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Heat pump water heater - NUOS FIT S2 200 FS WIFI
Heat pump water heater - NUOS FIT S2 200 FS WIFI
Heat pump water heater - NUOS FIT S2 200 FS WIFI
Heat pump water heater - NUOS FIT S2 200 FS WIFI
    Ariston

    Heat pump water heater - NUOS FIT S2 200 FS WIFI

    Monobloc floor standing heat pump water heater designed to work in unheated ambient
    rooms with integrated Wi-Fi

    – R290 refrigerant for near-zero emissions (GWP100 = 0,02).
    – A+* Energy Class and highest COP for the full offer up to 3,8.
    – Integrable with PV.
    – Versatile installation: optional outlet air canalization for minimized noise and cooling.
    – Compact size that allows installation in low ceilings (up to 2mt height).

    • NUOS FIT S2 FS 200 WIFI (200 lt capacity)
    Specification

      • – Nominal capacity of tank: 200 litres
        – ErP energy efficiency class in DHW mode (EN 16147): A+*
        – Tapping profile (EN 16147): L
        – COP 3.35 (A)
        – Average power consumption 280 W
        – Average thermal power 728 W
        – Thermal dispersion 1,71 W/K
        – Max water temperature with heat pump: 62°C
        – Max. water temperature with electric heating element: 75°C
        – Mixed water at 40°C V40 (A): 274,6 l
        – Minimum air temperature for heat pump operation (wet bulb at 90% RH) (E): 7°C
        – Maximum air temperature for heat pump operation (wet bulb at 90% RH) (E): 42°C
        – Indoor sound power level (C): 49 dB(A)
        – Refrigerant fluid: R290
        – Quantity of refrigerant fluid (R290): 0.15 kg
        – Maximum water pressure: 8 bar
        – Electrical protection rating: IPX4
        – Minimum temperature in installation room: 1°C
        – Maximum local installation temperature: 42°C
        – Dimensions (H x W x D): 1540 mm x 635 mm x 635 mm
        – Weight: 75 kg
        – Gas side safety pressure switch
        – Rotary compressor and self-adaptive modulating axial fan with standard air flow of 160 m3/h for silent operation
        – High-efficiency condenser with microchannels wrapped on the outside of the tank without any contact with domestic water
        – Supplementary electric heating element (1.8 kW)
        – Anti-corrosion magnesium anode
        – Imprinted titanium current anode
        – Polyurethane foam insulation with an average thickness of 50 mm, CFC and HCFC-free
        – Compact size that allows installation in low ceilings (up to 2mt height)
        – Option to duct the outlet air
        – Can be installed in unheated ambient rooms
        – GREEN operating mode: exclusive use of the heat pump with a maximum adjustable domestic water temperature of 62°C
        – GREEN PLUS operating mode: heating performed in HP to maximize efficiency and HE activation only in extreme conditions to
        guarantee comfort.
        – iMEMORY operating mode: the domestic water temperature is set automatically by monitoring user needs over time, with automatic
        and optimised use of the heat pump and electric heating elements.
        – HC_HP operating mode with domestic water heating based on an external signal (ex: bi-hourly rate), with the use of the heat (
        available in France) pump and/or electric heating elements as needed
        – BOOST function for simultaneous use of heat pump and electric heating element in a single DHW heating cycle to reach the set
        temperature as soon as possible. At the end of the cycle, the operating mode returns to the previously selected one.
        – PROGRAMMING function for operation with two different DHW temperatures that can be set, with daily programming in four time
        slots and weekly programming
        – PHOTOVOLTAIC function to maximise the self-consumption of photovoltaic systems by storing thermal energy in the event of
        electricity overproduction, using the heat pump and/or electric heating elements
        NUOS FIT S2 WI-FI
        31 /
        – ANTI-LEGIONELLA function for thermal water sanitisation
        – NIGHT function for silent operation
        – AWAY function for turning off the machine during periods of absence for several days (active anti-freeze and anti-legionella functions)
        – User-friendly LCD digital display with 5 touch buttons: temperature display, operating mode and faults
        – Remote management and assistance* with the Ariston Net application via a standard integrated Wi-Fi gateway
    Technical specification
    • Unique ref.NUOS-FIT-S2-200-FS-WIFI
    • Product familyWater Heaters
    • Product groupHeat Pump Water Heaters
    • TypeObject (single object)
    • Date of publishing2026-05-07
    • Edition number1
    Links
    Related
    • Material mainMetal
    • Material secondaryPlastic
    • Designed inItaly
    Classification
    • BIMobject CategoryPlumbing - Water Heaters
    • IFC classificationElectric Heater
    • ETIM CodeEC000393
    • ETIM NameHot water heat pump
    • Uniclass 2015 CodePr_60_60_96
    • Uniclass 2015 DescriptionWater heaters
    • CSI MasterFormat 2014 Code22 33 00
    • CSI MasterFormat 2014 TitleElectric Domestic Water Heaters
    • OmniClass Number23-31 29 00
    • OmniClass TitleHot Water Heaters

    Region availability

    Europe
    Albania
    Andorra
    Belgium
    Bosnia and Herzegovina
    Bulgaria
    Croatia
    Cyprus
    Czech Republic
    Estonia
    France
    Greece
    Hungary
    Italy
    Latvia
    Lithuania
    Malta
    Monaco
    Montenegro
    North Macedonia
    Poland
    Portugal
    Romania
    San Marino
    Serbia
    Slovakia
    Slovenia
    Spain
    Ukraine
    Vatican City

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