Override Operations; Time Schedule Operation - Carrier AquaEdge 23XRV Start-Up, Operation And Maintenance Instructions Manual

High-efficiency variable speed screw chiller with greenspeed intelligence and pic iii controls 50/60 hz hfc-134a
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OVERRIDE OPERATIONS

To Override a Value or Status
1. From any point status screen, press
to highlight the desired value.
PREVIOUS
2. Press
to select the highlighted value. Then:
SELECT
For Discrete Points — Press
select the desired state.
YES
NO
For Analog Points — Press
to select the desired value.
DECREASE
3. Press
to register the new value.
ENTER
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 table press
to highlight the desired value.
PREVIOUS
2. Press
to access the highlighted value.
SELECT
NEXT
or
or
to
YES
NO
ENTER
EXIT
or
INCREASE
or
NEXT
3. Press
RELEASE
the point to the PIC III'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. 29)
1. On the Menu screen, press
2. Press
NEXT
sired schedule.
OCCPC01S — LOCAL Time Schedule
OCCPC02S — ICE Build Schedule
OCCPC03S — CCN Time Schedule
3. Press
SELECT
4. Press
NEXT
sired period or override to change.
5. Press
SELECT
override.
6.
a. Press
INCREASE
time values. Override values are in one-hour
increments, up to 4 hours.
28
to remove the override and return
.
SCHEDULE
or
to highlight the de-
PREVIOUS
to view the desired time schedule.
or
to highlight the de-
PREVIOUS
to access the highlighted period or
or
to change the
DECREASE

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