York YK-EP B Operation & Maintenance Manual page 68

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
Oil Seal Lubrication Time Remaining
Access Level Required: SERVICE
If a Seal Lubrication is in progress, this will display the
amount of time remaining in the lubrication process.
Next Oil Seal Lubrication
Access Level Required: SERVICE
This display will show the time remaining until the
next Seal Lubrication is necessary, when this function
is enabled.
Setpoint Oil Pressure
(Variable Speed Oil Pump Only)
The Variable Speed Oil Pump (VSOP), if installed, op-
erates to control to a defined Oil Pressure value. Dur-
ing 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 Control Mode
(Variable Speed Oil Pump Only)
Indicates whether the Variable Speed Oil Pump speed
is under manual or automatic control.
Oil Pump Drive Command Frequency
(Variable Speed Oil Pump Only)
Displays the actual speed command being sent to the
VSOP. This value could be the result of automatic con-
trol based on the Oil Pressure Setpoint, or the result of
a manual speed command.
Manual Oil Pump Operation Time Left
Displays the time remaining in the 10-minute Manual
Oil Pump operation described below.
PROGRAMMABLE
Standby Lube (Enabled / Disabled)
Access Level Required: SERVICE
Allows the user to enable or disable the standby lube
operation. When enabled, this function causes the oil
pump to operate for a period of two (2) minutes at 24-
hour intervals from when the oil pump was last run for
at least 2 minutes.
Economizer Oil Pump
Access Level Required: SERVICE
Allows the user to navigate to the Economizer Oil
Pump Screen.
68
Pressure Setpoint (Variable Speed Oil Pump
Only)
Access Level Required: SERVICE
The Variable Speed Oil Pump (VSOP) operates to con-
trol to a defined Oil Pressure value. This key allows the
user to define the setpoint for the VSOP control.
Control Period (Variable Speed Oil Pump Only)
Access Level Required: SERVICE
By default, the automatic VSOP control algorithm op-
erates every 300 ms. This key allows the user to speci-
fy the control period in multiples of 300 ms.
Variable Speed Oil Pump Speed Control: Set
Access Level Required: SERVICE
This key allows the user to specify automatic or a fixed
manual speed at which the VSOP will run.
Raise
Access Level Required: SERVICE
This key puts the VSOP control into manual mode and
increments the present speed command by 0.5 Hz.
Lower
Access Level Required: SERVICE
This key puts the VSOP control into manual mode and
decrements the present speed command by 0.5 Hz.
Set
Access Level Required: SERVICE
This key allows the user to set the VSOP manual speed
between 25 and 60 Hz .
Auto
Access Level Required: SERVICE
This key returns the VSOP to automatic mode where
control is based on the Oil Pressure Setpoint.
Manual Pump
Access Level Required: OPERATOR
This key puts the oil pump control in manual mode and
forces it to RUN. The oil pump is limited to running
for a maximum of ten (10) minutes. If a longer running
time is desired, this key must be pressed again. Manual
Oil Pump control is disabled (and the button hidden)
during System Prelube, System Run, Proximity Probe
Calibration, Seal Lubrication, and System Coastdown.
NAVIGATION
Home
Access Level Required: VIEW
Returns user to HOME Screen.
FORM 160.87-OM1
ISSUE DATE: 8/24/2018
JOHNSON CONTROLS