Indicator | Name | Description |
| SUB 1 LED | The orange SUB1 LED lights when the process |
SUB1 |
| temperature is two degrees or more below the “To |
| Process” setpoint. The compressor then shuts | |
|
| |
|
| down by means of a latching circuit, and it does |
|
| not run again until the temperature at the “To |
|
| Process” thermocouple is two degrees above the |
|
| setpoint. |
| AutoTune Key | Press and hold the AT key for two seconds to |
AT |
| initiate or stop the |
|
| |
| Display Key | The functions of the Display key change based on |
|
| how long you press it. Press the Display key for |
|
| less than one (1) second to scroll through |
|
| parameters within the mode. |
| Down Arrow Key | Each press of the Down Arrow key decrements or |
|
| reduces values or settings on the SV display |
| Up Arrow Key | Each press of the Up Arrow key increments or |
|
| advances the values or settings on the SV display. |
Sterlco 2000 Controller |
| |
Indicator | Name | Description |
T | Process Value LED | During normal operation, the large red T LED on |
8.8.8.8 |
| the controller displays the actual process |
| temperature at the “To Process” thermocouple. It | |
|
| also lists parameter symbols during setup and |
|
| error messages if an error occurs |
SP | Set Value LED | During normal operation, the green SP LED on |
8.8.8.8 |
| the controller displays the process set point you |
| want the chiller to maintain. It also displays | |
|
| parameter and |
|
| up. |
| Index Key | Press the Index key for less than (1) second to |
|
| scroll through parameters within the mode. |
| Up Arrow Key | Each press of the Up Arrow key increments or |
|
| advances the values or settings on the SP display. |
| Down Arrow Key | Each press of the Down Arrow key decrements or |
|
| reduces the values or settings on the SP display. |
| Enter Key | Press the Enter key to verify or confirm an entry. |
Chapter 4: Operation | 30 of 78 |