Sterling SDAA 25-100 manuale d’uso

SDAA 25-100 (15-60 cfm) Dehumidifying Dryers Part Number: 882.00290.0 0 Bulletin Number: DH1-640 Effective: 12/06/05 Write Down Your Serial Numbers Here For Future Reference: _________________________ _________________________ _________________________ _________________________ _________________________ _________________________ We are committed to[...]

Shipping Information Unpacking and Inspection You should inspect your dryer for possible shipping damage. Thoroughly check the equipment for any dam age th at might have occurred in transit, such as broken or loose wiring and components, l oose hardware and mounting screws, etc. In the Event of Shipping Damage According to the contract terms and co[...]

Dehumidifying Dryers ii Table of Contents CHAPTER 1: SAFETY ................................................................ V 1-1 How to Use This Manual ............................................................................................. v Safety Symbols Used in this Manual .................................................................[...]

Dehumidifying Dryers iii Restoring the Process Air Temperature Controller (E5CN) to Factory Settings.. 28 Process Air Dew Point Display ............................................................................ 31 Setting the High Dew Point Alarm ....................................................................... 31 Restoring the Process Air [...]

Dehumidifying Dryers iv Service Department ............................................................................................. 59 Sales Department ................................................................................................ 59 Contract Department .........................................................................[...]

Dehumidifying Dryers Chapter 1: Safety v of 59 Chapter 1: Safety 1-1 How to Use This Manual Use this manual as a guide and reference for installing, operating, and maintaining your dehumidifying dryer. The purpose is to assist you in applying effici ent, proven techniques that enhance equipment productivity. This manual covers only light corrective[...]

Dehumidifying Dryers Chapter 1: Safety vi 1-2 Warnings and Precautions Our equipment is designed to provide safe and reliable operation when installed and operated within design specifications, following national a nd local safety codes. This may include, but is not limited to OSHA, NEC, CSA, SPI, and any other local, national and international reg[...]

Dehumidifying Dryers Chapter 1: Safety vii 1-3 Responsibility These machines are constructed for maximum operator safety when used under standard operating conditions and when recommended inst ructions are followed in the maintenance and operation of the machine. All personnel engaged in the use of the machin e should become familiar with its opera[...]

Dehumidifying Dryers Chapter 1: Safety viii Operator Responsibility The operator’s responsibility does not end with e fficient 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[...]

Dehumidifying Dryers Chapter 1: Safety ix • Clean the dryer and surrounding area DAILY , and inspect the machine for loose, missing or broken parts. • Shut off power to the dryer when it is not in use. T urn the switch to the OFF position, or unplug it from the power source. Maintenance Responsibility Proper maintenance is essential to safety. [...]

Dehumidifying Dryers Chapter 1: Safety x[...]

Dehumidifying Dryers Chapter 2: Functional Description 11 of 59 Chapter 2: Functional Description 2-1 Models Covered in This Manual This manual provides operation, installation, and m aintenance instructions for 15, 30, and 60 cfm dehumidifying dryers. Model num bers are listed on the serial tag. Make sure you know the model and serial number of yo[...]

Dehumidifying Dryers Chapter 2: Functional Description 12 of 59 A small amount of ambient air is introduced in to the process air stream to make up for the air lost during the bed regeneration. Because the process air is typically much drier than the ambient air, the air mixture maintains drying effici ency at a consistently high level. This air is[...]

Dehumidifying Dryers Chapter 2: Functional Description 13 of 59 • NFPA79 machinery electrical standards • Non-fused electrical disconnect • Branch fusing • Mercury process heater contactor • Regeneration temperature control • Process high temperature alarm light • Process/regeneration heater box • High temperature safety system (Pro[...]

Dehumidifying Dryers Chapter 2: Functional Description 14 of 59 • Identify and locate specific safety devices. • Understand the proper use of the safety devices provided. • Describe the function of the safety device. Safety Circuit Standards Safety circuits used in industrial systems protect the o perator and maintenance personnel from danger[...]

Dehumidifying Dryers Chapter 3: Installation 15 of 59 Chapter 3: Inst allation 3-1 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. Note: Remove the nails holding the box to the skid and lif t the box off carefully; avo[...]

Dehumidifying Dryers Chapter 3: Installation 16 of 59 Figure 16: Machine-Mount Dryer Dimensions 15, 30, 60 cfm mac hine-mount dimensions in inc hes/cm 15 cfm 30 cfm 60 cfm 0.7 ft. 3 /20 liters 1.5 ft. 3 /40 liters 1.5 ft. 3 /40 liters 3.0 ft. 3 /80 liters 4.0 ft. 3 /120 liters 6.0 ft. 3 /160 liters Dimension in. cm in. cm in. cm in. cm in. cm in. c[...]

