York YK-EP Operation And Maintenance Manual page 80

Table 68: Display only
Field/LED
Access level
name
Sump Oil
Pressure
(LOP)
Oil Pump
Run Output
(LED)
Oil Return
Solenoid
(LED)
Oil Heater
(LED)
Oil Seal
Lubrication
Service
Time
Remaining
Next Oil Seal
Service
Lubrication
Setpoint Oil
Pressure
Variable
Speed
Oil Pump
Control
Mode
Oil Pump
Drive
Command
Frequency
Manual
Oil Pump
Operation
Time Left
80
Description
– Displays the low side oil pressure measured at the sump.
– Indicates whether the oil pump is being commanded to operate.
– Indicates whether the solenoid is energized.
(Variable Speed Oil Pump Only) Indicates whether the oil heater
–
output is energized.
If a Seal Lubrication is in progress, this will display the amount of
time remaining in the lubrication process.
This display will show the time remaining until the next Seal
Lubrication is necessary, when this function is enabled.
(Variable Speed Oil Pump Only) The Variable Speed Oil Pump
(VSOP), if installed, operates to control to a defined Oil Pressure
value. During prelube, and for the first 15 seconds after prelube, this
–
setpoint value is 45.0 PSID. During this time, this field will display
the target value. After 15 seconds, this value will display the user-
programmed setpoint Oil Pressure.
(Variable Speed Oil Pump Only) Indicates whether the Variable
–
Speed Oil Pump speed is under manual or automatic control.
(Variable Speed Oil Pump Only) Displays the actual speed command
being sent to the VSOP. This value could be the result of automatic
–
control based on the Oil Pressure Setpoint, or the result of a manual
speed command.
Displays the time remaining in the 10-minute Manual Oil Pump
–
operation described below.
YK-EP Style B Centrifugal Chiller