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Sentry Express Digital Temperature Controller 

12

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©2011 The Bell Group, Inc. All rights reserved.

Shorthand Instructions

These  instructions  may  be  confusing  until  you  have  read  more  detailed  instructions  on  single  Single  Segment,  page  5,  or 
Ramp-Hold, page 7. Read the safety guidelines, page 2. After pressing 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 temperature)

  HLd    

    

 

Enter hold time

  00.00  

 (or hold time)

    Strt    

   -O n -  

  The kiln is now fi ring

Ramp-Hold

Keys to Press

Display

   IdLE   

  SPd1  

 

thru

 

  Pro4  

 

  

(Not Down Arrow) 

   Pro1  

 

 Select Program #1, 2, 3, or 4

  rA    1 

 

    

 

Enter Segment 1 rate

   500    

 

 (Sample rate)

  °F    1  

 or 

  °C    1  

    

 

Enter temperature

  1900  

 

 (Sample temperature)

  HLd 1  

Enter hold time

  00.00  

 (or hold time)

 

First segment not needed: enter a rate of 0000.

    Strt    

   -O n -  

  The kiln is now fi ring

Содержание Sentry Express

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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