1
6 Controller Operation
Press “SET” to accept the new selection and access the set-point value.
S
Accept selected set-point memory.
6.2.2 Set-point Value
The set-point value may be adjusted after selecting the set-point memory and pressing “SET”.
4. 200.
Set-point 4 value in °C
If the set-point value need not be changed then press “EXIT” to resume displaying the well
temperature. To change the set-point value, press “SET” and then press “UP” or “DOWN”.
220.0
New set-point value
When the desired set-point value is reached press “SET” to accept the new value and access the
temperature scale units selection. If “EXIT” is pressed instead then any changes made to the
set-point will be ignored.
S
Accept new set-point value
6.3
Temperature Scale Units
The temperature scale units of the controller maybe set by the user to degrees Celsius (
°
C) or
Fahrenheit (
°
F). The units are used in displaying the well temperature, set-point, and propor-
tional band.
Press “SET” after adjusting the set-point value to change display units.
Un=C
Scale units currently selected
Press “UP” or “DOWN” to change the units.
Un=F
New units selected
6.4
Scan
The scan rate can be set and enabled so that when the set-point is changed the dry-well heats or
cools at a specified rate (degrees per minute) until it reaches the new set-point. With the scan
disabled the dry-well heats or cools at the maximum possible rate.
6.4.1 Scan Control
The scan is controlled with the scan on/off function that appears in the main menu after the
temperature scale units.
Sc=OFF
Scan function off
Press “UP” or “DOWN” to toggle the scan on or off.
Sc=On
Scan function on
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