Viessmann VITODENS 200-W Installation And Service Instructions Manual page 79

Diagnosis
(cont.)
Constant temperature control unit
1. Press OK and simultaneously for approx. 4 s.
å
" " flashes on the display.
Ü
2. Confirm with OK.
For explanations of individual scans, see the following table:
Brief scan
0
1
3
4
5
6
7 SNVT configu-
ration
0: Auto
1: Tool
8
9
A Diverter valve
status
0: Not installed
1: Heating
2: Central posi-
tion
3: DHW heating
b
c
C
d
E Software ver-
sion
1
Solar control
module, type
SM1
F Code 53 setting Internal details for calibration
1
F Software ver-
sion
2
3. Select the required scan with
"b" for "Max. output" (see following table):
4. Confirm selected scan with OK.
Display
System scheme 1 Software version
to 2 Control unit
Adjusted outside temperature
Set boiler water temperature
Common demand temperature
Set cylinder temperature
Number of KM BUS subscribers
Software version
Communication coprocessor
Subnet address/system number
Burner control unit type
Flow rate Max. heating output in %
1: Flow rate too
low or no volu-
metric flow
Boiler coding card (hexadecimal)
Flow rate (specified in l/h)
Version
Device
Software version
Burner control unit
AM1 extension
Output A1 config- Output A1
uration switching state
(value corre- 0: OFF
sponds to code 1: ON
33 setting)
EA1 extension
Diagnosis and service scans
/ . For example,
V v
Software version
Programming unit
Number of LON subscribers
Software version
LON module
Node address
Device type
Version
Burner control unit
0 0
Software version
Cascade module
Output A2 con- Output A2 switch-
figuration ing state
(value corre- 0: OFF
sponds to code 1: ON
34 setting)
79