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AUDAX TOP ErP and Integrated System

5454.1 Diagram with AUDAX TOP ErP in cascade (air conditioning only) + high-power boiler + thermal

ywheel and mixed zone + solar heating for D.H.W. production + System manager

Description of winter and summer operation:

- Central heating/cooling mode active  1 or more room thermostats, by acting on the apartment counters, enable a request to

the expansion board that manages the upright column (mixed zone); the expansion board, in turn, sends the signal to the System

Manager. Through a second expansion and an adjustable thermostat built into the storage tank, the Manager controls the tem-

perature of the thermal flywheel in hot and cold. In this specific case, the temperature of the thermal flywheel, controlled by the

thermostat, must have a greater offset (T. higher by 1-2 °C) than the relaunch mixed zone in winter, and a lower offset (T. lower

by 1-2 °C) than the relaunch mixed zone in summer.

Activation of the system (AUDAX TOP ErP rather than a gas generator) is, by standard, delegated by request from the thermostats

and then the System Manager, which assesses the economic convenience or compares Toutdoor with Tminimum integration (cut o).

- Domestic hot water mode this system was designed to privilege DHW operation of the boiler only, obviously in addition to

the solar heating system (governed by the System Manager along with the recirculation pump, through expansion "5").

NOTE: in this diagram, the Control Panel (standard with AUDAX TOP ErP) is not used.

5555.1 Diagram with AUDAX TOP ErP + boiler + system distribution kit + solar heating for

DHW production and C.H. + System manager

Description of winter and summer operation:

- Central heating/cooling mode attiva  request from a room activates a central heating/cooling request via expansion in the

hydraulic distribution kit, which, in turn, is connected via BUS to the system Manager. In the event of a cooling request via the

diverter valve, the heat pump sends cooling fluid directly to the distribution kit. However, if central heating request is made, the

distribution kit draws hot fluid from the combined storage tank.

rough expansion "4" the System Manager also governs the 2 3-way valves that direct the hot uid coming from the heat pump

or from the boiler towards the storage tank, based on the requests from probes "B13" and "B2".

- DHW mode  the system Manager controls the DHW from probe B2; the set-point to reach in B2 is connected to the DHW

temperature requested + 10 °C. e system Manager activates AUDAX TOP ErP to bring the temperature in B2 to 50 °C, above

which the integrative generator will be activated (in this case, the boiler).

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Immergas AUDAX TOP ErP Series User Manual

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