Dehumidifying Dryers Chapter 3: Installation 17 of 59 Figure 17: Floor-Mount Dryer Dimensions 15, 30, 60 cfm floor-mount dimension s in inches/cm 15 cfm 30 cfm 60 cfm Dimension in. cm in. cm in. cm A 20 51 20 51 24 61 B 32.5 83 32.5 83 32.5 83 C 30 76 30 76 30 76 D 30 76 30 76 34 86 E 23.75 60 23.75 60 28 71 ON OFF PROCESS TEMPERATURE DEW POINT CON[...]

Dehumidifying Dryers Chapter 3: Installation 18 of 59 Figure 1: Suggested Lift Rigging for Cart Mounted Dryers Caution! Do not use a hoist to move or rig your Dryer when it is mounted on a cart! Moving the Dryer with a hoist will cause it to become unstable and may cause damage to the Dryer and/or injury to personnel! Recommended Dryer Lifting Hard[...]

Dehumidifying Dryers Chapter 3: Installation 19 of 59 Figure 3: Suggested Lift Rigging for Machine Mounted Dryers 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 be[...]

Dehumidifying Dryers Chapter 3: Installation 20 of 59 3-4 Setup Procedures This section provides the procedures necessary fo r configuring your Dehumidifying Dryer. Configuration of your dryer includes checking for pr oper blower rotation, making dryer/drying hopper process air connections and the optional aftercooler (on 60 cfm models). We recomme[...]

Dehumidifying Dryers Chapter 3: Installation 21 of 59 Drying Hopper Air Trap Considerations Our exclusive air trap assembly on the top of the drying hopper prevents am bient 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 th[...]

Dehumidifying Dryers Chapter 3: Installation 22 of 59 3-5 Initial Start-up Pre-Startup Checks ; Check the process and return hoses for tight connections. ; Check all companion equipment, such as the drying hopper; verif y that the loading system is ready for operation. ; Verify that all dryer electrical connections are tight. Starting Up the Dryer [...]

Dehumidifying Dryers Chapter 3: Installation 23 of 59 Shutting Down the Dryer 1. Turn off the conveying system supplying the drying hopper. 2. When processing is complete, close the hoppe r slide gate and shut down any in-line companion equipment, such as the aftercooler. 3. Turn the Dryer ON/OFF selector switch to OFF . 4. Turn the system ON/OFF s[...]

Dehumidifying Dryers Chapter 4: Operation 24 of 59 Chapter 4: Operation 4-1 Start-up 1. Turn on (energize) the disconnect switch in your power drop, then turn on the o ne on the dryer. 2. Turn the system ON/OFF switch to ON to energize the display panel. 3. Close the slidegate at the bottom of the drying hopper. Make sure that the blowers turn in t[...]

Dehumidifying Dryers Chapter 4: Operation 25 of 59 4-2 Controller Description and Operation Identifying Control Panel Indicator Lights and Switches for the Standard Controller Switches System OFF/ON/START Switch. This switch energizes or de-energizes control power to the indicator panel and starts the dryer. (The controller can be energized without[...]

Dehumidifying Dryers Chapter 4: Operation 26 of 59 Process Air Temperature Controller Our dryers use a microprocessor-based PID temp erature controller for maintaining process air temperature. The controller is a modular, self-contained unit you c an remove from the mounting housing. All parameters except for the process air set point are factory s[...]

Dehumidifying Dryers Chapter 4: Operation 27 of 59 Indicator Name Description ALARM1 ALARM 1 LED Lights in the Operation Indicator Section when the output function assigned to auxiliary output 1 turns on. The ALARM1 indicator lights when the process temperature exceeds the set point temperature by more than the alarm deviation value. Alarm output d[...]

Dehumidifying Dryers Chapter 4: Operation 28 of 59 Restoring the Process Air Temperature Controller (E5CN) to Factory Settings If the preset parameters on the controller have been tampered with and it no longer properly controls temperature and displays dew point, you can restore the controllers to the factory setup. Call the Service Department for[...]

Dehumidifying Dryers Chapter 4: Operation 29 of 59 Adjustment Level Indicator Name Description Auto-Tune Mode (At) See Page 19 of Chapter 3 for instructions on how to Auto-Tune your dryer. Note: Although the controller is calibrated at the factory, the manufacturer recommends that the unit be Auto- Tuned prior to dryer startup. Temperature Input Sh[...]

Dehumidifying Dryers Chapter 4: Operation 30 of 59 Entering Operating Parameters to Select Modes To enter the display: 1. Press the Mode Display key to view the Run/Stop & Alarm 1 Modes. 2. Press and to set the higher or lower the values of the param eter or turn that function On or Off. The SV readout displays the different values for the para[...]

