Temperature Glaze. Stoneware Glaze is also suitable for Porcelain. DELAYED On Glaze Enamel is also suitable for some enamelling work. START LAMP Heavy Sculpture is also suitable for Terracotta. RAMP 1 LAMP Page ST312 User Handbook ST312 User Handbook Page 19...
To review firing data press the key to enter the The keys on the ST312 can be locked so that pressing them has no effect. programming menu This is an anti-tamper feature used to ensure that the operation of the ST312 or the program data cannot be altered by un-authorised people.
Firing ............9 SWITCH KILN OFF! Cooling ............13 To reset the ST312 turn off the power to the instrument and have the fault Adjusting While Firing....... 14 investigated by your installer or kiln service engineer to rectify the fault.
Err2 wiring open circuit. Get thermocouple °C/hr and wiring checked. Have thermocouple Next displayed is the thermocouple type to which the ST312 is set. This hr.min replaced if necessary. thermocouple type setting should match the type of thermocouple fitted to the kiln and can be R, S, K or N type.
As a warning during pause a double PAUSED The ST312 ramps the kiln temperature at ramp rate 1 until the kiln reaches beep is sounded every 10 seconds, temperature t1. It then ramps the kiln temperature to the soak temperature the display scrolls PAUSed for 5 at ramp rate 2.
Altering the program Adjusting While Firing When the ST312 is not firing there are no lamps lit on the mimic panel, the run lamp is off and the display shows the kiln temperature with the °C Firing values can be adjusted while the ST312 is firing. Also there are indicator lit.
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Note: to exit programming without cycling through all of the above steps wait 10 To return the ST312 back to idle condition ready for the next firing press seconds without pressing any keys—the ST312 will revert to the idle display.
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To start a firing press the START/STOP key. The RUN lamp will light. If the ST312 is programmed to heat the kiln at a faster rate than the kiln is To stop the firing prematurely press the START/STOP key again.
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Program Record Sheet Ramp 1 Ramp 2 Soak Temp Soak Time Program Description °C/hr °C °C/hr °C hr.min Page ST312 User Handbook ST312 User Handbook Page 11...
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