To View And Change Set Points; Service Operation - Carrier 19XR Start-Up, Operation And Maintenance Instructions Manual

b. Press ENABLE to select days in the day-of-week
fields. Press DISABLE to eliminate days from the
period.
7. Press ENTER to register the values and to move
horizontally (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
override, or press EXIT again to leave the current time
schedule screen and save the changes.
10. The Holiday Designation (HOLIDEF table) may be found
in the Service Operation section, page 43. The month,
day, and duration for the holiday must be assigned. The
Broadcast function in the BRODEF table also must be
enabled for holiday periods to function.
TO VIEW AND CHANGE SET POINTS (Fig. 18)
1. To view the SETPOINT table, from the MENU screen
press SETPOINT .
19XR_II
Base Demand Limit
Control Point
LCW Setpoint
ECW Setpoint
ICE BUILD Setpoint
Tower Fan High Setpoint
Fig. 18 — Example of Set Point Screen
SETPOINT SETPOINT SELECT
100%
50.0 F
60.0 F
40.0 F
85.0 F
2. There are 5 set points on this screen: BASE DEMAND
LIMIT, LCW SETPOINT (leaving chilled water set point),
ECW SETPOINT (entering chilled water set point), ICE
BUILD SETPOINT, and TOWER FAN HIGH SET-
POINT. Only one of the chilled water set points can be
active at one time. The set point that is active is deter-
mined from the SERVICE menu. See the Service Opera-
tion section, page 43. The ice build (ICE BUILD) func-
tion is also activated and configured from the SERVICE
menu.
3. Press NEXT or PREVIOUS to highlight the desired
set point entry.
4. Press SELECT to modify the highlighted set point.
5. Press INCREASE or DECREASE to change the se-
lected set point value.
6. Press ENTER to save the changes and return to the
previous screen.
SERVICE OPERATION — To view the menu-driven pro-
grams available for Service Operation, see Service Opera-
tion section, page 43. For examples of CVC display screens,
see Table 2.
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