EVCO EPU2LXP1CH Installer manual - Manual (Page 93)

EVCO S.p.A. c-pro 3 micro CHIL | Application manual ver. 1.0 | Codice 144CP3CHE104
page 93 of 120
10.4 Alarm Table
All alarms managed by the application are listed below. The listing order is the same as the one in which alarms are listed when active.
Code Alarm description Type Consequence Notes
AL01 Input low temperature S/A
Notification only or
compressors and pump OFF
Heat pump only
Settable delay
AL02 Input high temperature S/A
Notification only or
compressors and pump OFF
Chiller only
Settable delay
AL03 Primary exchanger efficiency Circuit #1 Manu
Keeps all circuit compressors
OFF
Settable delay
AL13 Primary exchanger efficiency Circuit #2 Manu
Keeps all circuit compressors
OFF
AL05 Evaporator flow meter A/M
Compressors OFF
Pump ON for T-secs.
Settable delay
In manual stop, pump OFF
AL11 High-pressure pressure switch Circuit #1 Manu All circuit compressors OFF
AL12 High-pressure pressure switch Circuit #2 Manu All circuit compressors OFF
AL21 Low-pressure pressure switch Circuit #1 A/M
All circuit compressors and
fans OFF Settable start-up delay and
rpm
AL22 Low-pressure pressure switch Circuit #2 A/M
All circuit compressors and
fans OFF
AL31 Transducer high pressure Circuit #1 Manu All circuit compressors OFF
AL32 Transducer high pressure Circuit #2 Manu All circuit compressors OFF
AL41 Transducer low pressure Circuit #1 A/M All circuit compressors OFF Settable start-up delay and
rpm AL42 Transducer low pressure Circuit #2 A/M All circuit compressors OFF
AL51 Failed start-up for low pressure Circuit #1 Auto
Keeps all circuit compressors
OFF
AL52 Failed start-up for low pressure Circuit #2 Auto
Keeps all circuit compressors
OFF
AL61
High temperature discharge gas compressors
Circuit #1
A/M All circuit compressors OFF
Settable delay
AL62
High temperature discharge gas compressors
Circuit #2
A/M All circuit compressors OFF
AL81 Evaporator anti-frost Circuit #1 Manu
Circuit compressors OFF and
Pump ON for T-secs.
AL82 Evaporator anti-frost Circuit #2 Manu
Circuit compressors OFF and
Pump ON for T-secs.
AF20 Thermal switch external fan free-cooling A/M Fan FC OFF Settable delay
AC21 Thermal switch compressor #1 A/M Compressor # 1 OFF
Settable delay AC22 Thermal switch compressor #2 A/M Compressor # 2 OFF
AC23 Thermal switch compressor #3 A/M Compressor # 3 OFF
AC24 Thermal switch compressor #4 A/M Compressor # 4 OFF
AC25 Thermal switch compressor #5 A/M Compressor # 5 OFF
AC26 Thermal switch compressor #6 A/M Compressor # 6 OFF
AP21 Thermal switch pump #1 A/M Pump # 1 OFF If it is the only pump, turn
off all compressors and fans;
otherwise try to turn on the
other pump.
AP22 Thermal switch pump #2 A/M Pump # 2 OFF
AP23 Thermal switch source pump #1 A/M Source Pump # 1 OFF If it is the only pump, turn
off all compressors and fans;
otherwise try to turn on the
other pump.
AP24 Thermal switch source pump #2 A/M Source Pump # 2 OFF
AF21 Thermal switch fan Circuit #1 A/M Fan # 1 OFF
Settable delay
AF22 Thermal switch fan Circuit #2 A/M Fan # 2 OFF
AC01 Operating hours compressor #1 Auto Display only