CLEAN ROOM DEVICES CRD216SS Operation Manual page 18

Function Key
4.4 TEMPCO Temperature Controller
• To set the controller to "Auto Tune" Mode:
Press the "Function" key four times. The unit should display "A--t".
1.
Press and hold the "Function" key until the display flashes.
2.
If the "Function" key is pressed again, the unit will return to the normal temperature/set
3.
display screen – it will no longer be in Auto Tune Mode.
4.
The unit will Auto Tune the controllers. The heat level will go up and down, until the
until the unit calibrates and stabilizes. The procedure will take about 10-15 minutes.
Raise Temperature
Figure 4.3.1
18
Lower Temperature