Type F62700 Furnace OPERATION MANUAL AND PARTS LIST Series 1276 Model No.
Table of Contents IMPORTANT INFORMATION This manual contains important operating and safety information. The user must carefully read and understand the contents of this manual prior to the use of this equipment. Safety Information .............................................................................................................................................. 4 Alert Signals .........................................................................................................................
TABLE OF CONTENTS Programming the Controller ......................................................................................................................25 Running a Program (8 Segment Programmable Models)..........................................................................30 Holding a Program ....................................................................................................................................30 Cancelling a Program ...........................................
Safety Information Alert Signals Warning Warnings alert you to a possibility of personal injury. Caution Cautions alert you to a possibility of damage to the equipment. Note Notes alert you to pertinent facts and conditions. Hot Surface Hot surfaces alert you to a possibility of personal injury if you come in contact with a surface during use or for a period of time after use. This manual contains important operating and safety information.
SAFETY INFORMATION Please note the following WARNINGS: WARNING This warning is presented for compliance with California Proposition 65 and other regulatory agencies and only applies to the insulation in this product. This product contains refractory ceramic, refractory ceramic fiber or fiberglass insulation, which can produce respirable dust or fibers during disassembly. Dust or fibers can cause irritation and can aggravate preexisting respiratory diseases.
Introduction Intended Use The Type F62700 furnace is a general laboratory and heat treating furnace. For optimum element life, it is suggested that this furnace be used for applications requiring temperatures from 400°F (204°C) to 1600°F (871°C) for continuous use, or temperatures from 1600°F (871°C) to 1832°F (1000°C) for intermittent use. Continuous use is operating the furnace for more than 3 hours and intermittent use is operating the furnace for less than 3 hours.
General Specifications MODEL NUMBER F62730, F62730-80 F62730-33 F62730-33-80 F62734 F62735, F62735-80 OVERALL WIDTH 23-1/2 (59.7 CM) 23-1/2 (59.7 CM) 23-1/2 (59.7 CM) 23-1/2 (59.7 CM) DIMENSIONS HEIGHT 16-1/4 (41.3 CM) 16-1/4 (41.3 CM) 16-1/4 (41.3 CM) 16-1/4 (41.3 CM) IN. (CM) DEPTH 18-3/4 (47.6 CM) 18-3/4 (47.6 CM) 18-3/4 (47.6 CM) 18-3/4 (47.6 CM) CHAMBER WIDTH 11-1/2 (29.2 CM) 11-1/2 (29.2 CM) 11-1/2 (29.2 CM) 11-1/2 (29.2 CM) DIMENSIONS HEIGHT 7-1/2 (19.1 CM) 7-1/2 (19.
GENERAL SPECIFICATIONS Environmental Conditions Operating: 17°C - 27°C; 20% to 80% relative humidity, non-condensing. Installation Category II (over-voltage) in accordance with IEC 664. Pollution Degree 2 in accordance with IEC 664. Altitude limit: 2,000 meters. Storage: -25°C to 65°C; 20% to 80% relative humidity.
Unpacking Visually check for any physical damage to the shipping container. Inspect the equipment surfaces that are adjacent to any damaged area. Open the furnace door and remove packing material from inside the furnace chamber. Vacuum the chamber prior to use to remove the insulation dust due to shipping. The furnace is supplied with two hearth plates. Place the hearth plates on the bottom of the chamber. Install ceramic sleeve into top vent hole on furnace case.
Installation Caution Be sure ambient temperature does not exceed 104°F (40°C). Ambients above this level may result in damage to the controller. Allow at least six inches of space between the furnace and any combustible surface. This permits the heat from the surface case to escape so as not to create a possible fire hazard. Warning Do not use in the presence of flammable or combustible chemicals. Fire or explosion may result; this device contains components which may ignite such materials.
General Operation General Operation of Furnace To avoid electrical shock, this furnace must: 1. Use a properly grounded electrical outlet of correct voltage and current handling capacity. 2. Disconnect from the power supply prior to maintenance and servicing. 3. Have the door switch operating properly. To avoid personal injury: 1. Do not use in the presence of flammable or combustible materials; fire or explosion may result. This device contains components which may ignite such material. 2.
GENERAL OPERATION them in a manner which causes release of dust or fibers. By using proper handling procedures and protective equipment you can work safely with these insulating materials and minimize any exposure. Refer to the appropriate Material Safety Data Sheets (MSDS) for information regarding proper handling and recommended protective equipment.
