Sterling GP Series specifications Controller Setpoints, Operator

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

GP Series Portable Chillers Chapter 4: Operation 28 of 44