A Vacuum Dehydration Unit is required for all field
re-assembled YS Chillers; Form 3 and Form 7. In
addition, Form 2 YS Chillers shipped without refrigerant
require a Vacuum Dehydration procedure
prior to commissioning. Refer to the Vacuum
Dehydration procedure detailed in YORK Form
160.80-N1, Field Re-Assembly for Form 3 &
Form 7 Shipments (Style E).