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Retrofit of R-134a YK System to R-513A

Document typeService Information Letter
Document numberSI0389
EquipmentYK Centrifugal Chiller
BrandYORK
Revised2026-02-19
File size1.7 MB

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.