AUDAX TOP ErP and Integrated System
7
Comprised of a boiler – solar heating – heat pump and possibly
photovoltaic – etc, they are the natural evolution of air-condi-
tioning systems: with very high seasonal eciency, low energy
consumption and reduced polluting emissions.
ey are engineering solutions that can be perfectly integrated
with each other, which allow to attain maximum benet from the
various energy production systems on the basis of the respective
eciency parameters.
For the entire system to operate correctly, Immergas oers a
System Manager, able to:
- always make use of the most convenient heat source;
- keep the system performance high in every circumstance;
- control and command the entire system with a unique "brain"
(i.e. the System Manager);
- promote heat pump activation with a system that generates
electricity from renewable sources.
Basically, the System Manager is a supervisor that can control
the entire system).
Amongst other things, the following main operations are nec-
essary:
- acquire outdoor temperature (from the external probe, inserted
as per standard on the heat pump);
- set central heating side and cooling side (if provided) climatic
curve operation to determine the system's ow temperature;
- congure the fuel cost (e.g. methane);
- congure the electric energy cost;
- set the AUDAX TOP ErP minimum integration (cut o) T.
e point of economic balance between the gas boiler and the
heat pump is a COP value between 2.4 and 2.6 approximately
(approximate value referred to methane); this value changes
based on the cost of electrical power and gas, in the location
where the system is installed.
With sucient Toutdoor to full minCOP economical conveni-
ence, or Toutdoor is higher than Tminimum integration (cut o), the
heat pump starts and the performance eciency conditions are
constantly monitored. On the contrary, if the environmental
conditions are such that the AUDAX TOP ErP coecient of
performance tends towards lower values than COPmin for eco-
nomical convenience, or outdoor T is less than minimum integration
(cut o) T, the system Manager starts the boiler (or integrative
resistance).
4 INTEGRATED SYSTEM FOR AIR CONDITIONING AND D.H.W. PRODUCTION
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