Viessmann VITODENS 200 WB2A, Инструкция по установке и обслуживанию

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a)
Close the gas shut off valve and start the control unit
b)
Use and simultaneously to activate code 1 and use to
activate the venting program via coding address 2F:1(See fig 5/A).
c)
Under this coding the diverter valve is opened and closed for 20 minutes to
assist venting and the display will show EL in Constant temperature mode.
Weather compensated mode will show ‘VENTING’. After 20 minutes the
coding will automatically return to 2F:0.
d)
Check the system pressure and top up if necessary
e)
Press and simultaneously to deactivate coding 1 and return
controller to normal operation.
f)
Disconnect the filling loop flexible hose.
a)
Start up the boiler.
b)
Refer to Figure 5/A. Press and simultaneously until 85 flashes on
the display (= rated output) and appears. On weather compensated
controls the display additionally shows ’Max output’
c)
With buttons select the required value in % of rated output as max output.
d)
Confirm the set value with.
e)
Record the setting of max output on the additional data plate included with the
technical documentation. Affix this data plate next to the original data plate on top
of the boiler.
f)
Ensure that the new maximum output is sufficient to cope with the demand.
Maximum Heating Output Adjustment (if required)
The gas control is fully modulating and will normally facilitate a rapid heat up at maximum output
followed by a continually controlled heat output. If the system has a particularly low heating load
it is possible to restrict the maximum heating output to prevent short cycling.
To adjust the heating output, proceed as follows.
5.3 Venting the Heating System
5 Commissioning and Testing
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