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YK Software Enhancements Effective October 2004, Control Panel

Document typeService Information Letter
Document numberSI0104
EquipmentYK Centrifugal Chiller
BrandYORK
File size0.2 MB

Fault codes in this document

1 of these messages are explained on a page of their own — cause, what to check, reset — written from this manual:

Safety Shutdowns

Code / displayMeaningCauseActionPage
Oil – Variable Speed Pump – Setpoint Not Achieved Shutdown of “P” compressors when the minimum allowed oil pressure is not achieved. Oil pressure did not achieve the minimum allowed value during the last 10 seconds of System Prelube and the first 15 seconds of System Run. Previously the threshold was 25.0 PSID; effective October 2004 the threshold is 35.0 PSID, making it consistent with all other compressors. 1

Every row above cites the page of this document it came from, and each one is re-read against that page by an automatic check before publication. The short table of all YORK YK messages: fault codes.

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.