Service menu
AirModule –6 720 813 268(2014/10)
43
12.1.2 Settings for external inputs to the heat pump module.
In this menu it is possible to set how the voltage in the external inputs to
the heat pump module are interpreted. It is possible to select several
alternatives simultaneously. Depending on the system construction,
heat pump 1 or 2 must be selected.
12.2 Booster heater settings
Booster heater settings are selected in this menu. Booster heater
heating is required if the heat pump e.g. in the winter is not able to
produce sufficient heating or if the hot water demand cannot be satisfied
as quick as required.
12.2.1 General settings menu for a booster heater
Booster heater settings are selected in this menu. These settings apply
to all booster heater models. Here you can choose settings for e.g. how
heating with booster heater is managed and when the booster heater is
used.
Menu Item Setting range Description
Prim. heating pump mode Automatic The heat transfer pump operates when the compressor operates. When the compressor is turned off, the
pump is too.
On The heat transfer pump operates continuously.
Temp.diff. TC3/TC0 heating 3 ... 15 K Permitted temperature differential between the heat pump flow and return in heating mode ( Chapter
16.3).
Temp.diff. TC3/TC0 cooling 2 ... 10 K Permitted temperature differential between the heat pump flow and return in cooling mode. 3 K is the
recommended setting for all heating systems prepared for cooling mode.
Table 24 Settings for the pumps in the heat pump
Menu Item Setting range Description
Logic ext. connection 1 ... 3 High input High voltage in external input 1–3 is interpreted as “On ”and activates the corresponding function.
Low input Low voltage in external input 1–3 is interpreted as “On”.
Block compr. operation Off Compressor mode is possible.
On Compressor mode is blocked when input is active.
Block DHW mode Off DHW heating is possible when the input is active.
On DHW heating is blocked when the input is active.
Block heating mode Off Heating mode is possible when the input is active.
On Heating mode is blocked when the input is active.
Block cooling mode Off Cooling mode is possible when the input is active.
On Cooling mode is blocked when the input is active.
Overheating protection VK1 Off No temperature restriction (thermostat) for heating/cooling circuit 1 (underfloor heating system).
On Thermostat for temperature restriction for heating/cooling circuit 1 is connected to external inputs 1-3.
When the thermostat is activated, the heat pump module aborts the heating mode and turns off the
heating/cooling circuit.
Booster heater block Off Booster heater mode is possible when the input is active.
On Booster heater mode is blocked when the input is active.
Table 25 Settings for external inputs to the heat pump.
Always set Serial immersion heater when you install
heat pump module with integrated immersion heater.
Menu Item Setting range Description
Select an external heat
source
Not installed No booster heater connected.
Serial immersion heater An immersion heater is connected in a series circuit with the heat pump. The booster heater delivers extra
heating when the desired temperature cannot be reached by the heat pump alone.
Boost. heater with mixing
valve/heat pump alt.
A booster heater (gas, oil, electric) is connected in parallel to the heat pump. The heat from the booster
heater is regulated by a mixing valve. The heat pump and the booster heater operate in exclusive
operation. This means that either the heat pump operates, or the booster heater.
Parallel booster heater with
mixing valve
A booster heater (gas, oil, electric) is connected in parallel to the heat pump. The heat from the booster
heater is regulated by a mixing valve. The heat pump and the booster heater can work in parallel. In this
case, the booster heater delivers extra heating when the desired temperature cannot be reached by the
heat pump alone.
Booster heater delay on 0 ... 900 K × min The booster heater turns on with delay. Only the heat pump is active during the delay. The setting means
number of degrees K below the set value multiplied by number of minutes = K x min.
Booster heater only Yes Only the booster heater is used for heat production. The heat pump is turned off.
No Both the heat pump and the booster heater can be used for heat production.
Turn off the booster heater Yes Only the heat pump is used for heating. The booster heater will only start for the following functions: extra
DHW, thermal disinfection or alarm operation.
No Both the heat pump and the booster heater can be used for heat production.
Table 26 General settings for one booster heater
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