To View And Change Set Points; Service Operation - Carrier AquaEdge 23XRV Start-Up, Operation And Maintenance Instructions Manual

23XRPIC3
Fig. 29 — Example of Time Schedule
Operation Screen
b. Press to select days in the day-of-week
ENABLE
fields. Press
DISABLE
period.
7. Press to register the values and to move hori-
ENTER
zontally (left to right) within a period.
8. Press EXIT to leave the period or override.
9. Either return to Step 4 to select another period or over-
ride, or press
EXIT
schedule screen and save the changes.
10. The Holiday Designation (HOLIDAYS table) may be
found in the Service Operation section, page 59. The
month, day, and duration for the holiday must be
assigned. The TIME BROADCAST ENABLE func-
tion in the BRODEF screen also must be enabled for
holiday periods to function.
TO VIEW AND CHANGE SET POINTS (Fig. 30)
1. To view the SETPOINT table, from the MENU screen
press .
SETPOINT
0700 1800
0600
1300
0300
to eliminate days from the
again to leave the current time
a23-1607
Fig. 30 — Example of Set Point Screen
2. There are 5 set points on this screen: BASE DEMAND
LIMIT, LCL SETPOINT (leaving chilled liquid set
point), ECL SETPOINT (entering chilled liquid set
point), ICE BUILD SETPOINT and TOWER FAN
HIGH SETPOINT. Only one of the CONTROL
POINT SOURCES (LCL or ECL) can be active at one
time. The control point source that is active is deter-
mined from the TEMP_CTL screen. See the Service
Operation section, page 59.
3. Press or
NEXT
set point entry.
4. Press
SELECT
5. Press
INCREASE
selected set point value.
6. Press to save the changes and return to the
ENTER
previous screen.
SERVICE OPERATION — To view the menu-driven pro-
grams available for Service Operation, see the Service Opera-
tion section, page 59. For examples of ICVC display screens,
see Table 3.
29
SETPOINT SETPOINT SELECT
23XRPIC3
Base Demand Limit
100%
Control Point Source
LCL Setpoint
50.0 °F
ECL Setpoint
60.0 °F
Ice Build Setpoint
40.0 °F
Tower Fan High Setpoint
75 °F
to highlight the desired
PREVIOUS
to modify the highlighted set point.
or to change the
DECREASE