Page 1
Thermo Scientific Thermolyne Furnace Large Tabletop Muffle/ Atmosphere Controlled Ashing Model Type: F30400 Installation and Operation Manual LT1262X1 Revision G October 2018...
Safety Information Contents • “Alert Signals” on page 6 • “Important Information” on page 6 • “Warnings” on page 6 • “Warning” on page 7 Thermo Scientific Large Tabletop Muffle...
Important Information Your Thermo Scientific Thermolyne F30400 Model Furnace has been designed with function, reliability and safety in mind. It is your responsibility to install it in conformance with local electrical codes.
Refer to the appropriate Material Safety Data Sheets (MSDS) for information regarding proper handling and recommended protective equipment. For additional MSDS copies, or additional information concerning the handling of refractory ceramic products, please contact the Customer Service Department at 1-800-438-4851. Thermo Scientific Large Tabletop Muffle...
Page 10
Safety Information Warning Large Tabletop Muffle Thermo Scientific...
General Usage Do not use this product for anything other than its intended usage. TOTAL NUMBER OF DIGITAL NUMBER OF STORED MODEL NUMBER PROGRAMMABLE COMMUM. PROGRAMS SEGMENTS F30420C-33-80 F30420-33-60-80 F30420C-60-80 F30420C-80 F30428C-60-80 F30428C-80 Large Tabletop Muffle Thermo Scientific...
The control is located under the furnace chamber and is well insulated from the heat generated in the furnace chamber. The temperature is controlled by one of three types of controllers. Thermo Scientific Large Tabletop Muffle...
Page 14
Introduction Principles of Operation Large Tabletop Muffle Thermo Scientific...
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 meters. Storage: -25°C to 65°C; 10% to 85% relative humidity. Large Tabletop Muffle Thermo Scientific...
3. Open 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 shipment. 5. Retain the original packaging material if reshipment is foreseen or required. Thermo Scientific Large Tabletop Muffle...
Page 18
Unpacking Large Tabletop Muffle Thermo Scientific...
Installation Contents • “Site Selection” on page 18 • “Electrical Connections” on page 18 • “Electrical Conditions in the EU” on page 18 Thermo Scientific Large Tabletop Muffle...
0.0229 ohm at the point of connection, according to EN 61000-3-11 clause 6.2.2. The user has to ensure that the device is operated on a network supply that meets these requirements. If necessary, the system impedance can be confirmed by the energy supplier. Large Tabletop Muffle Thermo Scientific...
Operation, All Models Contents • “Power Switch” on page 20 • “Cycle Light shown on the display” on page 20 • “Door Safety Switch” on page 20 Thermo Scientific Large Tabletop Muffle...
Note an acoustic click of the switch during opening and closing of the door. 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 on the display is illuminated. Large Tabletop Muffle Thermo Scientific...
Process Value (PV) Display SetPoint (SP) PAGE Button Display and Scolling Text Messages UP ARROW Button SCROLL Button DOWN ARROW Button If at any time you want to return to the HOME DISPLAY, press PAGE button. Large Tabletop Muffle Thermo Scientific...
SP.RAT: Ramp Rate Setpoint (default units is minutes). RAMPU: Ramp Unit of measure (seconds, minutes and hours). DWELL: Time for dwell or delay (default units is minutes). T.STAT: Timer Status. Active only when timer is active. Thermo Scientific Large Tabletop Muffle...
In addition to over-temperature protection, units containing a single setpoint controller w/OTP feature a mechanical OTP relay device, which disconnects power from the elements in an alarm condition. Large Tabletop Muffle Thermo Scientific...
8. Normal control function will resume after the controller calculates tuning parameters. Furnace must be at ambient temperature before starting a tune. “Stat” and “Sp.rr” must be set to OFF or “tunE” will not initiate. Tune has completed when “tunE” stops flashing on display. Thermo Scientific Large Tabletop Muffle...
Page 28
Single Setpoint Models w/OTP Tuning Large Tabletop Muffle Thermo Scientific...
• “Running the Program” on page 30 • “Holding the Program” on page 30 • “Stopping the Program” on page 30 • “Clearing the Flashing End” on page 30 • “Verifying a Running Program” on page 30 Thermo Scientific Large Tabletop Muffle...
