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Sentry Express Digital Temperature Controller

Temperature Display

No Display Dot: 

Temperature 

display in °F.

Right-Hand Display

 

Dot:

Temperature display is in °C. See 

page 7 for instructions on select-

ing °F or °C.

START/STOP Key

1) On/Off :

 

Starts and 

stops a fi ring.

2) Enter Data:

 

Press after 

each programming step. It 

works like the Enter key on 

a computer.

Down Arrow Key

1) Lowers Numbers
2) Reviews a Program:

 

From 

IdLE

 or during fi ring, 

press Down Arrow. The 

program you have selected 

will appear one step at a 

time. 

3) Delays a Firing:

 

From 

Strt

 press Down Arrow. 

°F

°C

°C Display Dot

Time Display

Center Display Dot: 

Sepa-

rates hours from minutes. 

Example: Display shown above is 

1 hour and 30 minutes.

Indicator 

Lights

Top: 

On during 

programming.

Middle: 

On 

during program 

review.

Bottom: 

Blinks 

during fi ring.

Up Arrow Key

1) Raises Numbers
2) Select a Firing Mode:

 

From 

IdLE

 press 

START

Press Up Arrow to select 

Single-Speed or Ramp-

Hold.

3) Skips a Segment:

 

During a Ramp-Hold fi ring,  

skips to next segment. 

After pressing the Up 

Arrow, 

SStP

  will appear. To 

skip, press Up Arrow again. 

Courtesy of: 

Paragon Industries, L.P.

Summary of Contents for Sentry Express

Page 1: ...ram From IdLE or during firing press Down Arrow The program you have selected will appear one step at a time 3 Delays a Firing From Strt press Down Arrow F C C Display Dot Time Display Center Display...

Page 2: ...ailure 9 PF 2 Power Failure 9 tC Thermocouple Failure 9 Selecting F or C Display 9 Display Messages 10 Trouble Shooter 10 Problem Controller display is blank No heat in kiln 10 Problem Controller disp...

Page 3: ...because the numbers scroll below 0000 to the highest number and vice versa Examples To program a 99 59 hour Hold when the display shows 00 00 press the Down Arrow once To program a FULL rate when the...

Page 4: ...o miles per hour In summary the controller does three basic tasks 1 It fires at a controlled heating rate or speed mea sured in degrees of temperature change per hour 2 It fires to a target temperatur...

Page 5: ...F 555 C rate per hour List continues on next page Single Segment Programming Instructions Note Single Segment firing is all you will ever need if you are only going to a temperature and holding 1 Fro...

Page 6: ...dy to fire a different program select PrO2 which is Program 2 Then enter temperatures heating rates etc Select Program 3 and 4 the same way A program can have up to 8 segments but you don t have to us...

Page 7: ...ss START Ignore SPd1 SPd5 3 rA 1 will appear Enter firing rate tempera ture change per hour for segment 1 1 slowest rate 1799 F 999 C full power Then press START 4 F 1 or C 1 and the target temperatur...

Page 8: ...Segment 3 lowers the temperatures to 800 F 426 C the typical casting temperature for silver Most types of gold cast at 900 F 482C Note Casting temperature depends on the size of the mold The temperatu...

Page 9: ...FtL Firing Too Long This message appears when both of the following conditions are met The temperature rise or fall is less than 27 F 15 C per hour The firing is 4 hours longer than programmed See Con...

Page 10: ...s when you press the Up Arrow key during a Ramp Hold firing If you press the Up Arrow again the fir ing will skip out of a segment into the next segment STOP The firing was stopped by pressing START S...

Page 11: ...Power Output Test Is the controller sending voltage to the relay Test OUTPUT with a voltmeter 1 UNPLUG kiln disconnect the power Remove the 4 screws holding the controller faceplate to the switch box...

Page 12: ...sing the keys in left column the center message will appear Single Segment Keys to Press Display IdLE SPd1 thru PrO4 Not Down Arrow Select rate SPd1 Sample rate F or C Enter temperature 1900 Sample te...

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