Sterling Refrigerator 882.93092.00 User Manual

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GP Series Portable Chillers 
Chapter 4: Operation 
29 of 64 
Elevated sound level and substantially reduced current draw indicate reverse 
rotation. After several minutes of operation, the compressor internal protector 
trips. 
4-3 Status 
Screens 
The controller has eight (8) preconfigured status screens.  The main status screen (shown in 
Figure 11) shows the main operating points of the chiller: Entering and Leaving fluid 
temperatures; Leaving fluid setpoint, pump discharge pressure, tank fluid level (depth), and 
percentage of hot-gas bypass output. 
 
Figure 11 - Main Status Screen 
Depressing 
 cycles through the following screens (shown below) – Analog I/O, Digital 
I/O, and Test.  The Analog and Digital I/O screens provide status of all of the inputs and 
outputs for the controller.  The Test aides in troubleshooting the chiller when it is not 
functioning properly by displaying the basic information that a service person will need to 
know to determine the problem.