Emerson Vilter Vission 20/20, Руководство по эксплуатации и обслуживанию

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4 – 4
Section 4 • Main Screen
Vission 20/20 • Operation and Service Manual • Emerson • 35391SC 2.7
Parameter Bar (Continued)
Unit Start Button:
• When pressed, a start dialog box that gives the op-
erator several run options will appear: Auto, Manual,
Remote, Auto Seq or Cancel, see Figure 4-4.
Control Parameter Boxes:
• The parameter boxes provide updated data on sev-
eral key control parameters.
• The top box indicates the desired control
setpoint that is set in the Compressor Control
Screen. In the case that the Run mode is in re-
mote capacity control, this box will show the
desired capacity position.
• The suction box shows the current suction
pressure and suction temperature.
• The discharge box shows the current dis-
charge pressure and discharge temperature.
• The oil box shows the pressure differential
which is calculated as oil filter out pressure mi -
nus suction pressure. Filter differential is calcu-
lated as oil filter in pressure minus oil filter out
pressure. “Inj Temp” is the temperature of the
oil at the oil injection port and “Sep Temp” is the
temperature of the oil in the separator.
• The Discharge: Suction box shows the ra-
tio of gage discharge pressure to gage suction
pressure.
• The motor box shows the motor current.
Figure 4-4. Unit Start Pop-Up Window