6720856749 (2016/03)CR50
Commissioning | 5
▶ In the case of external inductive interferences (e.g. from
photovoltaic systems), use shielded cables (e.g. LIYCY)
and earth the shield on one side. Connect the shield to the
building's earthing system, such as to a free earth
conductor terminal or water pipe.
▶ Establish a BUS connection to the heat source.
Fig. 6 Connection of the user interface to a heat source
1) Terminal identification:
On heat sources with an OpenThermBUS system: OT
On heat sources with a BUS system EMS 2 ABBAS
On heat sources with a 2-wire BUS: BB
3.4 Hooking in or removing the user interface
Fitting the user interface
1. Hook in the user interface at the top.
2. Click in the user interface at the bottom.
Fig. 7 Fitting the user interface
Removing the user interface
1. Press the button on the underside of the plinth.
2. Pull the bottom of the user interface away from the plate.
3. Remove the user interface by lifting upward.
Fig. 8 Removing the user interface
4 Commissioning
▶ First make all electrical connections and then carry out
commissioning.
▶ Follow all installation instructions for all components and
assemblies in the system.
▶ Turn on the mains power supply.
▶ Set the heat source to the maximum flow temperature
needed and activate the automatic operation for water
heating.
Once the user interface is connected to the power supply,
the language selection appears on the display.
▶ Make adjustments by turning and pressing the selector.
▶ Set the language.
The display switches to the date setting.
BUS
0010008722-001
BUS/
BB/OT
1)
6 720 809 984-06.1O
1.
1.
2.
6 720 809 984-07.1O
3.
1.
2.
0010005965-001
english
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