York YK Style H, Руководство по эксплуатации

Страница: 86 / 212

HYP/Mod D Variable Speed Drive screen
Figure 50: HYP/Mod D Variable Speed Drive screen
This screen displays information pertaining to a HYP/Mod D variable speed drive (VSD).
Table 77: Display only fields
Field/LED name Description
PRV Position Displays the pre-rotation vane position as a value between 0 and 100%.
Motor Run (LED)
Indicates whether the digital output from the controls is commanding the motor to
run.
Motor % Full Load Amps Displays the motor current as a percentage of the Full Load Amps (FLA) value.
Current Limit Setpoint
Displays the current limit value in use. This value could come from a 0 mA to 20
mA, 0 VDC to 10 VDC, PWM signal, or SC-EQ communication interface, or a locally
programmed value.
Output Voltage Displays the output voltage measured to the motor.
VSD Output Frequency Displays the present output frequency 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 as the VSD motor
controller operates.
Output Current
Phase A, B, C
Displays the phase current measured to the motor.
Voltage Total Harmonic Distortion
(L1, L2, L3) Displays the Total Harmonic Distortion (THD) for each of the voltage lines
as calculated by the filter (displayed if Harmonic Filter is present).
Supply Current Total Demand
Distortion
(L1, L2, L3) Displays the Total Dynamic Distortion (TDD) for each of the supply current
lines as calculated by the filter (displayed if Harmonic Filter is present).
Note: For fields requiring access level of SERVICE. Service Technicians must refer to the
OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and
explanation of all programmable setpoints and displayed values.
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center 86