Conair MPA, MPW PC-1 CONTROL FEATURES, Setpoint display, Run/Stop, Actual values display, Alarm

PC-1 CONTROL FEATURES

All normal operating functions can be controlled from the microKool PC-1 control panel.

Setpoint display

The Setpoint display shows the setpoints entered for fluid temper- ature, high and low temperature deviation alarms, the SPI baud rate, and the SPI address.

Setpoint and Actual value display windows also display some alarm codes and setup instructions.

Run/Stop

Press the RUN button to start normal operation. Press STOP to stop the unit.

=Running (green)

=Stopped (red)

=Alarm (red, flashing)

Actual values display

The green window displays the temperature at the middle of the process. This is calculat- ed as an average of the process fluid tem- peratures at the chiller inlet and outlet.

The lights indicate whether the temperature is in degrees Fahrenheit or Celsius. See the INSTALLATION section for instructions on how to change the temperature units.

Setpoint Select button

Press repeatedly until a green light appears next to the parameter you want to program or view.

NOTE: Default settings for the deviation setpoints are:

High = setpoint + 10° F Low = setpoint - 10° F

A warning alarm occurs (indicator light red) whenever the actual temperature is outside this setpoint range for more than 15 min- utes. Recommended setting: ± 2-10° F.

	Status lights
	The lights indicate the oper-
	ating status of the listed
	components. Except in Test
	Mode, the lights indicate:
	= Off or inactive
	= On or active (green)
	= Alarm condition (red)
	Test Mode is used for test-
	ing displays, keys and
	input/output functions. When
	test mode is enabled, nor-
	mal operation is disabled.
	= Test Mode off
Alarm	= Test Mode on (red);
Press to acknowledge the	unit disabled

alarm light and silence the optional audible alarm. The alarm light will flash until the cause of the alarm condition is fixed. See Troubleshooting for alarm descriptions and remedies.

Setpoint adjustment buttons

Press ▲ or ▼ to enter the process temperature setpoint, SPI parameters and passcodes.

Press ▲ to increase a value. Press ▼ to decrease a value.

TIP: Press and hold the button for faster scrolling speed.

NOTE: Passcode protection prevents accidental or unauthorized changes to all operating parameters. If passcode protection has been enabled, you must enter the correct passcode to change the process temperature setpoint.

4-2 OPERATION microKool Portable Chillers UGH004/0999