Conair 0.25 to 1.5 ton User's Guide download pdf (Page 69)

100

Alarm No.

ANSWERING

ALARMS

CONT’D

UGH017/0500 Series 1 Portable Chillers, PLC Control

TROUBLESHOOTING 6-5

The alarm information remains on the screen until the alarm

condition is corrected. Press the Alarm Silence/Reset button to

acknowledge the alarm condition and to turn off the optional

audible alarm.

Refer to the Troubleshooting tables to troubleshoot the alarm

condition(s). After correcting the condition, remove the alarm

from the screen.

Press and hold the Alarm Silence/Reset button for a minimum

of 3 seconds to remove alarm from screen.

Use the Alarm table for a description of each alarm:

Alarm

Low Tank Level

Flow Fault

Low Suction Pressure

High Discharge Pressure

Compressor Overload

Pump Overload

High Temperature Safety

Low Temperature Cutout

Description

The fluid level in the pump tank is low.

There is low flow of the process fluid at the pump

discharge.

The refrigerant pressure, as measured at the inlet

of the compressor is low.

The refrigerant pressure, as measured at the

compressor outlet is high.

There is a high amperage condition; the compres-

sor is drawing too much current.

There is a high amperage condition; the pump is

drawing too much current.

The To Process fluid temperature is above 95 °F,

or the To Process fluid temperature is above 75 °F

after the compressor has been running for five

minutes at startup.

If the To Process fluid temperature falls below the

low temperature cutout, the compressor shuts off

to allow the temperature to rise.

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Conair 0.25 to 1.5 ton User's Guide Page 69

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