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Viessmann Vitodens 200-W WB2B 80 Start-Up/Service Instructions page 32

Wall-mounted, natural gas-fired condensing boiler
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Control Technology
Outdoor Reset Programming Unit
Room temperature setpoint adjustment
Standard Room Temperature
90
A
C
B
-20
D
E
Fig. 18 Example 1: Adjusting the
room temperature setpoint
from 20 to 26ºC
A Boiler water temperature / Supply
temperature in ºC
B Outdoor temperature in ºC
C Room temperature setpoint in ºC
D Heating circuit pump "OFF"
E Heating circuit pump "ON"
Room Temperature Setback
90
A
C
B
-20
D
E
Fig. 19 Example 2: Adjusting the
room temperature setback
from 5 to 14ºC
A Boiler water temperature / Supply
temperature in ºC
B Outdoor temperature in ºC
C Room temperature setpoint in ºC
D Heating circuit pump "OFF"
E Heating circuit pump "ON"
32
(continued)
r " flashes on the
1. Press "⊕". "1r
r
r
display.
2. Press "
" to select a heating circuit
without a mixing valve
or
r " flashes on the
r
r
3. Press "⊕". "2r
display.
4. Press "
" to select a heating circuit
with mixing valve.
5. Adjust the day temperature setpoint
with rotary selector "ts". The value
will automatically be accepted after
approx. 2 sec. The heating curve will
be adjusted accordingly along the
room temperature setpoint axis C,
which results in modified start/stop
characteristics of the heating circuit
pumps if the heating circuit pump
logic is enabled.
r " flashes on the
1. Press "⊕". "1r
r
r
display.
2. Press "
" to select a heating circuit
without a mixing valve
or
r " flashes on the
r
r
3. Press "⊕". "2r
display.
4. Press "
" to select a heating circuit
with a mixing valve.
5. Press "tm" for night temperature
setback.
6. Press "⊕ /
" to change value.
" to confirm value.
7. "
Temperature conversion:
˚C
˚F
-20
-4
20
68
26
79
90
194
Temperature conversion:
˚C
˚F
-20
-4
5
41
14
57
20
68
90
194

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