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AUDAX TOP ErP and Integrated System

47 INTRODUCTION WITH COMMENTARY TO INTEGRATED SYSTEMS: MAIN APPLICATIONS

4848.1 Diagram with AUDAX TOP ErP and system distribution kit + DHW solar heating

System manager

Description of winter functioning:

- Central heating mode active  1 or more temperature/humidity sensors activate winter mode consent; the System Manager,

according to the outdoor temperature detected and system's climatic curve and room temperature set for the various zones, activates

AUDAX TOP ErP and (if COP is too low or if the temperature is not reached within the set time), the system's electrical resistance

(via parameters that can be set with alternative or simultaneous operation).

- Domestic hot water mode  The System Manager, in addition operating the solar system, continuously monitors the set DHW

temperature (probe located in the top part of the storage tank), enabling AUDAX TOP ErP and (if necessary) the electric resistance

of the storage tank.

The System manager will activate the integrative electric resistance of the storage tank only on request of the anti-legionella function

and on reaching temperatures over 50 °C or if time required for making operational that is too long is considered.

4949.1 Diagram with AUDAX TOP ErP + Control panel (standard for room control) + DHW solar pack

Description of winter functioning:

- Central heating mode active  Control Panel (standard) activates AUDAX TOP ErP in winter mode.

Two dierent management options are possible to activate integrative electrical resistance, which are based on the outdoor temperature:

1) Switching the heat pump o and activating the auxiliary source (electrical resistance), if the outdoor temperature is below

the value set in the parameter (example - 15 °C);

2) Both the heat pump and electrical resistance are simultaneously activated if the outdoor temperature is between the 2 values

set in the parameter (e.g. between 0 °C and - 15 °C).

- DHW mode  when there is request for DHW, the system integrative resistance switches o and the 3-way valves divert onto

the storage tank. AUDAX TOP ErP goes to the max temp. of 60 °C (compatible with the operating limits). e domestic hot

water temperature is set on the solar control unit; if the set "setting" is greater than 50 °C, AUDAX TOP ErP heats the domestic

hot water to 50 °C, the integrative resistance then switches on and the heat pump switches o.

5050.1 Diagram with AUDAX TOP ErP (air conditioning only) + boiler Plus + system distribution kit

+ solar heating for DHW + System Manager

Description of winter functioning:

- Central heating mode active  1 or more zone Controls activate winter mode consent; the system Manager, according to the

outdoor temperature detected and the room temperature set above the pre-set climatic curve, activates AUDAX TOP ErP or the

boiler according to the COP calculated (if > the minimum economical convenience value - use of AUDAX TOP ErP is approved),

or according to Tminimum integration (cut o) set in the System Manager.

Remember that also times for making the system operational can vary the boiler insertion mode.

- 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). During the summer cooling mode, the inversion of the AUDAX TOP ErP

functioning cycle is also prevented (from chiller to heat pump).

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Immergas AUDAX TOP ErP Series User Manual

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