York YZ MODEL A - FIGURE 19 - Variable Speed Drive (VSD) Details Screen

JOHNSON CONTROLS
56
FORM 161.01-OM1
ISSUE DATE: 6/8/2018
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
FIGURE 19 - VARIABLE SPEED DRIVE (VSD) DETAILS SCREEN
LD26741
This screen displays more detailed parameters associ-
ated with the Variable Speed Drive. This screen also
provides a means for a Service Technician to access
setpoints for maintenance or service.
DISPLAY ONLY FIELDS
DISPLAY ONLY FIELDS
FIELD/LED NAME DESCRIPTION
Motor Run (LED) Indicates the digital output from the controls is commanding the motor to RUN.
Input % Full Load Amps Displays the current draw as a percentage of the unit Full Load Amps.
Motor % Full Load Amps Displays the current draw as a percentage of the motor Full Load Amps.
Input Current Displays the Input Current to the VSD.
Motor Full Load Amps Displays the rated motor FLA.
VSD Model Displays the VSD model as reported by the VSD.
Water Pump Output (LED)
Indicates the relay controlling the VSD water pump and fans output is ener-
gized.
Precharge Relay Output (LED) Indicates the VSD DC bus has been pre-charged.
Trigger SCR Output (LED) Indicates the Trigger SCRs are energized.
DC Bus Voltage Displays the DC Bus voltage.
DC Inverter Link Current Displays the current draw of the Inverter from the DC Link.
Internal Ambient Temperature
Displays the ambient temperature inside the VSD cabinet as reported by the
VSD.
Converter Heatsink Temperature Displays the highest VSD input rectier baseplate temperature.
Baseplate Temperature
Displays VSD output inverter baseplate temperatures. When there are multiple
power modules per phase, the highest temperature per phase is displayed.