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Sterling 882.00291.00 Specifications

15, 30, & 60 cfm compact dehumidifying dryers
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Compact Dehumidifying Dryers
Write Down Your Serial Numbers Here For Future Reference:
_________________________
_________________________
_________________________
We are committed to a continuing program of product improvement.
Specifications, appearance, and dimensions described in this manual are subject to change without notice.
DCN No. ____________
© Copyright 2008
15, 30, & 60 cfm
Part Number: 882.00291.00
Bulletin Number: DH1-635.3
Effective: 08-23-07
_________________________
_________________________
_________________________

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  • Page 1 We are committed to a continuing program of product improvement. Specifications, appearance, and dimensions described in this manual are subject to change without notice. DCN No. ____________ © Copyright 2008 15, 30, & 60 cfm Part Number: 882.00291.00 Bulletin Number: DH1-635.3 Effective: 08-23-07 _________________________ _________________________...

  • Page 2: Shipping Information

    Shipping Information Unpacking and Inspection You should inspect your dryer for possible shipping damage. Thoroughly check the equipment for any damage that might have occurred in transit, such as broken or loose wiring and components, loose hardware and mounting screws, etc. In the Event of Shipping Damage According to the contract terms and conditions of the Carrier, the responsibility of the Shipper ends at the time and place of shipment.

  • Page 3: Table Of Contents

    Table of Contents CHAPTER 1: SAFETY... 5 How to Use This Manual ... 5 Safety Symbols Used in this Manual ...5 1-2 Safety Tag Information ... 6 Dryer Safety Tags...6 1-3 Warnings and Precautions... 6 1-4 Responsibility... 7 General Responsibility...7 Operator Responsibility ...7 Maintenance Responsibility...9 Reporting a Safety Defect ...9...
  • Page 4 Identifying Control Panel Indicator Lights and Switches for the Standard Controller ...20 Process Air Temperature Controller ...21 Setting the Process Air Temperature...23 Restoring the Process Air Temperature Controller (E5CN) to Factory Settings...23 Process Air Dew Point Display ...25 Setting the High Dew Point Alarm ...25 Restoring the Process Air Dew Point Meter (E5CK) to Factory Setup ...25 Dryer Operation Procedures ...

  • Page 5: Chapter 1: Safety

    How to Use This Manual Use this manual as a guide and reference for installing, operating, and maintaining your drying system. The purpose is to assist you in applying efficient, proven techniques that enhance equipment productivity. This manual covers only light corrective maintenance. No other maintenance should be undertaken without first contacting a service engineer.

  • Page 6: 1-2 Safety Tag Information

    1-2 Safety Tag Information Dryer Safety Tags Hot! High Voltage Inside Enclosure Lifting Point 1-3 Warnings and Precautions Our equipment is designed to provide safe and reliable operation when installed and operated within design specifications, following national and local safety codes. This may include, but is not limited to OSHA, NEC, CSA, SPI, and any other local, national and international regulations.

  • Page 7: 1-4 Responsibility

    When welding or brazing in or around this equipment, make sure VENTILATION is ADEQUATE. PROTECT adjacent materials from flame or sparks by shielding with sheet metal. An approved FIRE EXTINGUISHER should be close at hand and ready for use if needed. Do not restore power until you remove all tools, test equipment, etc., and the equipment and related components are fully reassembled.
  • Page 8 The operator’s responsibility does not end with efficient production. The operator usually has the most daily contact with the equipment and intimately knows its capabilities and limitations. Plant and personnel safety is sometimes forgotten in the desire to meet incentive rates, or through a casual attitude toward machinery formed over a period of months or years.

  • Page 9: Maintenance Responsibility

    • Shut off power to the dryer when it is not in use. Turn the switch to the OFF position, or unplug it from the power source. Maintenance Responsibility Proper maintenance is essential to safety. If you are a maintenance worker, you must make safety a priority to effectively repair and maintain equipment.

  • Page 10: Chapter 2: Functional Description

    Models Covered in This Manual This manual provides operation, installation, and maintenance instructions for 15, 30 and 60 cfm dehumidifying dryers. Model numbers are listed on the serial tag. Make sure you know the model and serial number of your equipment before contacting the manufacturer for parts or service.

  • Page 11: Standard Features

    Moisture Exhaust Standard Features Mechanical Features • Dual desiccant beds • Electrically-actuated air valve • 13X Molecular Sieve • Single regenerative process blower • Drying temperature range of 180ºF to 230ºF (82ºC to 110ºC). • 2.5” hose connections Electrical Features •...

  • Page 12: Controller Features

    Controller Features • Mitsubishi programmable relay controller • Display of process temperature set point and actual settings Options Options marked with “*” indicate options that can be factory installed or retrofitted in the field. • * Process temperature up to 400ºF (204º C) or below 180ºF (82ºC), including aftercooler with dryer and silicone insulated delivery hose.

