Viessmann Vitodens 200 Start-Up/Service Instructions page 60

Additional Information
Control Unit for Weather-Responsive Operation
Overview of coding addresses (continued)
Coding (factory default
setting) Address: Value
042:070
044:020
045:065
046:045
049:___
050:___
055:040
085:032
086:032
088:007
089:008
099:000
0A0:020* 2
0A1:006
0A2:075
0A3:___
* 1 One increment corresponds to approx. 20 rpm.
* 2 Only effective with coding 028:000.
60
Function mode
Boiler water temperature in
heating mode
Heating circuit pump
Minimum rotational speed of
heating circuit pump; approx.
1100 rpm
Heating circuit pump
Maximum rotational speed of
heating circuit pump; approx.
1750 rpm
Heating circuit pump
Rotational speed of heating
circuit pump in reduced
operation; approx. 1200 rpm
Hours run ("hundreds") at 3rd
place from left
Hours run ("units") at 3rd place
and "tens" at 2nd place from left
Do not change
Do not change
Do not change
Do not change
Do not change
Possibility for connecting a DHW
recirculating pump (on timer
schedule)
Differential temperature between
desired boiler water temperature
and desired tank temperature
with domestic hot water heating
Do not change
Boiler Desired boiler temperature
with external request
167ºF / 75ºC
Do not change
with programming unit
Coding change Possible changes
Address: Value
000 to 82 Max. adjustable temperature limit
setting 180ºF / 82ºC
044:001 Lowest value for maximum rotational
to speed of
044:100* 1
heating circuit pump; approx. 700 rpm
Highest value for maximum rotational
speed of
heating circuit pump; approx. 2700 rpm
045:001 Lowest value for maximum rotational
to speed of heating circuit pump; approx.
045:100* 1
700 rpm
Highest value for maximum rotational
speed of heating circuit pump; approx.
2700 rpm
046:001 Lowest value for rotational speed
to of heating circuit pump in reduced
046:100* 1
operation; approx. 700 rpm
Highest value for rotational speed
of heating circuit pump in reduced
operation; approx. 2700 rpm
049:000 Reset hours run
050:000 Reset hours run
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099:001 Output signal for domestic hot water
production active (ON), whenever there
is a call for DHW only
0A0:10
to
0A0:50
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0A2:032 Setting range of desired boiler water
to temperature
0A2:127 90 to 261ºF / 32 to 127ºC (max.
possible
boiler water temperature 180ºF / 82ºC)
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Vitodens 200 WB2 Service
(continued)
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