2 alarm table – EVCO c-pro nano CHIL User Manual
Page 135

C-PRO NANO CHIL AND C-PRO MICRO CHIL – APPLICATION MANUAL
Pag. 135
7.2
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 
AL13
Primary exchanger efficiency Circuit # 2
Manu
Keeps all circuit 
compressors OFF 
Settable delay
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 
AL22
Low-pressure pressure switch Circuit # 2
A/M
All circuit compressors 
and fans OFF 
Settable start-up 
delay and rpm 
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 
AL42
Transducer low pressure Circuit # 2
A/M
All circuit compressors 
OFF 
Settable start-up 
delay and rpm 
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 
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. 
AC21
Thermal switch compressor # 1
A/M
Compressor # 1 OFF
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
Settable delay
AP21
Thermal switch pump # 1
A/M
Pump # 1 OFF (*¹)
AP22
Thermal switch pump # 2
A/M
Pump # 2 OFF (*¹)
AF21
Thermal switch fan Circuit # 1
A/M
Fan # 1 OFF
AF22
Thermal switch fan Circuit # 2
A/M
Fan # 2 OFF
Settable delay
AC01
Operating hours compressor # 1
Auto
Display only
AC02
Operating hours compressor # 2
Auto
Display only
AC03
Operating hours compressor # 3
Auto
Display only
AC04
Operating hours compressor # 4
Auto
Display only
