Page 2 - Shipping Info; contact the shipping department immediately
Large Dehumidifying Dryers ii Shipping Info Unpacking and Inspection You should inspect the large dehumidifying 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 mou...
Page 3 - Credit Returns
Large Dehumidifying Dryers iii Returns Do not return any damaged or incorrect items until you receive shipping instructions from the shipping department. Credit Returns Prior to the return of any material authorization must be given by the manufacturer. A RMA number will be assigned for the equipmen...
Page 4 - Table of Contents
Large Dehumidifying Dryers iv Table of Contents CHAPTER 1: SAFETY ................................................................ 8 1-1 How to Use This Manual ............................................................................................. 8 Safety Symbols Used in this Manual ............
Page 7 - -1 How to Use This Manual
Large Dehumidifying Dryers Safety 7 Chapter 1: Safety 1-1 How to Use This Manual Use this manual as a guide and reference for installing, operating, and maintaining the large dehumidifying dryer. The purpose is to assist you in applying efficient, proven techniques that enhance equipment productivit...
Page 8 - PE; -2 Warnings and Precautions
Large Dehumidifying Dryers Safety 8 Dryer Safety Tags Tag Description Tag Description Read Operation & Installation Manual High Voltage Inside Enclosure Hot! Lifting Point PE Protected Earth Ground Earth Ground 1-2 Warnings and Precautions Our equipment is designed to provide safe and reliable o...
Page 9 - PROPERLY TRAINED; -3 Responsibility
Large Dehumidifying Dryers Safety 9 ; Only PROPERLY TRAINED personnel familiar with the information in this manual should work on this equipment. We have long recognized the importance of safety and have designed and manufactured our equipment with operator safety as a prime consideration. We expect...
Page 11 - DO NOT; DO
Large Dehumidifying Dryers Safety 11 When you need to perform maintenance or repair work on a dehumidifying dryer above floor level, use a solid platform or a hydraulic elevator. If there is a permanently installed catwalk on your dryer, use it. The work platform should have secure footing and a pla...
Page 12 - Chapter 2: Functional Description; -1 Models Covered in This Manual
Large Dehumidifying Dryers Functional Description 12 Chapter 2: Functional Description 2-1 Models Covered in This Manual This manual provides operation, installation, and maintenance instructions for 600-3000 cfm Large Dehumidifying Dryers with AP0 control. These dryers are available with electric h...
Page 13 - Figure 1: Regeneration Cycle
Large Dehumidifying Dryers Functional Description 13 moisture is stripped from the air by a desiccant bed. The dried process air is then re-heated and delivered back into the drying hopper to dry material again. This system is a "closed loop", because ambient (outside) air is never introduce...
Page 15 - -3 Controller Description; Figure 2: Controller Screen Descriptions
Large Dehumidifying Dryers Functional Description 15 2-3 Controller Description The AP0 control package uses a relay logic controller to control the operation of the dryer. See below for descriptions of each screen. Figure 2: Controller Screen Descriptions Regen Set Screen. Displays heating and cool...
Page 16 - -4 Standard Features
Large Dehumidifying Dryers Functional Description 16 2-4 Standard Features Mechanical Features ; 180ºF – 250ºF Drying temperature range ; High regeneration temperature control safeties ; 13X desiccant (molecular sieve) ; Easy to access process and regeneration ; High pressure centrifugal blower ; De...
Page 17 - Section; Figure 4: Process Aftercooler
Large Dehumidifying Dryers Functional Description 17 2-5 Options Closed-Loop Regeneration An optional regeneration closed-loop valve and heat exchanger can be used to close the regeneration loop during the cooling portion of the regeneration cycle. If this option is enabled on the dryer, air will be...
Page 18 - Figure 5: Process Air Dust Collector; SET BACK SETPOINT
Large Dehumidifying Dryers Functional Description 18 Process Air Dust Collector The optional process air dust collector consists of a filter, dust can, pressure gauge, and optional pressure switch (see Figure 5). The gauge will let you know whether it is time to clean out your filters. The optional ...
Page 19 - Figure 6: Material Miser/Air Balance Valve
Large Dehumidifying Dryers Functional Description 19 Figure 6: Material Miser/Air Balance Valve Coupling Temperature Probe Drying Hopper Valve Proofing Switch Mechanical Options ; Low temperature operation (120°F to 250°F) ; High temperature operation (180°F to 400°F) ; Precooler (Required for tempe...
