NovaTec NovaWheel NW-100NC-DC Instruction Manual Download Page 1

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NovaWheel™ Dry-Convey Dryers

NWDC

– Series, With NovaTouch™ Touch Panel PLC

MODELS NW-25NC-DC through NW-150NC-DC)

CRITICAL INFORMATION:
Please see Technical Bulletin
on Page 2 of this Instruction Manual

Summary of Contents for NovaWheel NW-100NC-DC

Page 1: ...ies With NovaTouch Touch Panel PLC MODELS NW 25NC DC through NW 150NC DC CRITICAL INFORMATION Please see Technical Bulletin on Page 2 of this Instruction Manual 2013 NOVATEC Inc All Rights Reserved In...

Page 2: ...e used under TRUE EMERGENCY conditions Repeated use of EMERGENCY STOP can cause dryer component failure These dryers are intended to be turned ON and OFF on the touch screen control panel by pressing...

Page 3: ...properly respond to any of your requests Instruction Manual NWDC IM 26 MAR 2014 Model ___________________________ Serial ____________________________ DISCLAIMER NOVATEC Inc shall not be liable for err...

Page 4: ...amiliarization 14 5 4 SPECIFICATIONS NWDC Dry Convey Series 15 6 FUNCTION CONTROLS 16 6 1 Process Temperature Control Drying Temperature 16 6 2 Regeneration Temperature Control 16 6 3 Process Regenera...

Page 5: ...ated to the principle that any engineered system will have many elements contributing to the smooth operation of the system and that these must be understood in order that installation and operation c...

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

Page 7: ...ceiver 1 B Attach Photo Eye Level Sensor to the bracket provided 1 C Connect 115 1 50 60 VAC wiring to twist lock plug supplied 1 A Vacuum Purge Valve Identifying Major Components Vacuum Purge Valve V...

Page 8: ...ceiver in hole Align 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...

Page 9: ...hroat with user supplied bolts 3 B Push one end of the flex hose all the way onto the material inlet stub on the side of the receiver and fasten it securely with a hose clamp supplied 3 C String flex...

Page 10: ...nnection 4 A See illustration above 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 diagra...

Page 11: ...ver 225 F The process airstream must be connected to an external cooling coil if the drying temperature is below 170 F Contact Factory for Options 2 6 Compressed Air Connection The touch screen contro...

Page 12: ...cessors can improve the efficiency of their drying process by adjusting the position of the diffuser cone as described below You are now ready to start the dryer See QuickCard attached to dryer Use bo...

Page 13: ...s 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 and the...

Page 14: ...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 valve to a machine mount vacuum recei...

Page 15: ...r requirements for Blowback 80 120 psi 5 5 8 3 Bar Based on material bulk density of 38 lb ft3 Model NW 25NC DC NW 50NC DC NW 75NC DC NW 100NC DC NW 150NC DC Max Material Flow Lbs Hr kg hr 25 11 4 kg...

Page 16: ...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 replace...

Page 17: ...dryer component failure Always use to turn dryer ON or OFF 7 2 Checking Electrical Phase Your NOVATEC NWDC Dryer includes Phase Detection This is particularly important for dryers that may be moved ar...

Page 18: ...nabled 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 wit...

Page 19: ...F icon Example 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 th...

Page 20: ...ghts Reserved Page 20 NWDC IM 26 MAR 2014 8 2 Screen Maps For all operational functions available to processor The NOVATEC screen map defines all of the screens provided for all engineering functions...

Page 21: ...omponent failure Only use EMERGENCY STOP in True Emergency Conditions Check Process or Regen blower to ensure they are turning on correct direction per arrow If they are not follow instructions on pag...

Page 22: ...It usually takes 2 4 hours for first hopper load of material to be sufficiently dry for processing Hopper Receiver Screen NOTE If material is flowing too fast or too slowly through hopper receiver usi...

Page 23: ...21 It can also be accessed by pressing the Convey Menu button on the Dryer Setup screen page 26 Hopper Receiver If you are using the proportioning feature the Hopper Loader screen will be the same as...

Page 24: ...e the drying temperature shown for any of the pre loaded resins or enter a new resin and drying temperature Press EDIT then one of the Spare buttons Enter the resin name or number then press the dryin...

Page 25: ...g operations Depress this button to start the dryer This shows the wheel speed it should be between 6 and 12 rph Depress this button to go to the alarm list there is a tutorial there that explains the...

Page 26: ...important for date time stamps on ALARM messages and to allow Auto Start Stop of the dryer Remember to press Monitor Mode Press to Program to enable changes AND press it AGAIN when changes are comple...

Page 27: ...p until the correct password is entered If the password is not enabled the screen will appear briefly before continuing to the selected screen This screen is not necessary unless you want to enter val...

Page 28: ...Hopper Receiver icon on page 19 STEP 8 Press Button for Machine Mount Receiver This screen can also be accessed by pressing and holding the Machine Mount Receiver icon on page 19 3 Load Time Purge Tim...

Page 29: ...up to show selected items in a LARGE FONT On the Status View all of the system responses can be monitored The display is set on a 5 second loop The can be changed to and the title of that display wil...

Page 30: ...utton is pressed Alarm messages will appear as a dropdown box on any screen when the Alarm icon is pressed The NOVATEC MENU can be seen by touching the upper LH corner of any other screen It can only...

Page 31: ...essed their moisture level or any changes in dryer processing rate thereby saving energy and improving performance If there is an extended delay at the process machine it is easier to re set a reduced...

Page 32: ...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 33: ...necessary and re install On 100 and 150 Models Unscrew the black knob remove the filter access cover open wing nut and pull cartridge filter out from housing Replace the filter or clean it with compr...

Page 34: ...ant 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 1...

Page 35: ...not resetting the limit switch reset the limit switch toward the rotor 11 6 Rotor Replacement Desiccant rotor removal is accomplished bas follows 1 Remove the hex nuts on the Top Plate Assy 2 Remove t...

Page 36: ...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 37: ...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 38: ...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 loaded...

Page 39: ...alidate the warranty A renewed warranty can be purchased directly from NOVATEC Please note that we always strive to satisfy our customers in whatever manner is deemed most expedient to overcome any is...

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