Nordson MELTEX PG Series Manual Download

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Heated Hoses PG...

1998 Nordson Corporation

45--PG--MA--01 (formerly PG...)

Issued 10/98

P/N 317163B

Overview

Nominal width

see ID-plate

Operating temperature

0 bis 200

32 bis 392

Operating pressure at maximum

operating temperature

14 MPa

140

bar

2030

psi

Operating voltage

230 V

Power consumption per meter

150

Minimum bending radius

150 mm

Temperature sensor

PT 100, mounted in the middle of the hose

Fittings

DKJ 3/4-16 on both ends
UNF tube nut
fitting with 74

cone JIC

bichromated

-hoses longer than 10 m are equipped with a 15-pole angular plug,

shorter ones with a 7-pole round plug. Another version is equipped with a

5-pole angular plug.

Angular plug, 15-pole

Round plug, 7-pole

Angular plug, 5-pole

Temperature sensor

Pin B1 Pin B2

Pin 1

Pin 2

Pin 1

Pin 2

Mains (heating)

Pin A1 Pin A2

Pin 5

Pin 6

Pin 4

Pin 5

Ground wire

Contact plates

Pin 7

1. Overview Table

2. Electrical Connections

Summary of Contents for MELTEX PG Series

Page 1: ...MELTEX Heated Hoses PG Manual P N 317 163 B English NORDSON ENGINEERING GMBH D LÜNEBURG D GERMANY ...

Page 2: ... which is protected by copyright Original copyright date 1997 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 AquaGuard Blue Box Control Coat EquiΖBead FloMelt FoamMelt FoamMix Helix Hot Shot Hot Stitch Meltex...

Page 3: ... 2 Danger of Burns 2 1 Intended Use 3 Unintended Use Examples 3 Residual Risks 3 Chemical Compatibility 3 2 ID plate 4 Explanation of Type Description 4 1 Unpacking 5 2 Installing 5 Minimum bending radius 5 3 Electrical Connection 5 Units with Plugs 5 Units with Fixed Connection 5 Installation Instructions 6 4 Installing Heated Hoses 7 Connecting 7 Disconnecting 7 Relieving pressure 7 Second Open ...

Page 4: ... formerly PG Issued 10 98 TOC_EN_317163B 1 External Cleaning 8 2 Condition Check 8 3 Changing Hot Melt Material Type 9 Flushing with a Cleaning Agent 9 1 Introduction 10 2 Troubleshooting Table 10 1 Overview Table 11 2 Electrical Connections 11 Maintenance Troubleshooting Overview ...

Page 5: ...rotective clothing safety goggles and or heat protective gloves depending on the symbols shown WARNING System or material pressurized Relieve pressure Failure to observe may result in serious burns CAUTION Failure to observe may result in equipment damage Qualified personnel is defined here as individuals who thoroughly understand the equipment and its safe operation maintenance and repair Qualifi...

Page 6: ...nd take time to cool after the unit has been operating S Hot melt material and vapors Contact with hot melt materials or hot areas of the unit may produce a severe skin burn WARNING Hot Risk of burns Wear heat protective clothing safety goggles and or heat protective gloves depending on the symbols shown S Be extremely careful when using hot melt material Even solidified material may still be very...

Page 7: ...e condition S In an explosive atmosphere S To feed substances which are not compatible with the hose core material see Chemical Compatibility The unit is designed to protect operating personnel from possible risks However some residual risks cannot be avoided Personnel must consider the following S Inhalation of potentially hazardous hot melt material vapors S Risk of injury from automatically pos...

Page 8: ... Fig 1 The information is as follows Information Meaning Unit Type Type description P N Article number Ser Serial number U Operating voltage Volt P Power consumption Watt T Maximum operating temperature C Explanation results from an example PG 15 10 K Pt 100 Pt 100 Temperature sensor L Equipment variant here without control lead 10 Nominal width of hose core in mm 15 Nominal length in dm PG Series...

Page 9: ...3 Ensure proper ventilation of covered hoses to avoid overheating Observe minimum bending radius of 150 mm WARNING Disconnect equipment from the line voltage before plugging or unplugging electrical hose connections Observe national installation practice and corresponding safety regulations 1 Switch off the unit s main switch 2 Disconnect power cable and secure against re connection 1 Disconnect a...

Page 10: ...d Hoses PG 6 E 1998 Nordson Corporation All rights reserved 45 PG MA 01 formerly PG Issued 10 98 P N 317163B XXHH005L220A0796 P N 111 940 X 13 mm 0 50 in X P N 271 486 150 mm Fig 3 Installation Instructions ...

Page 11: ...esponding connection socket Do not mistakenly exchange NOTE For units with recirculation hoses do not mistake recirculation hoses for feed hoses 2 Heat the unit and hose to approx 80 _C 176 _F 3 Screw the hose onto the unit Fig 4 NOTE Close unused hose connection fittings with Nordson screw caps WARNING System and hot melt material pressurized Relieve pressure before disconnecting heated hoses Fai...

Page 12: ... lifetime of the unit It should not be neglected under any circumstances WARNING Hot Risk of burns Wear heat protective gloves WARNING Risk of fire Deposits of hot melt or other materials can cause overheating 1 Remove all dust and dirt deposits from the hose 2 Remove all hot melt material residues from the hose and fittings If necessary heat with an air heater until soft 1 Check all hoses and fit...

Page 13: ...mixing is not possible Thoroughly flush the unit with a cleaning agent recommended by the hot melt material supplier NOTE Ensure proper disposal of the old hot melt material according to local regulations CAUTION Only use a cleaning agent recommended by the hot melt material supplier Observe the Material Safety Data Sheet of the cleaning agent Residues of the cleaning agent can be flushed out of t...

Page 14: ... g wiring diagrams and measuring instruments The table does not contain all possible faults only those which typically occur Problem Possible Cause Corrective Action Refer to Hose does not heat at all or not enough Application system is switched off Switch on application system Operating manual of the application system Temperature controller malfunction Check temperature controller replace if nec...

Page 15: ...us 150 mm Temperature sensor PT 100 mounted in the middle of the hose Fittings DKJ 3 4 16 on both ends UNF tube nut fitting with 74 cone JIC bichromated PG hoses longer than 10 m are equipped with a 15 pole angular plug shorter ones with a 7 pole round plug Another version is equipped with a 5 pole angular plug Angular plug 15 pole Round plug 7 pole Angular plug 5 pole Temperature sensor Pin B1 Pi...

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