AU12 Installation Manual and Technical Service
34
EN
Aerothermal collector
1.
Used to adjust the maximum and minimum fan speed percentage allowed. The
recommended minimum is 40% and the recommended maximum is 70%.
2.
Used to adjust the difference in air-antifreeze agent target temperatures to control
the fan. The recommended temperature setting is 4ºC.
3.
Used to adjust the nominal operation factor (ASFnominal) of the aerothermal
collector.
The recommended ASF = 0.9 for installations with a single aerothermal unit and ASF = 0.45 for installations with two aerothermal
units, regardless of the ecoGEO model installed and whether the installation is aerothermal or hybrid.
An ASF that adjusts more closely to your specific installation. To do so, operate the heat pump to start generating heat (DHW,
heating or pool) at sufficient power for the fan to be operating at the full speed setting (the speed can be checked at any time in
the user menu/information). Once this is done, make sure there is no frost or dirt on the AU12 unit. Read the nominal ASF value of
the installation in the user menu/information. Configure the control with the setting obtained.
Defrost
1.
Used to adjust the defrost program of the aerothermal collector and to adjust its
parameters.
2.
Used to adjust the production system used as a heat source to perform defrosting
(heating / DHW / pool). Remember that heat will be diverted from this system to
defrost, so its temperature will drop slightly.
3.
Used to adjust the deviation with regard to the ASFnominal that the defrost program
starts up with. The recommended setting is 50%.
4.
Used to adjust the brine fluid temperature required to finish the defrost program.
The recommended temperature setting is 12ºC or above.
5.
Used to adjust the maximum defrost program operation time. The recommended
time setting is 20 min.
Hybrid system
1.
Used to adjust the minimum power percentage absorbed by each collector. If the
power percentage absorbed by one of the collectors decreases below the established
limit, it is disabled. The recommended initial setting is 20%; however, these settings
must be adapted to the type of geothermal collector and its limitations.
2.
Used to set a minimum input temperature for the geothermal collector; below this
temperature, the geothermal collector will be disabled. This option is useful for
disabling horizontal brine systems when they are blocked, thereby assisting in their
recovery.
Note:
This screen is only available for hybrid brine systems.
5.2.
Information found in the user menu
The user menu/information has two screens that are specific for the aerothermal and hybrid brine systems. Press
for quick
access to the information menu from the main screen.
Aerothermal source
Min
Max
Fan:
40
70%
DTair unit :
4.0C
ASFnominal:
0.45
Defrosting
Enable:
Defrosting by:
DHW
Start:
ASFstart:
Frost factor:
+50%
End:
StopT:
12.0C
Max. time:
20min
Hybrid system
Sources
DHW
%min air:
20%
%min ground:
20%
+50%
Geothermal protection
12.0C
minimumT:
12.0 C
20min
User menu
7/8
Pool
Information
Alarms
