Home screen
Figure 6: Home screen
When the chiller system is powered on, the above default display appears. The primary values
which must be monitored and controlled are shown on this screen. The HOME Screen display
depicts a visual representation of the chiller itself. Animation indicates chilled liquid flow.
Table 4: Display only fields
Field/LED name Description
Chilled Liquid Temperature
– Leaving
Displays the temperature of the liquid as it leaves the evaporator.
Chilled Liquid Temperature
– Entering
Displays the temperature of the liquid as it enters the evaporator.
Condenser Liquid
Temperature – Leaving
Displays the temperature of the liquid as it leaves the condenser.
Condenser Liquid
Temperature –Entering
Displays the temperature of the liquid as it enters the condenser.
Primary Motor % Full Load
Amps
This displays the percentage of Full Load Amps utilized by the
primary motor.
Primary Motor Operating
Hours
Displays the cumulative operating hours of the primary motor.
Primary Motor Run (LED)
Is ON when the digital output controlling the motor starter contact
for the primary motor is on.
Economizer Motor % Full
Load Amps
This displays the percentage of Full Load Amps utilized by the
economizer motor.
YK-EP Style B Centrifugal Chiller22
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