Related Manuals for Nordson SCH-1
Summary of Contents for Nordson SCH-1
- Page 1 Model SCH-1 Heater Customer Product Manual Part 108 151D NORDSON CORPORATION AMHERST, OHIO USA...
- Page 2 Amherst, OH 44001 Notice This is a Nordson Corporation publication which is protected by copyright. Original copyright date 1991. 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.
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Page 3: Table Of Contents
Heat Limiter Installation ....... . 1999 Nordson Corporation 108 151D... - Page 4 ....10. Model SCH-1 Heater Disassembly Tool Kit ....
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Page 5: Safety
Intended Use Use of Nordson equipment in ways other than those described in the documentation supplied with the equipment may result in injury to persons or damage to property. -
Page 6: Personal Safety
Model SCH-1 Heater Personal Safety To prevent injury follow these instructions. Do not operate or service equipment unless you are qualified. Do not operate equipment unless safety guards, doors, or covers are intact and automatic interlocks are operating properly. Do not bypass or disarm any safety devices. -
Page 7: High-Pressure Fluids
Model SCH-1 Heater High-Pressure Fluids High-pressure fluids, unless they are safely contained, are extremely hazardous. Always relieve fluid pressure before adjusting or servicing high pressure equipment. A jet of high-pressure fluid can cut like a knife and cause serious bodily injury, amputation, or death. Fluids penetrating the skin can also cause toxic poisoning. -
Page 8: Fire Safety
Clean, maintain, test, and repair equipment according to the instructions in your equipment documentation. Use only replacement parts that are designed for use with original equipment. Contact your Nordson representative for parts information and advice. Manual 12-11 108 151D... -
Page 9: Halogenated Hydrocarbon Solvent Hazards
Check your material MSDS or contact your material supplier for more information. If you must use halogenated hydrocarbon solvents, contact your Nordson representative for information about compatible Nordson components. If a system or any equipment in a system malfunctions, shut off the... -
Page 10: Description
Model SCH-1 Heater See Figure 1. The Nordson SCH-1 heater is an electrically operated, 2. Description digitally controlled high-pressure fluid heater designed for use with the Select Coat system. Maximum operating pressure is 241 bar (3500 psi), although the Select Coat system requires much lower operating pressures below 5.9 bar (85 psi). -
Page 11: Theory Of Operation
Model SCH-1 Heater Theory of Operation The following paragraphs describe the operation of the SCH-1 heater. The Heater See Figure 2. Fluid enters the input port and flows into the fluid passage body (2) within the fluid-heating reservoir. The heater cartridge (3) heats the fluid passage body, which is spiral grooved. -
Page 12: Digital Temperature Controller
It is electrically connected to a RTD in the fluid passage body. Refer to Operation for a description of the various LEDs and keys on the temperature controller. Use the following information to install the SCH-1 heater. 3. Installation Mounting WARNING: Allow only qualified personnel to perform the following tasks. - Page 13 Model SCH-1 Heater 1211003A Fig. 3 Heater Wiring 115VAC 60Hz 1 SCH1 SOLID STATE SCH1 HTR. SSR2 RELAY HEATER 115 VAC OPTO22 500 W 120D10 – 100 TO 240VAC 50/60Hz 7VA 20mA 12VDC USED TEMPERATURE CONTROLLER – ALARM 1A 250VAC...
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Page 14: Fluid Lines And Fittings
WARNING: Inspect and maintain fire detection systems and interlocks daily. NOTE: The SCH-1 Heater is primarily used with the Select Coat system. If you are using this heater with another system, contact your Nordson representative for operation procedures. -
Page 15: Pressurizing The System
Model SCH-1 Heater Pressurizing the System WARNING: Do not operate the heater until the fluid delivery system is fully pressurized and circulating. If fluid does not circulate properly, heat can build up and may cause solvents to flash to vapor. This could result in an explosion. -
Page 16: Starting The Heater
Model SCH-1 Heater Pressurizing the System (contd) 2. Set the air regulator to 1.4 bar (20 psi). 3. See the fluid pressure regulator on the front panel to 0.7 bar (10 psi). 4. Move the air directional valve to the forward position. -
Page 17: Digital Temperature Controller
Model SCH-1 Heater Digital Temperature See Figure 7 for an illustration and Refer to Table 1 and description of the digital display. Controller Emergency Fluid Pressure Gun Heat Power Robot Rdy Stop Vent Air Part In Place Door Ajar Fluid Level... -
Page 18: Shutdown
Model SCH-1 Heater Shutdown Follow these steps to shutdown the SCH-1 heater 1. Remove power from the heater 10–15 minutes before shutting down the system by pressing the Heat button on the front panel of the workcell or using the rear-mounted switch on the conveyorized workcell. -
