Table of Contents
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Summary of Contents for Stafford Instruments ST215
- Page 1 TAFFOR ST215 ST215 Temperature Programmer User Handbook www.staffordinstruments.co.uk See separate handbook for Installation Instructions Issue: 2.01 ST215 User Handbook Page © Copyright 2014 - 2017 Stafford Instruments Ltd. Date: 09 Feb 2017...
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Page 2: At A Glance
At a Glance TEMPERATURE MAIN ICON DISPLAY RAMP RATE ICON TIME ICON KILN HEATING INDICATOR SEGMENT DISPLAY MIMIC DISPLAY FIRING INDICATOR START/STOP KEY CONTROL KEYS FUSE POWER ON/OFF SWITCH Page ST215 User Handbook... -
Page 3: Quick Start Guide
To exit the programming mode either wait 20 seconds or press the ►n key to start firing If the keyboard is locked then press the ▲ & ▼ keys together & hold down for 5 seconds to un- lock ST215 User Handbook Page... -
Page 4: Table Of Contents
Program pause and advance facilities · Keyboard lockable · Delayed start facility - up to 99 hours 59 mins · Power failure recovery · Energy used display · Setpoint display · Alarm buzzer & alarm output · °C/°F operation Page ST215 User Handbook... -
Page 5: Turning On
LOCKED. To re-lock the keyboard press the ▲ & ▼ keys together & hold down for 5 seconds. If any mimic panel lamps are on then the ST215 is firing. To stop the firing press the ►n key. During firing the right-hand decimal point will light to show when heating power is being applied to the kiln. -
Page 6: Programming
(crystal glazing or glass- making for example). The ST215 ramps the kiln temperature at the required ramp rate until the kiln reaches the soak / target temperature. It then soaks (dwells) at the soak tem- perature for the soak period. - Page 7 Note 2: to exit programming without cycling through all of the above steps wait 20 seconds without pressing any keys - the ST215 will revert to the idle display. Alternatively press the ►n key to exit programming and to begin firing immediately.
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Page 8: Firing
ST215 will apply heating power to the kiln for 12 seconds every 30 seconds. The kiln heating indicator will light for 12 seconds every 30 seconds. If the kiln has a contactor then a loud click will be heard both when the kiln heating indicator lights up and when it goes out. -
Page 9: Cooling
When the kiln has cooled to less than 40°C the display alternates every 5 seconds between the kiln temperature and End. To return the ST215 back to idle condition ready for the next firing press the ►n key (or turn off the power to the instrument). -
Page 10: Operating Notes
Operating Notes Kiln too slow If the ST215 is programmed to heat the kiln at a faster rate than the kiln is capable of then the ST215 will turn on full power then wait until the kiln tem- perature has risen to the correct temperature before proceeding to the next ramp or soak segment. -
Page 11: Adjusting While Firing
The effect of this is as follows:- If ramping then the ST215 will switch to soak at the current kiln temperature. If soaking then the ST215 will advance to the next segment if any, or else it will end the firing. -
Page 12: Error Messages
Error Messages If the ST215 detects a problem the buzzer will sound and an error message will be displayed. This error message will alternate with a display of kiln temperature. The segment number display will show where the error occurred. - Page 13 All these error messages cause the ST215 to terminate the firing. The alarm buzzer will sound once per second. To reset the ST215 turn off the power to the instrument and have the fault investigated and rectified by your installer or kiln service engineer.
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Page 14: Other Features
ST215 is currently trying to achieve). Keyboard Lock Facility The keys on the ST215 can be locked so that pressing them has no effect. This is an anti-tamper feature used to ensure that the operation of the ST215 or the program data cannot be altered by un-authorised people. -
Page 15: Sample Ceramics Programs
Stoneware firings will also demonstrate the greatest potential differences between heatwork and indicated temperature. ST215 User Handbook Page... -
Page 16: Sample Glass Programs
Page ST215 User Handbook...
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