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19

Furnace Loading

For best results of furnace loading and temperature uni-
formity, use only the center six inches  of the furnace
chamber.

Keep objects away from thermocouple.

Use insulated tongs and mittens when loading and un-
loading furnace.

Always wear safety glasses.

Use the proper process tube.

Furnace Loading

Caution 
Do not overload your furnace chamber.
Failure to observe this caution could
result in damage to furnace compo-
nents.

Summary of Contents for 1260 Series

Page 1: ...PERATION MANUAL AND PARTS LIST SERIES 1260 Model Voltage Control F21125 120 Manual F21120 240 Manual F21120 33 230 Manual F21130 240 Single Set Point F21130 33 230 Single Set Point F21135 120 Single S...

Page 2: ...ngle Set Point Controller 12 Single Ramp and Dwell 16 Furnace Loading 19 Preventive Maintenance 20 General Cleaning Instructions 20 Troubleshooting 21 Maintenance and Servicing 24 To Replace Vestibule...

Page 3: ...function reliability and safety in mind It is your responsibility to install it in conformance with local elec trical codes For safe operation please pay attention to the alert boxes throughout the m...

Page 4: ...door the 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 res pirable fibers resulting f...

Page 5: ...d ed usage Principles of Operation The furnace chamber is heated by heating elements em bedded in a refractory material The tubular chamber is insulated with a ceramic fiber insulation The furnace cha...

Page 6: ...Ratings Volts 120 240 230 Amps 11 25 5 6 5 4 Watts 1350 1350 1240 Freq 50 60 50 60 50 60 Phase 1 1 1 Temperature 100 1200 C 100 1200 C 100 1200 C Ratings C 371 1100 C 371 1100 C 371 1100 C For models...

Page 7: ...ety requirements for electrical equipment for measurement control laboratory use Part I General Requirements EN61010 2 010 Part II Particular requirements for laboratory equipment for the heating of m...

Page 8: ...r The furnace is supplied with a three wire cord and plug 2 JC211x1 1 diameter tube mounting vestibules Furnace does not contain a refractory process tube Unpacking Note Contact the dealer from which...

Page 9: ...id electrical shock this furnace must be installed by a competent qual ified electrician who insures compatibili ty among furnace specification power source and ground code requirements Warning Instal...

Page 10: ...ol Models F21120 33 F21125 F21120 The control switch is a combination ON OFF switch and temperature control The furnace is ON at any setting of the control switch except in the OFF position Turn the c...

Page 11: ...ring use or for a period of time after use Warning Always wear safety glasses or a safety shield and high temperature gloves when loading or unloading the furnace Long sleeved fire retardant clothing...

Page 12: ...llows you to select a new list of para meters SCROLL button Allows you to select a parameter within a list of parameters DOWN button Allows you to decrease a value UP button Allows you to increase a v...

Page 13: ...t temperature unit 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 can...

Page 14: ...en or short solid sate relay a blown fuse missing supply or open circuit heater Sensor Break Protection This controller provides sensor break protection in the event the thermocouple opens If an open...

Page 15: ...red value 2 Press the PAGE button until display reads Atun 3 Press the SCROLL button Display will read tunE 4 Press the UP or DOWN button to select on 5 Simultaneously press the PAGE and SCROLL button...

Page 16: ...me as mode 1 except the Dwell time includes the Ramp if needed 4 Mode 4 Opt 4 is the 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 co...

Page 17: ...button once dwEll will be dis played set the desired Dwell time with the UP or DOWN buttons Dwell in minutes 5 Press the PAGE button until the Actual temperature is displayed Running the Program 1 Pr...

Page 18: ...g Program Press the SCROLL button until StAt is displayed The dis play will show run if the program is running or oFF if it is not running Press the PAGE button to display Actual tem perature SINGLE R...

Page 19: ...the furnace chamber Keep objects away from thermocouple Use insulated tongs and mittens when loading and un loading furnace Always wear safety glasses Use the proper process tube Furnace Loading Cauti...

Page 20: ...he furnace is to be used again within a few hours it is best to keep it at the operating tempera ture or at a reduced level such as 260 C During normal use the thermocouple in your furnace can become...

Page 21: ...a risk of exposure to respirable refractory ceramic dust or fiber when repairing or maintaining the insulating ma terials or when otherwise disturbing the materials in a manner which causes release o...

Page 22: ...es not heat No power Check power source and fuses or breakers Thermocouple is open or Replace thermocouple or check thermocouple leads reversed thermocouple connections Controller malfunction Verify a...

Page 23: ...d Replace thermocouple thermocouple Poor thermocouple connection Tighten connections Improper loading procedures Use proper loading procedures Poor ventilation of base Clear area around furnace base T...

Page 24: ...ibules of furnace chamber e Remove terminal plate with four screws to expose wiring Note placement and connection of thermocouple and ele ment wires f Remove two element lead wires from terminal block...

Page 25: ...the terminal second from the right side of the terminal block h Replace bottom cover i Turn control base upright and secure furnace chamber to it j Reconnect furnace to power supply To Replace Manual...

Page 26: ...ocouple Manual Control Models a Disconnect furnace from power supply b Remove knob that holds furnace chamber to the bracket and remove the furnace chamber c Remove terminal plate on back of furnace c...

Page 27: ...thermocou ple and remove thermocouple by pulling straight back e Insert the new thermocouple until tip extends ap proximately 1 4 into heating chamber f Connect the blue and yellow beaded thermocouple...

Page 28: ...28 MAINTENANCE AND SERVICING Figure 2 All Models...

Page 29: ...30 33 F21120 33 CS1260X4 Furnace Chamber Complete 240V F21120 F21120 33 F21130 F21130 33 CS1260X3 Furnace Chamber Complete 120V F21125 F21135 Ordering Procedures Ordering Procedures Please refer to th...

Page 30: ...Ref Description No C1 Capacitor C2 Capacitor Line Filter CN1 Control F1 Fuse F2 Fuse H1 Heating Element M1 Meter P1 Cycle Light Amber S1 Switch TB1 Terminal Block TB2 Terminal Block TC Thermocouple WH...

Page 31: ...135 WIRING DIAGRAMS Ref Description No F1 Fuse F2 Fuse H1 Heating Element P1 Cycle Light Amber S1 Switch TB1 Terminal Block TB2 Terminal Block TB3 Terminal Block TC Thermocouple WH1 Cable T C Extensio...

Page 32: ...inconsistent with written operating instructions for the product mishandling contamination overheating modification or alteration of the product by any customer or third party or iii use of replacemen...

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