York YST Operation Manual page 28

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
brine low evaporator Cutout
Access Level Required: SERVICE
This value is only available in Brine mode. It allows
the user to specify the Evaporator Pressure at which a
safety shutdown is initiated.
Smart freeze (off / on)
Access Level Required: SERVICE
This value is only available if the chiller is not in Brine
mode. It allows the user to enable the Smart Freeze
Point Operation which allows the chiller to run closer
to the freeze point without shutting down.
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refrigerant (enabled / disabled)
Access Level Required: SERVICE
When an Evaporator Refrigerant Sensor has been in-
stalled it must be enabled via this toggle before the
system will utilize the new, enhanced resolution input.
navigaTion
Home
Access Level Required: VIEW
Causes an instant return to the Home Screen.
FORM 160.67-O1
ISSUE DATE: 4/1/2015
JOHNSON CONTROLS