York YK-EP Operation And Maintenance Manual page 35

Table 16: Display only fields
Field/LED name
Sub-Cooling Temperature
High Pressure Switch
(Open / Closed)
Condenser Liquid Flow
Switch
Condenser Liquid Pump
(Run / Stop)
Condenser Refrigerant Level
Active Level Setpoint
Level Control Valve
Command
Table 17: Programmable
Button Access level
High
Pressure
Service
Warning
Threshold
Fault
Service
Acknowledge
Table 18: Navigation
Button Access level
Home View
Level Control Service
YK-EP Style B Centrifugal Chiller
Description
Displays the difference between the Condenser Refrigerant
temperature and the Drop Leg Refrigerant temperature. The
Condenser Refrigerant temperature will be represented by the
Condenser Saturation temperature. If the Drop Leg Sensor is not
present, this temperature is not displayed.
Displays the present position of the high pressure switch. This will
indicate whether a high pressure fault is present.
Indicates whether flow is present in the condenser.
Indicates whether condenser liquid pump is operating.
Displays the present position of the refrigerant level if this function
is enabled.
Displays the setpoint to which the refrigerant level is being
controlled.
Displays the level control valve signal 0 to 100%.
Description
This value allows the user to define the condenser pressure at which
the chiller will initiate a warning.
This allows clearing of the High Condenser Pressure Fault while
Shutdown (Condenser-High Pressure Stopped).
Description
Returns user to HOME Screen.
Moves to the subscreen allowing programming of the refrigerant
liquid level control setpoints.
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