JOHNSON CONTROLS
77
SECTION 2 – OPTIVIEW CONTROL CENTER
FORM 160.79-O3
ISSUE DATE: 11/09/2018
2
Pulldown Time Remaining
Displays the time remaining until the user programmed
Setpoint Oil Pressure is used. While this clock is decre-
menting, the Target Oil Pressure Setpoint (fixed at 45.0
PSID) is in effect.
Manual Oil Pump Operation Time Left
Displays the time remaining in the 10-minute manual
oil pump operation.
PROGRAMMABLE
Manual Pump (Enable/Disable)
Access Level Required: OPERATOR
This key allows the user to turn on (Enable) and off
(Disable) the Variable Speed Oil Pump. The pump will
be allowed to run for a maximum of 10 minutes. If
a longer running time is desired, it must be Enabled
again. Manual Oil Pump control is prevented (and the
button is not displayed) during System Pre-lube, Sys-
tem Run, Proximity Probe Calibration, Seal Lubrica-
tion and System Coastdown.
Standby Lube (Enabled/Disabled)
Access Level Required: SERVICE
Allows the user to Enable or Disable the Standby Lube
operation. When Enabled, this feature causes the Vari-
able speed Oil Pump to operate for 2 minutes at 24
hour intervals while the chiller is shutdown.
Pressure Setpoint
Access Level Required: SERVICE
This key allows the user to define the oil pressure
setpoint that compressor #1 Variable Speed Oil Pump
will control to during automatic speed control opera-
tion. Range is 20.0 to 45.0 PSID, Default 35.0 PSID.
Control Period
Access Level Required: SERVICE
Allows the user to define the output interval of the
increment or decrement speed commands to the com-
pressor Variable Speed Oil Pump. Presently, it is set to
0.9 seconds and cannot be changed.
Variable Speed Oil Pump Speed Control
Set
Access Level Required: SERVICE
This key allows the user to specify a fixed speed at
which compressor #1 Variable Speed Oil Pump will
run when in manual speed control mode. The range is
25 Hz to 60 Hz.
Raise
Access Level Required: SERVICE
With the Oil Pump running, this key puts compressor
#1 Variable Speed Oil Pump into manual speed control
mode and increments the speed command by 0.5 Hz
each time it is pressed.
Lower
Access Level Required: SERVICE
With the Oil Pump running, this key puts compressor
#1 Variable Speed Oil Pump into manual speed control
mode and decrements the speed command by 0.5 Hz
each time it is pressed.
Auto
Access Level Required: SERVICE
This key returns compressor #1 Variable Speed Oil
Pump control to automatic speed control mode, where
the speed command is based on the Oil Pressure
Setpoint.
NAVIGATION
Home
Access Level Required: VIEW
Causes a return to the Home Screen.
Oil Sump
Access Level Required: VIEW
Causes a return to the Oil Sump Screen.
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