  • Page 13: Safety Circuit Standards

    Safety circuits used in industrial systems protect the operator and maintenance personnel from dangerous energy. They also provide a means of locking out or isolating the energy for servicing equipment. Various agencies have contributed to the establishment of safety standards that apply to the design and manufacture of automated equipment.

  • Page 14: Chapter 3: Installation

    Uncrating the Equipment Dehumidifying Dryers are shipped mounted on a skid, enclosed in a plastic wrapper, and contained in a cardboard box. 1. Pry the crating away from the skid. 2. Use a pry bar to remove the blocks securing the unit to the skid. 3.
  • Page 15 Caution! Do not use a hoist to move or rig your Drying/Conveying System when it is mounted on a cart! Moving the unit with a hoist will cause it to become unstable and may cause damage to the equipment and/or injury to personnel! Figure 3: Suggested Lift Rigging for Floor Mounted Dryers PROCESS...

  • Page 16: Electrical Connections

    PROCESS DEW POINT CONT TEMPERATUR POWE POWER ON ALAR Caution! When using a hoist to move a machine mounted dryer, ALWAYS attach chains to the three (3) locations/lifting points on the unit! Moving the Dryer without the chains attached to all of the lifting points will cause the unit to become unstable and may cause damage to the Dryer and/or injury to personnel! Electrical Connections...

  • Page 17: Setup Procedures

    Setup Procedures This section provides the procedures necessary for configuring your Dehumidifying Dryer. Configuration of your dryer includes checking for proper blower rotation, making dryer/drying hopper process air connections and the optional aftercooler (on 15 and 30 cfm models). We recommend that you carry out these procedures in the order given here. Note: Checking for Proper Blower Rotation Three-Phase Models...

  • Page 18: Drying Hopper Air Trap Considerations

    Our exclusive air trap assembly on the top of the drying hopper prevents ambient air from contaminating the material being dried. To ensure that your unit will operate at peak efficiency, do the following: • Keep the material level at the mid point of the air trap This can be achieved by utilizing a hopper loader or vacuum conveying system to supply material to the drying system.

  • Page 19: Start To Flash For About 10-20 Minutes With The Temperature Fluctuating Up And Down During That Period. After The Flashing Stops, It Means Auto-Tuning Has Finished

    trapped air from the system. Make sure the aftercooler has the proper supply water temperature. 6. Set the process set point on the temperature controller. 7. After the proper pre-drying time for the initial hopper fill has elapsed, fully open the drying hopper slide gate.

  • Page 20: Chapter 4: Operation

    Controller Description and Operation Identifying Control Panel Indicator Lights and Switches for the Standard Controller Switches Main Power. This switch allows the dryer to receive power from the main power supply (3 phase only). Dryer Control ON/OFF Switch. This switch energizes or de-energizes control power to the indicator panel and starts the dryer.

  • Page 21: Process Air Temperature Controller

    Optional Controller – Optional Three Phase Control Panel shown with Optional Dew Point Monitor Process Air Temperature Controller Our dryers use a microprocessor-based PID temperature controller for maintaining process air temperature. The controller is a modular, self-contained unit you can remove from the mounting housing.
  • Page 22 Identifying Process Air Temperature Controller LED Indicators Indicator Name Process Value Numeric LED 8.8.8.8 Set Value Numeric LED 8.8.8.8 OUT1 Out 1 LED OUT2 Out 2 LED AT LED Indicator Name ALARM1 ALARM 1 LED Identifying Temperature Controller Keys Indicator Name Mode Key Down Key...

  • Page 23: Setting The Process Air Temperature

    Setting the Process Air Temperature When setting the process air temperature, consult with the resin manufacture for the recommended drying temperature. To change the process air temperature set point with the dryer running: • Press to raise the set point to the temperature you want. •...
  • Page 24 Indicator Name Proportional Band Mode (P) Integral Time Mode (I) Derivative Time Mode (d) Entering Operating Parameters to Select Modes To enter the display: 1. Press the 2. Press that function On or Off. SV readout 3. To switch modes within a level, press and hold the (1) second.

  • Page 25: Process Air Dew Point Display

    Figure 7: Settings for Process Temperature Controller (E5CN), Part No. A0567917 Mode Operation Mode Adjustment Process Air Dew Point Display Optional The Process Air Dew Point meter indicates the current process air delivery moisture content. Standard dryers use a microprocessor-based controller for displaying dew point air temperature.

  • Page 26: Dryer Operation Procedures

    Note: Dryer Operation Procedures Controller Operation 1. Turn the disconnect (if applicable) on the control panel to the ON position. Power is applied to the voltage line fuses, line side of the control power switch. 2. Turn the control power switch to the ON position. Power is applied to the temperature control, programmable relay and dew point controller.

