JOHNSON CONTROLS
22
FORM 160.10-O1
ISSUE DATE: 4/27/2018
SECTION 2 - OPTIVIEW OPERATION
Evaporator Saturation Temperature
This display indicates the present saturation tempera-
ture in the evaporator, as calculated from the voltage of
the evaporator pressure transducer.
Return Chilled Liquid Temperature
This display indicates the temperature of the chilled
liquid entering the evaporator.
Leaving Chilled Liquid Temperature
This display indicates the temperature of the chilled
liquid leaving the evaporator.
Evaporator Refrigerant Temperature
This display indicates the temperature of the refriger-
ant in the evaporator,which is provided by RT7. This
sensor is part of the optional refrigerant temperature
sensor kit and will only be displayed if this sensor is
enabled.
Small Temperature Difference
This display indicates the difference between the
leaving chilled liquid temperature and the evaporator
refrigerant temperature. The evaporator refrigerant
temperature will be represented by the evaporator satu-
OVERVIEW
This screen displays a cutaway view of the chiller
evaporator. All evaporator setpoints are maintained on
this screen. Animation of the evaporation process indi-
cates whether the chiller is presently in a “RUN” con-
dition. Animation of the liquid flow indicates chilled
liquid is flowing through the evaporator.
DISPLAY ONLY
Chilled Liquid Flow Switch (Open or Closed)
This display indicates whether the liquid flow is pres-
ent in the evaporator.
Chilled Liquid Pump (RUN or STOP)
This display indicates the command presently sent
by the OptiView Control Center to the chilled liquid
pump.
Agitator Valve (LEDs)
Not used in this application.
Evaporator Pressure
This display indicates the present refrigerant pressure
in the evaporator.
EVAPORATOR SCREEN
LD23594
FIGURE 5 - EVAPORATOR SCREEN
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