Assembly; Electrical Connection; Commissioning - Bosch EasyControl Adapter Installations- Und Bedienungsanleitung

Assembly

To dispose of old electrical or electronic appliances, you should
use the return and collection systems put in place in the country
concerned.
4 Assembly
The minimum requirements for installation of this product are:
• Before installation, check that the combination of the
thermostat, the EasyControl adaptor and the boiler is
possible.
• Assembly in bathrooms is not permitted
• A 2-wire cable is required for the assembly, see tables in the
chapter 7 "Technical data".
• Ensure that the cable length between the EasyControl
adaptor and the boiler is max. 2 metres, since long data
cables can cause faults.
▶ Open the EasyControl adaptor casing ( fig. 3).
▶ Mark the drill holes using the centre distance between the
elongated holes.
▶ Install the product using the provided screws and rawl
plugs.
▶ Tighten the screws finger-tight.
5

Electrical connection

CAUTION:
Risk of electric shock .
▶ There is the danger of an electric shock, if the unit is
touched.
See the installation instructions for the boiler for more
information on connecting the thermostat.
Thermostat and boiler connection
The "thermostat" and "boiler" cable clamps are not polarity
sensitive.
▶ Remove the boiler plug from the socket.
▶ Disconnect the thermostat.
▶ Connect the part of the 2-wire cable that connects to the
thermostat to the "thermostat"
22
.
cable clamps.
Bus connection
The EMS-bus is connected in the following way ( fig. 4):
[1] base plate
[2] thermostat or EMS module(s)
[3] EasyControl adaptor
[4] boiler
[5] boiler 2-wire cable
[6] power adaptor
[7] thermostat 2-wire cable
Zero volt contact
An on-off switching unit can be connected through the zero
volt contact ( fig. 5):
[1] normally open connection (NO)
[2] normally closed connection (NC)
[3] common (COM)
The default connection is COM-NO. Following a heat demand,
the NO contact closes.
▶ Close the EasyControl adaptor casing ( fig. 6).
▶ Connect the power adaptor to the EasyControl adaptor.
6

Commissioning

▶ Position the thermostat.
▶ Insert the boiler plug into a socket.
▶ Turn on the boiler.
▶ Insert the power adaptor into a socket.
The EasyControl adaptor will start initialising ( fig. 7).
The steps in table 1 are run through automatically.
# LED The EasyControl adaptor:
indication
1 Flashing red ... is receiving power and is waiting for
protocol detection.
2 Flashing blue ... is processing protocol detection.
3 Constantly ... has detected a supported protocol
blue and is initialising the internal database.
4 Constantly ... has received data from the boiler as
green well as from the thermostat.
5 Dimmed green ... is in operation.
Table 1 LED indication during initialisation
EasyControl Adapter – 6720884375 (2019/07)