
User Instructions for GECO GH21RA controller
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Page 22 Edition I
19.06.2013
7.4.
GA03HA room panel
The GH21RA controller is adapted to communicate with GECO’s GA03HA room panel,
enabling an easy overview of the boiler from the comfort of your home.
Connecting the GH21RA controller to the GA03HA room panel allows:
•
Changing the boiler output temperature setting
•
Changing the DHW (hot water) or returning temperature setting
•
All alarms to be viewed in text format
•
Monitoring of the heating system operations
•
Monitoring of the operation of devices (fan, feeder, CH pump, DHW pump);
•
Monitoring of all temperature measurements
If the GA03HA room panel is correctly connected to the controller, it will be automatically
detected by the controller and does not require any additional steps or settings from the user.
In this case, the controller works according to settings communicated by the room panel.
Disconnecting the room panel or damage to the cable connecting the panel to the controller
turns off lights behind the icon
on the screen of the GA03HA room panel.
Follow these steps in order to connect the GH21RA controller to the GA03HA room panel:
Step 1
Step 2
Step 3
Turn off the
driver using the
button
and unplug from
the power supply
→
Connect the
room panel to
the controller
using
connections
58-59-60-61
as shown in the
diagram below
→
Insert the plug
into a 230V
socket and turn
on the controller
using the button
Proper communication between the panel and controller is shown by
the icon
on the controller panel, in negation in the system
operation preview screen