PRO3 Top Mount Packaged Refrigeration System Outdoor
Rapid Parameter Set Selction (EZY)
The easy controller features the EZY parameter which is used to quickly choose a list of parameters, with corresponding values, for the control of the refrigeration system.
Table of Alarms and Signals
When an alarm is activiated, the display shows the corresponding message that flashes alternating with the temperature; if fitter and enabled, the buzzer and the alarm relay are also activiated.
All the alarms have automatic reset (that is, they stop when the causes are no longer present), except for alarm 'CHt' which has manual reset (instrument on/off using the UP button or by discon- necting the power supply).
NOTE:
•to restore the slected rapid parameter set at any time, turn the controller off and on again, while holding SET. The desplay shows "CE" to indicate that the selected rapid set (EZY= 1, 2, 3) has again over written the operating parameters, thus restoring the original set of paremters;
•to restore all the parameters and return to the original default values (factory settings), turn the controller off and on again while holding DOWN and SET, until the display shows "CF". Use this procedure with extreme car, as it may compromise the fundamental control settings;
•EZY= 0 brings no change
Pressing the SET button mutes the buzzer, while the code displayed and the alarm relay only go off when the causes of the alarm have been resolved. The alarm codes are shown in the able below:
3. Controllers
Alarm | Buzzer and Alarm Relay | LED | Alarm Description | Reset | Enable Alarm |
Code | parameters involved | ||||
E0 | active | ON | probe 1 error= control | automatic | – |
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E1 | not active | ON | probe 2 error= defrost | automatic | d0= 0 / 1 / 4, F0= 1 |
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E2 | not active | ON | probe 3 error= condenser/ product | automatic | [A4=10] |
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IA | active | ON | external alarm | automatic | [A4 = 1] [+A7] |
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dOr | active | ON | open door alarm | automatic | [A4 = 7/8][+A7] |
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LO | active | ON | low temperature alarm | automatic | [AL] [Ad] |
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HI | active | ON | high temperature alarm | automatic | [AH] [Ad] |
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EE | not active | ON | unit parameter error | not possible | – |
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EF | not active | ON | operating parameter error | manual | – |
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Ed | not active | ON | defrost ended by timeout | on first defrost ended | [dP] [dt] [d4] [A8] |
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dF | not active | OFF | defrost running | automatic | [d6=0] |
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cht | not active | ON | dirty condenser | automatic | [A4=10] |
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CHt | active | ON | dirty condenser alarm | manual | [A4=10] |
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EtC | not active | ON | clock alarm | by setting the time | if bands active |
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