Johnson Controls YORK YK MaxE, Operation Manual

Page: 76 / 184

JOHNSON CONTROLS
76
FORM 160.54-O1
LD14337
fig. 19a
MediUM VoLtage VariaBLe speed driVe sCreeN
oVerVieW
This screen displays information pertaining to a
Medium Voltage Variable Speed Drive (MV VSD).
Screen shown above is as it appears in software ver-
sion C.OPT.01.20.307 (and later). For details of MV
VSD operation and setpoints, refer to Service Manual
160.00-M6.
dispLaY oNLY
Motor Run (LED)
Indicates whether the digital output from the controls is
commanding the chiller to run.
Motor Current % Full Load Amps
Displays the motor current as a percentage of the full
load amps (FLA).
Current Limit Setpoint
Displays the current limit value in use. This value could
come from a 0-20ma, 4-20ma, 0-10VDC or 2-10Vdc
input in Analog remote Mode, PWM signal in Digital
Remote mode, Microgateway interface in ISN mode or
a locally programmed value.
Pulldown Demand Time Left
Displays the time remaining in the programmed
pulldown period if the value is not zero.
Output Voltage
Displays the output voltage to the motor. Value is pro-
vided by the MV VSD.
Output Frequency
Displays the present output frequency to the motor.
Value is provided by the MV VSD.
Input Power
Displays the total Kilowatts measured by the MV VSD.
Value is provided by the MV VSD.
KW Hours
Displays the cumulative amount of Kilowatts used over
time as the VSD motor operates. Value is calculated by
the Optiview Control Center from the Input Power value
provided from the MV VSD.
Pre-rotation Vanes Position
Displays the pre-rotation vane position as a value be-
tween 0 and 100%.
optiView Control Center
(Software Version C.OPT.01.16.xxx and later)