Altherma ERLQ011CAV3 Manuel d'utilisateur télécharger pdf (Page 26)

Making a Selection

1. Economical mode: depending on the prices entered for electricity (see section 3.3) and gas

(see section 3.6), Daikin Altherma will use the cheapest one.

2. Ecological mode: depending on the CO

emission factor (see sections 1.3 and 3.6) and the

primary energy factor (see section 1.3), Daikin Altherma will use the one producing the least

The selected operation mode determines the calculated total energy consumption cost of the

hybrid system.

4.3.6 Ground Source (GS) Systems

Selecting a ground source system is almost

identical to selecting a low temperature system

with integrated water tank (see Figure 30).

However, you must enter a brine temperature.

This value may range from -5°C to +10°C. The

higher this temperature is, the larger the available

capacities are. Note however, that this parameter

is bound to the installation. By default, this value

is set to 2°C.

Figure 30: Selecting GS systems

4.3.7 Heat Pump Systems

Heat pump systems use a reversible indoor unit,

allowing space heating and cooling. So, youalso

have to enter the required cooling capacity (see

Figure 31). As for heating, it is also possible to

change the water temperature, which should be

done with extreme care and only for specific fine-

tuning purposes.

There are heat pump selections possible for mono

bloc and low temperature systems.

4.3.8 Bivalent Systems

A bivalent system consists of a Daikin Altherma system complemented with a second heat

source, as shown in Figure 32.

As this second heat source is not integrated in a Daikin Altherma system, you need to define its

heating capacity. To cover the required heating capacity, Daikin Altherma will then use this

second heat source for all ambient temperature values below the equilibrium point (see Figure 9)

and the selected Daikin Altherma system (a LT Mono Bloc in

Figure 32) the ambient

temperature values above the equilibrium point.

To make sure Daikin Altherma finds a solution, the percentage covered by the heat pump defined

in the Preferences window (see section

3.5) must be set to 50%. In fact, both systems (Daikin

Altherma and a boiler) will probably be operational about halve of the time.

Figure 31: Selecting heat pump systems

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Altherma ERLQ011CAV3 Manuel d'utilisateur Page 26

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