Primary compressor screen
Figure 13: Primary compressor screen
This screen displays a cutaway view of the chiller compressor, revealing the impeller, and shows all
conditions associated with the compressor. With the proper access level, the Pre-Rotation Vanes
may be manually controlled. Animation of the compressor impeller indicates whether the chiller is
presently in a RUN condition. This screen also serves as a gateway to subscreens for calibrating the
Pre-Rotation Vanes, calibrating the Proximity Probe, configuring the Hot Gas Bypass, or providing
advanced control of the Compressor Motor Variable Speed Drive.
Note: For fields requiring access level of SERVICE. Qualified service technicians should refer
to the OptiView Control Center Service for operation instructions and explanations of all
programmable setpoints and displayed values.
Table 26: Display only fields
Field/LED
name
Access level Description
Oil Sump
Temperature
– Displays the temperature of the oil in the sump
Discharge
Temperature
–
Displays the temperature of the refrigerant in its gaseous state at
discharge of the compressor as it travels to the condenser.
Discharge
Superheat
–
Displays the discharge superheat, calculated as Discharge
Temperature – Condenser Saturation temperature.
High Speed
Thrust
Bearing
Proximity
Differential
–
Displays the present position of the High Speed Thrust Bearing in
relation to neutral. Locations are shown in mils. Zero indicates that
the bearing is in the normal position.
YK-EP Style B Centrifugal Chiller42
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