17
b) The Z version
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 heaters. The heat pump operates in the reserve
mode (symbol no.
14
is displayed). The possibility of switching to normal mode is
checked regularly. If the temperature of inlet air is higher than 7 °C the heat pump
switches to normal mode of operation (symbols
16
and
20
are displayed). The heaters
switch off. The heat pump is on, the screen remains unlit and inactive.
Setting the clock and day of the week
• Hold field no.
12
, until field no.
7
shows a flashing number of the day of the week.
• By pressing
+
or
–
you can set the number of the day of the week
(1
– Monday, …, 7 – Sunday).
• Press field no.
12
again (flashing hour setting is displayed).
• By pressing
+
or
–
set the hour (by holding
+
or
–
you can speed up the setting).
• Press field no.
12
again.
• Flashing minute setting is displayed.
• By pressing
+
or
–
set the minutes (by holding
+
or
–
you can speed up the setting).
• The setting is stored when you press field no.
12
, or when the field stops flashing.
Setting the temperature
• Press field no.
5
(the set temperature starts blinking).
• By pressing
+
or
–
you can change the temperature setting from 10 °C to 75 °C (preset
to economic temperature of 55 °C).
• The setting is stored by pressing field no.
5
again, or when field no.
5
stops flashing.
After a few seconds, the display shows the actual temperature.
In case of power failure, the last stored value is
restored.
Switching on the "TURBO" mode
• If you need more warm water than the heat pump can heat up in a short period of time,
press field no.
13
(switches on the "TURBO" mode). The heat pump and heater work
simultaneously. The screen shows symbols no.
14
,
16
and
20
. When the temperature
reaches 55 °C the heat pump returns to the mode used before the "TURBO" mode.
Switching on the "HOT" mode
• If you want to heat the water to the maximum temperature of 75 °C, press field no.
15
.
The heat pump will heat water to 55 °C. The screen displays symbols no.
16
in
20
.
When the temperature in the boiler reaches 55 °C the electric heater turns on to heat
the temperature up to 75 °C. The screen displays the symbol no.
14
. When the
temperature reaches 75 °C the heat pump returns to the mode used before the "HOT"
mode.
