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5.6.2
Cable route
2
1
24-V eBUS cable route
2
230-V eBUS cable route
5.6.3
Wiring
30 mm max.
Caution.
Risk of material damage caused by incor-
rect installation.
Mains voltage at incorrect terminals and plug
terminals may destroy the electronics.
▶
Do not connect any mains voltage to the
eBUS terminals (+/-).
▶
Only connect the mains connection cable
to the terminals marked for the purpose.
1.
Shorten the connection cables to the appropriate
lengths to prevent them from causing damage inside
the electronics box.
2.
Screw the plug to the connection cable.
3.
Plug the plug into the slot provided on the PCB.
5.6.4
Establishing the power supply
1.
Observe all valid regulations.
–
The applicable regulations state that the connection
must be made via an electrical partition with a con-
tact opening of at least 3 mm at each pole.
–
Power supply cable: Flexible line
2.
Make sure that the rated voltage of the mains is 230 V.
0020258016_01 ecoTEC pure Installation and maintenance instructions
1
1
3.
Route a three-core power supply cable that complies
with the relevant standards through the grommet and
into the product.
4.
Observe the routing of the power supply cable (1) in the
grommet in order to guarantee that there is no strain.
5.
Open the electronics box. (→ Page 14)
6.
Screw the supplied plug (1) to a three-core power sup-
ply cable that complies with the relevant standards.
7.
Plug the plug for the power supply cable into a suitable
plug socket.
8.
Make sure that access to the power supply is always
available and is not covered or blocked.
9.
Close the electronics box.
5.6.5
Connecting controllers to the electronic
system
1
Safety thermostat for
underfloor heating
2
24 V (ON/OFF) control
1.
Open the electronics box (→ Page 14).
2.
Wire the unit. (→ Page 15)
3.
Connect the individual components depending on the
type of installation.
Installation 5
24 V
BUS
–
+
Burner
24V=
off
RT
BUS
1
2
3
X106
X41
X22
4
3
eBUS controller or radio
receiver unit
4
Outside temperature
sensor, wired
15
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