Nordson SCH-1 Page 26 Product Manual Download

Page: 26 / 34

Model SCH-1 Heater

1999 Nordson Corporation

108 151D

Issued 8/99

Manual 12-11

See Figure 9.

Item

Part

Description

Quantity

Note

—

135 937

Heater, SCH-1, assembly

130 925

Heater, 115V, 500 W

- - - - - -

S S

Cover, enclosure, NH-4

982 006

S S

Screw, socket, M8 x 20

983 150

S S

Washer, lock, E, split,

982 005

S S

Screw, chez head, slot, M4 x 10

983 111

S S

Washer, lock, E, split, #8

983 402

S S

Washer, flat, M, narrow, M4

933 232

S S

Block, terminal, end

933 233

S S

Block, terminal, contact

983 152

S S

Washer, lock, E, internal,

245 574

S S

Retainer, wire

- - - - - -

S S

Stud, ground

245 582

S S

Plug, enclosure, electrical

245 581

S S

Washer, retaining

973 442

S S

Plug, pipe, socket, flush,

240 976

S S

Clamp, ground with wire

Continued on next page

SCH-1 Heater Assembly

Summary of Contents for SCH-1

Page 1: ...Model SCH 1 Heater Customer Product Manual Part 108 151D NORDSON CORPORATION D AMHERST OHIO D USA ...

Page 2: ... 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 Blue Box Can Works Century CleanSleeve CleanSpray Control Coat Cross Cut Easy Coat Econo Coat Excel 2000 Flow Sentry FoamMix Horizon Hot Shot Isocoil Isocore Iso Flo MEG Nordson the Nordson logo Package of Values Po...

Page 3: ...carbon Solvent Hazards 5 Action in the Event of a Malfunction 5 Disposal 5 2 Description 6 Theory of Operation 7 The Heater 7 Digital Temperature Controller 8 3 Installation 8 Mounting 8 Electrical 8 Fluid Lines and Fittings 10 4 Operation 10 Start Up 10 Pressurizing the System 11 Starting the Heater 12 Digital Temperature Controller 13 Shutdown 14 5 Maintenance 14 6 Troubleshooting 15 7 Repair 16...

Page 4: ...ody 20 Fluid Passage Body Installation 20 8 Parts 21 Using the Illustrated Parts List 21 SCH 1 Heater Assembly 22 Heat Limiter Kit 25 Heater Seal Kit 25 SCH 1 Heater Disassembly Tool Kit 25 9 Specifications 26 Dimensions 26 Voltage 26 Watts 26 Amperes 26 Maximum Operating Pressure 26 Hose Fitting Size inlet outlet 26 Heating Capacity 26 Temperature Range Minimum Maximum 26 10 Model SCH 1 Heater Di...

Page 5: ...iliar with all relevant safety rules and regulations and are physically capable of performing their assigned tasks 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 Some examples of unintended use of equipment include S using incompatible materials S making unauthorized modifications S ...

Page 6: ...electrical equipment S While operating manual spray guns make sure you are grounded Wear electrically conductive gloves or a grounding strap connected to the gun handle or other true earth ground Do not wear or carry metallic objects such as jewelry or tools S If you receive even a slight electrical shock shut down all electrical or electrostatic equipment immediately Do not restart the equipment ...

Page 7: ...e doctor that you suspect an injection injury S Show him this card S Tell him what kind of material you were spraying MEDICAL ALERT AIRLESS SPRAY WOUNDS NOTE TO PHYSICIAN Injection in the skin is a serious traumatic injury It is important to treat the injury surgically as soon as possible Do not delay treatment to research toxicity Toxicity is a concern with some exotic coatings injected directly ...

Page 8: ...ing and limiting devices are working properly S Provide adequate ventilation to prevent dangerous concentrations of volatile particles or vapors Refer to local codes or your material MSDS for guidance S Do not disconnect live electrical circuits while working with flammable materials Shut off power at a disconnect switch first to prevent sparking S Know where emergency stop buttons shutoff valves ...

Page 9: ...Br Bromo Iodine I Iodo 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 system immediately and perform the following steps S Disconnect and lock out system electrica...

Page 10: ...he standard SCH 1 heater has an electroless nickel plated brass reservoir and fluid passage body 4 The heater is mounted at the back of the workcell near the fluid pump and consists of an electrical enclosure 5 and a fluid heating reservoir A platinum RTD is used to provide temperature feedback from the fluid passage body to an adjustable digital temperature controller at the front of the workcell...

Page 11: ...ral groove it is heated and exits the fluid passage body through the outlet port 1211002A 5 4 2 3 1 Fig 2 SCH 1 Heater Cutaway 1 RTD sensor 2 Fluid passage body 3 Heater cartridge 4 High pressure housing 5 Heat limiter The temperature is controller by the digital controller acting on feedback from the RTD sensor 1 If the temperature controller fails it will shut itself and the heater down If the R...

