20
F205P
For the Installer
Temperature levels
Temperature levels
Hot water temperature, anti freeze and periodic increase
of the hot water are set using dipswitch (S1) on the circuit
board (34). The image below shows the dip switch in the
factory setting.
Hot water temp.
The compressor starts when the temperature at the com-
pressor sensor drops to 50°. The compressor stops when
the temperature reaches 53°. This means that the hot wa-
ter temperature will be between 50-53 °C. If hotter water
is required, the compressor’s start and stop temperatures
can be increased by seven degrees.
Activate the function by setting switch 1 on the dip switch
(S1) to ON.
Periodic increase
F205P has a function for periodic increases of the hot wa-
ter temperature. The hot water temperature is increased to
about 60 °C.
Activate the function by setting switch 4 on the dip switch
(S1) to ON and by setting switch, hot water prioritisation
(25) to Auto.
Then choose how often the increase is to occur. The fac-
tory setting is once every seven days, but by setting switch
3 on the dip switch (S1) to ON the increase occurs once a
day.
During periodic increases, the circulation pump is off and
heating is produced mostly by the immersion heater only.
The energy saving is affected negatively.
4 3 2 1
OFF off 7 days off 50/53
ON on every day on 57/60
1 Hot water temp. with compressor (°C)
2 Hot water prioritisation
3 Interval for periodic increase
4 Periodic increase off/on
4 3 2 1
ON
Hot water prioritising
In cases where continuous operation of the circulation
pump is required, F205P is also equipped with a switch
(18) which can be shifted between continuous and auto-
matic operation, i.e. when the control system determines
whether the circulation pump is to be in operation or not,
see section ”Electrical connection” - ”Circulation pump
control”.
Note! If continuous operation is selected, hot water priori-
tisation does not work. The periodic temperature increase
should not be activated.
If hot water prioritisation is activated, all energy from the
compressor and immersion heater is used (if 2 on switch is
selected) to heat the water. This normally happens when
the temperature at the immersion heater sensor (88) drops
to 48 °C. The circulation pump starts again when the
temperature reaches 51 °C. These temperatures can be
reduced two degrees (i.e. 46 respectively 49 °C) to delay
prioritisation slightly. This is done by changing the position
of switch number 2 on the circuit board (34) to ”ON”.
F205P has a 3-position switch (25) to select the suitable
hot water operation, so-called hot water prioritisation.
The following three positions can be selected:
Off This means that hot water prioritisation is not acti-
vated.
To Hot water prioritisation is activated.
Auto Not used. Same function as "On".
During periodic increase, the immersion
heater also connects when position 1 on
the switch is selected.
Note!
34
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