30
EN
HEAT PUMP OPERATION
The heat pump can be operated using an LCD touch screen. If you press anywhere on the screen, the screen
lights up. When the heat pump is connected to the water and power supply mains and the boiler is filled with
water, the heat pump is ready to be used. The heat pump heats the water in the range 10 °C - 55 °C.
From 55 °C - 75 °C the water is heated by electrical heaters.
Fig. 16: Control display
Starting/stopping the heat pump
To start the heat pump, hold field no.
9
.
When the appliance is switched on, the fan starts first (symbol no.
20
is displayed). If the temperature of inlet air is
appropriate, the controlling unit switches on the compressor and the heat pump operates in normal mode
(symbols
16
and
20
are displayed). The heat pump is on, the screen remains unlit and inactive.
In 60 seconds after the last touch of the screen, the illumination and activity of the screen are turned off, but that
does not affect the operation of the heat pump. Pressing anywhere on the screen re-activates the screen and its
illumination.
If trying to start up at a lower temperature, please see chapter "Operation at lower temperatures".
By holding field no.
9
, the heat pump is switched off. The appliance stops functioning and the only field visible on
the screen is field no.
9
. (If you switch off the heat pump for a longer period of time, the water must be drained
from the pump if there is any danger of freezing).
Power failure protection
In case of power failure, the settings remain stored for several hours.
After restarting, the heat pump operates in the same mode it was operating in before the power failure.
Operation at lower temperatures
When the appliance is switched on, the fan starts first and operates for one minute (symbol no.
20
is displayed). If
the temperature of inlet air is lower than -7 °C, the fan is turned off. Domestic water is heated with a heater. The
Legend:
1 - Signalization of the operation of solar
collectors**
2 - Alternative source of heating turned on
(heaters)
3 - Signalization of the operation of the oil boiler**
4 - Indication, overview of operation errors,
entrance into the service menu
5 - Display and setup of temperature in °C
6 - Start and setup of the VACATION MODE
7 - Day of the week (1 ... Monday, …, 7 ..
Sunday)
8 - Reducing the value
9 - Heat pump on/off switch
10 - Increasing the value
11 - TIMER start and setup
12 - Time setup and display
13 - Start-up of quick heating – TURBO mode
14 - Indicator of the heating element operation
15 - Start-up of heating to the maximum
temperature level
16 - Signalization of compressor operation
17 - Signalization of anti-legionella programme
operation
18 - Warm water quantity display
19 - Signalization of defrosting
20 - Signalization of fan operation
** Function is not used
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