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Summary of Contents for NovaTec NovaWheel NWB Series
- Page 1 NWB& NWB-HC Series, With NovaTouch™ Monochrome 4” Touch Panel PLC MODELS -25 through -200 NWB-50-HC NWB-50 Document: NWB & NWB-HC IM 28 OCT 2014 ©NOVATEC, Inc. 2014 All Rights Reserved...
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Page 2: Instruction Manual Nwb & Nwb-Hc Im 28 Oct
DISCLAIMER: NOVATEC, Inc. shall not be liable for errors contained in this Instruction Manual nor for misinterpretation of information contained herein. NOVATEC shall not, in any event, be held liable for any special, indirect or consequential damages in connection with performance or use of this information. -
Page 3: Table Of Contents
13.10 Seal Replacement ......................28 13.11 Drive Motor Replacement .................... 28 13.12 Motor Rotation Signal ....................28 14.0 TROUBLE SHOOTING and ERROR MESSAGES ............29 WARRANTY – NOVATEC, INC. - Effective Date 6-12-2012 ......... 31 15.0 NWB & NWB-HC IM28 OCT 2014 Page 3... -
Page 4: Sales And Service
Technical Service Department: 1-800-938-6682 ● Service@novatec.com SHIPPING AND INSPECTION Although NOVATEC uses reputed carriers to deliver products, it has no control over the product once it leaves the manufacturing facility. Upon receiving the product, thoroughly inspect all equipment inside and out for damage that may have occurred during shipment. -
Page 5: Principle Of Operation
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 PRINCIPLE OF OPERATION The NWB NovaWheel™ 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 and the three air streams (Process, Purge and Regeneration). -
Page 6: Product Familiarization
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 PRODUCT FAMILIARIZATION The major components and their locations are shown below. Alarm Light Regeneration Desiccant Air Outlet Return Air Wheel From Hopper Process Air To Hopper Hopper Chain Chain Sprocket & Sprocket &... -
Page 7: System Flow Diagram
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 4.1 System Flow Diagram 4.2 Specifications – NovaWheel™ Dryer Model NWB or NWB or NWB or NWB or NWB or NWB or NWB-HC NWB-HC- NWB-DC NWB-HC NWB-HC NWB-HC -100 -150 -200 Max Material Flow - Lbs./Hr Kg/Hr... -
Page 8: Installation
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 INSTALLATION CAUTION: FOLLOW ALL NATIONAL AND LOCAL ELECTRICAL AND MECHANICAL CODES, AS REQUIRED. ONLY QUALIFIED AND TRAINED PERSONNEL SHOULD INSTALL AND OPERATE THIS EQUIPMENT. 5.1 Location Locate your NWB Series dryer in a low traffic area, this will avoid disturbance of the hoses connecting your dryer to the hopper. -
Page 9: Electrical Connections
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 5.3 Electrical Connections The NWB Series dryer comes from the factory with all control circuits wired and the dryer needs to be connected to the proper power source. CAUTION: All electrical connections must be made by qualified electricians, per national and local electrical codes. -
Page 10: Cooling Coil Connection
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 5.4 Cooling Coil Connection A Cooling Coil is installed in NWB series dryers and is required to lower the hopper return temperature when drying temperatures are above 225° F. This increases the efficiency of dryer. -
Page 11: Function Controls
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 FUNCTION CONTROLS The NWB Series dryers come complete with the following controls: 6.1 Process Temperature Control (Drying Temperature) The Temperature Control is a part of the NovaWheel NovaTouch PLC controller and controls the process outlet temperature as per the set value. -
Page 12: Pre-Operating System Check
-40° dew point. 7.2 Checking Electrical Phase Your NOVATEC NWB Dryer includes Phase Detection. This is particularly important for dryers that may be moved around the plant. When you turn the MAIN Disconnect switch to the ON position, a Pop-Up Alarm will appear on the screen if the connection is not correct. -
Page 13: Novatouch™ Control
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 NovaTouch™ CONTROL 8.1 System Conventions: All information and data displays will appear two dimensional in configuration and flat. All data entry points or operational features will appear three dimensional in configuration and raised or depressed in appearance depending on their operational position. - Page 14 Instruction Manual NWB & NWB-HC IM 28 OCT 2014 Multiple choice inputs will use the DOWN arrow to alert you to a drop down menu. Pressing the associated display window will cause the drop down menu to appear. The keyboard is automatically hidden again when input is complete. The condition of a switch or display will be displayed in both language and the international ON/OFF icon.
