Variable Speed Drive Screen; Figure 17 - Vsd Screen - Johnson Controls YORK OPTIVIEW CONTROL CENTER Operation Manual

FORM 160.10-O1
ISSUE DATE: 4/27/2018

FIGURE 17 - VSD SCREEN

OVERVIEW
This screen displays information pertaining to chillers
equipped with a Variable Speed Drive (VSD).
DISPLAY ONLY
Motor Run (LED)
Illuminates when the digital output from the controls is
commanding the motor to "RUN".
(Motor Current) % Full Load Amps
Displays the motor current as a percentage of the Full
Load Amps (FLA) value.
Current Limit Setpoint
Displays the current limit setpoint programmed by
the operator. This value could come from a 0-20mA,
4-20 mA, 0-10VDC or 2-10VDC input in analog re-
mote mode, PWM signal in digital remote mode,
MicroGateway interface in ISN (Integrated Systems
Network) mode, or programmed locally at the control
center in local mode.
JOHNSON CONTROLS

VARIABLE SPEED DRIVE SCREEN

SECTION 2 - OPTIVIEW OPERATION
Pulldown Demand Time Left (Not Shown)
Displays the time remaining in the programmed
pulldown period. This value is only displayed if there
is time remaining.
Output Voltage
Displays the measured output voltage to the chiller mo-
tor.
Output Frequency
Displays the present output frequency to the motor.
Output Current – Phase A, B, C
Displays the phase current measured to the motor.
Input Power
Displays the total kilowatts measured by the VSD or
harmonic filter, if installed.
kW Hours
Displays the cumulative amount of kilowatts used over
time since the count was last reset.
LD10002
49
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