Single Setpoint Model w/OTP Output 2 Output 1 Temperature Display Manual The single setpoint model w/OTP furnace controller is a single setpoint controller which provides a single digital display to indicate the current chamber temperature or setpoint temperature. This temperature controller features sensor break protection, self-tuning capability and over temperature protection (OTP) with an additional OTP relay device.
SINGLE SETPOINT MODEL W/OTP To View the % Output Power From the HOME DISPLAY press the SCROLL button twice. Press and release the UP or DOWN button to view the % output power. This value is a read-only value and cannot be changed. Controller Parameters Home display °C: Temperature units in Celsius. Temperature units can not be changed without entering the configuration. Contact Customer Service if a different temperature unit is required. OP: % output power demand. IdHi: Deviation high alarm.
SINGLE SETPOINT MODEL W/OTP Note The following alarm messages are factory default settings and may vary if you have changed the configuration of your controller: IDHi = 50°C 2FSH = 1025°C Alarms The controller will flash an alarm message in the home display if an alarm condition is detected. 2FSH: Measured value full scale high alarm. IdHi: Measured value deviation high alarm. S.br: Sensor break: check that sensor is connected correctly. L.
SINGLE SETPOINT MODEL W/OTP Note Start tuning with the process at ambient temperature. This allows the tuner to calculate the low cutback and high cutback values more accurately. Note “Stat” and “Sp.rr” in Sp list must be set to OFF or “tunE” will not initiate. 16 Tuning This controller incorporates a self-tuning feature which determines the optimum control parameters for the best temperature accuracy with your load and setpoint.
Single Ramp & Dwell Note These instructions are used with the Single Setpoint models with OTP only (See models listed on front page). Functions This type of controller has single ramp and dwell programming capabilities. The Ramp and Dwell can be configured to five different modes. Mode 1 (Opt. 1) 1. Mode 1 (Opt. 1) is a Ramp (if needed) to the Setpoint temperature, a Dwell, and then a cool down. 2. Mode 2 (Opt.
SINGLE RAMP & DWELL CONTROLLER Note The program must be stopped and the controller must be displaying the actual temperature before beginning the Setup. Program Setup 1. Press the PAGE button until the “SP” is displayed. 2. Press the SCROLL button once, “SPrr” (Ramp Rate) will be displayed, set the desired Ramp rate with the UP or DOWN buttons, if the ramp to setpoint feature is needed. If the Ramp rate is not needed, then set to “OFF” with the UP or DOWN buttons. 3.
SINGLE RAMP & DWELL CONTROLLER Verifying a Running Program Press the SCROLL button until “StAt” is displayed. The display will show “run” if the program is running, or “oFF” if it is not running. Press the PAGE button to display Actual temperature.
8 Segment Programmable Model w/OTP Note The controller will return to the HOME DISPLAY if left idle for more than a few seconds. Note 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.
8 SEGMENT PROGRAMMABLE MODEL W/OTP Buttons and Indicators OP1 (Output 1): illuminates when the heating output of the temperature controller is on. AUTO/MAN: (Auto/Manual Mode): when the controller is in the automatic mode the output automatically adjusts to keep the temperature or process value at the setpoint. The “AUTO” light will illuminate. The manual mode has been disabled through factory configuration. Call Customer Service for further information.
8 SEGMENT PROGRAMMABLE MODEL W/OTP Controller Parameters Home Display °C: measured temperature in Celsius. Temperature units cannot be changed without entering the configuration. Contact Customer Service if a different temperature unit is required. OP: % output power demand; displayed in lower display (cannot be changed). C.id: Controller identification number. IdHi: Deviation High Alarm tunE: One-shot autotune enable.
8 SEGMENT PROGRAMMABLE MODEL W/OTP 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). tYPE: Press the UP or DOWN ARROW to select the segment type [End (end of program), rmP.r = ramp rate (ramp to a specified setpoint at a set rate), rmp.
8 SEGMENT PROGRAMMABLE MODEL W/OTP ACCS LiSt (Access List) Access Code (Code needed to enter or change the other configuration parameters which are not normally accessible.) Call customer service if this configuration is required. Note The following alarm messages are factory default settings and may vary if you have changed the configuration of your controller: IDHi = 50°C 2FSH = 1025°C Alarms The controller will flash an alarm message in the home display if an alarm condition is detected.
8 SEGMENT PROGRAMMABLE MODEL W/OTP Over-Temperature Protection (OTP) The OTP will be in effect during any alarm condition when the temperature of the furnace has deviated beyond the limit. The “Deviation High” alarm is the only alarm value which can be changed. To change it, press the SCROLL button until “idHi” appears on the display. Press the UP or DOWN button to select the OTP value you desire. We recommend a value of 20° above your working temperature to provide protection for your workload.
