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NovaTec NovaWheel NWB-100-DC, Instruction Manual, Page: 7 / 37

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NovaTec NovaWheel NWB-100-DC Instruction Manual Download Page 7

 

 

 NWB-DC IM 3 JAN 2014        

© 2014 Novatec, Inc. All Rights Reserved

 

            

Page 7  

 

NWB-DC IM 3 JAN 2014 

2.0 BASIC COMPONENTS OF NOVATEC NWB-DC DRYER ASSEMBLY 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Receiver 

Mounting Plate 

Hopper 

Receiver 

VR-5 or VR-12 

NWB-DC Dryer 

Machine Mount 

Receiver 

Pickup Wand 

Material 

Hopper 

Control Panel 

Access Door 

Plasticizer Drain 

Pre-Cooler Water 
      IN / OUT 

ON/OFF Switch 

Panel 

Power ON Light 

Alarm Light 

Panel 

Process Filter 

Access 

Regen Filter 

Access 

Conveying Air 

Filter 

Conveying 

Blower 

Flex Hose 

5” Casters 

Pre-mounted on all EXCEPT 

-150 & -200 

Install first on these models 

Vacuum Purge 

Take-Off 

Electrical 

Enclosure 

EPV Dual Station 

Vacuum Valve 

Stubs 

Summary of Contents for NovaWheel NWB-100-DC

Page 1: ...aWheel Dry Convey Dryers NWB DC Series With NovaTouch Monochrome Touch Panel PLC MODELS NWB 25 DC through NWB 200 DC 2014 NOVATEC Inc All Rights Reserved Instruction Manual NWB DC IM 3 JAN 2014 NWB DC...

Page 2: ...properly respond to any of your requests Instruction Manual NWB DC IM 3 JAN 2014 Model ___________________________ Serial ____________________________ DISCLAIMER NOVATEC Inc shall not be liable for e...

Page 3: ...RESSED AIR CONNECTION 12 7 0 HOPPER EXTENSIONS 12 8 0 ADJUSTABLE DIFFUSER CONE POSITIONING 12 9 0 SALES AND SERVICE 13 10 0 SHIPPING AND INSPECTION 13 11 0 PRINCIPLE OF OPERATION 13 11 1 Resin Drying...

Page 4: ...7 Features List 26 17 2 8 Auto 2nd Setpoint Menu 27 18 0 NOVATEC SCREENS 28 18 1 Basic Machine Configuration 28 18 1 3 Configuration Menu 2 28 18 1 3 Configuration Menu 3 29 18 1 4 Reactivation Menu...

Page 5: ...care to give you excellent service A wide range of NWB DC series dryers have been introduced to enable our valued customers to select the right model for their application These NWB DC NovaWheel Dry C...

Page 6: ...ic area NOTE All models are shipped with casters installed except the 150 200 so while they are being supported by the fork lift attach one of the supplied casters under each corner of the frame using...

Page 7: ...ine Mount Receiver Pickup Wand Material Hopper Control Panel Access Door Plasticizer Drain Pre Cooler Water IN OUT ON OFF Switch Panel Power ON Light Alarm Light Panel Process Filter Access Regen Filt...

Page 8: ...n inlet stub to face direction from where material will be pulled Fasten the Receiver to the Hopper using the saved x 20 bolts and washers 2 B Place hose clamp over one end of flex hose and push end o...

Page 9: ...form routine maintenance on the dryer and for safe operation 3 4 Install Machine Mount Receiver and Connect Flex Hose 3 A Bolt the Machine Mount Receiver to the process machine throat with user suppli...

Page 10: ...ion Turn the Main Disconnect on the electrical panel door to the OFF position lock out the main power source and open the electrical enclosure Per the electrical diagram install the main power wire to...

Page 11: ...for cleaning The water flow rates and the required customer connection sizes for different models are shown in the chart below NOTE Processor must use ID water hose to get proper flow NOTE Cooling wa...

Page 12: ...st be installed at the processor s plant 8 0 ADJUSTABLE DIFFUSER CONE POSITIONING IMPORTANT FOR PROPER DRYING We have found that processors can improve the efficiency of their drying process by adjust...

Page 13: ...Series dryer was engineered and designed to effectively remove moisture in the vapor state from hygroscopic plastic resins This process is accomplished by the continuously rotating desiccant wheel an...

Page 14: ...ible hose to an appropriately sized vacuum receiver where the material is fed into the drying hopper as needed As the material passes through the drying hopper it is metered through a vacuum takeoff v...

