Thomas Scientific 5300A20/F48025-TS Operation Manual And Parts List Download

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Muffle Furnace

OPERATION MANUAL

AND PARTS LIST

Series 1285

Model

Voltage

Control

Display

5300A20/F48025-TS

120V

Single Setpoint Model

°C

with OTP

5300A25/F48025-80-TS

120V

8 Setpoint Programmable Model

°C

with OTP

LT1285X5 • 5/12/09

Summary of Contents for 5300A20/F48025-TS

Page 1: ...OPERATION MANUAL AND PARTS LIST Series 1285 Model Voltage Control Display 5300A20 F48025 TS 120V Single Setpoint Model C with OTP 5300A25 F48025 80 TS 120V 8 Setpoint Programmable Model C with OTP LT...

Page 2: ...Model with OTP 11 Single Ramp Dwell 15 8 Segment Programmable Models with OTP 17 Furnace Loading 31 Preventative Maintenance 32 General Cleaning Instructions 32 Troubleshooting 33 Maintenance and Serv...

Page 3: ...onal injury 1 Do not use in the presence of flammable or com bustible materials fire or explosion may result This device contains components which may ignite such material 2 Caution Hot Surface Avoid...

Page 4: ...hearth collar in the chamber of the product or under the hot plate top Tests performed by the manufacturer indicate that there is no risk of exposure to dust or respirable fibers resulting from oper...

Page 5: ...ntroller and 3 a door safety switch for operator safety General Usage Do not use this product for anything other than its intended usage Principles of Operation The furnace chamber is heated by open c...

Page 6: ...sions in Inches cm Chamber 7 17 8 W x 5 12 7 H x 10 25 4 D Overall 13 25 33 7 W x 19 48 3 H x 19 5 49 5 D Weight 56 lb 25 4 kg Electrical Ratings Volts 120 Amps 14 5 Watts 1800 Frequency 50 60 Phase 1...

Page 7: ...Operating 17 C to 27 C 20 to 80 relative humidity non condensing Installation Category II overvoltage in accordance with IEC 664 Pollution degree 2 in accordance with IEC 664 Altitude Limit 2 000 mete...

Page 8: ...n the furnace door and remove the packing material from inside the furnace chamber 4 Vacuum the chamber prior to use to remove the insulation dust due to ship ment The 5300A20 F48025 TS and 5300A25 F4...

Page 9: ...The 5300A20 F48025 TS or 5300A25 F48025 80 TS fur naces are supplied with a power cord rated at 120V 15 amps Installation Caution Be sure ambient temperature does not exceed 40 C 104 F The recommended...

Page 10: ...hen the door is opened If this condition is not true consult the Troubleshooting section before proceeding This check must be done when the furnace is heating and the cycle light is illuminated Operat...

Page 11: ...an alarm situation PAGE button Allows you to select a new list of parameters SCROLL button Allows you to select a parameter within a list of parameters DOWN button Allows you to decrease a value UP bu...

Page 12: ...ntering the configuration Contact Customer Service if a different temperature unit is required OP output power demand IdHi Deviation high alarm Factory preset to 50 AL List Alarm List IdHi Deviation h...

Page 13: ...rectly L br Loop Break check that the heating circuits are working properly Ld F Heater Circuit Fault indication of either an open or short solid sate relay a blown fuse missing supply or open circuit...

Page 14: ...the controller can attain To use the tun ing feature 1 Adjust the setpoint to your desired value 2 Press the PAGE button until display reads Atun 3 Press the SCROLL button Display will read tunE 4 Pr...

Page 15: ...same as mode 2 except the Dwell time includes the Ramp if needed 5 Mode 5 Opt 5 is a Dwell delay time before the controller Ramps if needed to the Setpoint tem perature Program Overview A program mod...

Page 16: ...n minutes 5 Press the PAGE button until the Actual tempera ture is displayed Running the Program 1 Press the SCROLL button until StAt is displayed set to run with the UP or DOWN buttons 2 Press the PA...

Page 17: ...r display To Change the Setpoint If you want to change the setpoint press the UP or DOWN button until the desired setpoint value is dis played in the lower display and then release the but ton To View...

Page 18: ...N light illuminates Holds a program when pressed again HOLD light illuminates Cancels hold and continues running when pressed again HOLD light is off and RUN light illuminates Exits a program when the...

Page 19: ...ning active program hoLd program on hold HbAc waiting for process to catch up End program complet ed in the lower display The controller will default to OFF FASt Fast Fast run through program no YES T...