8 SEGMENT PROGRAMMABLE MODEL W/OTP Hb: Holdback Holdback consists of a value and a type. If the measured value lags behind the setpoint by an undesirable amount during a ramp or dwell, the holdback feature can be used to freeze the program at its current state (the HOLD light will flash). The program will resume when the error comes within the holdback value. OFF: holdback is disabled.
8 SEGMENT PROGRAMMABLE MODEL W/OTP rmP.U: Setting Ramp 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” segments (ramp to setpoint in a specific amount of time). See “Setting the Segment Type” for an explanation on how to set a ramp segment. 1. Press the PAGE button until you reach the program list (ProG LiSt). 2. Press the SCROLL button until display reads, “rmP.U.” 3.
8 SEGMENT PROGRAMMABLE MODEL W/OTP Note The program ramp rate is designed to reduce the heatup rate or cooling rate that the furnace normally exhibits. When not using this feature, the furnace will operate at its maximum heating and cooling capability. Note When the program ramp has ended or has been reset, the furnace will continue to maintain setpoint temperature. It will not cool to ambient temperature unless the setpoint is set to ambient temperature by the program or by the operator.
8 SEGMENT PROGRAMMABLE MODEL W/OTP 4. Press the SCROLL button until display reads, “tGt.” 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. dwEll To maintain a constant temperature for a specified time: 1. Press the PAGE button until you reach the program list (ProG LiSt). 2.
8 SEGMENT PROGRAMMABLE MODEL W/OTP End To end or repeat a program: 1. Press the PAGE button until you reach the program list (ProG LiSt). 2. Press the SCROLL button until display reads, “tYPE.” 3. Press the UP or DOWN button until display reads, “End.” 4. Press the SCROLL button until display reads, “End.t.” 5. Press the UP or DOWN button to toggle between “dwEll” (an indefinite dwell), “S OP” (End Segment Output Power) and “rSET” (reset).
8 SEGMENT PROGRAMMABLE MODEL W/OTP Note Display will flash “tu.ER” if an error occurs during tuning. To clear the error and restart tuning, simultaneously press the PAGE and SCROLL buttons and follow the steps outlined in “Autotuning.” Note To stop the tuning function, simultaneously press the PAGE and SCROLL buttons. Tuning The purpose of tuning your furnace is to match the characteristics of your controller to the characteristics of the process being controlled.
8 SEGMENT PROGRAMMABLE MODEL W/OTP be active. Set a value between the control regions that show the greatest change to achieve the best point of transfer. Tuning The two sets of PID values can be manually set or automatically tuned. To tune automatically you must tune above and below the transfer point G.SP. If the process value is below the transfer point G.SP, the calculated values will automatically be inserted into the (SEt 1) set and if the process value is above G.
8 SEGMENT PROGRAMMABLE MODEL W/OTP To tune your furnace using adaptive tuning: 1. Load your furnace with a load characteristic of those you intend to heat in it. 2. Press the PAGE button until display reads, “Atun LiSt.” 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.
Furnace Loading Caution Do not overload your furnace chamber. If the load is to be heated uniformly it should not occupy more than the center two-thirds of the furnace chamber. Failure to observe this caution could result in damage to furnace components. 34 1. For best results use only the center 2/3 of the furnace chamber. 2. If you are heating a number of small parts, spread them throughout the center two-thirds of the furnace chamber. 3. Keep objects away from thermocouple. 4.
Preventative Maintenance Please note the following WARNINGS: WARNING This warning is presented for compliance with California Proposition 65 and other regulatory agencies and only applies to the insulation in this product. This product contains refractory ceramic, refractory ceramic fiber or fiberglass insulation, which can produce respirable dust or fibers during disassembly. Dust or fibers can cause irritation and can aggravate pre-existing respiratory diseases.
PREVENTATIVE MAINTENANCE to insure 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, it is best to keep it at the operating temperature or at a reduced level such as 260°C. General Cleaning Instructions Wipe exterior surfaces with lightly dampened cloth containing mild soap solution.
Troubleshooting The Troubleshooting section is intended to aid in defining and correcting possible service problems. When using the chart, select the problem category that resembles the malfunction; then proceed to the possible causes category and take necessary corrective action. PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The power light does not illuminate. The furnace is not connected to power supply. Check furnace connection to power source. ON and OFF power switch defective.