  • Page 27: Alarm Display Messages

    4. If either the left or right bed safety temperature switch opens, a regen heater fault is generated. “HIGH TEMP” is displayed on the relay screen. The alarm light is activated. 5. If the process temperature controller faults or the process heater safety switch opens, a heater fault is generated.
  • Page 28 The following is a list of Alarm Display Messages which can be found on the relay screen: Temperature Controller Alarm and/or Regen Heater Temp Switch and/or Process Heater Temp Switch and/or Redundant Temp Safety and/or the blower pressure switch is not detecting pressure. Valve Motor Time-Out Blower Overload No Alarms...

  • Page 29: Chapter 5: Maintenance

    Preventative Maintenance Schedule The checklist below contains a list of items which should be inspected and/or replaced to keep your Portable Drying/Conveying System operating at peak efficiency. Perform each inspection at the regular intervals listed below. System model # Date/ Date/ Every Day Inspect all filters for...

  • Page 30: Preventative Maintenance

    Preventative Maintenance This section describes maintenance procedures which will increase the longevity and efficiency of your dehumidifying dryer. Perform them at the regular intervals listed on the dryer checklist on the previous page. Servicing Process Air Filters Caution! Operating the dryer without the process air filter installed voids your warranty! Filter cleaning is an important part of your dryer maintenance program.

  • Page 31: Servicing The Dew Point Monitor

    Cleaning with Compressed Air Blow clean, dry compressed air up and down the pleats, blowing out the filter from the inside out. Remove loose dirt from the filter with compressed air or vacuum from the outside. Caution! DO NOT clean/wash filter with water! After each cleaning: Servicing the Dew Point Monitor The accuracy of the dew point monitor on mini dryer systems depends on proper operation of...

  • Page 32: First Aid

    WARNING! Handling desiccant material is HAZARDOUS. Wear an N-100 type safety filter mask or equivalent to avoid prolonged breathing of desiccant dust. Wear safety goggles and gloves to avoid contact with eyes and skin. In case of eye contact, immediately flush eyes with plenty of water for at least 15 minutes.
  • Page 33 Desiccant Assembly Rod Gasket Regeneration Heater Wire Conduit Assembly Caution! You should properly dispose of any discarded desiccant. Consult local disposal regulations for more information. 11. Inspect each desiccant screen for tears or holes where desiccant burned-through. Replace desiccant can if needed. 12.

  • Page 34: Replacing The Process/Regeneration Heater

    Replacing the Process/Regeneration Heater The dehumidifying dryers utilize a single-phase Calrod-type heater element. This heater element is mounted in the center compartment in the desiccant beds. Although the replacement procedure is the same for each heater, the wattage varies by model, voltage, temperature range, etc.

  • Page 35: Replacing/Cleaning The Cooling Coil

    5. Disconnect heater thermostat safety. 6. Pickup and place the top casting in a safe place. 7. Pickup the desiccant can to reveal the heater. 8. Using a 1/8” Allen wrench, remove the four (4) 10-32 screws on the heater plate. 9.
  • Page 36 5. Visually inspect the coil for leaks, dirt, and ant sign of volatiles. 6. Blow the dust out, or if the coil is covered with plasticizer, steam clean it. 7. Place the coil back in its housing. Make sure the gasket is OK, replace if necessary. 8.

  • Page 37: Chapter 6: Troubleshooting

    Introduction The utmost in safety precautions should be observed at all times when working on or around the machine and the electrical components. All normal trouble-shooting must be accomplished with the power off, line fuses removed, and with the machine tagged as out of service.
  • Page 38 Alarm Message Cause HIGH TEMP The process temperature has exceeded the alarm set point. The high temperature snap switch of the process heater box has tripped. The high temperature snap switch on of the regeneration heater boxes has tripped Process blower pressure switch is not detecting pressure.

  • Page 39: Determining Temperature Controller Errors Or Sensor Errors

    Alarm Message Cause VALVE MTR The limit switch on the valve may not have been wired correctly. The valve has made enough rotations and the correct position of the valve was not detected. Determining Temperature Controller Errors or Sensor Errors Using a Thermocouple If the controller displays a temperature that is close to room temperature (70ºF/21ºC) when you short-circuit controller input terminals, the controller is normal and the sensor is probably...

  • Page 40: Chapter 7: Appendix

    Technical Specifications Annex B Information The following design information is provided for your reference: 1. No modifications are allowed to this equipment that could alter the CE compliance 2. Ambient temperature: 3. Humidity range: 4. Altitude: 5. Environment: 6. Radiation: 7.

