switch is MANUAL reset only and you may have to remove the rear cover to access this We do this so you will then be able to inspect all internal parts closely The switch should never trip If it does something e...

Страница 86: ...fill will be performed Fill 0 means no fill 04 26 2010 ID 002 TARGET 250 F CYCLE 060 m FILL 1 CAN 1 The first line is a header line for each cycle Date Unit ID number Thumbwheel settings Fill Valve Canister at Displense station 08 23 2007 ID 000 TARGET 160 F CYCLE 020 m FILL 1 CAN 1 The header is followed by lines of information that print as often as you specify in the frequency entry Each line i...

Страница 87: ...ts If you are not obtaining the results you want or if you would like us to test your material to determine the optimal drying cycle time please provide us with the following information below A sample of your material may be required for our own testing We would need at least 35 pounds General material type PET NYLON etc Manufacturer Material designation Desiccant dryer recommended drying tempera...

Страница 88: ...32 see Star Functions on page 37 CLEAR Routine The CLEAR routine will copy User Backup Settings into User Settings If User Backup Settings were not intentionally saved earlier using 23 then the CLEAR routine is essentially restoring Factory Default Settings The Clear routine is the same as using the 32 function To execute a CLEAR hold down the CE key while turning POWER ON then release the CE key ...

Страница 89: ...king weight 620 lb 280 kg 800 lb 360 kg 1010 lb 460 kg Packing dim L x W x H 40 x35 x75 100x90x190 cm 40 x35 x85 100x90x220 cm 40 x35 x95 100x90x240 cm Heater element 3 kW 13A 3 kW 13 A 5 kW 22A 5 kW 22 A 5 kW 22 A 5 kW 22 A Blower 0 5 hp 2 5 A 0 37 kW 2 5 A 2 5 hp 6 2 A 1 86 kW 6 2 A 3 5 hp 6 2 A 2 6 kW 6 2 A Total Power Supply 480V 3Ph 60Hz 400V 3Ph 50Hz 480V 3Ph 60Hz 400V 3Ph 50Hz 480V 3Ph 60Hz...

Страница 90: ...elow for descriptions of each field in the model number LPD Low Pressure Dryer Dryer Size Series 3 Series LPD 30 1 Series LPD 100 2 Series LPD 200 10 Series LPD 1000 Heat Class S Standard H High Heat Configuration D Domestic E European C Canadian A Asia Voltage 2 230 volt 3 Phase 60 Hz 4 400 volt 3 Phase 50 Hz 5 575 volt 3 Phase 60 Hz 8 480 volt 3 Phase 60 Hz Example LPD 3HD5 LPD 30 High Heat Dome...

Страница 91: ... NO lost time 5 The routine desiccant maintenance associated with desiccant dryers is eliminated Our dryer has no routine maintenance items 6 For those who sometimes forget to plan ahead your unused inventory of blended material is 40 minutes not 4 hours 7 Plastics often loose physical properties when exposed to high heat for extended periods Our dryer dramatically shortens this heat time minimizi...

Страница 92: ...ed and costly outside service required Are parts readily available How much time will it take to get it running again 4 EASE OF USE What percentage of your employees will be able to run this equipment All of them Only the best of them Maybe only the engineers in the office How about the night shift Ease of use is very important Production suffers when equipment is difficult to understand and opera...

Страница 93: ...is determined by the moisture content of the resin after the dryer has done its job Resin moisture content however is not easily measured so dryer manufactures use other criteria to assure performance Conventional desiccant dryers use DEW POINT as a measure of performance This is a measure of the dryness of the air passing over the resin but not the dryness of the resin itself For example for a pa...

Страница 94: ...in Aston Pennsylvania PREPAID Please note that we always strive to satisfy our customers in whatever manner is deemed most expedient to overcome any problems they may have in connection with our equipment EXCLUDED ITEMS The ability of the canisters to hold vacuum will be compromised if the vacuum seal edge is damaged from mishandling We do not warranty canisters damaged from improper handling We d...

Страница 95: ...75 VAC 3 60 Hz LPD 100 240 VAC 3 60 Hz LPD 100 400 VAC 3 50 Hz LPD 100 480 VAC 3 60 Hz LPD 100 575 VAC 3 60 Hz LPD 200 240 VAC 3 60 Hz LPD 200 400 VAC 3 60 Hz LPD 200 480 VAC 3 60 Hz LPD 200 575 VAC 3 60 Hz LPD Wiring Diagram Terminal Board LPD 30 100 200 Exploded View and Parts List LPD 30 100 200 Dimensional Drawings ADR 1 ADR 4 Diagrams LPD 30 Pneumatic Diagram LPD 100 Pneumatic Diagram LPD 200...

Страница 96: ...Maguire Products Inc Edition November 5 2010 96 LPD Dryer LPD 30 240 VAC 3 60 Hz ...

Страница 97: ...Maguire Products Inc Edition November 5 2010 97 LPD Dryer LPD 30 400 VAC 3 50 Hz ...