Page 20 - -6 Safety Devices and Interlocks
Large Dehumidifying Dryers Functional Description 20 2-6 Safety Devices and Interlocks This section includes information on safety devices and procedures that are inherent to the large dehumidifying dryer. This manual is not intended to supersede or alter safety standards established by the user of ...
Page 22 - Chapter 3: Mechanical Installation; -1 Uncrating the Equipment
Large Dehumidifying Dryers Mechanical Installation 22 Chapter 3: Mechanical Installation 3-1 Uncrating the Equipment The large 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 ...
Page 23 - -4 Checking for Proper Blower Rotation; before
Large Dehumidifying Dryers Mechanical Installation 23 ; The power drop must include a ground wire. ; Make sure all electrical connections are tight. 3-4 Checking for Proper Blower Rotation After the electrical connections have been made, check the process and regeneration blowers for proper blower r...
Page 24 - -5 Making Dryer/Drying Hopper Process Air Connections; Figure 8: Dryer/Drying Hopper Process Air Connections
Large Dehumidifying Dryers Mechanical Installation 24 3-5 Making Dryer/Drying Hopper Process Air Connections When making process air connections to your dryer, ensure that you take into consideration and make arrangements for the following: ; Use high-temperature flexible dryer hose or rigid tubing ...
Page 25 - Figure 9: Aftercooler Components & Flow Rates
Large Dehumidifying Dryers Mechanical Installation 25 After cooler Model Water Flow ( GPM ) AD600 10 AD850 10 AD1000 15 AD1250 15 AD1500 20 AD2000 25 AD2500 30 AD3000 35 High Temperature Gasket Stainless Steel Cooler Housing Cooling Coil Cooling Coil Pipe Gasket Cooling Coil Cover Plate Mounting Bra...
Page 26 - -7 Using the Drying Hopper Air Trap; Figure 10: Drying Hopper Air Trap
Large Dehumidifying Dryers Mechanical Installation 26 3-7 Using the Drying Hopper Air Trap Our exclusive air trap assembly in the top of the drying hopper prevents ambient air from contaminating the material being dried. To ensure that air does not enter the drying system, do the following (See Figu...
Page 27 - Chapter 4: Controls; -1 Controller Description and Operation; Switches; Indicator Lights; Figure 11: Typical Process Air Temperature Controller
Large Dehumidifying Dryers Controls 27 Chapter 4: Controls 4-1 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 ...
Page 29 - E5CN Operating Parameters
Large Dehumidifying Dryers Controls 29 Identifying Temperature Controller Keys Indicator Name Description Mode Key Press the Mode key to shift the display to the next set of parameters. The menu screen displays. Down Key Press the Down arrow key to lower the process air set point temperature. During...
Page 32 - Optional; P V; AT
Large Dehumidifying Dryers Controls 32 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. The controller is a modular, self...
Page 33 - WATLOW Operating Parameters
Large Dehumidifying Dryers Controls 33 Redundant Safety Controller Display Optional The Redundant Safety Controller limits the process air temperature from exceeding the upper temperature range set by the E5CN Temperature Controller. Standard dryers use a microprocessor-based controller for limiting...
Page 35 - Chapter 5: Operation; OFF
Large Dehumidifying Dryers Operation 35 Chapter 5: Operation 5-1 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 ...
Page 36 - -2 Dryer Operation Procedures; ON; START
Large Dehumidifying Dryers Operation 36 5-2 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 tempe...
Page 39 - -3 Alarm Display Messages
Large Dehumidifying Dryers Operation 39 18. Turn selector switch to START position to start the dryer. The bed switch valve will cycle to a known good position. The process & regen blowers will start. Process & Regen heaters are enabled. A new regen heat/cool cycle is started. Blower alarms ...
Page 40 - -5 Shutting Down the Dryer
Large Dehumidifying Dryers Operation 40 PF - PROCESS FILTER RF - REGEN FILTER CV - CLOSED LOOP VALVE BV - BED SWITCH VALVE PS - PROCESS TEMP SWITCH RS - REGEN TEMP SWITCH PH - PROCESS HI TEMP Screen 6. PL - PROCESS LOW TEMP RH - REGEN HI TEMP DP - DEWPOINT PR - REDUNDANT SAFETY 5-4 Auto-Tuning the D...
Page 41 - Chapter 6: Maintenance; -1 Maintenance Schedule; EVERY WEEK
Large Dehumidifying Dryers Maintenance 41 Chapter 6: Maintenance 6-1 Maintenance Schedule The checklist below contains a list of items that should be inspected and/or replaced to keep your Large Dehumidifying Dryer operating at peak efficiency. Perform each inspection at the regular intervals listed...
