Nordson PURBlue EC User manual

Adhesive Melters
PURBlue ECt
for Reactive Materials
Manual P/N 7135268B
−English −
Issued 08/08
NORDSON ENGINEERING GMBH DLÜNEBURG DGERMANY

P/N 7135268B E2008 Nordson Corporation PURBlue EC
Note
This document is for products with the following P/N:
7126267
7126990
7126991
Order number
P/N = Order number for Nordson products
Notice
This is a Nordson Corporation publication which is protected by copyright. Original copyright date 2007.
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.
E2008 All rights reserved.
Trademarks
AccuJet, AeroCharge, Apogee, AquaGuard, Asymtek, Automove, Autotech, Baitgun, Blue Box, CanWorks, Century, CF, Clean Coat, CleanSleeve,
CleanSpray, Color-on-Demand, ColorMax, Control Coat, Coolwave, Cross-Cut, Dispensejet, DispenseMate, DuraBlue, Durafiber, Dura-Screen,
Durasystem, Easy Coat, Easymove Plus, Ecodry, Econo-Coat, e.dot, e.stylized, EFD, ETI, Excel 2000, Fillmaster, FlexiCoat, Flexi-Spray, Flex-O-Coat,
Flow Sentry, Fluidmove, FoamMelt, FoamMix, HDLV, Heli-flow, Helix, Horizon, Hot Shot, iControl, iFlow, Isocoil, Isocore, Iso-Flo, iTRAX, JR, KB30,
Kinetix, Little Squirt, LogiComm, Magnastatic, March, Maverick, MEG, Meltex, Microcoat, Micromark, MicroSet, Millenium, Mini Squirt, Moist-Cure,
Mountaingate, MultiScan, Nordson, OmniScan, OptiMix, Package of Values, PatternView, PermaFlo, Plasmod, PluraFoam, Porous Coat, PowderGrid,
Powderware, Prism, Printplus, ProBlue, Prodigy, Pro-Flo, ProLink, Pro-Meter, Pro-Stream, RBX, Rhino, Saturn, Scoreguard, 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 Clean, Sure Coat, Sure-Max, Tela-Therm, Tracking Plus, TRAK, Trends, Tribomatic, TrueBlue, Ultra, Ultrasaver, UniScan, UpTime, Vantage,
Veritec, VersaBlue, Versa-Coat, Versa-Screen, Versa-Spray, Walcom, Watermark, When you expect more. are registered trademarks −®−of Nordson
Corporation.
Accubar, Advanced Plasma Systems, AeroDeck, AeroWash, AltaBlue, AquaCure, ATS, Auto-Flo, AutoScan, Best Choice, BetterBook, Blue Series,
Bowtie, Bravura, CanNeck, Celero, Chameleon, Check Mate, ClassicBlue, Classic IX, Controlled Fiberization, Control Weave, CPX, CScan,
Cyclo-Kinetic, DispensLink, DropCure, Dry Cure, DuraBraid, DuraCoat, DuraDrum, DuraPail, E-Nordson, Easy Clean, EasyOn, EasyPW, Eclipse,
Emerald, Equi=Bead, ESP, Exchange Plus, FillEasy, Fill Sentry, FluxPlus, G-Net, G-Site, Get Green With Blue, Gluie, GreenUV, iDry, Ink-Dot,
iON, Iso-Flex, iTrend, KVLP, Lacquer Cure, Lean Cell, Maxima, MicroFin, MicroMax, Mikros, MiniBlue, MiniEdge, Minimeter, Multifil, Myritex,
OptiStroke, Origin, Partnership+Plus, PatternJet, PatternPro, PCI, Pinnacle, PluraMix, Powder Pilot, Powercure, Precise Coat, Primarc, Process Sentry,
Pulse Spray, PurTech, Quad Cure, Ready Coat, Royal Blue, Select Series, Sensomatic, Shaftshield, SheetAire, Signature, Smart, SolidBlue, Spectral, Spectronic,
SpeedKing, Spray Works, Summit, Sure Brand, SureFoam, SureMix, SureSeal, Sure Wrap, Swirl Coat, Tempus, ThruWave, TinyCure, Trade Plus,
UltraMax, Ultrasmart, Universal, ValueMate, Viper, Vista, VersaDrum, VersaPail, WebCure, 2 Rings (Design) are trademarks −T−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
P/N 7135268B
E2008 Nordson Corporation PURBlue EC
Table of Contents
Nordson International O-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Europe O-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Distributors in Eastern & Southern Europe O-1. . . . . . . . . . . . . . . .
Outside Europe / Hors d’Europe / Fuera de Europa O-2. . . . . . . . . . .
Africa / Middle East O-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Asia / Australia / Latin America O-2. . . . . . . . . . . . . . . . . . . . . . . . . .
Japan O-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
North America O-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Alert Symbols 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Responsibilities of the Equipment Owner 1-2. . . . . . . . . . . . . . . . . . . .
Safety Information 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instructions, Requirements, and Standards 1-2. . . . . . . . . . . . . . .
User Qualifications 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applicable Industry Safety Practices 1-4. . . . . . . . . . . . . . . . . . . . . . . .
Intended Use of the Equipment 1-4. . . . . . . . . . . . . . . . . . . . . . . . . .
Instructions and Safety Messages 1-4. . . . . . . . . . . . . . . . . . . . . . .
Installation Practices 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Practices 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance and Repair Practices 1-6. . . . . . . . . . . . . . . . . . . . . . .
Equipment Safety Information 1-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Shutdown 1-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Relieving System Hydraulic Pressure 1-7. . . . . . . . . . . . . . . . . .
De-energizing the System 1-7. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disabling the Guns 1-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Safety Warnings and Cautions 1-9. . . . . . . . . . . . . . . . . . .
Other Safety Precautions 1-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
First Aid 1-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
II
P/N 7135268B E2008 Nordson Corporation PURBlue EC
Introduction 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intended Use 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Area of Use (EMC) 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Restrictions 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unintended Use −Examples −2-1. . . . . . . . . . . . . . . . . . . . . . . . . .
Residual Risks 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Definition of Terms 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inert Gas 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key-to-line 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Melter Description 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illustration −Exterior 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illustration −Interior Components 2-4. . . . . . . . . . . . . . . . . . . . . . . .
Tank Isolation Valve 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Valve Plate 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Valve 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Control Valve 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Plug 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating Plate 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tank 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cable Glands 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Melter Inputs/Outputs 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Cabinet 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ID Plate 2-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transport 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unpacking 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lifting (Unpacked Melter) 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Requirements 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Required Space 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhausting Material Vapors 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Personnel’s Experience 3-3. . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Connections 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Notes 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Observe when Using Residual Current Circuit Breakers 3-4. . . . .
