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DOMESTIC HEATPUMP WATER HEATER
NUOS PLUS Wi-Fi
Advantages and benefits
ADVANCED PERFORMANCE
- Lowest heating time on the market*, with superior COP.
- 80% energy saving than traditional water heaters.
- R134A eco-friendly gas for water temperature of up to 62°C in heat pump mode.
- Full compatibility with R513A refrigerant gas.
- Different working modes: green, comfort, boost, fast, i-memory, HC-HP.
- Silent function & Weekly time scheduling.
- One or two coils and sensor slots to integrate solar thermal, boiler or biomass.
- Integrated photovoltaic function.
- Dual power steatite electrical heating elements.
- System integration with other Ariston products thanks to the Bus BridgeNet® technology.
- Manage remotely thanks to the App Ariston NET.
EVERLASTING QUALITY
- Titanium enamelled steel tank.
- Active anode + magnesium anode.
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Technical data
200
250
250 SYS
250 TWIN SYS
COP*
3,27
3,62
3,62
3,62
COP**
3,1
3,35
3,14
3,21
Heating time
3,41 h:min
4,37 h:min
4,37 h:min
4,37 h:min
Min/max air temperature
-10/42 °C
-10/42 °C
-10/42 °C
-10/42 °C
Max. water temperature heat pump only mode/with R
62/75 °C
62/75 °C
62/75 °C
62/75 °C
Sound power
55 dB(A)
55 dB(A)
55 dB(A)
55 dB(A)
Sound power (silent mode)
51 dB(A)
51 dB(A)
51 dB(A)
51 dB(A)
Max electrical power consumption in heat pump mode
900 W
900 W
900 W
900 W
Nominal storage tank capacity
200 L
250 L
245 L
240 L
Max operating pressure
6 bar
6 bar
6 bar
6 bar
Voltage/Max power consumption
200-240 V / 2500 W
200-240 V / 2500 W
200-240 V / 2500 W
200-240 V / 2500 W
Heating element power
1500+1000 W
1500+1000 W
1500+1000 W
1500+1000 W
Standard air flow rate
650 m3/h
650 m3/h
650 m3/h
650 m3/h
Min volume of the installation room
30 m3
30 m3
30 m3
30 m3
Empty weight
90kg
95 kg
115 kg
130 kg
Electrical system protection grade
IPX4
IPX4
IPX4
IPX4
Insulation thickness
≈ 50 mm
≈ 50 mm
≈ 50 mm
≈ 50 mm
Water connections diameter
G 3/4 M "
G 3/4 M "
G 3/4 M "
G 3/4 M "
Min Temperature of storage tank room
1 °C
1 °C
1 °C
1 °C
Heating bottom circuit exchange surface
-
-
0,65 m2
0,65 m2
Heating top circuit exchange surface
-
-
-
0,65 m3
Heat dispersion (Pes)
21 W
22 W
23 W
25 W
Available static pressure
230 Pa
230 Pa
230 Pa
230 Pa
Annual energy consumption (average climate)
790 kWh/year
1215 kWh/year
1299 kWh/year
1256 kWh/year
Seasonal efficiency
130 %
138 %
129 %
133 %
V40 (Qty of mixed DWH at 40°C)
256 L
336 L
333 L
325 L
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