Carrier 040-420 - Manual (Page 74)

8. Reinstall all 6 wire connectors and the green ground
wire.
9. Carefully check all wiring connections before restoring
power.
10. Verify the LOCAL/ENABLE-STOP-CCN switch is in
STOP position
11. Restore control power. Verify the red and green lights
on top of and front of each DSIO module re-
spond as described in Control Modules section on
page 64. The keypad and display module or LID)
should also begin its rotating display.
12. Using the keypad and display module, press
to verify that the software version number matches the
ER (engineering requirement) number shown on the
label.
13. Press to verify that the 6 factory configuration
codes (CODE 1 through CODE 6) exactly match the
codes listed for this unit model on the component ar-
rangement label diagram on the control box door. If
they are different or are all zeros, reenter the codes.
If any changes are required, the
display becomes
blank and reconfigures itself after pressing the key
while displaying CODE 6. The display returns in ap-
proximately 15 seconds.
NOTE: Codes with leading zeros in the configuration
will be displayed starting with the first number greater
than zero.
14. Press to verify each item is configured as needed
for this particular installation. Table 9 shows the fac-
tory configuration code default settings. Table 9 also
shows the service replacement code default settings which
are used if no model number was specified when or-
dering the replacement module. It is strongly sug-
gested that the Start-Up Checklist for II Chiller
Systems (completed at time of original start-up) be used
at this time to verify and/or reprogram the various op-
tions and configurations required for this job.
After completing the configuration steps outlined above,
restore main power and perform a unit test as
scribed in and sections on page 38.
Complete this procedure and restore chiller to normal
operation by returning the
CCN switch to desired position.
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