Laying Cable 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Voltage 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External Control/Signal Circuits 3-5. . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supply Connection 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Timer Relay (Inert Gas Interval) 3-6. . . . . . . . . . . . . . . . . . . . .
Installing Melter Inputs and Outputs 3-7. . . . . . . . . . . . . . . . . . . . . . . .
Information on I/O Expansion Board 3-9. . . . . . . . . . . . . . . . . . . . . . . .
Standard Inputs 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Outputs 3-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting Hose 3-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting Electrically 3-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting 3-12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Second Open-jawed Wrench 3-12. . . . . . . . . . . . . . . . . . . . . . . . .
Disconnecting 3-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Relieving Pressure 3-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting Inert Gas 3-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Gun 3-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conditioning Compressed Air for Gun Control Modules 3-15. . . . .
Removing Melter 3-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disposing of Melter 3-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents III
P/N 7135268B
E2008 Nordson Corporation PURBlue EC
Operation 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Initial Startup 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Purging Melter 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling the Tank 4-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Level 4-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Up the Melter 4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Panel −Overview −4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Operating Parameters 4-6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Helpful Information 4-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Saving and Restoring Settings 4-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Saving All Current Settings 4-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Restoring Saved Settings 4-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Saving Multiple Variations of Melter Settings 4-8. . . . . . . . . . . . . .
Daily Startup 4-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daily Switchoff 4-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switching Off in an Emergency 4-10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Monitoring Aids 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LED Ready 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LED Fault 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LED Service Required (Wrench Symbol) 4-11. . . . . . . . . . . . . . . . . .
Resetting Service LED 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LED Pump 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Change History Log 4-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calling Up Change History Log 4-12. . . . . . . . . . . . . . . . . . . . . . . . . .
Structure of Change History Log 4-13. . . . . . . . . . . . . . . . . . . . . . . . .
Example 1 −Parameter Changed 4-13. . . . . . . . . . . . . . . . . . . . .
Example 2 −Setpoint Temperature Changed 4-13. . . . . . . . . . . .
Example 3 −Empty Log Entry 4-13. . . . . . . . . . . . . . . . . . . . . . . .
Entering Password 4-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heated Components 4-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Meaning of LED Colors of Component Keys 4-15. . . . . . . . . . . . . . .
Setpoint Temperature (Original State) 4-15. . . . . . . . . . . . . . . . . . . .
Adjusting Setpoint Temperatures 4-16. . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting Temperatures Using the Global Method 4-16. . . . . . . . . .
Switching Off All Components 4-16. . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting Temperatures Using the
Global-by-component Group Method 4-17. . . . . . . . . . . . . . . . . . . . .
Adjusting Temperature of an Individual Component 4-18. . . . . . . . .
Switching Off Component 4-18. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quick Adjustment −Tips −4-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Helpful Information 4-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Temperatures 4-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Actual Temperature in Normal Mode 4-20. . . . . . . . . . . . .
Checking Setpoint Temperature in Normal Mode 4-20. . . . . . . . . . .
Checking Actual Temperature Manually 4-21. . . . . . . . . . . . . . . . . . .
Helpful Information 4-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
IV
P/N 7135268B E2008 Nordson Corporation PURBlue EC
Functions and Function Keys 4-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standby 4-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Entry/Exit with the Key 4-22. . . . . . . . . . . . . . . . . . . . . . . .
Automatic Exit via Parameter 26 4-22. . . . . . . . . . . . . . . . . . . . . .
Automatic Entry/Exit via the Seven-day Clock 4-22. . . . . . . . . . .
Automatic Entry via External Input 1 4-23. . . . . . . . . . . . . . . . . . .
Entry/Exit via External Input 1 −4 4-23. . . . . . . . . . . . . . . . . . . . .
Helpful Information 4-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump 4-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater 4-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seven-day Clock 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bypassing the Seven-day Clock 4-24. . . . . . . . . . . . . . . . . . . . . . .
Setup 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controls Pump Speed and Purge Mode 4-25. . . . . . . . . . . . . . . . . . . . .
Setting Speed (RPM) 4-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump Speed Display 4-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mode Switch 4-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Purging 4-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Parameter 8 (Automatic Pump On) Enabled
−Original State −4-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Parameter 8 (Automatic Pump On) Disabled 4-26. . . . .
Switching on Pump via the Control Option
Enable/Disable Motor (External Motor Enable) 4-26. . . . . . . . . . . . .
Important when Changing Material 4-27. . . . . . . . . . . . . . . . . . . . . . . . .
