Nordson DH User manual

NORDSON CORPORATION DDAWSONVILLE, GEORGIA DUSA
www.nordson.com
DH Air Heater
Customer Product Manual
Part 1042733B
Issued 11/04

E2004 Nordson Corporation
All rights reserved
Part 1042733B
Nordson Corporation welcomes requests for information, comments and inquiries about its products.
General information about Nordson can be found on the Internet using the following address:
http://www.nordson.com.
Address all correspondence to:
Nordson Corporation
Attn: Nonwovens Marketing Department
12 Nordson Drive
Dawsonville, GA 30534
Notice
This is a Nordson Corporation publication which is protected by copyright. Original copyright date 2003.
No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of
Nordson Corporation. The information contained in this publication is subject to change without notice.
Trademarks
AccuJet, AeroCharge, AquaGuard, Asymtek, Automove, Autotech, Baitgun, Blue Box, CanWorks, Century, CF, Clean Coat, CleanSleeve, CleanSpray,
ColorMax, Control Coat, Coolwave, Cross Cut, Cyclo-Kinetic, Dispensejet, DispenseMate, DuraBlue, Durafiber, Durasystem, Easy Coat, Easymove Plus,
Econo-Coat, e.DOT, EFD, ETI, Excel 2000, Fillmaster, FlexiCoat, Flexi-Spray, Flex-O-Coat, Flow Sentry, Fluidmove, FoamMelt, FoamMix, Heli-flow, Helix,
Horizon, Hot Shot, iControl, Isocoil, Isocore, Iso-Flo, JR, KB30, Kinetix, Little Squirt, Magnastatic, March, MEG, Meltex, Microcoat, Micromark, MicroSet,
Millennium, Mini Squirt, Moist-Cure, Mountaingate, MultiScan, Nordson, OmniScan, OptiMix, Package of Values, PatternView, PermaFlo, Plasmod,
PluraFoam, Porous Coat, PowderGrid, Powderware, Prism, ProBlue, Pro-Flo, ProLink, Pro-Meter, Pro-Stream, RBX, Rhino, Saturn, SC5, S. design stylized,
Seal Sentry, Select Charge, Select Coat, Select Cure, Slautterback, Smart-Coat, Solder Plus, Spectrum, Speed-Coat, Spraymelt, Spray Squirt,
Super Squirt, SureBead, Sure Coat, Sure-Max, Tela-Therm, Tracking Plus, Trends, Tribomatic, Ultrasaver, UniScan, UpTime, Veritec, VersaBlue,
Versa-Coat, Versa-Screen, Versa-Spray, Walcom, Watermark, and When you expect more. are registered trademarks of Nordson Corporation.
Accubar, Advanced Plasma Systems, AeroDeck, AeroWash, Apogee, AquaCure, ATS, Auto-Flo, AutoScan, BetterBook, Celero, Chameleon, Check Mate,
Controlled Fiberization, Control Weave, CPX, DispensLink, Dry Cure, DuraBraid, DuraCoat, DuraPail, Dura-Screen, Easy Clean, Eclipse, EcoDry,
E-Nordson, Equi=Bead, ESP, e Stylized, Exchange Plus, Fill Sentry, Gluie, HDLV, iFlow, iON, Iso-Flex, iTrend, iTRAX, KVLP, Lacquer Cure, Lean Cell,
Maxima, MicroFin, MicroMax, Minimeter, Multifil, OptiStroke, Origin, PatternPro, PCI, PluraMix, Powder Pilot, Powercure, Primarc, Printplus, Process Sentry,
Pulse Spray, PurTech, QuadCure, Ready Coat, Royal Blue, Scoreguard, Select Series, Sensomatic, Shaftshield, SheetAire, Spectral, Spectronic,
Speedking, Spray Works, Summit, Sure Brand, Sure Clean, SureWrap, Swirl Coat, Tempus, ThruWave, Trade Plus, Trak, TrueBlue, Ultra, Ultrasmart,
Universal, Vantage, Viper, Vista, Web Cure, and 2 Rings (Design) are trademarks of Nordson Corporation.
Designations and trademarks stated in this document may be brands that, when used by third parties for their own purposes,
could lead to violation of the owners’ rights.

