Buderus Logano GE615, Инструкция по установке и обслуживанию

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7 Heating system inspection and maintenance
Logano GE615 - We reserve the right to make any changes due to technical modifications. 50
7.4.1 Checking the operating pressure (sealed
systems)
On sealed heating systems the pressure gauge needle
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. The system needs
to be topped up with water.
z
Top up with water until the desired operating pressure
is reached.
z
Vent the heating system during filling.
Fig 66 Pressure gauge for sealed systems
1 Red needle
2 Pressure gauge needle
3 Green field
7.4.2 Checking the fill level (open systems)
In open systems, the hydrometer needle must lie within
the red field.
z
Check that the hydrometer needle is within the red
field.
z
Top up with water if the hydrometer needle is below the
red field.
V
Fig 67 Hydrometer for open systems
1 Hydrometer needle
2 Green needle
3 Red field
Create an operating pressure (overpressure)
of at least 1 bar.
6304 4901-04.0K