Dehumidifying Dryers Chapter 4: Operation 31 of 59 Process Air Dew Point Display Optional The Process Air Dew Point meter indicates the cu rrent process air delivery m oisture content. Standard dryers use a microprocessor-based controller for displaying dew point air temperature. The controller is a modular, self-contained unit removable from the m[...]

Dehumidifying Dryers Chapter 4: Operation 32 of 59 Redundant Safety Controller Display Optional The Redundant Safety Controller limits the pr ocess air temperature from exceeding the upper temperature range set by the E5CN Temperature Controller. Standard dryers use a microprocessor-based controller for limiting the process air temperature. The con[...]

Dehumidifying Dryers Chapter 4: Operation 33 of 59 Entering Operating Parameters to Select Modes To enter the display: 1. Press both the Up and Down keys for three seconds from the home page. The word SEE will appear in the upper display and PAGE will appear in the lower display. 2. Press the Advance Key to move through the param eter prompts. 3. P[...]

Dehumidifying Dryers Chapter 4: Operation 34 of 59 4-3 Dryer Operation Procedures Controller Operation (Without Optional Alarm Horn & Reset Button) 1. Turn the disconnect on the control panel to the ON position. Power is applied to the voltage line fuses, line side of the control power switch and the temperature controller. 2. Turn the control [...]

Dehumidifying Dryers Chapter 4: Operation 35 of 59 3. Once the control power is on and no fa ult conditions exist, turning the OFF-ON- START switch to the START position will start the dryer as follows: a. The process heater is turned on and controlled by the E5CN controller. b. The process/regen blower is started. c. The regen heater is turned on [...]

Dehumidifying Dryers Chapter 4: Operation 36 of 59 11. When a dew point fault is generated by th e optional d ew point controller, the alarm light will activate. The alarm light will flash, indicating a non-critical fault. Press Alarm Reset to deactivate the alarm un til the next dew point fault oc curs. 12. The top 2 lines of the displa y show the[...]

Dehumidifying Dryers Chapter 4: Operation 37 of 59 Controller Operation (With Optional Alarm Horn & Reset Button) 1. Turn the disconnect on the control panel to the ON position. Power is applied to the voltage line fuses, line side of the control power switch and the temperature controller. 2. Turn the control power switch to the ON position. P[...]

Dehumidifying Dryers Chapter 4: Operation 38 of 59 5. If the OMRON controller faults, the optional redundant high tem perature safety device opens, or the process heater safety switch opens, a process heater fault is generated. “HIGH TEMP” is displa yed on the relay screen. The alarm horn and light are activated. The process heater, regen heate[...]

Dehumidifying Dryers Chapter 4: Operation 39 of 59 Alarm Display Messages Note: The relay screen which contains the Alarm Display Messages is located inside the controller enclosure. WARNING! Do not attempt to check the Alarms on the Controller located within the unit enclosure unless you are a qualified electrician! The following is a list of Alar[...]

Dehumidifying Dryers Chapter 4: Operation 40 of 59 4-4 Auto-Tuning the Dryer 1. For Auto-tuning, press the beige button on ce. The AT screen will show with the setting OFF. 2. Press the UP arrow to change the setting to ON. 3. Press the beige button again to go back to the Temperature Screen. Your actual temperature will start to flash for about 10[...]

Dehumidifying Dryers Chapter 5: Maintenance 41 of 59 Chapter 5: Maintenance 5-1 Preventative Maintenance Schedule The checklist below contains a list of items wh ich should be inspected and/or replaced to keep your Dehumidifying Dryer operating at peak efficiency. Perform each inspection at the regular intervals listed below. System model # Serial [...]

Dehumidifying Dryers Chapter 5: Maintenance 42 of 59 5-2 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 d[...]

Dehumidifying Dryers Chapter 5: Maintenance 43 of 59 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 fr om the filter with compressed air or vaccum from the outside. Caution! DO NOT clean/wash filter with water! After each cleaning: • Inspect the fil[...]

Dehumidifying Dryers Chapter 5: Maintenance 44 of 59 Dew point sensor life depends on: • Air temperature and flow passing over the sensor. • The amount of fines (dust) in the process air. • The amount of plasticizer vapor in the process air. Once every six months, the dryer operator should monitor the initial dew point s ensor readings and es[...]

Dehumidifying Dryers Chapter 5: Maintenance 45 of 59 WARNING! Handling desiccant material is HAZAR DOUS. 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. • Handle with adequate ventilation. • Wash hands thoroughly after handlin[...]

Dehumidifying Dryers Chapter 5: Maintenance 46 of 59 Figure 11: Desiccant Bed Location and Disassembly Caution! You should properly dispose of any discarded desiccant. Consult local disposal regula tions for more information. Inspect each lower desiccant screen for tear s or holes where desiccant burned-through. Replace as needed. After cleaning ea[...]

