Figure 10 - Compressor Screen - York YMC2 Operation And Maintenance

FORM 160.84-OM1
ISSUE DATE: 9/21/2017

FIGURE 10 - COMPRESSOR SCREEN

OVERVIEW
This screen displays a cutaway view of the chiller com-
pressor, revealing the impeller, and shows all condi-
tions associated with the compressor. 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 jumping to capacity con-
trol and displaying MBC, Surge and VGD and Power
Panel detail.
DISPLAY ONLY
Discharge Temperature
Displays the temperature of the refrigerant in its gas-
eous state at discharge of the compressor as it travels
to the condenser.
Discharge Superheat
Displays the Discharge superheat, calculated as (Dis-
charge Temperature – Condenser Saturation tempera-
ture).
Motor Run (LED)
Indicates ON when the digital output run command to
the VSD is on.
JOHNSON CONTROLS
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
COMPRESSOR SCREEN
Input % Full Load Amps
Displays the chiller current as a percentage of the job
input Full Load Amps (FLA) value.
Motor % Full Load Amps
Displays the current to the motor as a percentage of the
motor maximum current.
VSD Output Frequency
Displays the VSD frequency.
PROGRAMMABLE
There are no programmable fields on this screen.
NAVIGATION
Home
Causes an instant return to the Home Screen.
Capacity Control
Causes an instant transfer to the Capacity Control
Screen.
LD17922a
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