Page 19: Troubleshooting
This section contains troubleshooting procedures. These procedures cover only the most common problems that you may encounter. If you cannot solve the problem with the information given here, contact your local Nordson representative for help. Problem Possible Cause Corrective Action... -
Page 20: Repair
Model SCH-1 Heater The following paragraphs provide procedures for disassembly, repair and 7. Repair assembly of the SCH-1 heater. These procedures should be performed by qualified personnel observing standard safety practices. Heat Limiter WARNING: Remove power, relieve fluid and air pressure, and allow heater to cool down before performing any maintenance. -
Page 21: Heater Cartridge
Model SCH-1 Heater Heater Cartridge WARNING: Remove power, relieve fluid and air pressure, and allow heater to cool down before performing and maintenance. Failure to observe this warning may cause serious injury to personnel and/or damage to equipment. See Figure 2. -
Page 22: Fluid Heating Reservoir
Model SCH-1 Heater Fluid Heating Reservoir WARNING: Remove power, relieve fluid and air pressure, and allow heater to cool down before performing any maintenance. Failure to observe this warning may cause serious injury to personnel and/or damage. Fluid Heating Reservoir Removal See Figure 2. -
Page 23: Fluid Heating Reservoir Installation
Model SCH-1 Heater Fluid Heating Reservoir Installation 1. Install the fluid-heating reservoir to the electrical enclosure. Use Teflon paste on threads to prevent galling. Tighten securely. 2. Make sure the holes for the setscrews are aligned. Back the fluid-heating reservoir out by no more than one turn to align holes. -
Page 24: Fluid Passage Body
Model SCH-1 Heater Fluid Passage Body 1. Remove the retaining rings from the fluid passage body. 2. Place a wooden block on a hard surface. Grasping the reservoir assembly firmly, strike the top of the surface of the fluid passage body against the wood block until the lower O-ring is exposed. -
Page 25: Parts
Model SCH-1 Heater To order parts, call the Nordson Customer Service Center or your local 8. Parts Nordson representative. Use this five-column parts list, and the accompanying illustration, to describe and locate parts correctly. Using the Illustrated Parts Numbers in the Item column correspond to numbers that identify parts in illustrations following each parts list. -
Page 26: Sch-1 Heater Assembly
Model SCH-1 Heater SCH-1 Heater Assembly See Figure 9. Item Part Description Quantity Note — 135 937 Heater, SCH-1, assembly S Heater, 115V, 500 W 130 925 S S Cover, enclosure, NH-4 - - - - - - S S Screw, socket, M8 x 20... - Page 27 Model SCH-1 Heater Item Part Description Quantity Note S S Reservoir fluid heating - - - - - - S S S Fitting, 245 679 , with O-ring S S S S O-ring, hotpaint, 945 017 tube S S S Housing, pressure...
- Page 28 Model SCH-1 Heater SCH-1 Heater Assembly (contd) 1211009A Fig. 9 SCH-1 Heater – Exploded View Manual 12-11 108 151D 1999 Nordson Corporation All rights reserved Issued 8/99...
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Page 29: Heat Limiter Kit
S O-ring, 2.734 x 0.139 945 018 SCH-1 Heater Disassembly Tool Kit Part Description Quantity 135 446 Kit, tool , disassembly, SCH-1 S Stud 245 937 S Sleeve 245 938 S Support 245 939 S Arm 135 462 S Clamp... -
Page 30: Specifications
Model SCH-1 Heater The following lists the technical data for the SCH-1 heater. 9. Specifications Dimensions 13.25 in. H x 6.88 in. W x 9.13 in. D 337 mm H x 175 mm W x 232 mm D Voltage 115 Vac @ 50/60 Hz... -
Page 31: Model Sch-1 Heater Disassembly Tool Kit
Model SCH-1 Heater Use the following procedures for the disassembly tool kit to remove the 10. Model SCH-1 Heater high-pressure housing from the fluid passage body. Disassembly Tool Kit NOTE: You can perform these procedures with the heater in its installed position. -
Page 32: Using The Disassembly Tool Kit
Model SCH-1 Heater Using the Disassembly Tool Kit See Figure 10. Install the hex stud (9) on the base of the fluid passage body and tighten securely. 2. Positional the sleeve (8) on the base of the high-pressure housing. 3. Install the support (4) and the hex nut (7) onto the hex stud. -
Page 33: Cleaning
Model SCH-1 Heater 0210017A Fig. 10 Disassembly Tool Kit 1. Hex screw 6. Bolt 2. Split clamps 7. Hex nut 3. Stud arms 8. Sleeve 4. Support 9. Hex stud 5. Hex nut Cleaning WARNING: Use appropriate respiratory and skin protection when using coating material and solvents. -
Page 34: Assembly
Model SCH-1 Heater Assembly See Figure 10. Follow this procedure to assemble the fluid pressure reservoir. 1. Install a new O-ring at the top of the fluid passage body. 2. Slide the high-pressure housing onto the fluid passage body high enough to provide access to install the lower O-ring.
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