Compressor Screen - Johnson Controls YORK OM Titan Operating Instructions Manual

FORM 160.72-O1 (810)
figure 7 -

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. In addition, 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 the Compressor Lubrication System and
for configuring the Hot Gas Bypass and the Interstage
Valve.
displaY onlY
oil pressure
Displays the pressure differential between the high side
oil pressure transducer and the low side oil pressure
transducer (oil sump). If either of the transducers used
to calculate this differential is out of range, the display
field will show XX.X.
Main oil Temperature
Displays the temperature of the main oil supply feed-
ing the compressor bearings.
JOHNSON CONTROLS
CoMpressor sCreen
oil return solenoid (led)
Illuminates when the solenoid is energized.
vent line solenoid (led)
Illuminates when the solenoid is energized.
vane Motor switch
Indicates whether the vanes are completely closed.
(only when option is enable) Start will be inhibited if
vanes are in the open position.
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 temperature, calcu-
lated as (Discharge temperature - Condenser Saturated
temperature).
intercooler refrigerant pressure
Displays the pressure of the refrigerant in its gaseous
state in the intercooler.
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