Emerson VISSION 20/20 Manuel D’Utilisation
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OIL MANIFOLD PRESSURE - Default signal is 4-20Ma. Oil manifold pressure transducer range and calibration is set
in the calibration screen.
in the calibration screen.
VRS OIL INJECTION PRESSURE – Default signal is 4-20Ma. VRS oil injection pressure transducer range and calibra-
tion is set in the calibration screen.
tion is set in the calibration screen.
% SLIDE VALVE POSITION – Reads the 0-5 volt signal back from the slide position motor actuator to indicate cur-
rent slide valve position.
rent slide valve position.
% VOLUME POSITION – Reads the 0-5 volt signal back from the slide volume motor actuator to indicate current
volume position.
volume position.
SUCTION TEMPERATURE – Default signal is RTD. Suction temperature calibration is set in the calibration screen.
DISCHARGE TEMPERATURE – Default signal is RTD. Discharge temperature calibration is set in the calibration
screen.
screen.
OIL SEPARATOR TEMPERATURE – Default signal is RTD. Oil separator temperature calibration is set in the calibra-
tion screen.
tion screen.
OIL MANIFOLD TEMPERATURE – Default signal is RTD. Oil manifold temperature calibration is set in the calibra-
tion screen.
tion screen.
PROCESS TEMPERATURE – Default signal is RTD. Process temperature calibration is set in the calibration screen.
LEVEL PROBE (COOL COMPRESSION) – Default signal is 4-20mA. Measures separator level. Level probe calibration
is set in the calibration screen.
is set in the calibration screen.
CONDENSER PRESSURE – Default signal is 4-20Ma. Condenser pressure transducer range and calibration is set in
the calibration screen.
the calibration screen.
REMOTE CAPHOLD – Default signal is 4-20Ma. Active in “Direct I/O” mode. Adjusts the capacity of the compres-
sor from 0-100%, proportional to the 4-20mA signal.
sor from 0-100%, proportional to the 4-20mA signal.
ECONOMIZER PRESSURE – Default signal is 4-20Ma. Economizer pressure transducer range and calibration is set
in the calibration screen.
in the calibration screen.
CHILLER IN TEMPERATURE – Default signal is RTD. Chiller inlet temperature calibration is set in the calibration
screen.
screen.
MOTOR WINDING TEMPERATURE #1 thru #3 - Default signal is RTD. One RTD is installed in each of the three mo-
tor windings to monitor motor winding temperature.
tor windings to monitor motor winding temperature.
AUXILIARY #1 thru #7 – Flexible analog inputs that can be configured to control, alarm or trip.
BEARING TEMP #1 thru #4 - Default signal is RTD. Monitors bearing temperatures in both the compressor and
motor.
motor.