York YZ MODEL A - FIGURE 7 - System Screen

JOHNSON CONTROLS
32
FORM 161.01-OM1
ISSUE DATE: 6/8/2018
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
FIGURE 7 - SYSTEM SCREEN
LD26729
The System Screen provides a general overview of
common chiller parameters for both shells.
DISPLAY ONLY FIELDS
DISPLAY ONLY FIELDS
FIELD/LED NAME DESCRIPTION
Discharge Temperature
Displays the temperature of the refrigerant in its gaseous state at discharge of
the compressor as it travels to the condenser.
Input % Full Load Amps This displays the percentage of full load amps utilized by the system.
Input Current Limit Setpoint
Displays the current limit value in use. This value is percent of Input Full Load
Amps.
Condenser Liquid Temperature - En-
tering
Displays the temperature of the liquid as it enters the condenser.
Condenser Liquid Temperature - Leav-
ing
Displays the temperature of the liquid as it leaves the condenser.
Chilled Liquid Temperature - Entering Displays the temperature of the liquid as it enters the evaporator.
Chilled Liquid Temperature - Leaving Displays the temperature of the liquid as it leaves the evaporator.
Chilled Liquid Temperature - Setpoint
Displays the programmed temperature setpoint for leaving chilled liquid. It is the
local value or remote reset value depending on control source.
Head Pressure
Displays the pressure difference between the condenser and evaporator
(condenser minus evaporator). Only appears when Head Pressure Control is
enabled
Head Pressure Setpoint
Displays the active Head Pressure Setpoint to which the head pressure is being
controlled. Only appears when Head Pressure Control is enabled
Condenser Pressure Displays the refrigerant pressure in the condenser.