The instrument remains in standby until the time has elapsed. After the time has elapsed, the instrument controls up to setpoint. These instructions are used with the Single Setpoint models with OTP only (See models listed on front page). Large Tabletop Muffle Thermo Scientific...
For example, if it is desired for the controller to stop doing anything at all once the timer is finished, set End.T to OFF. If it is desired to revert back to the ambient temp setpoint at which the program started, set END.T to rES. Thermo Scientific Large Tabletop Muffle...
Press the SCROLL button until “T.SAT” is displayed. The display will show “run” if the program is running, “hold” if it is paused or “res” if it is not running. Press the PAGE button to display Actual temperature. Large Tabletop Muffle Thermo Scientific...
41 • “Running a Program (4x16 Segment Programmable Models)” page 41 • “Holding a Program” page 41 • “Cancelling a Program” page 41 • “Tuning your Furnace” page 42 • “Gain Scheduling” page 42 Thermo Scientific Large Tabletop Muffle...
Page 34
Once the desired parameter has been selected, depressing either the UP or DOWN button will change the parameter value. In all cases, the value shown on the display is the current working value of that parameter. Large Tabletop Muffle Thermo Scientific...
SCROLL button: allows you to choose a parameter within a list of parameters. UP button: allows you to increase the value in the lower display. DOWN button: allows you to decrease the value in the lower display. Thermo Scientific Large Tabletop Muffle...
Cyc.n: Press the UP or DOWN ARROW to set the number of program cycles (1 to 999 or cont). The controller will default to “cont.” SEG.n: Press the UP or DOWN ARROW to select the segment number (1-8 in 8 segment models, 1-16 in 4x16 models). Large Tabletop Muffle Thermo Scientific...
The controller will flash an alarm message in the home display if an alarm condition is detected. IdHi: PV deviation high alarm. 2FSH: PV full scale high alarm. LCr: load current low alarm. HCr: load current high alarm. Thermo Scientific Large Tabletop Muffle...
2. To change the setpoint, press the UP or DOWN button until the desired setpoint value is displayed; then release the button. 3. The furnace will begin to heat if the new setpoint temperature is higher than the present chamber temperature. Large Tabletop Muffle Thermo Scientific...
2. Press the SCROLL button until display reads, “Hb.” 3. Press the UP or DOWN button to toggle between “bAnd, Hi, Lo and OFF. ” The value set in this parameter is always for the entire program. Thermo Scientific Large Tabletop Muffle...
2. Press the SCROLL button until display reads,”CYC.n.” 3. Press the UP or DOWN button to select the number of cycles you want to run or, press the DOWN button to select “cont.” so the program will run continuously. Large Tabletop Muffle Thermo Scientific...
5. Press the UP or DOWN button to set a target setpoint. 6. Press the SCROLL button until display reads, “dur.” 7. Press the UP or DOWN button to select a time in ramp units (seconds, minutes or hours; set in the “rmP.U”parameter. Thermo Scientific Large Tabletop Muffle...
Page 42
5. Press the UP or DOWN button to select a program number to be linked. 6. Press the SCROLL button until display reads, “CYC.n.” 7. Press the UP or DOWN button to select the number of cycles the linked program is to be run. Large Tabletop Muffle Thermo Scientific...
To put a running program on hold, press the RUN/HOLD button. (The HOLD light will illuminate.) Cancelling a Program To cancel a program, hold the RUN/HOLD button down until the RUN and HOLD lights go off. Thermo Scientific Large Tabletop Muffle...
When the process value is below this level, PID1 will be active and when it is above, Pid2 will be active. Set a value between the control regions that show the greatest change to achieve the best point of transfer. Large Tabletop Muffle Thermo Scientific...
3. Press the SCROLL button until “drA OFF” is displayed. 4. Press the UP or DOWN button to select “on.” 5. Press the SCROLL button until “drA.t” is displayed. 6. Press the UP or DOWN button until the desired trigger value is achieved. Thermo Scientific Large Tabletop Muffle...
Page 46
8 Segment & 4x16 Segment Programmable Models w/OTP Gain Scheduling Large Tabletop Muffle Thermo Scientific...
This exhaust system must be capable of handling smoke and gases produced in an ashing procedure. Coal ashing furnaces -60 models contain a feature to provide air (or inert gas) flow within the furnace chamber. Thermo Scientific Large Tabletop Muffle...
