19
CAUTION: The INFINITY should be serviced only by qualified service technicians. Be sure to
unplug the power cord and wait for the furnace to cool before performing any service oper-
ation. For help with operating or servicing your Jelrus equipment, please call Jelrus any
time between 9:00am and 5:00pm Eastern time.
.
Toll .Free: .
.
1-800-AIR-TECH .(1-800-247-8324)
TEMPERATURE CALIBRATION
Infinity .Multi-Stage .Burnout .Furnaces .come .complete .with .temperature .Calibration .Tablets .(2) .which .accurately .
melt .at .1500
°
F .(816
°
C) . .(Re-Order .Calibration .Tablet .Kit .- .PN .15291) .
Your .Infinity .is .factory .calibrated . .It .is .not .necessary .to .re-calibrate .on .installation . .If .it .becomes .necessary .to
re-calibrate .in .the .future, .use .the .following .calibration .procedure .
Temperature Calibration with Calibration Tablets
.(Figure .3)
1 . . .Place .a .short .metal .casting .ring .
towards the front center
.of .the .chamber .
2 . . .Place .a .ceramic .tray .or .a .small .piece .of .casting .ring .lining .material .on .top .of .the .ring . .Place .a .tablet . . . .
. . . . .in .the .center .of .the .tray .
3 . . .Program .the .Infinity .as .follows:
HEAT RATE
TEMP
HOLD TIME
STAGE 1
FULL .
1200
°
F .(649
°
C) .
0:05
STAGE 2
25
°
F .(14
°
C) .
1700
°
F .(927
°
C) .
0:00
STAGE 3
NO .
* .
*
STAGE 4
NO .
* .
*
*Though .any .number .may .appear, .the .unit .is .deativated .when .“NO” .is .selected .for .HEAT .RATE .
4 . . .Close .the .furnace .door .and .press .START ./ .STOP .
5 . . .When .the .furnace .temperature .attains .1400
°
F .(760
°
C) .as .indicated .on .the .Main .display, .open .the .
. . . . .furnace .door .slightly .and .begin .to .check .for .the .melting .of .the .of .the .tablet . . .Continue .to .do .this .at .each .
. . . . .25
°
F .(14
°
C) .interval, .opening .the .furnace .door .just .enough .to .determine .at .a .quick .glance .if .the . . . . .
. . . . .tablet .has .begun .to .liquify .at .the .edges .
SERVICE