Page 42 - -2 Preventative Maintenance; Compressed Air Cleaning.; Figure 16: Process Filter Housing
Large Dehumidifying Dryers Maintenance 42 6-2 Preventative Maintenance Cleaning or Replacing the Process Air Filters Regular filter cleaning will keep your dryer operating at peak efficiency. The process air filters protect the centrifugal blowers from plastic fines being drawn in from the drying ho...
Page 45 - -3 Corrective Maintenance
Large Dehumidifying Dryers Maintenance 45 6-3 Corrective Maintenance Symptoms of Worn Out Desiccant The moisture adsorption capacity of the desiccant used in Large Dehumidifying Dryers degrades after an indefinite period of time. Useful life depends on variables such as material moisture content, pl...
Page 46 - Figure 17: Desiccant Tower Assembly
Large Dehumidifying Dryers Maintenance 46 6. Inspect the gaskets on each of the covers. Replace if necessary. 7. Re-install the covers. Figure 17: Desiccant Tower Assembly Regeneration Heater Cover. High Temperature Gaskets. Heater Element Mounting Plate. Access cover can be removed in order to repl...
Page 47 - Figure 19: Process Heater Box Assembly
Large Dehumidifying Dryers Maintenance 47 High Temperature Gasket Double Wall Stainless Steel Heater Housing Heater Elements Heater Element Mounting Plate Stainless Steel Heater Housing Cover High Temperature Gasket Heater Assembly Gude Bars 1. Remove the bolts securing the process heater access cov...
Page 48 - Figure 20: Regeneration Heater Box Assembly
Large Dehumidifying Dryers Maintenance 48 1. Access the desiccant canisters by removing the panels on the dryer. 2. Remove the Regeneration Heater Cover. 3. Unscrew the six (6) screws on the Heater Element Mounting Plate. 4. Slide out the heater assembly, taking care to not damage the gaskets. 5. Un...
Page 49 - Chapter 7: Troubleshooting; -2 Basic Troubleshooting; Problem
Large Dehumidifying Dryers Troubleshooting 49 Chapter 7: Troubleshooting 7-1 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 must be accomplished with the power off, line fu...
Page 53 - Chapter 8: Appendix
Large Dehumidifying Dryers Appendix 53 Chapter 8: Appendix 8-1 Warranty The manufacturer warrants all equipment manufactured by it to be free from defects in workmanship and material when used under recommended conditions. The company’s obligation is limited to repair or replace FOB the factory any ...
Page 54 - -2 Technical Specifications
Large Dehumidifying Dryers Appendix 54 8-2 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: 0 degrees Celsius – Maximum (104 degre...
Page 55 - -3 Drawings and Diagrams
Large Dehumidifying Dryers Appendix 55 8-3 Drawings and Diagrams Regen. Filter Regeneration Blower Process Blower Optional After-cooler Process Air Filter Insulated Drying Hopper Left Desiccants Right Desiccants Process Heater Optional Regeneration Closed Loop Cooler Optional Regeneration Closed Loo...
Page 56 - Optional dryer dust collector
Large Dehumidifying Dryers Appendix 56 PS Differential Pressure Switch Filter Check Gage E F Dust Level Indicator Slide Gate Clamp Dust Pan Filter Retainer Dust Shroud Cartridge Filter Thumb Screws Optional dryer dust collector
Page 57 - -4 Spare Parts List
Large Dehumidifying Dryers Appendix 57 8-4 Spare Parts List 600CFM 600CFM 600CFM 600CFM 600CFM 850CFM 850CFM 850CFM 850CFM 850CFM 1000C F M 1000C F M 1000C F M 1000C F M 1000C F M 1250C F M 1250C F M 1250C F M 1250C F M 1250C F M 1500C F M 1500C F M 1500C F M 1500C F M 1500C F M 2000C F M 2000C F M ...
Page 59 - Dryer Identification (Serial Number) Tag
Large Dehumidifying Dryers Appendix 59 8-5 Dryer Identification (Serial Number) Tag (Located on back of Dryer) XXX Series Dryer Model Number XXX-15 Max Drying Capacity HR 460V Serial Number 060701R 1 Date of Manufacture 06/2003 4.5A Over-current Protection Device (s) 4.5A Total Frequency 50/60Hz Com...
Page 61 - -6 Technical Assistance
Large Dehumidifying Dryers Appendix 60 8-6 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 will provide your company with genuine OEM quality parts manufactured to engineering design specificati...