Dehumidifying Dryers Chapter 5: Maintenance 47 of 59 Replacing the Process Heater The dehumidifying dryers utilize a single-phase Ca lrod-type heater element. This heater element is mounted in the center compartm ent below the desiccant beds. Although the replacement procedure is the same for each heater, the wattage varies by m odel, voltage, temp[...]

Dehumidifying Dryers Chapter 6: Troubleshooting 48 of 59 Chapter 6: T roubleshooting 6-1 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 m ust be accomplished with the power off, line fuses rem oved, and with the machine ta[...]

Dehumidifying Dryers Chapter 6: Troubleshooting 49 of 59 Problem Possible cause Corrective action Process heaters are faulty. Check for open heaters. Replace if required. Solid-state temperature controller faulty. Replace. Loss or reduction of process air temperature. Process temperature was adjusted in error by plant personnel. Make sure that plan[...]

Dehumidifying Dryers Chapter 6: Troubleshooting 50 of 59 Problem Possible cause Corrective action Process temperature set too high due to operator error. Check resin manufacturer’s data sheet for proper drying temperature. Make sure plant personnel are aware of the correct process temperature set point. High temperature alarm not set properly. Re[...]

Dehumidifying Dryers Chapter 6: Troubleshooting 51 of 59 Problem Possible cause Corrective action No setting change possible on temperature controller. The key protection switch is set to ON . Set the key protection switch to OFF . Input polarity on thermo-couple is wrong or connection is wrong. Properly wire the terminals. Input-type setting is in[...]

Dehumidifying Dryers Chapter 7: Appendix 52 of 59 Chapter 7: Appendix 7-1 Warranty Unless otherwise specified, this product includes a Standard ONE YE AR PARTS WARRANTY. Warranty Specifications The manufacturer hereby expressly warrants all equipment manufactured by it to be free fro m defects in workmanship and material when used under recommended[...]

Dehumidifying Dryers Chapter 7: Appendix 53 of 59 Warranty Liabilities THE COMPANY EXPRESSLY DIS CLAIMS ANY AND ALL LIABILITY FOR ANY SPECIAL, CONSEQUENTIAL OR INCIDENTAL DAMAGES OR EXPENSES THAT RESULT FROM THE USE OF THIS PRODUCT. Some states do not allow the exclusion or limitation of special, consequential or incide ntal damages, so the above l[...]

Dehumidifying Dryers Chapter 7: Appendix 54 of 59 7-3 Technical Specifications Annex B Information The following design information is provided for your reference: 1. No modifications are allowed to this equi pment that could alter the CE compliance 2. Ambient temperature: 0 degrees Celsius – Maximum (104 degrees Fahrenheit) 3. Humidity range: 50[...]

Dehumidifying Dryers Chapter 7: Appendix 55 of 59 Aftercooler Design Specifications Entering water temp. ºF ºC 85ºF 29ºC 7-4 Drawings and Diagrams 7-5 Spare Parts List Figure 18: Level 1 Spare Parts List (Electrical & Mechanical) MINI DRYER SPARE PARTS LIST AD15, AD30, AD60 15CFM 15CFM 15CFM 15CFM 15CFM 15CFM 30CFM 30CFM 30CFM 30CFM 30CFM 3[...]

Dehumidifying Dryers Chapter 7: Appendix 56 of 59 Figure 19: Level 2 & 3 Spare Parts List (Electrical & Mechani cal) MINI DRY ER SPARE P ARTS LI ST AD15, AD30, AD60 15CFM 15CFM 15CFM 15CFM 15CFM 15CFM 30CFM 30CFM 30CFM 30CFM 30CFM 30CFM 60CFM 60CFM 60CFM 60CFM 60CFM 60CFM 208V 3PH 220V 50 HZ 3PH 230V 3PH 400V 50 HZ 3PH 460V 3PH 575V 60 HZ 3[...]

Dehumidifying Dryers Chapter 7: Appendix 57 of 59 7-6 Returned Material Policy Credit Returns Prior to the return of any material authorization m ust 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 retu[...]

Dehumidifying Dryers Chapter 7: Appendix 58 of 59 7-8 Dryer Identification (Serial Number) Tag (Located on back of Dryer) Company Logo XXX Series Dryer Model Number XXX-15 Max Drying Capacity HR 460V Serial Number 060701R 1 Ǿ Date of Manufac ture 06/2003 4.5A Over-current Protec tion Device (s) 4.5A Total Frequency 50/60Hz Compressed air supply No[...]

Dehumidifying Dryers Chapter 7: Appendix 59 of 59 7-9 Technical Assistance Parts Department Call toll-free 7am–5pm CST [ 800 ] 423- 3183 or call [ 630 ] 595-1060, Fax [630] 475-7005 The ACS Customer Service Group w ill provide your compa ny with genuine OE M quality parts manufactured to engi neering design specifications, which will maximize you[...]