4-5

Controller Setpoints

 

 

 

 

 

 

 

 

Variable

Description

Access Level

 

Operator

Supervisor

 

 

 

 

Leaving Temp

Temperature of fluid out to process

x

x

 

 

 

 

 

 

Hi Temp Warning

Setpoint for alarm to warn when leaving fluid

x

x

 

temperature is too high

 

 

 

 

 

Hi Temp Fault

Setpoint to shut down pump and compressor based on

x

x

 

leaving fluid temperature

 

 

 

 

 

Compressor On

Temperature Difference between Leaving Fluid

 

x

 

Differential

Temperature and Setpoint to turn on the compressor

 

 

 

 

 

Compressor Off

Temperature Difference between Leaving Fluid

 

x

 

Differential

Temperature and Setpoint to turn off the compressor

 

 

 

 

 

Pump Stop Delay

Delay time in seconds between fault and stopping the

 

x

 

pump

 

 

 

 

 

 

Low Temperature

Temperature to activate Low Temperature Warning

 

x

 

Warning

alarm

 

 

 

 

 

Low Temperature Fault

Temperature to activate Low Temperature Fault alarm

 

x

 

 

 

 

 

 

Water Make-up On

The tank level to turn on optional water make-up valve;

 

x

 

based on size of tank

 

 

 

 

 

 

Water Make-up Off

The tank level to turn off optional water make-up valve;

 

x

 

based on size of tank.

 

 

 

 

 

 

Water Make-up Time

The time in seconds that controller will allow for filling

 

x

 

the tank

 

 

 

 

 

 

Low Level Warning

Tank level that will activate Low Level Warning alarm

 

x

 

 

 

 

 

 

Low Level Fault

Tank level that will activate Low Level Warning fault

 

x

 

 

 

 

 

 

High Level Warning

Tank level that will activate High Level Warning alarm

 

x

 

 

 

 

 

 

High Level Fault

Tank level that will activate High Level Warning fault

 

x

 

 

 

 

 

 

High Temperature

Delay time in minutes between fault and stopping the

 

x

 

Delay

compressor and pump

 

 

 

 

 

Alarm Silence Time

Time in minutes to silence alarm (with optional audible

 

x

 

alarm). After time alarm will reactivate.

 

 

 

 

 

 

Operator Password

Time in minutes for operator password to be active

 

x

 

Time

 

 

 

 

 

 

Supervisor Password

Time in minutes for supervisor password to be active

 

x

 

Time

 

 

 

 

 

1.Set the Leaving Fluid temperature by depressing the button to display the menu.

Figure 12 - Menu Screen

GP Series Portable Chillers

Chapter 4: Operation

34 of 73

Page 33 Page 35
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Image 34
Sterling 882.93092.00 specifications Controller Setpoints, Menu Screen
Page 33 Page 35

882.93092.00 specifications

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