Control Unit - Viessmann VITODENS 200-W Installation Instructions Manual
4.8 to 35.0 kw wall mounted gas fired condensing boiler natural gas and lpg version
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Also See for VITODENS 200-W:
- Installation and service instructions manual (188 pages) ,
- Installation instructions manual (184 pages) ,
- Service instructions manual (150 pages)
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Vitoden 200-W installation
Constant temperature control unit
Control and display elements
A
Pressure gauge
B
Fault display (red)
C
ON indicator (green)
D
Reset button
Heating mode
The selected set boiler water temperature
will be maintained when a demand is
created by the room thermostat and the
heating programme is set to DHW and
central heating
temperature will be maintained at the
default frost protection temperature when
there is no demand.
4/9/07
7:27 pm
. The boiler water
Page 29
E
User interface
F
ON/OFF switch
The boiler water temperature will be
limited:
• To 74ºC by the control thermostat
inside the burner control unit.
• To 82ºC by the electronic temperature
limiter inside the burner control unit.
• To 100ºC by the temperature limiter in
the safety chain (interlocks the burner
control unit).
29
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