JOHNSON CONTROLS
45
SECTION 2 – OPTIVIEW CONTROL CENTER
FORM 160.79-O3
ISSUE DATE: 11/09/2018
2
HGBP Command
Indicates the Hot Gas Bypass Command 0% (Closed
to 100% (Open). Only displayed if Hot Gas option is
installed and enabled on the Operations screen.
Oil Pump Drive Command Frequency
Indicates the VSOP Drive Command Frequency, 0 Hz
to 60 Hz.
Vane Motor Switch (LED) (Open/Closed)
Illuminates when the compressor vanes are in the fully
closed position. When Off, indicates open.
Compressor Status
Displays whether compressor has been selected as the
lead or Lag compressor. The lead compressor is select-
ed upon receipt of a start signal. The compressor that
has the least amount of run time that is ready to run is
selected as the lead compressor.
% Full Load Amps
Displays compressor motor current as a percentage of
full load amps of the compressor motor.
PRV Opening (LED)
Illuminates when an open command is being applied to
the Pre-Rotation Vanes.
PRV Closing (LED)
Illuminates when an close command is being applied to
the Pre-Rotation Vanes.
PRV Position
Displays the position (0% to 100%) of the pre-rotation
vanes.
PRV Command
Displays the position command (0% to 100%) for the
pre-rotation vanes.
Discharge Valve Close Command (LED)
Illuminates when a close command is being applied to
the compressor Discharge Valve.
Discharge Valve Open Command (LED)
Illuminates when an open command is being applied to
the compressor Discharge Valve.
Discharge Valve
Indicates the status of the compressor Discharge Valve
as closing, closed, opening or opened.
High Pressure Switch
Indicates the status of the compressor High Pressure
Switch. (Open or Closed)
PROGRAMMABLE
Software does not allow manual Pre-rotation Vanes
control on a shutdown compressor while the other
compressor is running. This helps minimize rotation
of this compressor if its Discharge Valve is not fully
sealed.
Discharge Valve Control Mode (Manual/Auto)
Only displayed if the compressor is stopped. This key
puts the compressor Discharge Valve in manual or au-
tomatic operation. When in manual operation, this key
is used to manually open or close the valve.
NAVIGATION
Home
Causes an instant return to the Home Screen.
Compressor
Causes an instant return to the Main Compressor
Screen.
VGD
Access Level Required: SERVICE
Only displayed if VGD feature enabled on Operations
Screen. Moves to the subscreen that allows viewing
and programming of the Variable Geometry Diffuser
(VGD) feature for the compressor.
Proximity Probe Calibrate
Only available if chiller is stopped. Moves to the sub-
screen that allows calibration of the High Speed Thrust
Bearing Proximity Probe for the compressor.
PRV Calibrate
Only available if the chiller is stopped. Moves to the
subscreen that allows calibration and manual control of
the Pre-rotation Vanes for the compressor.
Capacity Control
Navigates to the Capacity Control screen.