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Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153
as “Unscheduled” if operator does not want to use all
4 events per day.
Time:
• This setpoint allows selection of Hours, Minutes and
AM/PM values for an event. When time set for an
event is achieved, control mode will get changed as
selected for that event.
• The range of values allowed to set for Hours setpoint
is 0 – 12 for 12 hour format and 0 – 23 for 24 hour for-
mat. The range of values allowed to set for Minutes
setpoint is 0 – 59. AM/PM selection is active for se-
lection only when Time Format selected in confi gura-
tion screen is 12 hour.
When scheduling feature is enabled and No. of control-
lers for Suction Pressure Control & Process Temperature
Control are changed in confi guration screen which
makes control modes selected in compressor schedul-
ing screen as invalid, then feature will get disabled auto-
matically and indication will be sent to operator to cor-
rect the setting.
Section 9 • Compressor Scheduling