Evaporator screen
Figure 27: Evaporator screen
This screen displays a cutaway view of the chiller evaporator. All setpoints relating to the
evaporator side of the chiller are maintained on this screen. Animation of the evaporation process
indicates whether the chiller is presently in a RUN condition. Animation of the liquid flow indicates
chilled liquid flow.
Table 12: Display only fields
Field/LED name
Description
Leaving Chilled Liquid Temperature Displays the temperature of the liquid as it leaves the evaporator.
Entering Chilled Liquid Temperature Displays the temperature of the liquid as it enters the evaporator.
Evaporator Small Temperature
Difference
Displays the difference between the Leaving Chilled Liquid temperature and the
Evaporator Refrigerant Temperature. The Evaporator Refrigerant Temperature will
be represented by the Refrigerant Temperature sensor input if the sensor is present,
otherwise it will be represented by the Evaporator Saturation Temperature.
Evaporator Pressure
Displays the present refrigerant pressure in the evaporator.
Evaporator Saturation Temperature Displays the present saturation temperature in the evaporator.
Evaporator Refrigerant Temperature Displays the Evaporator Refrigerant Temperature if the option is installed and enabled.
Chilled Liquid Flow Switch (Open /
Closed)
Displays whether the liquid flow is present in the evaporator.
Chilled Liquid Pump
Displays the command presently sent by the Control Center to the Chilled Liquid Pump
(RUN or STOP.)
33
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center