Communication via Serial Interface 4-27. . . . . . . . . . . . . . . . . . . . . . . . .
Settings Record 4-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents V
P/N 7135268B
E2008 Nordson Corporation PURBlue EC
Maintenance 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Risk of Burns 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Relieving Pressure 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes on Cardan Joint 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Important when Using Cleaning Agents 5-2. . . . . . . . . . . . . . . . . . . . .
Processing Materials 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preventive Maintenance 5-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External Cleaning 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visual Inspection for External Damage 5-4. . . . . . . . . . . . . . . . . . . . . .
Changing Type of Material 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Purging with Cleaning Agent 5-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Detaching Protective Panels 5-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan and Air Filter 5-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump 5-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking for Leakage 5-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tightening Gland 5-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tightening Fixing Screws 5-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor / Gear Box 5-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Lubricant 5-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricant Selection 5-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Control Valve 5-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing O-rings 5-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Important for Mechanical Pressure Control Valve 5-10. . . . . . . . . .
Measuring Insertion Depth 5-10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting Pressure Control Valve 5-10. . . . . . . . . . . . . . . . . . . . . .
Tank 5-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning Tank by Hand 5-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tilting Tank 5-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Valve Plate 5-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Releasing Safety Valve Plate 5-12. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing O-ring 5-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Plug (O-ring) 5-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing Safety Valve Plate 5-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tank Isolation Valve 5-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing O-rings 5-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Valve 5-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pneumatic Safety Valve 5-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Check 5-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Record Form 5-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
VI
P/N 7135268B E2008 Nordson Corporation PURBlue EC
Troubleshooting 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Helpful Tips 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fault Numbers 6-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F1, F2 and F3 Faults 6-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F4 Fault 6-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Helpful Information 6-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Resetting Melter 6-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fault Log 6-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calling Up Fault Log 6-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Structure of Fault Log 6-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 1 −Undertemperature 6-6. . . . . . . . . . . . . . . . . . . . . . .
Example 2 −Unused Log Entry 6-6. . . . . . . . . . . . . . . . . . . . . . .
Helpful Information 6-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Board Overview 6-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LEDs and Fuses on Main Board 6-8. . . . . . . . . . . . . . . . . . . . . . . . .
LEDs on I/O Expansion Board 6-8. . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Tables 6-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Melter not Functioning 6-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A Heated Component does not Heat 6-9. . . . . . . . . . . . . . . . . . . . .
No Line Speed Signal 6-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Panel does not Function 6-10. . . . . . . . . . . . . . . . . . . . . . . . .
No Inert Gas 6-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
No Material (Motor does not Rotate) 6-11. . . . . . . . . . . . . . . . . . . . .
No Material (Motor Rotating) 6-12. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Too Little Material 6-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Pressure too High 6-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Pressure too Low 6-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Material Residue or Hardened Material in Tank 6-13. . . . . . . . . . . .
Others 6-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LEDs of Motor Controller 6-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Risk of Burns 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Observe Before Performing Repairs 7-1. . . . . . . . . . . . . . . . . . . . . . . .
Relieving Pressure 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes on Cardan Joint 7-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Mark 7-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Pump 7-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Detaching Pump 7-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Attaching Pump 7-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Motor 7-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Safety Valve 7-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Service Kit 7-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Motor Controller 7-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Standard I/O Board of Motor Controller 7-8. . . . . . . . . .
Observe when Performing Work behind
Electrical Equipment Covers 7-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tank 7-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Thermostat 7-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Heater Cartridges 7-10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating Plate 7-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Temperature Sensor 7-10. . . . . . . . . . . . . . . . . . . . . . . . . .
Grid 7-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reservoir 7-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Band Heater 7-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Thermostat and Temperature Sensor 7-12. . . . . . . . . . .
Replacing Pump Speed Display 7-12. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Control Panel (Service Kit) 7-13. . . . . . . . . . . . . . . . . . . . . . .

