York YK-EP Operation And Maintenance Manual page 124

Table 124: Display only
Field/LED
Access level
name
DC Bus
Voltage
Supply
Contactor
(LED)
Precharge
Contactor
(LED)
Phase
Rotation
Total Supply
kVA
Heatsink
Temperature
Voltage Peak
(N-L1, N-L2,
N-L3)
RMS Voltage
(L1-L2, L2-L3,
L3-L1)
Voltage Total
Harmonic
Distortion
(L1, L2, L3)
RMS Filter
Current (L1,
L2, L3)
Supply
Current Total
Demand
Distortion
(L1, L2, L3)
RMS Supply
Current (L1,
L2, L3)
124
Description
– Displays the DC Bus voltage as measured by the Harmonic Filter.
– Indicates whether the output to the Supply Contactor is energized.
Indicates whether the output to the Precharge Contactor is
–
energized.
Displays the phase rotation detected by the Harmonic Filter (A, B, C
–
or C, B, A)
Displays the total supply Kilovolt-Amps measured by the Harmonic
–
Filter.
(Labeled Baseplate Temperatures on VSD with part number
– 371-03789-xxx (503HP 60Hz; 419HP 50Hz). Displays the temperature
of the Harmonic Heatsink (baseplate).
Displays the 3-phase peak voltages as measured by the Harmonic
–
Filter (Neutral to Line).
– Displays the 3-phase RMS Voltages across each line.
Displays the 3-phase voltage Total Harmonic Distortion (THD)
–
measurements.
Displays the 3-phase filter current values as measured by the
–
Harmonic Filter.
Displays the 3-phase Current Total Demand Distortion (TDD)
–
measurements.
– Displays the 3-phase RMS Voltages across each line.
YK-EP Style B Centrifugal Chiller