46
Troubleshooting
Repairs
(cont.)
Checking VitotronicĂ050
(accessory)
To select a VitotronicĂ050, the Viessmann 2Ćwire BUS extension module is
required in the boiler control unit, plus an additional communication module in
VitotronicĂ050.
Checking the Viessmann 2Ćwire BUS and the data connection to VitotronicĂ050
With standard programming unit
1.
Set the heating program selector
switch to "
T
".
2.
Set rotary selectorĂ"
s
" to "
ć6
".
3.
Simultaneously press keysĂ"
u
"
and "
1Ć7
".
4.
Evaluate the display.
With VitotronicĂ050
Expansion module not recognised
Expansion module recognised
5.
Check the correct installation if the
extension module or VitotronicĂ050
are not recognised.
Please note:
A green LED on the expansion
module flashes if the data bus is
OK. The data cableĂ"X
Ă
5.3"
Ă
Ć
Ă
"X
Ă
5.4"
may be interchanged, if the LED is
not lit.
5692Ă485
G
B
12:00
°C
-
+
1-7
?
1 2 3 4 5 6 7
8+
-7
4
N
5
1
0
2
Summary of Contents for Vitodens 200
Page 25: ...25 Initial start up inspection and maintenance 5692Ă485 GB ...
Page 96: ...96 Control unit for weather compensated mode with Comfortrol prog unit 5692Ă485 GB ...
Page 99: ...101 5692Ă485ĂGB ...
Page 105: ...109 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
Page 107: ...111 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
Page 109: ...113 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
