User Instructions for GECO GH21RA controller
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Page 40 Edition I
19.06.2013
If the GA03HA room panel is correctly connected to the controller, it will be automatically
detected and does not require any additional steps or settings from the user. In this case, the
controller works according to the settings on the room panel.
Disconnecting the room panel (interrupting communication) or damage to the cable
connecting the room panel and the controller turns off the light under the icon
on the
GA03HA room panel screen, and shows that the function has been disabled, in the system
operations preview.
In order to connect the GH21RA controller to the GA03HA room panel:
Step 1
Step 2
Step 3
Turn off the
controller with
button
And unplug the
power cable from
the wall
→
Connect the
room panel to
the controller
using
connections
58-59-60-61
as shown in
diagram 12.1
→
Insert the plug
into a 230V
socket and turn
on the controller
using the button
Diagram 12.1 connecting the GA03HA room panel to the GH21RA controller
Proper communication between the controller and room panel is
indicated by an illuminated LED under the icon on the GA03HA room
panel
Proper communication between the room panel and controller is shown
on the controller in system operations preview when the panel icon is lit