Table of Contents VII
P/N 7135268B
E2008 Nordson Corporation PURBlue EC
Parts 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How to Use Illustrated Parts List 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Designation 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly Overview 8-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spare Parts, Service Kits and Accessories 8-5. . . . . . . . . . . . . . . . . .
Safety Valve 8-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Pump 8-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Control Valve 8-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inert Gas Equipment 8-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manifold 8-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manifold Accessories 8-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bypass Plate 8-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating Plate 8-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ship-With-Kit 8-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Signs and Tags 8-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Components 8-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additional Service Kits 8-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuses Main Board 8-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Board 8-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expansion Board 8-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel 8-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CPU Board 8-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RTD Sensor 8-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Switches (Thermostats) 8-20. . . . . . . . . . . . . . . . . . . .
Panel Latch 8-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
By-Pack Frequency Converter 8-21. . . . . . . . . . . . . . . . . . . . . . . . . .
Additional Accessory Kits 8-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Casters 8-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories for Pneumatic Connection by the Customer 8-22. . . . . .
Technical Data 9-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Data 9-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperatures 9-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data 9-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Data 9-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Options 10-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Casters 10-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Kit (Accessory) 10-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Instructions Regarding Working with
Application Materials A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Definition of Terms A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manufacturer Information A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Liability A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Risk of Burns A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vapors and Gases A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Substrate A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Processing Temperature A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Important Note for Polyurethane Materials (PUR) A-2. . . . . . . . . . . .