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Page 15: Explanation Of Password Levels
Level3 : 3333 (Maintenance) level 2 plus make entries on Welcome screen, Auto Start/Stop, Maintenance Screens & Advanced Functions. : Machine Configuration – Factory Pre-sets (NOVATEC Only) setup Level 3 can change other user’s passwords Level 2 can change Level 2 passwords... -
Page 16: Clock Setup
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 9.0 INITIAL STARTUP Only UPON initial startup will this group of screens appear. Only UPON initial startup will this group of screens appear. They will walk you through the initial setup of the dryer. The first screen displays the dryer model number. -
Page 17: Auto Stop Setup
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 9.3 Auto Stop Setup Set this screen up in the same manner as you did with the Auto-Start function. Press to advance to the Touch Screen Adjustments screen 9.4 Touch Screen Adjustments Use this screen to customize the screen calibrations to suite your operators and lighting conditions. -
Page 18: Installation Checklist
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 9.5 Installation Checklist It is important to review each of these items to ensure that your dryer is connected properly before starting to dry material. Press to access Setup Options where you can make changes to entries you have already made OR press MAIN to go the QuickOp screen. -
Page 19: Drying Material
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 10.0 DRYING MATERIAL NOTE: Assure voltage, connection and phasing are correct, cooling water is supplied (for dying over 225°F) and thermocouple is inserted in hopper. Connect material source to Hopper Receiver. to “ON”... -
Page 20: Advanced Functions
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 11.0 ADVANCED FUNCTIONS Press MENU on Quick Op Screen From here you can access: ADVANCED FUNCTIONS (see 11.1) CONTROL SETUP (Returns to Welcome screen with access to setup screens 9.0) ... -
Page 21: Dryer Alarms (Level 3)
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 11.2 Dryer Alarms (Level 3) Alarm settings are pre-set at NOVATEC but Level 3 personnel can re-set them. 11.3 Dryer Status (Widely Used By processors) If you select the Dryer Status from the Advanced Functions screen, all of the dryer parameters can be monitored. -
Page 22: Message Screen Alarms
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 11.4 Changing User Passwords Press New User and a dropdown will appear where the a new password can be assigned for each level of access. This is accomplished on the numeric screen shown in 8.1. NOTE: Level 3 can change other user’s passwords Level 2 can change Level 2 passwords... -
Page 23: Maintenance Instructions
Compare process temperature setting to hopper inlet temperature Process Heater to make sure they are comparable. Every 2 weeks If they are not - Contact NOVATEC Service Department. Check for leaks or holes. Hose. Tubing & Clamps Every 2 months Tighten or replace as necessary. -
Page 24: Process And Regeneration Filters
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 13.2 Process and Regeneration Filters The filters shipped with the dryer are cleanable. The maintenance interval for the filters depends on the cleanliness of the surroundings and the dust/fines in plastic raw materials. A program should be established to ensure the filters are cleaned. -
Page 25: Chain And Sprockets
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 13.4 Chain and Sprockets Chain Tensioner Assembly Chain and sprockets should be lubricated every six months. Drive Drive Sprocket Motor 13.5 Desiccant Rotor The state-of-the-art desiccant rotor supplied with NWBDC series dryers will last very long under ideal conditions. -
Page 26: Motor Rotation Signal
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 13.6 Motor Rotation Signal Check that the wheel rotor is rotating properly and each time a signal goes to the controller, ensure that rotor complete its cycle and the limit switch hump has reset the limit switch provided near the rotor. -
Page 27: Seal Replacement
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 13.8 Seal Replacement The top and bottom silicon PTFE coated fabric flat seals which separates the process from the reactivation purge compartments. Normally they do not require service or replacement. However, should damage occur, or if air leakage is suspected of causing poor performance, the seal should be replaced using the following procedure. -
Page 28: Seal Replacement
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 13.10 Seal Replacement The top and bottom silicon PTFE coated fabric flat seals which separates Normally they do not require service or replacement. However should damage occur, or if air leakage is suspected of causing poor performance, the seal should be replaced adopting following procedure. -
Page 29: Trouble Shooting And Error Messages
Instruction Manual NWB & NWB-HC IM 28 OCT 2014 14.0 TROUBLE SHOOTING and ERROR MESSAGES TROUBLE PROBABLE REASON CORRECTIVE ACTION 1. Unit not running Control main circuit Reset the breaker. breaker tripped. Main power off. Check line and main. Control power Check per item as per electrical wiring interrupted. - Page 30 Instruction Manual NWB & NWB-HC IM 28 OCT 2014 TROUBLE PROBABLE REASON CORRECTIVE ACTION 5. Material in hopper Clogged filters Inspect and clean/replace filters. as not getting dried necessary. properly. Door gasket leaking or Check all gaskets (filter cover, hopper damaged.
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Page 31: Warranty - Novatec, Inc. - Effective Date 6-12-2012
The purchaser must return the suspect defective part, freight prepaid and with identifying documentation to receive full credit for the part returned. NOVATEC shall not be held liable for damages or delay caused by defects. No allowance will be made for repairs or alterations without the written consent or approval of NOVATEC. - Page 32 Instruction Manual NWB & NWB-HC IM 28 OCT 2014 NWB & NWB-HC IM28 OCT 2014 Page 32...
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