Справочник Пользователя для Carrier 040-420

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.