Service menu
AirModule 6 720 813 268(2014/10)
52
12.4
DHW settings
Fig. 46 DHW settings menu
This menu contains the DHW system settings. The menu is used to e.g.
set maximum DHW temperature. You will also set thermal disinfection
time and temperature here.
6 720 811 136-503.1O
The DHW system is delivered activated. If the DHW
system is activated, but there is no DHW system
installed, the user interface will indicate an operating
error.
▶ If there is no DHW system installed in the system,
then the DHW system must be deactivated in the
commissioning or DHW menu.
WARNING:
Risk of scalding!
Maximum DHW temperature (
Max. DHW temp.
) can be
set above 60 °C and during thermal disinfection the
DHW will be heated to above 60 °C.
▶ Inform the customer and ensure that there is a
thermostatic DHW mixer or a similar appliance
installed to prevent scalding.
Menu Item
Setting range
Description
DHW system
Off
If there is a DHW system installed, it will be deactivated with this setting.
On
If the DHW system has been deactivated with the above item, it can be reactivated here.
DHW
e.g. 15 –
60 °C
... 80 °C ON temperature and OFF temperature for operation DHW; the setting range depends on the installed heat
source. Comfort mode, which provides more/hotter DHW. Select this operating mode when DHW recirculation
is used, to maintain the temperature in the DHW circuit.
DHW reduced
e.g. 15 –
45
... 60 °C
(80 °C)
ON temperature and OFF temperature for mode DHW reduced; the setting range depends on the installed heat
source. ECO mode allows the DHW to cool down more before the heating starts and stops at a lower stop
temperature than comfort mode. This decreases energy consumption.
DHW circulation pump
On
If the DHW circulation pump is controlled by the heat source, the DHW circulation pump must be activated here
too. The standard settings depend on the installed heat source.
Off
The DHW circulation pump cannot be controlled by the heat source.
DHW circulation pump mode Off
DHW circ. OFF
On
Circulation is permanently activated (connection frequency is followed)
DHW circulation pump
mode
Activate the same time program for circulation as for DHW heating. More information about this and about how
you set your own time program (
user interface operating instructions).
Own time program
Activate own time program for circulation. More information about this and about how you set your own time
program (
user interface operating instructions).
Start frequency DHW circ.
If the DHW circulation pump is activated or works continuously according to the DHW circulation pump time
program (operating mode DHW circulation pump: On), this setting affects the operation of the DHW circulation
pump.
1 x 3 minutes/h ...
6 x 3 minutes/h
Circulation is started 1 to 6 times per hour for operation with a duration of 3 minutes. The standard settings
depend on the installed heat source.
Permanently
The DHW circulation pump is continuously in operation.
Thermal disinfection
Yes
Thermal disinfection starts automatically at the same time (e.g. Mondays at 02:00,
No
Thermal disinfection does not start automatically.
Therm. disinfection day
Monday ...
Tuesday
...
Sunday
The day that thermal disinfection is executed.
Daily
Thermal disinfection is executed daily.
Therm. disinfection time
00:00 ...
02:00
... 23:45
Time that the thermal disinfection starts on the set day.
Max. period
60 min ... 240 min
Maximum time of thermal disinfection. Setting range depends on the installed heat pump module.
Extra DHW temperature
50 ... 70 °C
Switch-off temperature for extra DHW.
Daily heat-up
Yes
The entire DHW volume is automatically heated to 60 °C daily at the same time.
No
No daily heating
Daily heat-up time
00:00 ...
02:00
... 23:45
Time when daily heating to 60 °C starts.
DHW heat pump 1
(DHW heat pump 2)
On
The selected heat pump is used for DHW heating. The menu is displayed only if the system is connected in
series.
Off
The selected heat pump is not used for DHW heating. The menu is displayed only if the system is connected in
series.
DHW priority
Heating need is interrupted by DHW need (
Table 34 DHW menu settings