TROUBLESHOOTING PROBLEM Furnace doesn’t stop heating when the door is opened. Repeated element burnout. Inaccurate temperature readout. 38 POSSIBLE CAUSES CORRECTIVE ACTION Door switch is malfunctioning. Re-align or replace door safety switch. Mechanized relay is malfunctioning. Replace relay. Heating harmful materials. Clean up spills in and on chamber. Ventilate chamber by leaving top vent slightly open when heating known harmful reagents. Wrong element. Install proper element.
Maintenance and Servicing Please note the following WARNINGS: WARNING This warning is presented for compliance with California Proposition 65 and other regulatory agencies and only applies to the insulation in this product. This product contains refractory ceramic, refractory ceramic fiber or fiberglass insulation, which can produce respirable dust or fibers during disassembly. Dust or fibers can cause irritation and can aggravate pre-existing respiratory diseases.
MAINTENANCE AND SERVICING Warning Disconnect from the power supply prior to maintenance and servicing. Refer servicing to qualified personnel. Replace fuses with the same type and rating. Note Perform only maintenance described in this manual. Contact an authorized dealer or our factory for parts and assistance. Note Make sure yellow thermocouple lead wire is connected to terminal V+ on back of the controller. Make sure red thermocouple lead wire is connected to terminal V- on back of the controller.
MAINTENANCE AND SERVICING Note Make sure the black insulation sleeving covers the exposed portion of the element lead wires. Note Make sure the exposed section of the T/C lead wires are not contacting each other. g. Loosen top adjustment bracket and remove defective muffle. h. Insert new muffle with vent hole facing the top of unit. i. Readjust top bracket to fit snugly up against muffle. Make sure muffle is laying flush against front case section. j.
Wiring Diagrams Single Setpoint w/OTP Control SW1172X1 42 SW1172X1 SW1172X1 SW1172X1
WIRING DIAGRAMS 8 Segment Programmable Control SW1172X1 SW1172X1 SW1172X1 43
Replacement Parts Listed below are the common replacement parts for all models of the F62700 furnace. PART PART NO.
Ordering Procedures Please refer to the Specification Plate for the complete model number, serial number, and series number when requesting service, replacement parts or in any correspondence concerning this unit. All parts listed herein may be ordered from the Barnstead International 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.
Material Safety Data Sheet Thermal Ceramics Material Safety Data Sheet Date Revised: 7/2/91 PRODUCT IDENTIFICATION Trade Name(s): Generic Name: Chemical Name: Manufacturer: Address: City: CERAFIBER REFRACTORY CERAMIC FIBER INSULATION ALUMINA SILICA Thermal Ceramics P.O.
MATERIAL SAFETY DATA SHEET HEALTH HAZARDS Summary/Risks Summary: EXPOSURE TO DUST FROM THIS PRODUCT SHOULD BE MINIMIZED. ANIMAL INHALATION AND ARTIFICIAL IMPLANTATION STUDIES HAVE REPORTED THE DEVELOPMENT OF TUMORS. BASED ON PRELIMINARY RESULTS, A NOTICE OF SUBSTANTIAL RISK HAS BEEN FILED WITH THE EPA ACCORDING TO SECTION 8(e) OF THE TOXIC SUBSTANCES CONTROL ACT. BASED ON ANIMAL STUDIES, IARC HAS CLASSIFIED RCF AS POSSIBLY CARCINOGENIC FOR HUMANS (2B).
MATERIAL SAFETY DATA SHEET SPECIAL PROTECTION INFORMATION Goggles: GOGGLES OR SAFETY GLASSES WITH SIDE SHIELDS ARE RECOMMENDED. Gloves: GLOVES ARE RECOMMENDED. Respirator: <1 F/CC, USE 3M 9900; <10 F/CC, USE MSA COMFO II WITH H FILTER; <50 F/CC, USE MSA ULTRA-TWIN H FILTER; OR EQUIVALENTS. SEE SECTION IX-OTHER. Ventilation: USE SUFFICIENT NATURAL OR MECHANICAL VENTILATION TO KEEP DUST LEVEL TO BELOW PEL/TLV/WEG (WORKPLACE EXPOSURE GUIDELINE) USE DUST COLLECTION WHEN TEARING OUT.
TITLE RIGHT 49
Two Year Limited Warranty BARNSTEAD INTERNATIONAL (“BARNSTEAD”) warrants that a product manufactured by Barnstead shall be free of defects in materials and workmanship for two (2) year from the first to occur of (i) the date the product is sold by BARNSTEAD or (ii) the date the product is purchased by the original retail customer (the “Commencement Date”).