Page 12: ...s in this document and all other related documentation Make sure the heater is securely mounted in an upright vertical position on the workcell WARNING Prevent electrical shock during installation or servicing by installing a power isolation device such as a breaker or disconnect in the service line ahead of the heater 1 See Figure 3 Route the supply wiring into the electrical enclosure and connec...

Page 13: ...211003A Fig 3 Heater Wiring 1211004A ALARM 50 60Hz 7VA 100 TO 240VAC 1A 250VAC RELAY SOLID STATE PLATINUM RTD B 2 7 3 OPTO22 120D10 USED NOT A 6 1 4 9 12VDC 20mA B 3 8 PUT OUT 4 2 SSR2 115VAC 60Hz 1 L1 L2 500 W 115 VAC HTR SCH1 TEMPERATURE CONTROLLER 5 10 L1 HEATER SCH1 L2 1 Fig 4 Heater Wiring Diagram ...

Page 14: ...ors should read all related component manuals that make up the system and be familiar with safety precautions and operating characteristics of each component A thorough understanding of the system operation will help obtain desired results and aid in troubleshooting Refer to Safety for additional safety precautions WARNING Make sure all equipment in the coating area is properly grounded Periodical...

Page 15: ...very Systems manual for additional information on operating the fluid delivery system 1 See Figures 5 and 6 Pressurize the fluid delivery system by pressing the upper Air button on the front panel of the workcell or the Start button on the front panel of the conveyorized workcell 1211005A Fluid Pressure Robot Rdy Vent Air Part In Place Door Ajar Fluid Level Option 1 Option 2 Power Air Gun Heat Eme...

Page 16: ... of fluid and purged of air 5 Turn the three way dump valve to the horizontal position to stop the material flow to the fluid reservoir 6 Turn the three way recirculation valve so it is pointing to the left This will circulate the material to the gear pump Starting the Heater WARNING Before applying power to the heater make sure all conductive objects in the coating area are properly grounded Elec...

Page 17: ...play Displays all heater functions temperature temperature setpoint alarms 2 Output Operation Indicator Illuminates when the control output is on 3 Alarm Output operation Indictor Illuminates when an alarm is triggered 4 Upward Setting Key Increases the temperature setting alarm on the display 5 Downward Setting Key Decreases the temperature setting alarm on the display 6 Mode Setting Key Switches...

Page 18: ...em Refer to the Select Coat Heated Circulating Fluid Delivery Systems manual for shutdown procedures WARNING Use appropriate respiratory and skin protection when using coating materials and solvents Obtain and read the Material Safety and Data Sheets from the manufacturer before use and follow the manufacture s recommended handling and disposal procedures 1 Remove coating material with a solvent s...

Page 19: ...fer to Operation Coating material baked on the inside of the fluid passage body Disassemble the heater and clean the fluid passage body Refer to Repair for procedures 2 No heat output RTD failure Replace the RTD Digital temperature controller failure Replace the digital controller Contact your Nordson representative Blown fuse on workcell Replace the fuse Refer to the appropriate Select Coat syste...

Page 20: ...n before performing any maintenance Failure to observe this warning may cause serious injury to personnel and or damage to equipment See Figure 2 Heat Limiter Removal 1 Remove the six socket head cap screw and lockwashers securing the cover to the heater Remove the cover 2 Disconnect the lead wired L1 and 1 from the heat limiter 3 Carefully pull the heat limiter 5 out of the fluid passage body Hea...

Page 21: ...rtridge 3 Remove the socket head screw and lockwasher located in the bottom of the fluid passage body 4 Place a 6 4 mm 1 4 in diameter rod approximately 254 mm 10 in in length into the socket head screw hole against the drive out plug 5 Carefully drive the heater cartridge 3 out of the fluid passage body Heater Cartridge Installation 1 Make sure the drive out plug is installed in the fluid passage...

Page 22: ...e the heat limiter 5 Refer to Heat Limiter Removal 3 Remove the heater cartridge 3 Refer to Heater Cartridge Removal 4 Slide the RTD 1 out of the fluid passage body and remove it 5 Disconnect the fluid inlet and outlet fittings Remove the O rings from fittings and discard 6 See Figure 8 Loosen set screws 1 securing fluid heating reservoir to electrical enclosure The screws are visible when the enc...

Page 23: ...O ring on the fluid inlet and outlet fittings 4 Install fluid outlet and inlet fittings into the fluid passage body Use Teflon tape or pipe dope if necessary Tighten fittings to 1 66 2 08 kgm 12 15 ft lb 5 Install the heater cartridge Refer to Heater Cartridge Installation procedures 6 Install the heat limiter Refer to Heat Limiter Installation procedures 7 Install the RTD into the fluid passage b...

