S1-3S water air heater

EAN: 5902860110644
SKU: WHS1-3S-1789

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The S series air heater is equipped with a sturdy casing made of galvanized and powder-coated steel, which guarantees resistance and durability over time. This device is equipped with a 3-speed fan, which allows you to adjust the performance according to the specific needs of the environment.

Thanks to the advanced technology used in the air heater, it is possible to control the heat output precisely, thus increasing the functionality of the device and improving its overall parameters. The extended range of S series heaters allows you to adapt the heat output of the appliance to fully satisfy the thermal comfort of people in environments of medium and large cubic capacity.

Main features:

  • Structure: Galvanized steel, powder coated
  • Fan: 3 speeds, adjustable
  • Thermal power: Adjustable, for optimal comfort
  • Assembly: Dedicated mounting console, for a wide range of installation options and precise airflow direction

Places of use: The water heater is perfect for environments such as:

  • Sheds
  • Stores
  • Production areas
  • Mechanical workshops
  • Logistics centers
  • Commercial pavilions

Technical parameters:

  • Power range: 2-66kW
  • Weight: 16-29kg
  • Carcass: Galvanized steel, powder coated
  • Heat exchangers: Available with 1, 2 or 3 row heat exchangers
  • Fan: IP 54 protection, compliant with European ErP 2015 standards

The heaters are equipped with dedicated accessories that allow fully automated operation. This improves operational efficiency and enables measurable savings through conscious device control and regulation of energy consumption.

These features make the S Series air heater an excellent choice for ensuring optimal thermal comfort in various industrial and commercial environments.

Technical Specifications

S1-3S S2-3S S3-3S S4-3S
Product code WHS1-3S-1789 WHS2-3S-1790 WHS3-3S-1791 WHS4-3S-1787
Nominal heat output [kW*]
3 speeds/ 2 speeds/ 1 speed
14,7 / 13,1 / 11,3 23,4 / 16,0 / 14,0 36,9 / 20,8 / 17,8 50,1 / 38,5 / 27,5
Heating capacity range [kW**] 1,57 – 19,5 2,1 – 30,8 2,92 – 48,8 4,17 – 66,2
Maximum air flow [m³/h]
3 speeds/ 2 speeds/ 1 speed
1400 / 1150 / 900 2000 / 1100 / 900 1800 / 850 / 700 3350 / 2250 / 1400

Maximum flow rate of the isothermal flow [m]

10 13 11 18
Number of ranks [pcs] 1 2 3 2
Water capacity [dm3] 0,5 1,3 1,9 2
Maximum heating fluid temperature [°C] 120 120 120 120
Maximum heating fluid pressure [MPa] 1,6 1,6 1,6 1,6
Connector diameter [cal] 3/4 3/4 3/4 3/4
Voltage/frequency [V/Hz] 230/50 230/50 230/50 230/50
Rated motor current [A]
3 speeds/ 2 speeds/ 1 speed
0,40 / 0,30 / 0,25 0,58 / 0,30 / 0,20 0,58 / 0,30 / 0,20 0,84 / 0,65 / 0,54
Rated motor speed [rpm]
3 speeds/ 2 speeds/ 1 speed
1350 / 1150 / 900 1400 / 1000 / 680 1400 / 1000 / 680 1400 / 1050 / 750
Rated motor power [W]
3 speeds/ 2 speeds/ 1 speed
85 / 65 / 55 125 / 75 / 43 125 / 75 / 45 190 / 150 / 120
IP protection rating of the motor 54 54 54 54
Net weight [kg] 15 21 23 27
Noise [dB***]
3 speeds/ 2 speeds/ 1 speed
51 / 45 / 43 54 / 48 / 46 53 / 47 / 45 56 / 50 / 48

* – for the parameters 90/70°C and the inlet air temperature 0°C
** – the maximum capacity for 120/90°C, 0°C the inlet air temperature, 3rd stage // the minimum capacity 40/30°C, 20°C the inlet air temperature, 1 th stage
*** – measurement at a distance of 5 m from the device

Informazioni aggiuntive

Weight 10 kg
Brand