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To attach any CCN device, highlight it using the
SeLeCt
softkey and press the
AttACH
softkey. The message
“UPLOADING TABLES, PLEASE WAIT” displays. The
ICVC then uploads the highlighted device or module. If the
module address cannot be found, the message “COMMUNI-
CATION FAILURE” appears. The ICVC then reverts
back to the ATTACH TO DEVICE screen. Try another
device or check the address of the device that would not
attach. The upload process time for each CCN module is
different. In general, the uploading process takes 1 to
minutes. Before leaving the ATTACH TO NETWORK
DEVICE screen, select the LOCAL device. Otherwise, the
ICVC will be unable to display information on the local
chiller.
5.29.1 - Attaching to other CCn modules
If the chiller ICVC has been connected by CCN wiring to
the CCN network or other PIC controlled chillers, the ICVC
can be used to view or change parameters on the other
controllers. Other PIC III chillers can be viewed and set
points changed (if the other unit is in CCN control), if
desired, from this particular ICVC module.
If the module number is not valid, the “COMMUNICATION
FAILURE” message will show and a new address number
must be entered or the wiring checked. If the module is
communicating properly, the “UPLOAD IN PROGRESS”
message will flash and the new module can now be viewed.
Whenever there is a question regarding which module on
the ICVC is currently being shown, check the device name
descriptor on the upper left hand corner of the ICVC screen.
See Fig. 13.
When the CCN device has been viewed, the ATTACH TO
NETWORK DEVICE table should be used to attach to
the PIC that is on the chiller. Move to the ATTACH TO
NETWORK DEVICE table (LOCAL should be high-
lighted) and press the
AttACH
softkey to upload the
LOCAL device. The ICVC for the 19XRV will be uploaded
and default screen will display.
note:
The ICVC will not automatically reattach to the
local module on the chiller. Press the
AttACH
softkey to
attach to the LOCAL device and view the chiller operation.
Fig. 13 - Example of Attach to Network Device screen
5.30 - Service operation
An overview of the tables and screens available for the
SERVICE function is shown in Fig. 7.
5.30.1 - to access the service screens
When the SERVICE screens are accessed, a password must
be entered.
1. From the main MENU screen, press the
SeRVICe
softkey. The softkeys now correspond to the numerals
1, , 3, 4.
. Press the four digits of the password, one at a time. An
asterisk (*) appears as each digit is entered.
Enter a 4-digit password*
1
3
4
note:
The initial factory-set password is 1-1-1-1. If
the password is incorrect, an error message is displayed.
Invalid password
1
3
4
If this occurs, return to Step 1 and try to access the
SERVICE screens again. If the password is correct,
the softkey labels change to:
NEXT
PREVIOUS SELECT
EXIT
note:
The SERVICE screen password can be changed
by entering the ICVC CONFIGURATION screen
under SERVICE menu. The password is located at the
bottom of the menu.
The ICVC screen displays the following list of available
SERVICE screens:
• Alarm History
• Alert History
• Control Test
• Control Algorithm Status
• Equipment Configuration
• VFD Config Data
• Equipment Service
• Time and Date
• Attach to Network Device
• Log Out of Device
• ICVC Configuration
See Fig. 7 for additional screens and tables available from
the SERVICE screens listed above. Use the
eXIt
softkey
to return to the main MENU screen.
note:
To prevent unauthorised persons from accessing
the ICVC service screens, the ICVC automatically signs off
and password-protects itself if a key has not been pressed
for 15 minutes. The sequence is as follows. Fifteen minutes
after the last key is pressed, the default screen displays, the
ICVC screen light goes out (analogous to a screen saver),
and the ICVC logs out of the password-protected SERVICE
menu. Other screen and menus, such as the STATUS
screen can be accessed without the password by pressing
the appropriate softkey.
Name descriptor
Name table
Numerical
location of
CCN module
Always the
ICVC module
on the 19XRV
Other CCN
modules
Menu line