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The calibration parameters are accessed by pressing “SET” after the name of
the parameter is displayed. The value of the parameter may be changed using
“UP” or “DOWN”. After the desired value is reached, press “SET” to set the
parameter to the new value. Pressing “EXIT” causes the parameter to be
skipped ignoring any changes that may have been made.
6.14.1 Hard Cutout (hot side only)
This parameter is the temperature above which the unit shuts down automati
-
cally and is only adjustable through the hot side. The value of this parameter is
set at the factory and cannot be changed by the user.
The hard cutout parameter is indicated by,
CutOut Flashes for one second and then the hard cutout setting is
displayed
670 Current hard cutout setting
Press “EXIT” to continue to the next parameter.
6.14.2 R0
This probe parameter refers to the resistance of the control probe at 0°C. The
value of this parameter is set at the factory for best instrument accuracy. The
value ranges from 95 to 105. The R0 parameter is indicated by,
r0 Flashes for one second and then the R0 setting is displayed
100.014 Current R0 setting (100.014)
To change the R0 setting, press “UP” or “DOWN”.
99.999 New R0 setting
To accept the new setting, press “SET”. Press “EXIT” to continue without stor
-
ing the new value.
S
Accept the new R0 setting
6.14.3 ALPHA
This probe parameter refers to the average sensitivity of the probe between 0
and 100°C. The value of this parameter is set at the factory for best instrument
accuracy. (The ALPHA value is the displayed value times 10
–7
.)
aLpHa Flashes for one second and then the ALPHA setting is
displayed
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6 Controller Operation
Calibration Parameters