Page 24: ...rike against the wood block until the upper O ring is exposed Remove the upper O ring 4 Use the wood block as a driver to force the fluid passage body out of the housing Fluid Passage Body Installation CAUTION When cleaning the fluid passage body be careful not to damage the nickel plating on the spiral grooves 1 Soak the fluid passage body in a suitable solvent until any hardened coating material...

Page 25: ... The Description column gives the part name as well as its dimensions and other characteristics when appropriate Indentions show the relationships between assemblies subassemblies and parts Item Part Description Quantity Note 000 000 Assembly 1 1 000 000 S Subassembly 2 A 2 000 000 S S Part 1 S If you order the assembly items 1 and 2 will be included S If you order item 1 item 2 will be included S...

Page 26: ...plit 5 16 6 4 982 005 S S Screw chez head slot M4 x 10 4 5 983 111 S S Washer lock E split 8 4 6 983 402 S S Washer flat M narrow M4 2 7 933 232 S S Block terminal end 1 8 933 233 S S Block terminal contact 2 9 983 152 S S Washer lock E internal 5 16 2 10 245 574 S S Retainer wire 2 11 S S Stud ground 2 12 245 582 S S Plug enclosure electrical 1 13 245 581 S S Washer retaining 1 14 973 442 S S Plu...

Page 27: ...rnal 300 spiral 1 20 945 018 S S S O ring hotpaint 3 8 tube 2 21 S S S Body fluid passage 1 22 245 840 S S Enclosure electrical NH 4 1 23 S S Heat limiter NH 4 1 A 24 130 868 S S Heater cartridge with spacer 1 25 245 576 S S Plug drive out 1 26 982 004 S S Screw set knurl cup M6 x 16 2 27 807 112 S S Sensor RTD 100 ohm platinum 1 28 933 326 S Connector conduit 1 2 NPT x 0 437 grip 1 29 973 399 S B...

Page 28: ...rporation All rights reserved 108 151D Issued 8 99 Manual 12 11 1211009A 4 5 6 9 2 24 18 1 2 3 12 13 4 9 10 11 15 14 21 20 19 20 22 28 29 11 10 9 4 26 27 25 17 16 17 16 30 23 7 8 Fig 9 SCH 1 Heater Exploded View SCH 1 Heater Assembly contd ...

Page 29: ...2 734 x 0 139 2 Part Description Quantity 135 446 Kit tool disassembly SCH 1 1 245 937 S Stud 1 245 938 S Sleeve 1 245 939 S Support 1 135 462 S Arm 1 245 941 S Clamp 2 982 011 S Screw hex head machine M6 x 60 2 982 012 S Bolt hex head machine M16 x 110 2 983 040 S Washer flat 0 266 x 0 625 x 0 049 1 983 041 S Washer flat 0 250 x 0 500 x 0 049 2 983 051 S Washer flat E 0 344 x 0 688 x 0 065 1 984 ...

Page 30: ...in H x 6 88 in W x 9 13 in D 337 mm H x 175 mm W x 232 mm D 115 Vac 50 60 Hz 500 W 4 5 115V 246 kg cm2 3500 psi 1 4 in ID 12 GPH at 100 Temperature Rise 45 liter hr at 56 Temperature Rise 18 3 C 83 C 65 F 190 F 9 Specifications Dimensions Voltage Watts Amperes Maximum Operating Pressure Hose Fitting Size inlet outlet Heating Capacity Temperature Range Minimum Maximum ...

Page 31: ...ssure and allow the heater to cool down before performing any maintenance Failure to observe this warning may cause serious injury to personnel and or damage to equipment Follow thee procedures to remove the high pressure housing from the fluid passage body Preparing for Disassembly 1 Make sure the heater has been flushed thoroughly with a compatible solvent 2 Disconnect the high pressure fluid li...

Page 32: ...the hex screws 1 and tighten securely 7 Install the bolt 6 into the support 4 8 Install the stud arms 3 a Install the upper end of the stud arms into the split clamps 2 using hex nuts 5 and tighten securely b Install the lower end of the stud arms into the support using the hex nuts 5 Tighten the hex nuts evenly This allows the high pressure housing to be removed from the fluid pressure body witho...

Page 33: ...hen using coating material and solvents Obtain and read the Material Safety Data Sheets from the manufacturer before use Follow the manufacturer s recommended handling and disposal procedures Follow these procedures to clean the fluid reservoir 1 Saturate the spinal grooves of the fluid passage body with a compatible solvent 2 Use a blunt tool thin piece of wood or similar object to remove coating...

Page 34: ...Position the sleeve 8 on the base of the high pressure housing c Install the support 4 and the hex nut 7 onto the hex stud 9 d Rotate the hex nut 7 clockwise until the lower O ring groove on the fluid passage body is exposed e Remove the hex nut 7 support 4 sleeve 8 and the hex stud 9 from the heater 3 Install the lower O ring onto the fluid passage body 4 Install the split retaining ring 5 Slide ...

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