Buderus Logano G215 WS, Инструкция по установке и обслуживанию

Страница: 50 / 62

Heating system inspection and maintenance 11
Logano G215 WS - We reserve the right to make any changes due to technical modifications. 50
z
Close the burner door with both hexagon bolts.
Tighten the hexagon bolts evenly to properly seal the
burner door.
11.3.2 Wet cleaning (chemical cleaning)
When wet-cleaning, use a cleaning agent appropriate to
the level of contamination (soot level and encrusted
residues).
Proceed with the wet cleaning in the same order as
described for cleaning with brushes (
Î
Section 11.3.1,
page 49).
z
Cover the control device with plastic to prevent spray
from entering the control device.
z
Spray cleaning agent evenly into the hot gas flues.
z
Close the burner door, plug in the burner plug and
start the heating system.
z
Heat the boiler water temperature to at least 70 °C.
z
Shut down the heating system.
z
Brush out the hot gas flues.
11.4 Checking the heating system operating pressure
On sealed systems the pressure gauge marker must be
within the green field.
Ensure that the red pressure gauge needle is set to the
required operating pressure.
z
Check the heating system operating pressure.
The operating pressure is too low if the pressure gauge
needle indicates below the green field. In this case, top
up with water.
USER NOTE
You can obtain suitable packing cord from
your local Buderus sales office.
USER NOTE
Observe the operating instructions for the
cleaning agent. You may need to proceed
differently from the method described
here.
Fig. 75 Pressure gauge for sealed systems
1
Red needle
2
Pressure gauge needle
3
Green field
3
1
2
USER NOTE
z
Set the overpressure to at least 1 bar.