141
Extension kit, mixer
Checking the setting of rotary selec-
tor S1
The rotary selector on the PCB of the
extension kit defines the assignment to
the relevant heating circuit.
Heating circuit
Rotary se-
lector S1 set-
ting
Heating circuit with mix-
er M2
(Heating circuit 2)
2
2 3 4
5
6
10
9 8 7
Heating circuit with mix-
er M3
(Heating circuit 3)
4
4
2 3
5
6
10
9 8 7
Checking the rotational direction of
the mixer motor
After being switched on, the boiler imple-
ments a self-test. During this, the mixer
is opened and closed again.
Note
The mixer motor can also be started via
the actuator test (see chapter "Checking
outputs").
Note the rotational direction of the mixer
motor during its self-test.
Then set the mixer manually to "Open"
again.
Note
The flow temperature sensor must now
capture a higher temperature. If the tem-
perature drops, either the motor is turn-
ing in the wrong direction or the mixer
insert is incorrectly fitted.
Mixer installation instructions
Changing the rotational direction of the mixer motor (if required)
gS
BU
|
~
1.
Remove the upper casing cover of
the extension kit.
Danger
An electric shock can be life-
threatening.
Before opening the boiler, dis-
connect from the mains volt-
age, e.g. at the fuse or the
mains isolator.
2.
At plug
gS
, swap the cores at termi-
nals "
|
" and "
~
".
Troubleshooting
Maintenance
(cont.)
5585 174 GB
Service