Domestic Hot Water Heat Pump Service Manual
56
The water temperature at which the unit stops the backup mode with only
the electric heater.
The legionella function can be activated. The legionella function does not
switch the heat pump on, but just continues the heat up cycle to a higher
temperature D14 (Legionella T). The legionella operation works only with
the heat pump until 60°C. The remaining temperature lift is accomplished
with the electric heater alone.
The legionella temperature set point can be regulated.
The legionella week day can be set
The forced operation of the heat pump can be activated here. The heat
pump starts even if there is no demand for hot water. When the maximum
temperature allowed by the heat pump is reached the unit will stop. This
function is to use for testing purposes. It becomes OFF again after one
heat up cycle is completed.
The start and stop time of the low electricity tariff period for weekdays.
Three periods can be selected.
The start and stop time of the low electricity tariff period for weekends.
Three periods can be selected.
Light Saving Time can be deactivated.
The minimum voltage (V) required to start the HP when the PV function is
active.
The minimum voltage (V) required to start the electric heater when the
PV function is active.
The minimum time (minutes) at which the input voltage from the PV panel
should be above the set point D20/D21 (PV min Voltage HP/EL) in order to
start the electric heater or heat pump when the PV function is active D22
also regulates the minimum heat pump operational time when started by
the PV function.
The maximum allowed temperature (°C) in the solar collector.
The minimum temperature (°C) difference between solar collector and
tank.
The temperature (°C) that needs to be in the tank to allow the floor function
to be active with hysteresis of 1K.
The desired extra function is selected here. The possible functions are
Solar, Floor or Cooling. Once the function is activated, move to the function
menu and adjust the set point as desired.
OFF/ Solar/
Floor/
Cooling