Alarms
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 | Faulty sensor, out of range |
|
|
|
| (short circuit or open circuit) |
|
Water In Sensor | Auto | Unit On | Faulty sensor, out of range |
|
|
|
| (short circuit or open circuit) |
|
Water Out Sensor | Auto | Unit Off | Faulty sensor, out of range |
|
|
|
| (short circuit or open circuit) |
|
Lp Sensor Ckt1 | Auto | Circuit 1 Off | Faulty sensor, out of range 0..10V, 0..1V,0..20mA or | 4..20mA |
|
|
| following configuration |
|
Hp Sensor Ckt1 | Auto | Circuit 2 Off | Faulty sensor, out of range 0..10V, 0..1V,0..20mA or | 4..20mA |
|
|
| following configuration |
|
Lp Sensor Ckt2 | Auto | Circuit 1 Off | Faulty sensor, out of range 0..10V, 0..1V,0..20mA or | 4..20mA |
|
|
| following configuration |
|
Hp Sensor Ckt2 | Auto | Circuit 2 Off | Faulty sensor, out of range 0..10V, 0..1V,0..20mA or | 4..20mA |
|
|
| following configuration |
|
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 circuit 2 is below the setpoint. Manual reset after 3 faults | |
|
|
| within 1 hour |
|
Lp Ckt2 fault | Auto or Manual | Circuit 2 Off | Lp circuit 1 is below the setpoint. Manual reset after 3 faults | |
|
|
| within 1 hour |
|
Low Water Temp | Manual | Unit Off | LWT < antifreeze or INT | |
Comp. A1 Fault | Auto or Manual | CMP A1 Off | Manual reset if CMP A1 failure > 35 min or 6 failures within | |
|
|
| 3 hours 30 min |
|
Comp. B1 Fault | Auto or Manual | CMP B1 Off | Manual reset if CMP B1 failure > 35 min or 6 failures within | |
|
|
| 3 hours 30 min |
|
Comp. C1 Fault | Auto or Manual | CMP C1 Off | Manual reset if CMP C1 failure > 35 min or 6 failures within | |
|
|
| 3 hours 30 min |
|
Comp. A2 Fault | Auto or Manual | CMP A2 Off | Manual reset if CMP A2 failure > 35 min or 6 failures within | |
|
|
| 3 hours 30 min |
|
Comp. B2 Fault | Auto or Manual | CMP B2 Off | Manual reset if CMP B2 failure > 35 min or 6 failures within | |
|
|
| 3 hours 30 min |
|
Comp. C2 Fault | Auto or Manual | CMP C2 Off | Manual reset if CMP C2 failure > 35 min or 6 failures within | |
|
|
| 3 hours 30 min |
|
Hp Ckt1 Fault | Manual | Circuit 1 Off | High pressure switch |
|
Hp Ckt2 Fault | Manual | Circuit 2 Off | High pressure switch |
|
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 | Faulty sensor, out of range 0..10V, 0..1V,0..20mA or 4..20mA | |
|
|
| following configuration |
|
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 | Loss of water flow for more than 4 sec when the system is On. | |
|
|
| Pump restarts by a manual unit Off and On |
|
Defrost Ckt1 | Auto | Unit On | Defrost on circuit 1 |
|
Defrost Ckt2 | Auto | Unit On | Defrost on circuit 2 |
|
24 |