Table of Contents i
Part 1042733B
E2004 Nordson Corporation
Table of Contents
Safety 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Alert Symbols 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Responsibilities of the Equipment Owner 2. . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Information 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instructions, Requirements, and Standards 2. . . . . . . . . . . . . . . . . . . . . .
User Qualifications 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applicable Industry Safety Practices 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intended Use of the Equipment 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instructions and Safety Messages 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Practices 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Practices 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance and Repair Practices 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Safety Information 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Shutdown 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Safety Warnings and Cautions 6. . . . . . . . . . . . . . . . . . . . . . . . .
Other Safety Precautions 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
First Aid 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Labels and Tags 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Heater Mounting 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Connection 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pneumatic Connections 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Check 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shutdown 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater Replacement 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remove the Heater 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install the Heater 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sensor Replacement 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remove the Sensor 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install the Sensor 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
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Part 1042733B E2004 Nordson Corporation
Parts 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Heater Parts 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Body Assembly Parts 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cordset Pin Positions 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DH Air Heater 1
Part 1042733B
E2004 Nordson Corporation
DH Air Heater
WARNING: Allow only personnel with appropriate training and experience
to operate or service the equipment. The use of untrained or inexperienced
personnel to operate or service the equipment can result in injury, including
death, to themselves and others, and damage to the equipment.
Safety
Read this section before using the equipment. This section contains
recommendations and practices applicable to the safe installation,
operation, and maintenance (hereafter referred to as “use”) of the product
described in this document (hereafter referred to as “equipment”). Additional
safety information, in the form of task-specific safety alert messages,
appears as appropriate throughout this document.
WARNING: Failure to follow the safety messages, recommendations, and
hazard avoidance procedures provided in this document can result in
personal injury, including death, or damage to equipment or property.
Safety Alert Symbols
The following safety alert symbol and signal words are used throughout this
document to alert the reader to personal safety hazards or to identify
conditions that may result in damage to equipment or property. Comply with
all safety information that follows the signal word.
WARNING: Indicates a potentially hazardous situation that, if not avoided,
can result in serious personal injury, including death.
CAUTION: Indicates a potentially hazardous situation that, if not avoided,
can result in minor or moderate personal injury.
CAUTION: (Used without the safety alert symbol) Indicates a potentially
hazardous situation that, if not avoided, can result in damage to equipment
or property.

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Part 1042733B E2004 Nordson Corporation
Responsibilities of the Equipment Owner
Equipment owners are responsible for managing safety information,
ensuring that all instructions and regulatory requirements for use of the
equipment are met, and for qualifying all potential users.
Safety Information
SResearch and evaluate safety information from all applicable sources,
including the owner-specific safety policy, best industry practices,
governing regulations, material manufacturer’s product information, and
this document.
SMake safety information available to equipment users in accordance
with governing regulations. Contact the authority having jurisdiction for
information.
SMaintain safety information, including the safety labels affixed to the
equipment, in readable condition.
Instructions, Requirements, and Standards
SEnsure that the equipment is used in accordance with the information
provided in this document, governing codes and regulations, and best
industry practices.
SIf applicable, receive approval from your facility’s engineering or safety
department, or other similar function within your organization, before
installing or operating the equipment for the first time.
SProvide appropriate emergency and first aid equipment.
SConduct safety inspections to ensure required practices are being
followed.
SRe-evaluate safety practices and procedures whenever changes are
made to the process or equipment.

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Part 1042733B
E2004 Nordson Corporation
User Qualifications
Equipment owners are responsible for ensuring that users:
Sreceive safety training appropriate to their job function as directed by
governing regulations and best industry practices
Sare familiar with the equipment owner’s safety and accident
prevention policies and procedures
Sreceive, equipment- and task-specific training from another qualified
individual
NOTE: Nordson can provide equipment-specific installation,
operation, and maintenance training. Contact your Nordson
representative for information
Spossess industry- and trade-specific skills and a level of experience
appropriate to their job function
Sare physically capable of performing their job function and are not
under the influence of any substance that degrades their mental
capacity or physical capabilities
Applicable Industry Safety Practices
The following safety practices apply to the use of the equipment in the
manner described in this document. The information provided here is not
meant to include all possible safety practices, but represents the best safety
practices for equipment of similar hazard potential used in similar industries.
Intended Use of the Equipment
SUse the equipment only for the purposes described and within the limits
specified in this document.
SDo not modify the equipment.
SDo not use incompatible materials or unapproved auxiliary devices.
Contact your Nordson representative if you have any questions on
material compatibility or the use of non-standard auxiliary devices.
Instructions and Safety Messages
SRead and follow the instructions provided in this document and other
referenced documents.
SFamiliarize yourself with the location and meaning of the safety warning
labels and tags affixed to the equipment. Refer to Safety Labels and
Tags at the end of this section.
SIf you are unsure of how to use the equipment, contact your Nordson
representative for assistance.