Page 48
Failure to connect the exhaust port to an appropriate exhaust system will result in smoke and gases filling the work area. Without the connection, gases and smoke will escape around the door seal and at the rear of the furnace. Large Tabletop Muffle Thermo Scientific...
• If you are heating a number of small parts, spread them throughout the center of the furnace chamber. • Keep objects away from thermocouple. • Use insulated tongs and mittens when loading and unloading furnace. • Always wear safety glasses. Thermo Scientific Large Tabletop Muffle...
Page 50
Furnace Loading Large Tabletop Muffle Thermo Scientific...
(500°F). We highly recommend that you replace the thermocouple periodically (once every six months) to ensure temperature accuracy. General Cleaning Instructions Wipe exterior surfaces with lightly dampened cloth containing mild soap solution. The Troubleshooting section is intended to aid in defining and correcting possible service problems. Thermo Scientific Large Tabletop Muffle...
Page 52
Preventive Maintenance General Cleaning Instructions Large Tabletop Muffle Thermo Scientific...
• “To Replace a Platinel II Thermocouple” on page 52 • “To Replace Solid State Relay:” on page 53 • “To Replace Door Switch (Microswitch)” on page 53 • “To Realign Door Strike” on page 54 • “To Replace Control Module” on page 54 Thermo Scientific Large Tabletop Muffle...
1. Disconnect furnace from power supply. 2. Remove the back terminal cover of the furnace. (Note placement and connection of T/C lead wires). 3. Remove the screws on the thermocouple terminals and pull the thermocouple straight out. Large Tabletop Muffle Thermo Scientific...
8. Remove the two screws and nuts from the Microswitch. 9. Insert new Microswitch and secure with screws and nuts removed in Step 8. 10. Slide control section back and replace the wires on the door switch. Thermo Scientific Large Tabletop Muffle...
To Replace Control Module Gently pry the retaining tabs on both sides out, and then pull the control straight out of the sleeves. Install the new controller to the sleeve. Large Tabletop Muffle Thermo Scientific...
Lighten load in chamber to allow heat to circulate. Slow heatup. Wrong heating element. Install proper element. One or more heating elements are burned out. Replace burned out elements. Wired improperly. Check wiring diagram for correct wiring of your furnace. Thermo Scientific Large Tabletop Muffle...
Page 58
Oxidized or contaminated thermocouple. Replace thermocouple. Poor thermocouple connections. Tighten connections. Inaccurate. Improper loading. Use proper loading procedures. Poor ventilation of base. Clear area around furnace base. Control out of calibration. Contact customer service. Large Tabletop Muffle Thermo Scientific...
All models RYX62 Mechanical relay All models SWX103 Circuit breaker All models SWX144 Power switch All models SWX163 Door switch All models TC412X1A Thermocouple All models TRX96 Terminal block All models TRX178 Terminal block All models Thermo Scientific Large Tabletop Muffle...
All models RYX37 S.S. relay All models RYX62 Mechanical relay All models SWX144 Power switch All models SWX163 Door switch All models TC412X1A Thermocouple All models TRX96 Terminal block All models TRX178 Terminal block All models Large Tabletop Muffle Thermo Scientific...
All models RYX37 S.S. relay All models RYX62 Mechanical relay All models SWX144 Power switch All models SWX163 Door switch All models TC412X1A Thermocouple All models TRX96 Terminal block All models TRX178 Terminal block All models Thermo Scientific Large Tabletop Muffle...
Page 62
Replacement Parts List Large Tabletop Muffle Thermo Scientific...
All parts listed herein may be ordered from the Thermo Scientific dealer from whom you purchased this unit or can be obtained promptly from the factory. When service or replacement parts are needed we ask that you check first with your dealer.
Page 64
Ordering Procedures Large Tabletop Muffle Thermo Scientific...
Wiring Diagrams 4X16 segment programmable control 4X16 segment programmable control LINE LOAD Large Tabletop Muffle Thermo Scientific...
Page 69
Important For your future reference and when contacting the factory, please have the following information readily available: Model Number: Serial Number: Date Purchased: The above information can be found on the dataplate attached to the equipment. If available, please provide the date purchased, the source of purchase (manufacturer or specific agent/rep organization), and purchase order number.
Need help?
Do you have a question about the F30400 and is the answer not in the manual?
Questions and answers