146
Checking the fuse
F1
A
1.
Switch off the power.
2.
Release the side closures and pivot
the control unit down.
3.
Remove cover
A
.
4.
Check fuse F1 (see connection and
wiring diagram).
Extension kit for heating circuit with 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
Troubleshooting
Repair
(cont.)
5773 216 GB
Содержание Vitodens 222-F B2TA series
Страница 12: ...12 2 5 1 4 2x 3 Installing the boiler Removing the front panels 5773 216 GB...
Страница 13: ...13 1 2 SW17 Installing the boiler Siting and levelling the boiler 5773 216 GB Installation...
Страница 19: ...19 2x 4x 4 3 5 2 1 Installing the boiler Opening the control unit casing 5773 216 GB Installation...
Страница 29: ...29 5 4 2 6 2x 3 1 Installing the boiler Closing the control unit casing 5773 216 GB Installation...
Страница 31: ...31 4 1 5 2 2x 3 Installing the boiler Fitting the front panels 5773 216 GB Installation...
Страница 194: ...194 5773 216 GB...
Страница 195: ...195 5773 216 GB...