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Part 1042733B E2004 Nordson Corporation
Installation Practices
SInstall the equipment in accordance with the instructions provided in this
document and in the documentation provided with auxiliary devices.
SEnsure that the equipment is rated for the environment in which it will be
used and that the processing characteristics of the material will not
create a hazardous environment. Refer to the Material Safety Data
Sheet (MSDS) for the material.
SIf the required installation configuration does not match the installation
instructions, contact your Nordson representative for assistance.
SPosition the equipment for safe operation. Observe the requirements for
clearance between the equipment and other objects.
SInstall lockable power disconnects to isolate the equipment and all
independently powered auxiliary devices from their power sources.
SProperly ground all equipment. Contact your local building code
enforcement agency for specific requirements.
SEnsure that fuses of the correct type and rating are installed in fused
equipment.
SContact the authority having jurisdiction to determine the requirement for
installation permits or inspections.
Operating Practices
SFamiliarize yourself with the location and operation of all safety devices
and indicators.
SConfirm that the equipment, including all safety devices (guards,
interlocks, etc.), is in good working order and that the required
environmental conditions exist.
SUse the personal protective equipment (PPE) specified for each task.
Refer to Equipment Safety Information or the material manufacturer’s
instructions and MSDS for PPE requirements.
SDo not use equipment that is malfunctioning or shows signs of a
potential malfunction.

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Part 1042733B
E2004 Nordson Corporation
Maintenance and Repair Practices
SPerform scheduled maintenance activities at the intervals described in
this document.
SRelieve system hydraulic and pneumatic pressure before servicing the
equipment.
SDe-energize the equipment and all auxiliary devices before servicing the
equipment.
SUse only new factory-authorized refurbished or replacement parts.
SRead and comply with the manufacturer’s instructions and the MSDS
supplied with equipment cleaning compounds.
NOTE: MSDSs for cleaning compounds that are sold by Nordson are
available at www.nordson.com or by calling your Nordson
representative.
SConfirm the correct operation of all safety devices before placing the
equipment back into operation.
SDispose of waste cleaning compounds and residual process materials
according to governing regulations. Refer to the applicable MSDS or
contact the authority having jurisdiction for information.
SKeep equipment safety warning labels clean. Replace worn or damaged
labels.
Equipment Safety Information
This equipment safety information is applicable to the following types of
Nordson equipment:
Shot melt and cold adhesive application equipment and all related
accessories
Spattern controllers, timers, detection and verification systems, and all
other optional process control devices
Equipment Shutdown
To safely complete many of the procedures described in this document, the
equipment must first be shut down. The level of shut down required varies
by the type of equipment in use and the procedure being completed.
If required, shut down instructions are specified at the start of the
procedure. The levels of shut down are:
Relieving System Hydraulic Pressure
Completely relieve system hydraulic pressure before breaking any hydraulic
connection or seal. Refer to the melter-specific product manual for
instructions on relieving system hydraulic pressure.

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Part 1042733B E2004 Nordson Corporation
De-energizing the System
Isolate the system (melter, hoses, guns, and optional devices) from all
power sources before accessing any unprotected high-voltage wiring or
connection point.
1. Turn off the equipment and all auxiliary devices connected to the
equipment (system).
2. To prevent the equipment from being accidentally energized, lock and
tag the disconnect switch(es) or circuit breaker(s) that provide input
electrical power to the equipment and optional devices.
NOTE: Government regulations and industry standards dictate specific
requirements for the isolation of hazardous energy sources. Refer to the
appropriate regulation or standard.
Disabling the Guns
All electrical or mechanical devices that provide an activation signal to the
guns, gun solenoid valve(s), or the melter pump must be disabled before
work can be performed on or around a gun that is connected to a
pressurized system.
1. Turn off or disconnect the gun triggering device (pattern controller, timer,
PLC, etc.).
2. Disconnect the input signal wiring to the gun solenoid valve(s).
3. Reduce the air pressure to the gun solenoid valve(s) to zero; then
relieve the residual air pressure between the regulator and the gun.
General Safety Warnings and Cautions
Table 1 contains the general safety warnings and cautions that apply to
Nordson hot melt and cold adhesive equipment. Review the table and
carefully read all of the warnings or cautions that apply to the type of
equipment described in this manual.
Equipment types are designated in Table 1 as follows:
HM = Hot melt (melters, hoses, guns, etc.)
PC = Process control
CA = Cold adhesive (dispensing pumps, pressurized container, and
guns)