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SDAA 25-100 Small Dryer
With AP-1 Controls
Part Number: 882.00294.00
Bulletin Number: DH1-610-2
Effective: 05/15/06
Write Down Your Serial Numbers Here For Future Reference:
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We are committed to a continuing program of product improvement.
Specifications, appearance, and dim
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Shipping Information Unpacking and Inspection You should inspect your portable drying/conveying system 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. Notify the transpor
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Table of Contents CHAPTER 1: SAFETY ................................................................ 6 1-1 How to Use This Manual .............................................................................................6 Safety Symbols Used in this Manual.....................................................................6 1-2 Safety Tag Information................................................................................................7 Dryer Safety Tags ......................
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Disconnect Switch ......................................................................................21 Control Power Switch .................................................................................21 Touch Screen .............................................................................................21 Alarm Horn & Light .....................................................................................21 Process Air Temperature Controll
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Replacing the Process Heater.............................................................................45 Replacing/Cleaning the Cooling Coils .................................................................46 CHAPTER 6: TROUBLESHOOTING ........................................ 48 6-1 Introduction................................................................................................................48 6-2 Determining Temperature Controller Errors or Sensor Errors..................
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Chapter 1: Safety 1-1 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. The Functional Description section outlines models covered, standard features, and safety fea
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1-2 Safety Tag Information Dryer Safety Tags Hot! Read Operation and Installation Manual High Voltage Earth Ground Inside Enclosure PE Protected Earth Lifting Point Ground 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,
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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. Only PROPERLY TRAINED personnel familiar with the information in this manual should work on this equipmen
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Please read and use this manual as a guide to equipment safety. This manual contains safety warnings throughout, specific to each function and point of operation. Operator Responsibility 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 atti
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• NEVER stand or sit where you could slip or stumble into the equipment while working on it. • DO NOT wear loose clothing or jewelry, which can be caught while working on the equipment. In addition, cover or tie back long hair. • Clean the equipment and surrounding area DAILY, and inspect the machine for loose, missing or broken parts. • Shut off power to the equipment when it is not in use. Turn the switch to the OFF position, or unplug it from the power source. Maintenance Responsibi
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Chapter 2: Functional Description 2-1 Models Covered in This Manual This manual provides operation, installation, and maintenance instructions for 15, 30 or 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. Our dehumidifying mini dryers are designed to generate heated dehumidified air (at a very low dew point) at carefully controlled temperatur
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2-3 Standard Features Mechanical Features • Rugged compact cart with handles and sturdy 4” (10 cm) casters. • Dual desiccant beds • Electrically-motorized air valve • 13X Molecular Sieve • Single regenerative process blower • Drying temperature range of 180ºF to 250ºF (82ºC to 121ºC) • 2.5” hose connections Electrical Features • Process thermocouple to be connected to drying hopper air inlet. • Nema 12 control enclosure • NFPA79 machinery electrical standards • Non-fused electrica
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2-4 Options Options marked with “*” indicate options that can be factory installed or retrofitted in the field. • * Process temperature up to 400ºF (204º C), including aftercooler with dryer and silicone insulated delivery hose. Note: For below 180°F (82ºC), cooler needs to cool the air coming out of the desiccant tank prior to entering the process heater box. • * If the dryer is a central dry air generator, it will not have a process heater box. • * Plasticizer trap (with cooling coil)
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Every effort has been made to incorporate these standards into the design of the drying system; however, it is the responsibility of the personnel operating and maintaining the equipment to familiarize themselves with the safety procedures and the proper use of any safety devices. Fail Safe Operation If a safety device or circuit should fail, the design must be such that the failure causes a “Safe” condition. As an example, a safety switch must be a normally open switch. The switch must b
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Chapter 3: Installation 3-1 Uncrating the Equipment Portable Drying/Conveying Systems 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 lift the box off carefully; avoiding staples in the 1’ x 4’ wood supports. Cut the steel banding. 2. Use a pry bar to remove the blocks securing the unit to the skid. 3. Lift unit from sides. Use a pry bar if nece
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Figure 1: Suggested Lift Rigging for Cart Mount Dryers DO NOT USE ON TEMPERATURE PROCESS DEW POINT CONTROL POWER ALARM HORN ON OFF ALARM ALARM Silencer USE FORK LIFT TRUCK 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 2: Suggested Lift Rigging for Cart Mounted Dryers Note: Floor Mo
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Figure 3: Suggested Lift Rigging for Cart Mounted Dryers Mounting flange E E Diameter hole: F ON PROCESS TEMPERATURE DEW POINT Notes: Hopper mounting flanges on 0.75 and CONTROL POWER ALARM HORN ON OFF and 1.5 cu. ft. (20 & 40 liter) hoppers ALARM ALARM Silencer are supplied blank so the customer can drill to match existing machine throat. 3.0 cu. ft. (80 liter) hoppers and larger are not supplied with a cast flange (as shown). Caution! When using a hois
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3-4 Setup Procedures This section provides the procedures necessary for configuring your portable drying/conveying system. Configuration of your unit includes checking for proper blower rotation and installing the optional aftercooler (on 60 cfm models). We recommend that you carry out these procedures in the order given here. Note: Before carrying out these procedures, install all equipment as described in this section. Checking for Proper Blower Rotation Three-Phase Models Caution!
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NOTE: If the Aftercooler is used as a plasticizer trap, the water temperature of 50°F or lower is recommended. 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; verify that the loading system is ready for operation. Verify that all dryer electrical connections are tight. Verify that the thermocouple is properly installed at the hopper inlet. Starting Up the Dryer 1. Turn on
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Figure 2: Process Autotune Screen 1. The autotune feature can be enabled by pressing the START/STOP button located in the center of the screen. 2. AUTOTUNE IN PROGRESS or PROCESS NOT ACTIVE will inform the operator of the current status of this feature. 3. At this point the operator can return back to the DRYER MENU or MAIN MENU by touching the appropriate button on the screen. Shutting Down the Dryer 1. Turn off the conveying system supplying the drying hopper and/or machine. Pre
