Carrier 19XR,XRV Hermetic Centrifugal Liquid Chillers User Manual

Page 16

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16

• Press

to leave the selected decision or field with-

out saving any changes.

• Press

to leave the selected decision or field and

save changes.

• Press

to scroll the cursor bar down in order to

highlight a point or to view more points below the cur-
rent screen.

• Press

to scroll the cursor bar up in order to

highlight a point or to view points above the current
screen.

• Press

to view the next screen level (high-

lighted with the cursor bar), or to override (if allowable)
the highlighted point value.

• Press

to return to the previous screen level.

• Press

or

to change the high-

lighted point value.

TO VIEW STATUS (Fig. 16) — 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

to view the list of

point status tables.

2. Press

or

to highlight the desired

status table. The list of tables is:

•MAINSTAT — Overall chiller 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
•CVC_PSWD — Service menu password forcing

access screen

•ICVC_PSWD — Service menu password forcing

access screen

3. Press

to view the desired point status table.

4. On the point status table, press

or

until the desired point is displayed on the screen.

OVERRIDE OPERATIONS
To Override a Value or Status

1. From any point status screen, press

or

to highlight the desired value.

2. Press

to select the highlighted value. Then:

QUIT

ENTER

NEXT

PREVIOUS

SELECT

EXIT

INCREASE

DECREASE

STATUS

NEXT

PREVIOUS

SELECT

NEXT

PREVIOUS

NEXT

PREVIOUS

SELECT

19XR_II MAINSTAT

POINT STATUS

Control Mode
Run Status
Start Inhibit Timer
Occupied?
System Alert/Alarm
Chiller Start/Stop
Remote Start Contact
Temperature Reset
Control Point
Chilled Water Temp
Active Demand Limit
Average Line Current

OFF

Ready

0.0 Min

NO

NORMAL

STOP

Open

0.0 F

44.0 F
44.6 F

100%

0.0%

Fig. 16 — Example of Status Screen

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