NOTE: To prevent air being trapped in the top of the heat exchanger it is recommended to
flush the heat exchanger with the 12mm tubing (B) – see Fig 5/A. – connected to the flow
pipe within the combustion chamber after completion of the above steps.
5 Commissioning and Testing
5.1 Filling the Central Heating Circuit
Note: Control indicated is the Constant temperature model, if controls incorporating clock
or weather compensation are used the same procedure applies.
Figure 5/A: Venting the boiler, Venting the heating system, Adjusting Max boiler output (Range Rating)
5.2 Venting the Boiler
a)
Start the control unit and select code 1 by simultaneously pressing and
for approximately 2 seconds (See fig 5/A).
b)
Using select coding 2F:2 when the diverter valve will be in the central
position and display shows bF in Constant temperature mode. Weather
compensated mode will show ‘VENTING’.
c)
Close the isolation flow valve (A) on the central heating side.
d)
Connect the drain hose on the upper valve (B) to a drain point (See fig 5A)
overleaf.
A Heating Programs
B Comfort Mode
C Information
D Basic Settings
E Confirm/acknowledge
F Setting Valves
G DHW temperature
H Emissions test function
K Boiler water temperature
+
_
37
Содержание VITODENS 200 WB2A
Страница 8: ...2 6 Hydraulic Circuit Figure 2 B Hydraulic Circuit 2 Technical Specifications 8 ...
Страница 23: ...Figure 4 B Full Wall template 4 Installation Procedure 23 ...
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