Ariston Heat pump water heater User Manual download pdf (Page 7)

777

The NUOS 80-100-120 litres water

heaters have a low energy absorption

(~300 W) which allows them to be

used together with all other home

appliances without causing

interruptions due to over-absorption

of the domestic electric network.

NUOS transform the traditional

electric water heater in a less impact

product for your doemstic life

Consumption

300 W

3x100 W

Negligible

consumptions

Total

calorific

energy

Electrical energy

Expansion valve

Compressor

DHW inlet

DHW outlet

air outlet

Refrigerant fluid

at liquid status

Air intake

Renewable

energy

Evaporator

Condenser

1 4

2 3

Refrigerant fluid

at gaseous status

WORKING PRINCIPLE

1 - The refrigerant fluid crosses the evaporator and absorbs the heat supplied by the sucked air.

This process ensures that the refrigerant changes phase by evaporating.

- The refrigerant gas undergoes, inside the compressor,

a pressure increase which entails the temperature rising.

3 - Inside the condenser, the refrigerant gas gives its heat to the water contained inside the heater.

This exchange process ensures that the refrigerant passes to liquid state by condensing.

4 - The refrigerant fluid looses further pressure and temperature by crossing the expansion valve,

returning to the initial conditions again.

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Ariston Heat pump water heater User Manual Page 7

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