24
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 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. 27) — The MAINSTAT table
shows the actual value of overall chiller status such as CON-
TROL MODE, RUN STATUS, AUTO CHILLED LIQ
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
• ECON_EXV — Status of economizer EXV control
sensors (if applicable)
• COND_EXV — Status of condenser EXV control
sensors (if applicable)
• VFD_STAT — Status of the variable frequency
drive
• ICVC_PWD — 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.
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