York YST Operation Manual page 66

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
prograMMable
Select Zone (Z1/Z2)
Access Level Required: VIEW
This key selects the present tuning parameters for dis-
play and programming (if access level is SERVICE)
for the Subcooler Level controller.
Select Control (SPD/PRV/ HgV)
Access Level Required: VIEW
In some cases, different tuning parameters must be en-
tered to match the process response time depending on
the controlled device. This key selects the present tun-
ing parameters for display and programming (if access
level is SERVICE) for the Temperature, Evaporator
Pressure, and Condenser Pressure controllers.
Select Control (Temperature/evaporator/
Condenser/hotwell/ Subcooler)
Access Level Required: VIEW
This key selects the desired controller for which tun-
ing parameters will be programmed (if access level is
SERVICE).
66
Change Settings
Access Level Required: SERVICE
This key enables the field selection cursor in the
presently selected controller. The operator may then
toggle between the programmable data fields using the
Cursor Arrow keys.
navigaTion
home
Access Level Required: VIEW
Causes an instant return to the Home Screen.
Capacity Controls
Access Level Required: VIEW
Causes an instant return to the Capacity Controls
Screen.
FORM 160.67-O1
ISSUE DATE: 4/1/2015
JOHNSON CONTROLS