To View Status; Override Operations - Carrier AquaEdge 19XR series Start-Up, Operation And Maintenance Instructions Manual

• Press to scroll the cursor bar up in order to
PREVIOUS
highlight a point or to view points above the current
screen.
• Press to view the next screen level (high-
SELECT
lighted with the cursor bar), or to override (if allowable)
the highlighted point value.
• Press to return to the previous screen level.
EXIT
• Press or
INCREASE DECREASE
lighted point value.
TO VIEW STATUS (FIG. 19) — The status table shows the
actual value of overall chiller status such as CONTROL
MODE, RUN STATUS, AUTO CHILLED WATER RESET,
and REMOTE RESET SENSOR.
1. On the menu screen, press
point status tables.
2. Press or
NEXT PREVIOUS
status table. The list of tables is:
•MAINSTAT — Overall chiller status
•VPF_STAT — Variable primary flow surge preven-
tion algorithm status
•VDO_STAT — Variable diffuser position algorithm
status
•STARTUP — Status required to perform start-up of
chiller
•COMPRESS — Status of sensors related to the
compressor
•HEAT_EX — Status of sensors related to the heat
exchangers
•POWER — Status of motor input power
•ISM_STAT — Status of motor starter
•ICVC_PSWD — Service menu password forcing
access screen
3. Press to view the desired point status table.
SELECT
to change the high-
to view the list of
STATUS
to highlight the desired
Fig. 19 — Example of Status Screen
4. On the point status table, press
until the desired point is displayed on the screen.
OVERRIDE OPERATIONS (Manual Overrides)
To Force (Manually Override) a Value or Status
1. From any point
or to highlight the desired value.
PREVIOUS
2. Press
SELECT
For Discrete Points — Press
lect the desired state.
For Analog
or to select the desired value.
DECREASE
3. Press to register the new value.
ENTER
NOTE: When forcing or changing metric values, it is neces-
sary to hold down the softkey for a few seconds in order to see
a value change, especially on kilopascal values.
23
POINT STATUS
19XR_II MAINSTAT
Control Mode OFF
Run Status Ready
Start Inhibit Timer 0.0 Min
Occupied? NO
System Alert/Alarm NORMAL
Chiller Start/Stop STOP
Remote Start Contact Open
Temperature Reset 0.0 F
Control Point 44.0 F
Chilled Water Temp 44.6 F
Active Demand Limit 100%
Average Line Current 0.0%
or
NEXT PREVIOUS
status screen, press
to select the highlighted value. Then:
or
START
STOP
Points — Press INCREASE
NEXT
to se-