Страница 98: ...Maguire Products Inc Edition November 5 2010 98 LPD Dryer LPD 30 480 VAC 3 60 Hz ...

Страница 99: ...Maguire Products Inc Edition November 5 2010 99 LPD Dryer LPD 30 575 VAC 3 60 Hz ...

Страница 100: ...Maguire Products Inc Edition November 5 2010 100 LPD Dryer LPD 100 240 VAC 3 60 Hz ...

Страница 101: ...Maguire Products Inc Edition November 5 2010 101 LPD Dryer LPD 100 400 VAC 3 50 Hz ...

Страница 102: ...Maguire Products Inc Edition November 5 2010 102 LPD Dryer LPD 100 480 VAC 3 60 Hz ...

Страница 103: ...Maguire Products Inc Edition November 5 2010 103 LPD Dryer LPD 100 575 VAC 3 60 Hz ...

Страница 104: ...Maguire Products Inc Edition November 5 2010 104 LPD Dryer LPD 200 240 VAC 3 60 Hz ...

Страница 105: ...Maguire Products Inc Edition November 5 2010 105 LPD Dryer LPD 200 400 VAC 3 50 Hz ...

Страница 106: ...Maguire Products Inc Edition November 5 2010 106 LPD Dryer LPD 200 480 VAC 3 60 Hz ...

Страница 107: ...Maguire Products Inc Edition November 5 2010 107 LPD Dryer LPD 200 575 VAC 3 60 Hz ...

Страница 108: ...Maguire Products Inc Edition November 5 2010 108 LPD Dryer LPD Wiring Diagram Terminal Board LPD 30 100 200 ...

Страница 109: ...Maguire Products Inc Edition November 5 2010 109 LPD Dryer 6 7 Exploded View and Parts List ...

Страница 110: ...Maguire Products Inc Edition November 5 2010 110 LPD Dryer ...

Страница 111: ...PD 100 1 12 as7158 Enclosure Left Side Lower LPD 100 1 13 as7158 T Enclosure Assembly Left Upper w Controller 1 14 as7159 Front Door Assembly LPD 100 1 15 as7161 Enclosure Right Side Lower LPD 100 1 16 as7161 B Enclosure Back Lower LPD 100 1 17 as7172 Vacuum Take off Assembly VTA LPD 100 200 1 18 as7182 Disk Mount Channel Assembly VTA LPD 100 1 19 as7190 Surge Hopper Assembly LPD 100 1 20 as71BLD ...

Страница 112: ...Maguire Products Inc Edition November 5 2010 112 LPD Dryer ...

Страница 113: ...Maguire Products Inc Edition November 5 2010 113 LPD Dryer ...

Страница 114: ...Maguire Products Inc Edition November 5 2010 114 LPD Dryer ...

Страница 115: ...Maguire Products Inc Edition November 5 2010 115 LPD Dryer ...

Страница 116: ...Maguire Products Inc Edition November 5 2010 116 LPD Dryer ...

Страница 117: ...Maguire Products Inc Edition November 5 2010 117 LPD Dryer ...

Страница 118: ...Maguire Products Inc Edition November 5 2010 118 LPD Dryer ...

Страница 119: ...Maguire Products Inc Edition November 5 2010 119 LPD Dryer 6 8 ADR 1 ADR 4 Diagrams ADR 1 Dimension Diagram ...

Страница 120: ...Maguire Products Inc Edition November 5 2010 120 LPD Dryer ADR 4 Dimension Diagram ...

Страница 121: ...Maguire Products Inc Edition November 5 2010 121 LPD Dryer LPD 30 Pneumatic Diagram 1 of 2 ...

Страница 122: ...Maguire Products Inc Edition November 5 2010 122 LPD Dryer LPD 30 Pneumatic Diagram 2 of 2 ...

Страница 123: ...Maguire Products Inc Edition November 5 2010 123 LPD Dryer LPD 100 Pneumatic Diagram 1 of 2 ...

Страница 124: ...Maguire Products Inc Edition November 5 2010 124 LPD Dryer LPD 100 Pneumatic Diagram 2 of 2 ...

Страница 125: ...Maguire Products Inc Edition November 5 2010 125 LPD Dryer LPD 200 Pneumatic Diagram 1 of 2 ...

Страница 126: ...Maguire Products Inc Edition November 5 2010 126 LPD Dryer LPD 200 Pneumatic Diagram 2 of 2 ...

Страница 127: ...aguire com Maguire Europe Tame Park Tamworth Staffordshire B775DY UK Tel 44 1827 265 850 Fax 44 1827 265 855 Email info maguire europe com Maguire Products Asia PTE LTD Main Office 15 Changi North Street 1 01 15 I Lofts Singapore 498765 Tel 65 6848 7117 Fax 65 6542 8577 E mail magasia maguire products com sg Maguire Italy Via Zancanaro 40 35020 Vigorovea PD Tel 39 049 970 54 29 Fax 39 049 971 18 3...

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