  • Page 41: Aftercooler Design Specifications

    50°F (If used as Plasticizer trap) Drawings and Diagrams Figure 14: Standard Model (180°F to 230°F) Air Flow Schematic Moisture Exhaust 15, 30, & 60 cfm Compact Dryers Entering water temp. ºF 85ºF 10°C (If used as Plasticizer trap) ºC 29ºC Regeneration Make Up Air...

  • Page 42: Figure 15: High Heat Model (180°F To 400°F) Air Flow Schematic

    Figure 15: High Heat Model (180°F to 400°F) Air Flow Schematic After-Cooler Regeneration Make Up Air Moisture Exhaust Filter High Pressure Peripheral Blower Drying Process Hopper Heater Figure 16: Low Heat Model (120°F to 250°F) Air Flow Regeneration Make Up Air Moisture Exhaust Filter...

  • Page 43: Spare Parts List

    Spare Parts List Figure 18: Level 1 Spare Parts List (Electrical & Mechanical) DRYER SPARE PARTS LIST 15, 30, 60 cfm Models Mechanical Components PART # SIZE Description A0572358 1" O.D. by 12 Ft Long Hi Temp Hose. A0534060 2-1/2" O.D. by 12 Ft Long Hi Temp Hose. A0566535 Return Air Cooling Coil A0570437...
  • Page 44 Item Part # A0571669 A0566840 A0571672 A0534258 725.00761.00 A0566840 A0571673 A0534258 725.00758.00 A0571675 A0540975 A0558201 A0538000 A0571675 A0540975 A0558201 A0536898 A0571675 A0540975 A0558201 A0536898 A0571675 A0540975 A0558187 A0536894 A0571675 A0540975 A0558201 A0536892 A0571675 A0540975 A0558194 725.00753.00 A0568936 A0568936 A0534047 A0534048 A0534047 A0534048 A0534047...
  • Page 45 A0534047 A0534048 A0534043 A0534044 A0534042 A0534043 A0534041 A0534041 Item Qty. Part # A0571670 A0566840 A0571672 A0534258 A0538069 A0566840 A0571673 A0534258 A0568922 A0571675 A0568940 A0558199 A0536892 A0558000 A0558079 A0571675 A0568940 A0558199 725.00753.00 A0558000 A0558079 A0571675 A0568940 A0558199 725.00753.00 A0558000 A0558079 A057165 A0568940 A0558185 A0536889...
  • Page 46 A0558000 A0558078 A0534051 725.00860.00 A0568936 725.00860.00 A0568936 725.00860.00 A0568936 725.00860.00 A0568936 A0534048 A0534046 A0534047 A0568935 A0568935 A0534043 Item Qty. Part # A0571659 A0571675 A0568940 A0558199 A0536892 A0558000 A0558082 A0571675 A0568940 A0558199 725.00753.00 A0558000 A0558082 A0571675 A0568940 A0558199 725.00753.00 A0558000 A0558082 A0571675 A0568940 A0558185...
  • Page 47 A0558000 A0558079 A0571675 A0568940 A0558192 A0536886 A0558000 A0558079 A0534051 A0568936 A0568936 A0534048 725.00860.00 A0534047 A0534048 A0534046 A0534047 A0571672 120V CONTROL COMMON PARTS Item 15, 30, & 60 cfm Compact Dryers CONTACTOR, IEC, 9A, 120VAC COIL RELAY, OVERLOAD, IEC, 1-2.9A 575VAC 3∅ COMMON PARTS, 3∅...
  • Page 48 A0571673 220V CONTROL COMMON PARTS ITEM 3 ∅ COMMON PARTS A0571675 ITEM ITEM ITEM ITEM ITEM 15, 30, & 60 cfm Compact Dryers PART # DESCRIPTION A0571676 SUBPANEL, 16.75X9.75 A0570597 CONTROL PANEL, 5.7X12 A0541669 SWITCH, ROCKER, ILLUM, 220VAC, GRN A0563801 LITE, 3MM, 220 VAC, RED A0541660 LITE, 3MM, 120VAC, GRN...

  • Page 49: Returned Material Policy

    Returned Material Policy Credit Returns Prior to the return of any material authorization must be given by the manufacturer. A RMA number will be assigned for the equipment to be returned. Reason for requesting the return must be given. ALL returned material purchased from the manufacturer returned is subject to 15% ($75.00 minimum) restocking charge.

  • Page 50: 7-7 Technical Assistance

    7-7 Technical Assistance Parts Department Call toll-free 7am–5pm CST [ 800 ] 423-3183 or call [ 262 ] 641-8610, Fax [262] 641-8653 The ACS Customer Service Group will provide your company with genuine OEM quality parts manufactured to engineering design specifications, which will maximize your equipment’s performance and efficiency.

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