Ochsner AIR FALCON 212, Operating Manual, Page: 34 / 88

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DHW circuit
Activating anti-legionella mode
»
Open the menu.
»
Select the DHW circuit for which you want to make a
change.
»
Select “Operating program”.
»
Select “Operating program, anti-legionella mode”.
»
Change the setting to “Time program”.
»
Return to the main screen.
»
Set the anti-legionella mode time program. (See page
35, Setting a time program)
Target value and switching differential
Parameters Description Unit
DHW temper-
ature:
Target value
for Anti-le-
gionella mode
In anti-legionella mode, the temperature
is regulated to the target value set here.
°C
Switch-ON
differential:
Anti-legionella
mode
Heating is enabled under the following
conditions:
K
The temperature is regulated to the target
value: Target value for anti-legionella
mode
The DHW temperature falls below the tar-
get value by the value set here.
Setting the target value and switching differential
»
Open the menu.
»
Select the DHW circuit for which you want to make a
change.
»
Select “Settings”.
»
Make the required settings.
»
Return to the main screen.
12.5 DHW heat input
Parameters Description Unit
DHW heat
input
The heat input for DHW heating is set
here. Depending on which DHW tank is
used, the DHW heat input must be adjust-
ed for optimum operation. This parameter
is set by OCHSNER Customer Service
during commissioning.
kW
Setting the DHW heat input
»
Open the menu.
»
Select the DHW circuit for which you want to make a
change.
»
Select “Settings”.
»
Make the required settings.
»
Return to the main screen.
12.6 Frost protection
When the DHW circuit is switched off, frost protection pre -
vents the heat sink system from freezing.
If the temperature in the heat sink system falls below the
frost protection temperature, the heat pump switches to
frost protection mode.
Frost protection mode runs until the temperature in the
heat sink system increases to 5K above the frost protection
temperature.
12.7 Operating data
In this submenu, you can view the individual data of the
DHW circuit. The values in this menu cannot be changed.
Description Unit
DHW temperature The current DHW temperature is
displayed on the DHW temperature
sensor.
°C
DHW operating
status
The operating status of the DHW circuit
is displayed here.
-
Operating
program
switched off
The DHW circuit is switched off by se-
lecting the OFF operating program
Frost protec-
tion mode
The DHW circuit is in frost protection
mode.
Standby The set target value has been reached.
There is no DHW demand.
Anti-legionel-
la mode
The DHW circuit is in anti-legionella
mode.
Reduced
charging
The temperature is regulated to the tar-
get value: Target value for Reduced
Eco charging The temperature is regulated to the tar-
get value: Target value for Eco
Comfort
charging
The temperature is regulated to the tar-
get value: Target value for Comfort
Boost charg-
ing
The temperature is regulated to the tar-
get value: Target value for Boost
Charge abort-
ed
There is a charging shutdown.
Priority mode There is a smart grid demand. The heat
pump is in the following mode: Priority
mode