Buderus 500 - 24/S, Инструкция по установке и обслуживанию

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Commissioning 2
Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006 33
Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk
2.1.2 DBA adjustments
The boiler is equipped with a DBA. This is the internal control
of the boiler. The DBA is located behind the access panel.
The DBA allows you to operate the boiler and to make adjust-
ments in its settings.
DBA overview:
1. Mains switch (see fig. 45)
Use this switch to turn the boiler on or off.
2. Reset button "
B
" (see fig. 45)
When a blinking code is in the display, it is possible to try and
restart the boiler by pressing this button.
3. Service Button "
A
" (see fig. 45)
The boiler will operate on partial load when the Service button
"
A
" is pressed once. An open-end spanner "
F
" appears in
the top left hand corner of the display (fig. 46).
Press the
C
button if you want to make sure that the boiler is
actually operating at partial load ('
Lo
' appears in the display,
fig. 47).
fig. 45 DBA
item 1: mains switch
item 2: "reset" button
item 3: "service" button
item 4: display
item 5: "menu" button
item 6: adjusting arrow up
item 7: adjusting arrow down
2
1
7
3 4 5 6
NOTE
It is not possible to reset the boiler when there
is no fault code blinking in the display.
fig. 46 DBA with open-end spanner
fig. 47 DBA display Lo