LPHW unit heater S-3S
The S-3S low-pressure hot water unit heaters are particularly built for those who are looking for a traditional design for their facilities. The LPHW unit heater features a powder-coated galvanised steel housing with manually adjustable galvanised steel air louvres. Best suited for commercial, production, and storage facilities.
Key features:
- Heating capacity ranges from 1.57 kW to 66.2 kW
- Airflow ranges from 700 m³/h to 3350 m³/h
- 3-stage fan speed control
- AC induction motor with an IP54 rating
- Powder-coated galvanised steel housing (RAL 9005), with adjustable air louvres (RAL 7048).
- Manufactured in Poland
Description: LPHW unit heater S-3S
Place to use
The water heater will be perfect for places such as:
- halls,
- warehouses,
- production halls,
- car workshops,
- logistics centers,
- commercial pavilions.
Parameters
Power range: 2-66 kW
Weight: 12 – 25 kg
Housing: galvanized steel, powder coated
Additional information:
- The heater has 1,2 or 3-row heat exchangers.
- It has a fan with IP 54 protection that meets the European ErP 2015 standards.
Control
The heaters have dedicated accessories that enable their fully automated operation. Thus, they improve the efficiency of their operation, as well as provide measurable savings resulting from conscious control of the device and regulation of power consumption.
Technical specification
| S1-3S | S2-3S | S3-3S | S4-3S | |
|---|---|---|---|---|
| Product code | WHS1-3S-1789 | WHS2-3S-1790 | WHS3-3S-1791 | WHS4-3S-1787 |
| Nominal heating capacity[kW*] 3 stage/2 stage/1 stage |
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 capacities range [kW**] | 1,57 - 19,5 | 2,1 - 30,8 | 2,92 - 48,8 | 4,17 - 66,2 |
| Maximum air flow [m3/h] 3 stage/ 2 stage/ 1 stage |
1400 / 1150 / 900 | 2000 / 1100 / 900 | 1800 / 850 / 700 | 3350 / 2250 / 1400 |
| Maximum isothermal stream range [m] | 10 | 13 | 11 | 18 |
| Number of rows [pcs] | 1 | 2 | 3 | 2 |
| Water capacity [dm3] | 0,5 | 1,3 | 1,9 | 2 |
| Maxiumum temperature of heating fluid [°C] | 120 | 120 | 120 | 120 |
| Maximum pressure of heating fluid [MPa] | 1,6 | 1,6 | 1,6 | 1,6 |
| Connectors diameter [cal] | 3/4 | 3/4 | 3/4 | 3/4 |
| Voltage/frequency [V/Hz] | 230/50 | 230/50 | 230/50 | 230/50 |
| Nominal motor current [A] 3 stage/ 2 stage/ 1 stage |
0,38 / 0,20 / 0,15 | 0,58 / 0,34 / 0,30 | 0,58 / 0,34 / 0,30 | 0,82 / 0,62 / 0,41 |
| Nominal motor speed [rpm] 3 stage/ 2 stage/ 1 stage |
1350 / 1130 / 870 | 1400 / 1100 / 850 | 1400 / 1100 / 850 | 1380 / 1030 / 650 |
| Nominal motor power [W] 3 stage/ 2 stage/ 1 stage |
75 / 45 / 35 | 124 / 85 / 75 | 124 / 85 / 75 | 185 / 140 / 90 |
| IP protection rating of motor | 54 | 54 | 54 | 54 |
| Net weight [kg] | 12,5 | 19 | 20 | 25 |
| Noise [dB***] 3 stage/ 2 stage/ 1 stage |
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 max. capacity for 120/90°C, 0°C the inlet air temperature, 3rd stage // the min. capacity 40/30°C, 20°C the inlet air temperature, 1st stage
*** - the measurment at the distance of 5m from the device
Files to download
Here you will find: user manuals, CE compliance declarations, product brochures, CAD models, and more.
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CALCULATOR REVENTON GROUP
How to select the power of heating devices?
- Calculating the thermal demand of a building
- Predefined parameters for specific regions
- Easy and user-friendly calculator interface
- Automatic (approximate) selection of devices for thermal load
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