Table of Contents
VIII
P/N 7135268B E2008 Nordson Corporation PURBlue EC
Operating Parameters B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameter Groups - Overview - B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Restore Melter Default Settings B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Original State B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard B-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Setup B-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Inputs B-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Inputs B-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Setup B-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Outputs B-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Outputs B-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seven-day Clock B-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Internal Clock (Realtime Clock) B-16. . . . . . . . . . . . . . . . . . .
Creating Schedule B-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 1 B-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 2 B-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 3 B-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer for Automatic Filling B-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output (Control Option 3): Reversal of Fault Logic B-23. . . . . . . . . . . .
PID Selection B-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Melter Communication C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Software Availability C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Requirements C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Software C-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing the Software from your PC C-3. . . . . . . . . . . . . . . . . . . .
Linking PC and Melter C-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using Nordson Configuration Manager C-4. . . . . . . . . . . . . . . . . . . . . .
Saving Melter Settings C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Restoring Melter Settings C-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Upgrading or Restoring Melter Firmware C-6. . . . . . . . . . . . . . . . . .
Troubleshooting C-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

O-1Introduction
E2007 Nordson Corporation
All rights reserved NI_EN_M-0307
Nordson International
http://www.nordson.com/Directory
Country Phone Fax
Europe
Austria 43-1-707 5521 43-1-707 5517
Belgium 31-13-511 8700 31-13-511 3995
Czech Republic 4205-4159 2411 4205-4124 4971
Denmark Hot Melt 45-43-66 0123 45-43-64 1101
Finishing 45-43-200 300 45-43-430 359
Finland 358-9-530 8080 358-9-530 80850
France 33-1-6412 1400 33-1-6412 1401
Germany Erkrath 49-211-92050 49-211-254 658
Lüneburg 49-4131-8940 49-4131-894 149
Nordson UV 49-211-9205528 49-211-9252148
EFD 49-6238 920972 49-6238 920973
Italy 39-02-904 691 39-02-9078 2485
Netherlands 31-13-511 8700 31-13-511 3995
Norway Hot Melt 47-23 03 6160 47-23 68 3636
Poland 48-22-836 4495 48-22-836 7042
Portugal 351-22-961 9400 351-22-961 9409
Russia 7-812-718 62 63 7-812-718 62 63
Slovak Republic 4205-4159 2411 4205-4124 4971
Spain 34-96-313 2090 34-96-313 2244
Sweden 46-40−680 1700 46-40-932 882
Switzerland 41-61-411 3838 41-61-411 3818
United
Kingdom
Hot Melt 44-1844-26 4500 44-1844-21 5358
Kingdom Finishing 44-161-495 4200 44-161-428 6716
Nordson UV 44-1753-558 000 44-1753-558 100
Distributors in Eastern & Southern Europe
DED, Germany 49-211-92050 49-211-254 658

O-2 Introduction
E2007 Nordson Corporation
All rights reserved
NI_EN_M−0307
Outside Europe / Hors d’Europe / Fuera de Europa
SFor your nearest Nordson office outside Europe, contact the Nordson
offices below for detailed information.
SPour toutes informations sur représentations de Nordson dans votre
pays, veuillez contacter l’un de bureaux ci-dessous.
SPara obtener la dirección de la oficina correspondiente, por favor
diríjase a unas de las oficinas principales que siguen abajo.
Contact Nordson Phone Fax
Africa / Middle East
DED, Germany 49-211-92050 49-211-254 658
Asia / Australia / Latin America
Pacific South Division,
USA
1-440-685-4797 −
Japan
Japan 81-3-5762 2700 81-3-5762 2701
North America
Canada 1-905-475 6730 1-905-475 8821
USA Hot Melt 1-770-497 3400 1-770-497 3500
Finishing 1-880-433 9319 1-888-229 4580
Nordson UV 1-440-985 4592 1-440-985 4593

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Section 1
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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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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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

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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 (if available) 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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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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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 or factory-authorized refurbished 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.

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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.
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.

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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.