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www.conairnet.com
USER GUIDE
UGD024/0304
D Carousel Dryer - DC-1
Models 15, 25, 50, 75, and 100 with DC-1 Controls
INTRODUCTION • Purpose of the User Guide How the guide is organized Your responsibilities as a user ATTENTION:
Read this so no one gets hurt How to use the lockout device DESCRIPTION What is the D Carousel Dryer?
Typical applications How it works Specifications: D Dryer INSTALLATION Unpacking the boxes Preparing for
installation Mounting the dryer a
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Please record your equipment’s It’s a good idea to record the model and serial number(s) of your equipment and model and serial number(s) and the date you received it in the User Guide. Our service department uses this infor- the date you received it in the mation, along with the manual number, to provide help for the specific equipment spaces provided. you installed. Please keep this User Guide and all manuals, engineering prints and parts lists together for documentation of your equipment. Dat
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Table of Contents 1-1 Introduction Purpose of the User Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 How the guide is organized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Using the D series as a central dryer . . . . . . . . . . . . . . . . . . . . . . 1-3 Your responsibilities as a user . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 ATTENTION: Read this so no one gets hurt . . . . . . . . . . . . . . . . . . 1-4 How to use the lockout device
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Checking for proper air flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 Connecting the air hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Connecting water hoses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Connecting the RTD probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 Connecting the Optional Setback RTD. . . . . . . . . . . . . . . . . . . . . 3-16 Mounting a loader on the hopper . . . . . . . . . . . . . . .
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6-1 Troubleshooting Before beginning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 A few words of caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3 DIAGNOSTICS How to identify the cause of a problem . . . . . . . . . . . . . . . . . . . . 6-4 Shut down alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5 Passive alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10 Setback . . . .
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C Appendix Installing an aftercooler (optional) . . . . . . . . . . . . . . . . . . . . . . . . C-1 Cleaning the aftercooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3 D Appendix Installing the flow control (optional) . . . . . . . . . . . . . . . . . . . . . . . D-1 E Appendix Installing a precooler (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . E-1 Cleaning the precooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3 F Appendix Instal
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The MDC control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-12 MDC control functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-12 To start drying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-12 To stop drying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-12 Using the auto start countdown function . . . . . . . . . . . . . . . . . . G-12 Setting the high setpoint limits . . . . . . . . . .
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vi l Table of Contents
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1 Introduction SECTION 1 Introduction Purpose of the user guide . . . . . . . . . . . . . 1-2 How the guide is organized . . . . . . . . . . . . 1-2 Using the D series as a central dryer . . . . . . 1-3 Your responsibilities as a user . . . . . . . . . . 1-3 ATTENTION: Read this so no one gets hurt . . . . . . . . 1-4 How to use the lockout device . . . . . . . . . . 1-5 Introduction l 1-1
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Purpose of the User Guide This User Guide describes the Conair D series of carousel dehumidifying dryers and explains step-by-step how to install, operate, maintain and repair this equipment. Before installing this product, please take a few moments to read the User Guide and review the diagrams and safety information in the instruction packet. You also should review manuals covering associated equipment in your system. This review won’t take long, and it could save you valuable installation and
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1 Introduction Using the D Series as a Central Dryer This manual incorporates the information necessary to use the Conair D series dryer as a central dryer. Throughout this manual, information particular to cen- tral dyer application of the D series dryer is called out by the following treat- ment. This box will contain information or highlight system differ- ences particular to the application of the D series dryer as a central dryer. Central Your Responsibility as a User You must be familiar
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ATTENTION: Read this so no one gets hurt We design equipment with the user’s safety in mind. You can avoid the potential hazards identified on this machine by following the procedures outlined below and elsewhere in the User Guide. WARNING: Improper installation, operation, or servicing may result in equipment damage or personal injury. This equipment should be installed, adjusted, and serviced by qualified technical personnel who are familiar with the construction, operation, and potential haza
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1 Introduction How to Use the Lockout Device CAUTION: Before performing maintenance or repairs on this product, you should disconnect and lockout electri- cal power sources to prevent injury from unexpected energization or start-up. A lockable device has been provid- ed to isolate this product from potentially hazardous electricity. Lockout is the preferred method of isolating machines or equipment from energy sources. Your Conair product is equipped with the lockout device pictured below. To u
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1-6 l Introduction
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2 Description SECTION 2 Description What is the D carousel dryer? . . . . . . . . . . 2-2 Typical applications . . . . . . . . . . . . . . . . . 2-2 How it works. . . . . . . . . . . . . . . . . . . . . . 2-4 Specifications: D dryer . . . . . . . . . . . . . . . 2-6 Description l 2-1
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What is the D Carousel Dryer? The D carousel dehumidifying dryer produces hot, low-dew point air that removes moisture from hygroscopic plastics. The dryer pulls warm, moist air from a drying hopper and pumps it through dehumidifying desiccant. The dryer then heats the air to the drying temperature you selected and circulates it through the material in the hopper. The dryer’s three-tank, closed-loop design ensures a continuous supply of hot, dehumidified air while preventing contamination from m
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2 Description Typical Applications (continued) Central The D carousel dryer can be used successfully in applications that require: • A contamination-free drying environment. Drying temperatures within the ranges shown in the following table: Model Drying Temperature Range Low temperature (with precooler)* 100° - 150°F (38° - 66°C) Standard 150° - 250°F (66° - 121°C) High heat (with aftercooler) 150° - 375°F (66° - 191°C) Low-high (with aftercooler & precooler)* 100° - 375°F (38° - 191°C) Cent
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How It Works The D carousel dryer achieves continuous, closed loop drying by passing air simul- taneously through two heaters and three tanks of molecular sieve desiccant. THE PROCESS (DRYING) CYCLE The process blower pulls moist air from the top of the drying hopper. The air pass- es through the process filter (and optional aftercooler, if installed) into the dryer’s desiccant tank, where moisture is removed. The now dry air moves through the process heater, where it is heated to the drying tem
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2 Description How It Works (continued) 1 6 1 11 PROCESS 10 RTD REGENERATION BLOWER 7 REGENERATION AIR FILTER 9 HIGH TEMP SHUTOFF HIGH TEMP SHUTOFF REGENERATION 4 4 PROCESS HEATER HEATER BOX REGENERATION RTD HOPPER DESICCANT 3 TANKS BEDPLATE 5 9 RETURN AIR FILTER 8 2 RETURN AIR RTD PROCESS PROCESS COOLING BLOWER REGENERATION DRYER OPTIONS 10 ALARM HORN 1 SET BACK TEMPERATURE 4 CURRENT METER 7 PRECOOLER 5 PROCESS FILTER STATUS 8 AFTERCOOLER 11 ALARM LIGHTS 2 PROCESS CFM MONITOR
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Specifications: D Carousel DEHUMIDIFYING DRYERS D Small Series Carousel Dryers MODEL D15 D25 D50 D75 D100 Performance characteristics (with full hopper) Air flow {SCFM}* 12 20 35 50 80 Air flow {ACFM @ 250°}* 16 27 47 67 107 A Drying temperature All models 100 - 375° F {38 - 191° C} with options Dew point All models -40° F {-40° C} Dimensions inches {cm} A - Height 35.5 {90.2} 35.5 {90.2} 35.5 {90.2} 42.1 {107} 42.1 {107} B - Overall width 17.3 {43.9} 17.3 {43.9} 17.3 {43.9} 22.0 {55.9} 22.0
