Introduction
The easiest way to learn to operate your controller is to read this manual while you are sitting in front of your kiln. Press the keys as you read the instructions.
Do not worry if you hear a clicking noise during operation. Mechanical relays click as they turn the heating elements on and off. This is normal.
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troller has all the features in this manual.
Please read the manual. Damage caused by failure to follow instructions is not covered by warranty.
Once you learn the basic features of the Sentry Xpress, you will be able to control every stage of firing. This offers learning opportunities and convenience difficult to imagine with a
©2004, by Paragon Industries, L.P.
Contents
General Guidelines . . . . . . . . . . . . . . . . . 3
Time and Temperature Display . . . . . . . . . . . . . . . . . . . 3 Operation Begins from the IdLE Display. . . . . . . . . . . . 3 Thermocouple Inspection . . . . . . . . . . . . . . . . . . . . . . . 3 A Rapid Way to Scroll Numbers . . . . . . . . . . . . . . . . . . 4 Program Review & Repeat Firing . . . . . . . . . . . . . . . . . 4 Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Power Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 CPLt Message: Firing Completed . . . . . . . . . . . . . . . . . 4 Thunder Storms and Power Surges . . . . . . . . . . . . . . . 4 Canceling a New Program. . . . . . . . . . . . . . . . . . . . . . . 4
Theory of Operation . . . . . . . . . . . . . . . . 5
Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Two Firing Modes:
Temperature
Programming a Cooling Segment. . . . . . . . . . . . . . . . . 7
Advanced Features . . . . . . . . . . . . . . . . . 8
Skip Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Add Hold Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Editing the Target Temperature During Firing . . . . . . . 9
The Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Lost Wax Burnout . . . . . . . . . . . . . . . . . . 9
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Burnout Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Display Messages . . . . . . . . . . . . . . . . . 10 Error Messages . . . . . . . . . . . . . . . . . . . 11
bAdP / Bad Programming . . . . . . . . . . . . . . . . . . . . . . 11
EtH / Electronics Too Hot . . . . . . . . . . . . . . . . . . . . . . 11
FAIL / Thermocouple Failure . . . . . . . . . . . . . . . . . . . . 11
FE Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
FtL / Fired Too Long . . . . . . . . . . . . . . . . . . . . . . . . . . 12
HTdE / High Temperature Deviation . . . . . . . . . . . . . . 12
PF 1 / Power Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PF 2 / Power Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PF 3 / Power Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
tC / Thermocouple Failure . . . . . . . . . . . . . . . . . . . . . . 12
tCL / Thermocouple Lag . . . . . . . . . . . . . . . . . . . . . . . 12
tCr / Thermocouple Reversed . . . . . . . . . . . . . . . . . . . 12
Thermocouple Offset . . . . . . . . . . . . . . 11 Selecting °F or °C Display . . . . . . . . . . . 11 Trouble Shooter. . . . . . . . . . . . . . . . . . . 13
Controller display is blank. No heat in kiln.. . . . . . . . . 13 Controller display turns on. No heat in kiln. . . . . . . . . 14 Kiln switch box ½ amp fuses keep blowing.. . . . . . . . 15
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Shorthand Instructions . . . . . . . . . . . . . 16
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