Time Schedule Operation - Carrier 19XR Start-Up, Operation And Maintenance Instructions Manual

Hermetic centrifugal liquid chillers 50/60 hz with pic ii controls and hfc-134a
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For Discrete Points — Press START or STOP to se-
lect the desired state.
For
Analog
Points
DECREASE to select the desired value.
3. Press ENTER to register the new value.
NOTE: When overriding or changing metric values, it is nec-
essary to hold down the softkey for a few seconds in order
to see a value change, especially on kilopascal values.
To Remove an Override
1. On
the
point
status
PREVIOUS to highlight the desired value.
2. Press SELECT to access the highlighted value.
3. Press RELEASE to remove the override and return the
point to the PIC II's automatic control.
Override Indication — An override value is indicated by
''SUPVSR,'' ''SERVC,'' or ''BEST'' flashing next to the point
value on the STATUS table.
TIME SCHEDULE OPERATION (Fig. 17)
1. On the Menu screen, press SCHEDULE .
Press
INCREASE
table
press
NEXT
2. Press NEXT or PREVIOUS to highlight the de-
sired schedule.
OCCPC01S — LOCAL Time Schedule
OCCPC02S — ICE BUILD Time Schedule
OCCPC03 — CCN Time Schedule
or
3. Press SELECT to view the desired time schedule.
4. Press NEXT or PREVIOUS to highlight the de-
sired period or override to change.
5. Press SELECT to access the highlighted period or
override.
or
6. a. Press INCREASE or DECREASE to change the
time values. Override values are in one-hour incre-
ments, up to 4 hours.
Fig. 17 — Example of Time Schedule
19
Operation Screen

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