Operation Manual

Info menu
Manual control
Chimney sweeper function
Display of information
Various data can be displayed by
pressing the info button.
Possible info
Depending on the type of unit, the
configuration and operating state,
some of the info lines listed below may
not appear.
 Error message
 Maintenance message
 Room temperature
 Room temperature minimum
 Room temperature maximum
 Boiler temperature
 Outside temperature
 Outside temperature minimum
 Outside temperature maximum
Room temperature
0 4 8 12 16 20 24
A U T O
 DHW temperature
 State of Boiler
 State of DHW
 State of HC1/2
 Time / Date
 Telephone customer
service
Manual control
When manual control is activated, the
relays are no longer energized and
deenergized according to the control
status but are set to a predefined
manual control status in accordance
with their functions.
Boiler, Heating circuit, Transport and
DHW pump are switched ON,
Buffer pump is OFF.
The heating circuit mixer on the AGU
2500 controls to half of average value.
Setpoint adjustment in manual
operation
After manual operation has been
activated, a change to the basic display
must be made where the service /
special mode symbol appears.
The setpoint for manual control can be
adjusted in the Boiler menu on
parameter 2214.
Chimney sweep function
To start the chimney sweep function,
press the button for a moment (<3 sec.).
This function produces the operating
state required to make emission
measurements (flue gas).
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