Table 5 - History events record
No Message Reset Type Unit status Description
No History Auto Unit On No alarm was recorded
Air Sensor Auto Unit Off
Water In Sensor Auto Unit On
Water Out Sensor Auto Unit Off
Lp Sensor Ckt1 Auto Circuit 1 Off
Hp Sensor Ckt1 Auto Circuit 2 Off
Lp Sensor Ckt2 Auto Circuit 1 Off
Hp Sensor Ckt2 Auto Circuit 2 Off
Fan Protection 1 Auto Unit On A fan on the circuit 1 is faulty
Fan Protection 2 Auto Unit On A fan on the circuit 2 is faulty
Lp Ckt1 fault Auto or Manual Circuit 1 Off
Lp Ckt2 fault Auto or Manual Circuit 2 Off
Low Water Temp Manual Unit Off LWT < antifreeze or INT (antifreeze-EWT)<=10°Cxsecond
Comp. A1 Fault Auto or Manual CMP A1 Off
Comp. B1 Fault Auto or Manual CMP B1 Off
Comp. C1 Fault Auto or Manual CMP C1 Off
Comp. A2 Fault Auto or Manual CMP A2 Off
Comp. B2 Fault Auto or Manual CMP B2 Off
Comp. C2 Fault Auto or Manual CMP C2 Off
Hp Ckt1 Fault Manual Circuit 1 Off High pressure switch Cut-Out circuit 1
Hp Ckt2 Fault Manual Circuit 2 Off High pressure switch Cut-Out circuit 2
Ckt1 Fault Manual Circuit 1 Off Simultaneous faults compressor A1 and (B1 or C1)
Ckt2 Fault Manual Circuit 2 Off Simultaneous faults compressor A2 and (B2 or C2)
Unit Fault Manual Unit Off Simultaneous faults on all the compressors
Ext Setpoint Signal Auto Unit Off
Low Ambient Auto Unit Off Air temperature below the setpoint while unit On
Water Pump 1 Manual Unit On Fault on water pump #1
Water Pump 2 Manual Unit On Fault on water pump #2
Water Flow Auto Unit Off
Defrost Ckt1 Auto Unit On Defrost on circuit 1
Defrost Ckt2 Auto Unit On Defrost on circuit 2
Faulty sensor, out of range -30..+80°C
(short circuit or open circuit)
Faulty sensor, out of range -30..+80°C
(short circuit or open circuit)
Faulty sensor, out of range -30..+80°C
(short circuit or open circuit)
Faulty sensor, out of range 0..10V, 0..1V,0..20mA or 4..20mA
following configuration
Faulty sensor, out of range 0..10V, 0..1V,0..20mA or 4..20mA
following configuration
Faulty sensor, out of range 0..10V, 0..1V,0..20mA or 4..20mA
following configuration
Lp circuit 2 is below the setpoint. Manual reset after 3 faults
within 1 hour
Lp circuit 1 is below the setpoint. Manual reset after 3 faults
within 1 hour
Faulty sensor, out of range 0..10V, 0..1V,0..20mA or 4..20mA
following configuration
Loss of water flow for more than 4 sec when the system is On.
Pump restarts by a manual unit Off and On
Alarms
24 CG-SV01B-E4
Faulty sensor, out of range 0..10V, 0..1V,0..20mA or 4..20mA
following configuration
Manual reset if CMP C2 failure > 35 min or 6 failures within
3 hours 30 min
Manual reset if CMP B2 failure > 35 min or 6 failures within
3 hours 30 min
Manual reset if CMP A2 failure > 35 min or 6 failures within
3 hours 30 min
Manual reset if CMP C1 failure > 35 min or 6 failures within
3 hours 30 min
Manual reset if CMP B1 failure > 35 min or 6 failures within
3 hours 30 min
Manual reset if CMP A1 failure > 35 min or 6 failures within
3 hours 30 min
