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10
Comfort setting heating
General
The indoor temperature depends on several factors.
Sunlight and heat emissions from people and household
machines are normally sufcient to keep the house warm
during the warmer parts of the year.
When it gets colder outside, the heating system must be
started. The colder it is outside, the warmer radiators and
under oor heating systems must be.
Controlling heat production
Normally, the heat pump heats the water (heating medium) to
the temperature required at a certain outdoor temperature. This
occurs automatically on the basis of the collected temperature
values from the outdoor sensor and sensors on the lines to the
radiators (supply water sensors). Extra accessories such as room
sensors, can inuence the temperature.
In order to operate the system properly, the correct settings
must be made on the heat pump rst, see the section “Default
Heating curve setting”.
The outdoor sensor (mounted on an exterior wall of the house)
senses variations in the outdoor temperature early on, sends the
information to the heat pump control computer and heating
operation is started. It does not have to be cold inside the house
before the control system is activated. As soon as the
temperature drops outside, the temperature of the water to the
radiators (supply temp.) inside the house is increased
automatically.
The heat pumps ow temperature (menu 2.0) will hover around
the theoretical required value, which is in brackets on the
display.
Temperature of the heating system
The temperature of the heating system in relation to the
outdoor temperature can be determined by you by selecting a
heat curve and by using the “Offset heating curve” knob on the
heat pump’s front panel.
Operating status
The “Operating mode” button is used to set the required
operating mode.
The change does not need to be confirmed with the
enter button.
The current operating mode is shown on the front panel display
when the button is pressed and the mode changes when you
continue to press the button.
The display returns to the normal display mode once the enter
button is pressed.
The electric heater is only used for anti-freeze if it is deactivated
in the menu system for all operating modes.
There are different operating modes to choose:
1. “Auto”
Indoor unit automatically selects the operating mode by
taking the outdoor temperature into account. This means
that the operating mode switches between "Heating" and
“Hot water”.
The circulation pump is permitted to operate when there is
a need.
2. “AutoC”*
Indoor unit selects operating mode automatically (cooling
can also be selected now) by the outdoor temperature. This
means that the operating mode switches between
“Heating”, “Cooling” and “Hot water”.
The circulation pump is permitted to operate when there is
a need.
3. Heating
Only heating and hot water mode.
The circulation pump is in operation the entire time.
Electirc heater is energized if necessary.
4. Cooling*
Heat pump is used for cooling only if electric heater use is
allowed. Otherwise, it is used for both cooling and hot water.
The circulation pump is in operation the entire time.
5. Hot water
Only hot water is produced.
Only the compressor is operational.
6. Add. Heat only
Heat pump is not operational. The function is activated/
deactivated by pressing in the “operating mode button” for
7 seconds.
* To use the cooling functions, the system must be designed to
withstand low temperatures and cooling must be activated in
menu 9.3.3.
Changing the room temperature manually
If you want to temporarily or permanently increase or lower
the indoor temperature, turn the “Offset heating curve” knob
clockwise to increase or anticlockwise to lower. One line
approximately represents 1 degree change in room temperature.
NOTE
An increase in the room temperature may be inhibited
by the radiator or underoor heating thermostats, if so
these must be set at 0.
Comfort setting heating
12


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