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General| Category | Control Unit |
|---|---|
| Model | CLIMATIC II |
| Compatibility | Lennox HVAC Systems |
| Type | Thermostat |
| Temperature Increment | 1°F |
| Mounting | Wall Mount |
Manages compressor start-up and stop to avoid anti-short cycle.
Controls evaporator filling for efficiency and compressor protection.
Ensures refrigeration while optimizing free-cooling and limiting consumption.
Stages units to adjust cooled fluid temp precisely.
Input/output chilled water temp sensor outside authorized range.
Flow switch detects insufficient flow in evaporator for over 2 seconds.
Flow switch detects insufficient flow in condenser for over 3 seconds.
Phase controller tripped, detects inversion or bad phase coupling.
Low pressure remains lower than safety limits on circuit n.
Evaporation temperature too low, risking freezing.
Superheat level is insufficient for proper operation.
Expansion valve opening not reached during pre-heat phase.
Thermomagnetic cut-out switch on compressor tripped.
Oil pressure insufficient for proper compressor lubrication.
High pressure safety cut-out on compressor tripped.
Discharge temperature on compressor stays over 120°C.
Thermal protection on motor windings tripped.
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