various CCN modul es is different for each module. In general, the uploa ding process will take 3
to 5 minutes.
Changing Refrigerant Types
To select refrigerant typ e, go to the Control Test ta ble. Whenever the refr ige rant type is
changed, the ATTACH TO NE T WORK DEVICE table mus t be used. After changing the
refrigerant type in the Co ntrol Test table, mov e t o the ATTACH TO NETWORK DE V I CE table.
Make sure the highlig ht bar is located on the LOCAL selecti on. Press the ATTACH softkey. The
information in the PSIO module will now be uploaded. The default screen will appear. The new
refrigerant type chan ge for the controller is c om p lete.
Attaching to Other CCN Modules
If the machine PSIO has been connected to a CCN Network or other PIC controlled chi llers
through CCN wiring, the LID can be used to view or cha nge parameters on the oth er controllers.
Other PIC machi nes can be vie wed and set point s changed (if t he other unit i s in CCN control ),
if desired fro m this particul ar LID module.
To view the other devices, move to the ATTACH TO NETWORK DEVICE table. Move the
highlight bar to any dev ic e nu mber. Press SELECT s of tkey to change the bus numb er and
address of the module to be viewed. Press EXIT softkey to move back to the ATTACH TO
NETWORK DEVICE tabl e. If the module number is not v ali d, the ‘‘COMMUNICA TI O N
FAILURE’’ mess age will show and a new addr ess number sh ould be entered or the wir ing