Page 20: ...to a specified tem perature in a set time dwEll to maintain a constant temperature for a set time StEP climb instantaneously from current to specified temperature The controller will default to End O...

Page 21: ...td2 Derivative time in seconds SEt 2 ACCS LiSt Access List Access Code Code needed to enter or change the other configuration parameters which are not normally accessible Not accessible Alarms The con...

Page 22: ...d a value of 20 above your working temperature to provide protection for your work load To Operate the Controller as a Single Setpoint Controller 1 Switch the power switch to the ON position The setpo...

Page 23: ...d to freeze the program at its current state the HOLD light will flash The program will resume when the meas ured value comes within the holdback value Holdback can be set to 1 of 4 settings They are...

Page 24: ...Units Step 3 in programming the controller is defining ramp rate units Ramp units are time units which are used in rmP r segments ramp to a setpoint at degrees per second minute or hour and rmP t segm...

Page 25: ...cycle setting 1 Press the PAGE button until you reach the pro gram list ProG LiSt 2 Press the SCROLL button until display reads CYC n 3 Press the UP or DOWN button to select the number of cycles you w...

Page 26: ...lue in ramp units seconds minutes or hours set in the rmP U parameter rmP t To ramp to a specified temperature at a set time 1 Press the PAGE button until you reach the pro gram list ProG LiSt 2 Press...

Page 27: ...select a time in dwell units seconds minutes or hours set in the dwL U parameter StEP To climb instantaneously from the current temperature to a specified temperature 1 Press the PAGE button until yo...

Page 28: ...a Program To cancel a program hold the RUN HOLD button down until the RUN and HOLD lights go off Tuning your Furnace The purpose of tuning your furnace is to match the charac teristics of your control...

Page 29: ...sponse time or sensitivity at high or low temperatures or when heating or cooling The G SP gain schedule setpoint is factory set at 700 C The G SP must be adjusted to 200 C from the desired setpoint t...

Page 30: ...aptive Tuning Adaptive tuning continuously evaluates tuning parameters Adaptive tuning automatically installs new values if better accuracy is possible Adaptive tuning should be used when the characte...

Page 31: ...ts with tongs or lay ing the load against them will cause the ele ments to burn out prematurely Furnace Loading Caution Do not overload your furnace chamber If the load is to be heated uniformly it sh...

Page 32: ...71 C 1600 F for at least 4 hours to ensure complete ashing of foreign materials Element life is reduced somewhat by repeated heating and cooling If the furnace is to be used again within a few hours i...

Page 33: ...ace power switch defective Defective cycle light Replace cycle light Door switch malfunction Realign or replace furnace door safety switch Furnace does not heat No power Check power source and fuses o...

Page 34: ...e element out Repeated element Overheating furnace Keep furnace under maximum burnout temperature Closer supervision of control setting Heating harmful materials Enclose material in container Clean up...

Page 35: ...e defective element 8 Reverse the disassembly procedure making sure you thread all element lead wires through the insulating porcelain bushings on the back of the furnace and cut off any excess elemen...

Page 36: ...hermo couple through the plastic bushings with the red lead to the right as you face the back of the furnace 6 Insert the thermocouple straight through the hole in the chamber 7 Secure the thermocoupl...

Page 37: ...screws and nuts from the micro switch 6 Insert new micro switches and secure with the screws and nuts removed in step 5 7 Reconnect the wires to the new door switch 8 To realign the door switches see...

Page 38: ...Replace the back cover 7 Reconnect to power supply 8 To test the operation of the door switch move the power switch on set the control to a set ting high enough to keep the control from cycling open a...

Page 39: ...OTP 5300A25 F48025 80 TS Part number Description QTY 0165A25 Controller 1 0165A51 Line Fuse 2 0165A68 Pilot Light 1 0165A71 S S Relay 1 0165A73 Mechanical Relay 1 0165A80 Door Switch 2 0165A78 Power S...

Page 40: ...40 Wiring Diagrams SINGLE SETPOINT CONTROL W OTP...

Page 41: ...41 WIRING DIAGRAMS 8 SEGMENT PROGRAMMABLE CONTROL...

Page 42: ...42...

Page 43: ...43...

Page 44: ...e Company shall not be liable for any delay in performance under this warranty caused by any contingency beyond the Company s control including war government restrictions strikes acts of God or reduc...

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