Conair VL Series B.Operations, 3.3INSTRUMENT OPERATION A.GENERAL DESCRIPTION, B.Front Keypad

Models: VL Series

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B.OPERATIONS

B.OPERATIONS

1.Turn the thermostat to the highest setting.

2.Shift the illuminated toggle switch to the ‘ON’ position. The pump will begin operations. Note the reservoir level, if it drops below 3/4 full, add fluid.

3.Check the unit and process system for leaks. Repair any that are discovered.

4.Adjust the setpoint thermostat as required for the process.

5.Note, the compressor will start if the fluid temperature is above the selected setpoint temperature. When the compressor starts, listen for any knocking or other unusual noise. Report any unusual noise to the Service department and discontinue operations.

6.Do not operate the unit without all sheet metal enclosure panels secured.

7.Process flow is adjusted according to the pump motor amperage. This rating can be found on the pump motor data plate.

a.With all process valves fully open and with the pump motor operating, check amp draw with an amp meter and note findings.

b.Compare amp draw with pump motor rating. If excessive, partially close the from process valve to adjust motor amps.

3.3INSTRUMENT OPERATION

A.GENERAL DESCRIPTION

A.The EWPC 902/T/R/P controller is a new series of microprocessor-based and fully programmable process controllers for single point applications.

B.The front keypad of this controller offers several alpha- numeric menu prompts to configure the controller for each specific application).

B.FRONT KEYPAD

1.SET: push to display the setpoint value. The setpoint can be changed by using the “up” or “down” button. The control will automatically switch back to normal operating mode within 3 seconds. The last entered setpoint will stay in memory.

UGH020/0301

VL Series Portable Chillers, 0.25 to 1.5 Tons

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Conair VL Series manual B.Operations, 3.3INSTRUMENT OPERATION A.GENERAL DESCRIPTION, B.Front Keypad

FAQ

How do I adjust the thermostat?

Turn the thermostat to the highest setting and adjust the setpoint thermostat as required for the process.

What should I do if the reservoir level drops?

If the reservoir level drops below 3/4 full, add fluid as needed.

How do I configure the EWPC 902/T/R/P controller?

The front keypad of the controller offers alpha-numeric menu prompts to configure it for specific applications.