Basic Icvc Operations (Using The Softkeys) - Carrier 19XRV Start-Up, Operation And Maintenance Instructions Manual

4.4 - BASIC ICVC OPERATIONS (using the softkeys)

To perform any of the operations described below, the PIC
III must be powered up and have successfully completed
its self test.
Press QUIt to leave the selected decision or field
•
without saving any changes.
INCREASE DECREASE
• Press enteR to leave the selected decision or field
and save changes.
INCREASE DECREASE
• Press neXt to scroll the cursor bar down in order to
highlight a point or to view more points below the
current screen.
neXt PREVIOUS
• Press pReVIoUS to scroll the cursor bar up in order
to highlight a point or to view points above the
current screen.
NEXT pReVIoUS
Press SeLeCt to view the next screen level (high-
•
lighted with the cursor bar), or to override (if
allowable) the highlighted point value.
NEXT PREVIOUS
Press eXIt to return to the previous screen level.
•
NEXT PREVIOUS
• Press InCReASe or DeCReASe to change the
highlighted point value.
InCReASe DeCReASe
18
QUIt ENTER
QUIT enteR
SELECT EXIT
SELECT EXIT
SeLeCt EXIT
SELECT eXIt
QUIT ENTER
4.4.1 - to view status (Fig. 7)
The MAINSTAT 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 StAtUS to view the list of
point status tables.
StAtUS SCHEDULE
Press neXt or pReVIoUS 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
• VFD_STAT - Status of the variable frequency
drive
• ICVC_PSWD - Service menu password forcing
access screen
neXt pReVIoUS
3. Press SeLeCt to view the desired point status table.
NEXT PREVIOUS
On the point status table, press neXt or pReVIoUS
4.
until the desired point is displayed on the screen.
neXt pReVIoUS
Fig. 7 - Example of Status screen
19XRV_II MAINSTAT
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
Percent Line Current
SETPOINT SERVICE
SELECT EXIT
SeLeCt EXIT
SELECT EXIT
POINT STATUS
OFF
Ready
0.0 Min
NO
NORMAL
STOP
Open
0.0 F
44.0 F
44.6 F
100%
0.0%