Rev.01 03-27-17
Page 55 of 71
Compu-Aire
8.2.6
Connection to the Controller
With reference to Figures 25-28 below, insert the board in the controller as follows:
1.
Disconnect the power supply to the controller and use a screwdriver, remove the serial
card cover.
2.
Remove the pre-cut plastic part from the cover to make a rectangular window cutout.
3.
Insert the optional board in the corresponding plug-in connector, initially holding it
diagonally and then making sure it is properly inserted and pushed up against the two
plastic supports on the case of the controller.
4.
Close the cover and aligning the connector on the serial board with the hole made in the
cover.
5.
Reconnect the power supply to the controller. If the controller supervisor serial
communication has been set to use the Carel protocol at 4800 baud, the red LED on the
board will come on for a few seconds and then will go off immediately, indicating
normal operation.
Figure 49 - Remove plastic cover
Figure 50- Cut out window
Figure 51 - Installing plugin card
Figure 52 - Replacing windows cover
8.2.7
Connection to the LonWorks® network
The physical connection to the LonWorks® network is performed using the connector with
removable terminals fitted on the board, according to the Echelon® instructions and
specifications. For further information on installation, maintenance, the cross-section and type
of cable, refer to the LonWorks® literature.
8.2.8
Service pin
To activate the service pin, simply momentarily short-circuit the two pins on the board (see
Figure 24) with the tip of a screwdriver or a similar tool. The service pin must only be activated
