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15, 30, & 60 cfm 

Compact Dehumidifying Dryers 

 
 
 
 
 
 
 
 
 
 

Part Number: 882.00291.00 

Bulletin Number: DH1-635.3 

Effective: 08-23-07 

 
 
 
 
 
 
 
 
 
 

 

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 dimensions described in this manual are subject to change without notice. 
 
DCN No. ____________ 
© Copyright 2008 

Summary of Contents for 882.00291.00

Page 1: ...rence _________________________ _________________________ _________________________ _________________________ _________________________ _________________________ We are committed to a continuing progr...

Page 2: ...he claim by referring to the agent s report A certified copy of our invoice is available upon request The original Bill of Lading is attached to our original invoice If the shipment was prepaid write...

Page 3: ...ipment 14 3 2 Rigging and Placing the Dryer 14 3 3 Electrical Connections 16 3 4 Setup Procedures 17 Checking for Proper Blower Rotation 17 Making Dryer Drying Hopper Process Air Connections 17 Drying...

Page 4: ...lters 30 Servicing the Dew Point Monitor 31 5 3 Corrective Maintenance 31 Symptoms of Worn Desiccant 31 Replacing Worn Desiccant 32 Replacing the Process Regeneration Heater 34 Replacing Cleaning the...

Page 5: ...ion to information for operating the dryer safely and efficiently The Maintenance chapter is intended to serve as a source of detailed assembly and disassembly instructions for those areas of the equi...

Page 6: ...actices Read and follow these operation and installation instructions when installing operating and maintaining this equipment If these instructions become damaged or unreadable additional copies are...

Page 7: ...s vicinity Each individual must take responsibility for observing the prescribed safety rules as outlined All warning and danger signs must be observed and obeyed All actual or potential danger areas...

Page 8: ...e it is running Before you start the dryer check the following Remove all tools from the dryer Be sure no objects tools nuts bolts clamps bars are laying in the hopper area If your dryer has been inop...

Page 9: ...fork trucks overhead cranes be sure the load does not exceed the capacity of the handling equipment or cause it to become unstable Carefully test the condition of lifting cables chains ropes slings an...

Page 10: ...rying hopper for more moisture removal Portion of the low dew point process air is directed to the desiccant tank that is off process This air is heated to approximately 450 F 232 C before entering th...

Page 11: ...cess blower Drying temperature range of 180 F to 230 F 82 C to 110 C 2 5 hose connections Electrical Features Process thermocouple to be connected to drying hopper air inlet Nema 12 control enclosure...

Page 12: ...n back of dryer Drawer magnet stainless steel construction Casters two 2 fixed and two 2 swivels Machine mount adapter to accommodate a dryer and corresponding hopper Low temperature operation below 1...

Page 13: ...the safety circuit At no time should the safety device fail and allow the operation to continue For example if a safety switch is guarding a motor and the safety switch fails the motor should not be...

Page 14: ...d Placing the Dryer Take care when rigging and placing the dryer Figures 1 2 and 3 on the following pages show a suggested safe rigging diagram It lets you lift the dryer hopper unit vertically for in...

Page 15: ...ing 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 Note Floor Mounted...

Page 16: ...requirements The serial tag lists voltage phase and amp draw information Line voltage must be within plus or minus ten percent 10 of the voltage listed on the serial tag or damage may occur Phase imba...

Page 17: ...the disconnect terminal in the control enclosure This assures that the blower rotates in the proper direction Making Dryer Drying Hopper Process Air Connections Floor Mount Models When making process...

Page 18: ...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 ope...

Page 19: ...g OFF 2 Press UP arrow to change the setting to ON 3 Press the Level Key again to the Temperature Screen Your actual temperature will start to flash for about 10 20 minutes with the temperature fluctu...

Page 20: ...s control power to the indicator panel and starts the dryer The controller cannot be energized without the dryer running Indicator Lights Alarm Light This feature warns the operator of a high bed safe...

Page 21: ...roprocessor based PID temperature controller for maintaining process air temperature The controller is a modular self contained unit you can remove from the mounting housing All parameters except for...

Page 22: ...rocess heaters to be energized OUT2 Out 2 LED Lit when Control Output 2 is on Not used in this application AT AT LED Flashes during auto tuning in process value PV screen Indicator Name Description AL...

Page 23: ...om being accidentally changed Below is an explanation of the operating modes you will have access to and on the following page are the manufacturers default settings Available E5CN Modes Operation Lev...

Page 24: ...lity to correct for a future error in the previously set process output Entering Operating Parameters to Select Modes To enter the display 1 Press the Mode Display key to view the Run Stop Alarm 1 Mod...

Page 25: ...isplaying dew point air temperature The controller is a modular self contained unit removable from the mounting housing All parameters are factory set and adjusted normally no field adjustment to the...

Page 26: ...valve motor sequence Note The relay screen which contains the Alarm Display Messages is located inside the controller enclosure For a list of Alarm Display Messages see Page 32 WARNING Do not attempt...

Page 27: ...ortion of the regeneration sequence the regen heaters are disabled by the programmable relay and the COOL time begins 9 Once the Cool time has expired the valve motor is turned on until the cam switch...

