Viessmann VITODENS 200 Start-Up And Service Instructions page 54

Additional Information
Control Unit for Weather-Responsive Operation
Overview of coding addresses (continued)
Coding (factory Function mode
default setting)
Address: Value
042:070 Boiler water temperature in heating mode
044:030
Heating
circuit
pump
045:065 Heating
circuit
pump
046:045 Heating
circuit
pump
049:___ Hours run ("hundreds") at 3rd place from left
050:___ Hours run ("units") at 3rd place and
"tens" at 2nd place from left
055:040 Do not change
085:032 Do not change
086:032 Do not change
088:007 Do not change
089:008 Do not change
099:000 Possibility for connecting a DHW
recirculating pump (on timer schedule)
*2
0A0:020 Differential temperature between desired
boiler water temperature and desired
tank temperature with domestic hot water
heating
0A1:000 Do not change
0A2:075 Boiler
0A3:___ Do not change
*1
One increment corresponds to approx. 20 rpm.
*2
Only effective with coding 028:000.
54
Minimum rotational speed of
heating circuit pump; approx.
1100 rpm
Maximum rotational speed of
heating circuit pump; approx.
1750 rpm
Rotational speed of heating
circuit pump in reduced ope-
ration; approx. 1200 rpm
Desired boiler temperature
with external request
167 ºF/75 ºC
with programming unit
(continued)
Coding Possible changes
change
Address: Value
000 to 82 Max. adjustable temperature limit setting
180ºF / 82ºC
044:001 Lowest value for minimum rotational speed of
to heating circuit pump; approx. 700 rpm
*1
044:100 Highest value for minimum rotational speed of
heating circuit pump; approx. 2700 rpm
045:001 Lowest value for maximum rotational speed of
to heating circuit pump; approx. 700 rpm
*1
045:100 Highest value for maximum rotational speed of
heating circuit pump; approx. 2700 rpm
046:001 Lowest value for rotational speed of heating cir-
to cuit pump in reduced operation; approx. 700 rpm
*1
046:100 Highest value for rotational speed of heating cir-
cuit pump in reduced operation; approx. 2700 rpm
049:000 Reset hours run
050:000 Reset hours run
099:001 Output signal for domestic hot water
production active (ON), whenever there is a call
for DHW only
0A0:10
to
0A0:50
0A2:032 Setting range of desired boiler water tempera-
to ture 90 to 261 ºF/32 to 127 ºC (max. possible
0A2:127 boiler water temperature 180 ºF/82 ºC)