Page 15: ...lowback 80 120 psi 5 5 8 3 Bar Based on material bulk density of 38 lb ft3 Model NWB 25 DC NWB 50 DC NWB 75 DC NWB 100 DC NWB 150 DC NWB 200 DC Max Material Flow Lbs Hr kg hr 25 11 4 kg hr 50 22 7 kg...

Page 16: ...sure Switches PS The air pressure differential across the process filter and the regeneration filter is monitored and the NovaTouch display will alarm and show when a filter needs to be cleaned or rep...

Page 17: ...ys use the Green Red switch to START or STOP the dryer The Power Disconnect switch should only be used in True Emergency conditions Repeated use of Power Disconnect can cause dryer component failure 1...

Page 18: ...s enabled or disabled The following options for entering values are available The current value is deleted when you enter the first character Enter the value again Use the and keys to move the cursor...

Page 19: ...on Example or or an may appear on any screen or in any alarm message This is the indication that there is additional information available By pressing the symbol an information page will appear on the...

Page 20: ...ghts Reserved Page 20 NWB DC IM 3 JAN 2014 15 2 Screen Maps For all operational functions available to processor The NOVATEC screen map defines all of the screens provided for all engineering function...

Page 21: ...ate time stamp Press Gray button to enable changes Press each button where a change is required and keypad will appear Make entry then press after each entry Continue until all fields are correct Enab...

Page 22: ...button to return to Quick Op screen OR enter the desired PROCESS SETPOINT on the Quick Op Screen Press Green ON switch to start the Process Heater Press the MENU button to access additional screens Se...

Page 23: ...siccant wheel RPH The graphics on this screen will change appearance in accordance with the mode of operation From the Main Menu Screen you can set the status screen up to show selected items in a LAR...

Page 24: ...unt for how many alarms are active It will disappear when the alarms clear or are cleared by operator intervention Alarm messages will appear on the Main Menu when the Messages button is pressed Alarm...

Page 25: ...set as a password To enable the password and protect the screen enter the password and depress the associated pad The pad will show Enabled and the protection will become active after leaving this sc...

Page 26: ...ach time the desiccant wheel rotates to ensure that adequate but not excess heat is used to maintain the dryer dew point performance while insuring that no excess heat is used and wasted Once the drye...

Page 27: ...hine it is easier to re set a reduced drying temperature or shut the Process Heater OFF on the QuickOp screen but this menu can be used to put or remove the dryer from second set point while unattende...

Page 28: ...18 1 Basic Machine Configuration There are 3 Basic Configurations These are set at the factory prior to shipping 18 1 2 Configuration Menu 1 1 8 1 3 Configuration Menu 2 Changing from F to C is a com...

Page 29: ...st the output response for whether your system has a N O or N C water saver solenoid It is also used to turn the icons and functionality for the material control systems on or off 375 These values are...

Page 30: ...they are comparable If they are not Contact NOVATEC Service Department Every 2 weeks Hose Tubing Clamps Check for leaks or holes Tighten or replace as necessary Every 2 months Hopper Gaskets Seals Ch...

Page 31: ...from housing Replace the filter or clean it with compressed air reinstall filter re tighten the lock nut close filter access cover and turn the yellow knob to the locked position Turn the power ON an...

Page 32: ...ccant rotor is considered a cleanable washable media the preferred method of cleaning is to blow dust out with low pressure compressed air and to reactivate the rotor at a maximum temperature of 380 F...

Page 33: ...not resetting the limit switch reset the limit switch toward the rotor 19 8 Rotor Replacement Desiccant rotor removal is accomplished bas follows 1 Remove the hex nuts on the Top Plate Assy 2 Remove...

Page 34: ...al using knife Also remove silicon sealant 3 Clean the plate surface 4 Apply fresh silicon sealant 5 Gently press the seal towards the plate make sure the seal s section does not get offset 6 After jo...

Page 35: ...Temperature sensor connection loose or reversed Check set temperature for proper drying process temperature Ensure temperature probe is installed in the dryer outlet or in the hopper inlet Change blo...

Page 36: ...g to the cooling coil and make sure the temperature is below 85 F and at the proper flow Check the dryer system hopper for any air leaks repair as required Reduce the moisture of the resin being loade...

Page 37: ...CS 500 controls Central Drying Assemblies Vacuum Take off Boxes Heater Blower Units Surge Bins Silo Dehumidifiers Valves and Accessories VL VLP Series Loaders Drawer Magnets 5 YEARS WSB Blenders MaxiB...

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