ProCal Manual - Whip Mix

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ProCal Operating InstructionsSection B — High Fusing AdjustmentsCalibration – High Fusing AdjustmentBoth the Password = 250 Idle temperature AND the Highand Low Fusing Adjustments always reference back tothe stored Factory Calibration point, not the previouslystored adjustment.If we answer yes, we can input an Overfire value, ifwe answer No, we're actually saying that the furnacewas Underfiring, not Overfiring.What this means is that when you set the IdleTemperature in the Password = 250 mode to an Idletemperature of 850ºC the furnace takes the muffle to thetemperature corresponding to the value it saw when itwas calibrated at 850ºC at the factory.Lets say that the ProCal reads 855ºC when furnacereads 850, a 5 degree overfire (relative to the last factorycalibration point).2. In this example we were Overfiring by 5 degrees, sowe answer Yes and press Next button.You need to go into the Special Functions \ Calibration -High Fusing Temperature Fusing adjustment and dialin an offset which will result in User Programs firing5 degrees lower at 850ºC.1. You would press Special Functions, rotate the knobto Calibration–High Fusing, and press the Nextbutton.Press Special Functions ButtonRotate Knob to “Cal – High Fusing”, Press Next Thefurnace would display “High Fusing – Overfires?” onthe top line and Yes or No on the second line.3. The furnace will now display the last knownOverfiring fusing adjust entry value; it might be 0, itmight be 50, IT DOES NOT MATTER WHAT IT SAYS.THE ONLY THING THAT IS IMPORTANT IS THEAMOUNT OF OVERFIRING YOU HAVE RIGHT NOW.Spin the dial to the desired value of 5 degrees ofOverfire adjustment and press Next button. Assoon as you press the Next button the CURRENTfusing offset value is stored to non-volatile memory(after erasing all previous values, either Overfire orUnderfire).If you are curious about what was previously storedyou can go into the Fusing Adjust mode, inspect thestored value and back out without altering the valueby pressing the Special Functions button [not theNext button].4. The next time you run a normal firing programwith a hold temperature above 800ºC the furnacewill automatically deduct 5 degrees from theprogrammed hold temperature and the actualtemperature will be accurate.11
ProCal Operating InstructionsAppendix – Special Functions Mode Menu SelectionsWhen you press the Special Functions button the firstmenu selections appear at the top below. As you rotatethe knob Clockwise, the sequence of selections is shownbelow, from top to bottom:Special Functions Menu1. Night Mode2. Change Idle Temp3. Set Vacuum Level4. Temp in C or F?5. Prog Start Delay6. Night Mode Temperature7. Constant vc Pump8. Sp Cool Position9. Capital Letters?10. Porcelain Names:11. Cal Low Fusing12. Cal High FusingHigh Overfires (Yes/No)?Overfires – confirm Yes with Next button, enteramount, press Next button.Underfires – rotate knob to No, confirm withNext button, enter amount, press Next button.13. Print Form14. Set Time & Date15. Programs > Box16. Programs > Box17. Test Furnace18. Calibrate OvenPassword – [rotate knob to 250], press Next buttonChange Idle TempNew Idle - xxx [enter temperature, press Next button]Last button gives chance to change temperatureagain, press Next after.12
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ProCal Manual - Whip Mix

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