Page 28: ...e 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 V...

Page 29: ...By Date By Check to make sure that all hose connections are air tight Every month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Lock out electrical power and inspect electrical wiring for integrity...

Page 30: ...gular filter cleaning is essential to keep your dryer operating at peak efficiency You can blow or vacuum the dirt out of the filter with compressed air but remember it could become damaged from high...

Page 31: ...mination 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...

Page 32: ...siccant beds are sufficiently cool before replacing worn desiccant To access the Desiccant Bed 1 Disconnect electrical power to the dryer 2 Using a 1 8 Allen wrench remove the 10 24 button head screws...

Page 33: ...mounts Table below Tap on side of tank to settle desiccant Smooth the top level and finally add another layer of the remaining bead desiccant to the top Make sure this layer is level and smooth 13 Rep...

Page 34: ...esent Disconnect and lock out power before you replace heater elements Figure 12 Process Regeneration Heater Location and Disassembly Procedures 1 Disconnect electrical power to the dryer 2 Using a 1...

Page 35: ...her Hot spots lead to premature heater failure Replacing Cleaning the Cooling Coil Figure 13 Cooling Coil Location and Disassembly To clean the cooling coil use compressed air or a steam cleaner to bl...

Page 36: ...nd 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 Inset the...

Page 37: ...iously damaged component without actually locating the real cause of the trouble Such hasty substitutions will only destroy the new component Refer to wiring diagrams and schematics Locating mechanica...

Page 38: ...is not detecting pressure Check the blower fusing or the blower motor Make sure the wire and hose connections are correct Dryer Shuts down Process blower OFF Process heaters OFF Regen heaters OFF Ala...

Page 39: ...wiring of the switch against the wiring diagram Make sure all the wire connections are tight Limit switch may be faulty Replace the switch and make sure the wires are connected correctly Dryer Shuts...

Page 40: ...ection is supplied in the dryer but additional protection should be supplied by the user 14 The door mounted disconnect serves as the electrical disconnect device 15 Dryer is not equipped with local l...

Page 41: ...g water temp F C 85 F 50 F If used as Plasticizer trap 29 C 10 C If used as Plasticizer trap 7 2 Drawings and Diagrams Figure 14 Standard Model 180 F to 230 F Air Flow Schematic Drying Hopper Filter H...

Page 42: ...chematic Figure 16 Low Heat Model 120 F to 250 F Air Flow Drying Hopper Filter High Pressure Peripheral Blower Regeneration Make Up Air Moisture Exhaust Cooler Drying Hopper Filter High Pressure Perip...

Page 43: ...0 A0570287 1000 Watts Heater element 115 Volts 0 2 0 A0570288 1000 Watts Heater Element 208 220 Volts 0 2 2 0 A0570289 1000 Watts Heater Element 230 Volts 0 2 0 A0570290 1000 Watts Heater Element 400...

Page 44: ...FUSE XFMR SECONDARY FNM 3 5 31 1 A0558201 TRANSFORMER 208 230 460X120 PSF 32 2 A0536898 FUSE XFMR PRIMARY FNQ R 2 5 400VAC 3 24 1 A0571675 COMMON PARTS 3 POWER 28 1 A0540975 FUSE XFMR SECONDARY FNM 3...

Page 45: ...A 120VAC COIL 41 1 A0558079 RELAY OVERLOAD IEC 1 2 9A 220VAC 3 24 1 A0571675 COMMON PARTS 3 POWER 28 1 A0568940 FUSE XFMR SECONDARY FNM 1 25 31 1 A0558199 TRANSFORMER 208 230 460X120 PSF 32 2 725 0075...

Page 46: ...3 24 1 A0571675 COMMON PARTS 3 POWER 28 1 A0568940 FUSE XFMR SECONDARY FNM 1 25 31 1 A0558199 TRANSFORMER 208 230 460X120 PSF 32 2 A0536892 FUSE XFMR PRIMARY FNQ R 1 25 40 1 A0558000 CONTACTOR IEC 9A...

Page 47: ...3 A0534047 FUSE HEATERS KTK R 12 460VAC 3 HIGH HEAT 33 3 A0534048 FUSE HEATERS KTK R 15 575VAC 3 LOW HEAT 33 3 A0534046 FUSE HEATERS KTK R 10 575VAC 3 HIGH HEAT 33 3 A0534047 FUSE HEATERS KTK R 12 A05...

Page 48: ...17 1 A0571684 ELECTRICAL 120VAC CONTROL SCHEMATIC 18 1 A0552373 TERM 12 22 AWG GND A0571675 3 COMMON PARTS ITEM QTY PART DESCRIPTION 25 1 A0566841 GRAPHIC ASD CONTROL 3 26 1 A057172 COMMON PARTS 120V...

Page 49: ...y the manufacturer A RMA number will be assigned for the equipment to be returned Reason for requesting the return must be given All returns are to be shipped prepaid The invoice number and date or pu...

Page 50: ...eeds and is dedicated to providing excellent customer service Service Department Call toll free 8am 5pm CST 800 423 3183 or call 262 641 8610 Emergencies after 5pm CST call 847 439 5655 We have a qual...

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