| Document type | Service Information Letter |
|---|---|
| Document number | SI0265 |
| Equipment | YK Centrifugal Chiller |
| Brand | YORK |
| File size | 0.2 MB |
Fault codes in this document
Subcooler Tube Freeze Prevention Logic
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| Warning – Condenser – Freeze Threat From Low Pressure | Panel warning of a potential condenser/subcooler tube freeze threat while the chiller is stopped. | The chiller is Stopped and the Saturated Condenser Temperature falls below 35.0 °F. | This warning will automatically reset whenever the chiller is running or the Saturated Condenser Temperature is > 40.0 °F. | 2 |
| Condenser – Freeze Threat – Flow Switch Open | Panel warning of a potential condenser/subcooler tube freeze threat with the condenser flow switch open while the chiller is stopped. | The Chiller is Stopped, the Saturated Condenser Temperature < 35.0 °F and the Condenser Flow Switch has been open for > 60 seconds or longer. | This warning will automatically reset whenever the chiller is running or the Saturated Condenser Temperature is > 40.0 °F or the Condenser Flow Switch closes. | 2 |
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Manufacturer document, published here as reference material for equipment we supply. The original lives at docs.johnsoncontrols.com. The rights holder may ask us to take it down — we will.