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The control computer is operated with the help of a user friendly menu system that is displayed on the control
panel. There is a main menu and several sub-menus accessible from the main menu. The menus are
described in detail further down.
To be able to select the desired menu and increase or reduce preset values, you will use the five buttons.
The right-hand button on the control panel is used to open the desired menu.
The left-hand button is used to return to the previous menu.
The up and down buttons are used to navigate between the parameters of a menu.
A cursor (arrow) on the left-hand side of the display indicates which menu can be opened.
The up and down buttons are also used if you wish to increase or reduce a preset value.
For you to know at a glance the actual operating mode of the heat pump, one of the following symbols will be shown in the lower
part of the display depending on which part of the unit is working:
The heat pump is running.
The auxiliary heater is activated.
The figure next to the symbol indicates
capacity step.
There is a room heating demand.
When this symbol appears, the heat pump
HDO
is not running due to external signal stop it;
heat pump will restore running as soon as
signal input again
NOTICE
During heat pump running, if the water tank symbol twinkles once in every second, it means water tank
temperature is too low and it is in antifreezing protection. At the time warm water heating will forcibly start until
water temperature get to 20
Control panel
Functions
Symbols
, then go back to previous running mode.
Warm water is being produced.
Indicates the status of warm water
production. If the symbol is empty,
warm water temperature
the setting temperature.
If the symbol is full, warm water
temperatur
temperature
When this symbol appears, the
CSP
compressor was not running due to
high pressure of refrigerant system;
the compressor will be stopped as soon
as water temperature over 50 °C and
refrigerant system pressure over 4.0MPA,
electrical heater will start as supplementary;
compressor will restores as soon as water
temperature less than 50 °C and refrigerant
pressure get right.
is under
e reached to the setting
6
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