PAUSED LAMP SWITCH KILN OFF! MIMIC DISPLAY To reset the ST325 turn off the power to the instrument and have the fault CONTROL investigated and rectified by your installer or kiln service engineer. KEYS Note: these error messages are provided to detect kiln faults and so offer some protection to the kiln.
°C/hr exceeded an installer selectable (10 - 999 firing hours) limit. hr.min If the keyboard is locked then press the & keys together & hold down for 5 seconds to unlock Page ST325 User Handbook ST325 User Handbook Page 3...
The fan then turns off and • Mains power switch stays off until the end of the program. • Micro-SD memory card reader Page ST325 User Handbook ST325 User Handbook Page 21...
Press the key. ST325’s serial number. hr.min Next displayed is the thermocouple type to which the ST325 is set. This thermocouple type setting should match the type of thermocouple fitted to The damper close temperature is now °C the kiln and can be R, S, K or N type.
The ramp rate is settable in the range 1°C/hour to 999°C/hour or FULL The ST325 has a relay output that can be configured (see installation instructions) as not used, a damper control output, a fan control output or an event output.
Page 7
ST325 or the program data cannot be altered by un-authorised people. then displays the ramp rate in the range The ST325 can be locked when it is idle (not firing) or while it is firing. It °C 1 to 999°C/hr or FULL or End. This can be cannot be locked while it is being programmed.
Page 8
°C/hr and the display scrolls PAUSed. The The ST325 asks you to input the ramp rate before it asks for the soak PAUSED lamp to the bottom left of temperature so if the (still to be set) soak temperature in the current segment is hr.min...
Adjusting While Firing Sample Ceramics Programs Firing values can be adjusted while the ST325 is firing. Also there are pro- Program Name Segment 1 Segment 1 Segment 1 Segment 2 Segment 2 Segment 2 Segment 3 Ramp Rate Soak Temp...
Page 10
This section only applies to multi-zone (2 or 3 zones) kilns. A single zone Kiln too slow kiln will always show the temperature of zone 1 only. If the ST325 is programmed to heat the kiln at a faster rate than the kiln is For multi-zone kilns the temperature of °C...
Page 11
°C/hr The display alternates between showing To return the ST325 back to idle condition ready for the next firing press the START/ hr.min kiln temperature... STOP key (or turn off the power to the instrument).
Page 12
00:20 FULL 00:30 00:00 The ST325 is provided pre-programmed with the sample Bullseye™ is a registered trademark of the Bullseye Glass programs shown above which may be modified as required. Company (www.bullseyeglass.com). These programs were kindly provided by Kilncare Ltd (www.kilncare.co.uk) and The Creative Glass Guild...
Need help?
Do you have a question about the ST325 and is the answer not in the manual?
Questions and answers