EVCO S.p.A.
c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104
page 84 of 90
10.4 Alarm Table
All the alarms managed by the application are listed in the table below. The order of listing is the same order that the alarms are listed
when active.
Code Alarm description Type Result Notes
AL01 Low temperature input S/A
Warning only or
compressors and pump OFF.
Heat pump only
Settable delay
AL02 High temperature input S/A
Warning only or
compressors and pump OFF.
Chiller only
Settable delay
AL03 Primary exchanger efficiency Circuit #1 Manu
Keeps circuit compressors in
OFF mode
Settable delay
AL13 Primary exchanger efficiency Circuit #2 Manu
Keeps circuit compressors in
OFF mode
AL05 Evaporator flowmeter A/M
Compressors OFF
Pump ON for T-sec.
Settable delay
In manual arrest, pump OFF
AL11 High pressure switch Circuit #1 Manu
All the compressors of the
circuit OFF
AL12 High pressure switch Circuit #2 Manu
All the compressors of the
circuit OFF
AL21 Low pressure switch Circuit #1 A/M
All the compressors and fans
of the circuit OFF
Start-up delay and settable
rpm
AL22 Low pressure switch Circuit #2 A/M
All the compressors and fans
of the circuit OFF
AL31 Transducer High Pressure Circuit #1 Manu
All the compressors of the
circuit OFF
AL32 Transducer High Pressure Circuit #2 Manu
All the compressors of the
circuit OFF
AL41 Transducer Low Pressure Circuit #1 A/M
All the compressors of the
circuit OFF
Start-up delay and settable
rpm
AL42 Transducer Low Pressure Circuit #2 A/M
All the compressors of the
circuit OFF
AL51 Start-up failed due to low pressure Circuit #1 Auto
Keeps all OFF circuit
compressors in OFF mode
AL52 Start-up failed due to low pressure Circuit #2 Auto
Keeps all OFF circuit
compressors in OFF mode
AL61
Compressor gas discharge high temperature
Circuit #1
A/M
All the compressors of the
circuit OFF
Settable delay
AL62
Compressor gas discharge high temperature
Circuit #2
A/M
All the compressors of the
circuit OFF
AL81 Evaporator anti-freeze Circuit #1 Manu
Circuit compressors OFF and
pump ON for T-sec.
AL82 Evaporator anti-freeze Circuit #2 Manu
Circuit compressors OFF and
pump ON for T -sec.
AF20 Free-cooling external fan thermal switch A/M FC Fan OFF Settable delay
AC21 Compressor thermal switch #1 A/M Compressor # 1 OFF
Settable delay AC22 Compressor thermal switch #2 A/M Compressor # 2 OFF
AC23 Compressor thermal switch #3 A/M Compressor # 3 OFF
AC24 Compressor thermal switch #4 A/M Compressor # 4 OFF
AC25 Compressor thermal switch #5 A/M Compressor # 5 OFF
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