Plumbing Heating Air Curtain
Uses hot water or steam as heat source – more economical than electric heating for facilities with existing boiler systems (hotels, factories, hospitals)
Core Parameters
Water Temperature Range55°C – 100°C (depending on system configuration)
Installation Height2.5 – 3.0 m
Heat Output15.0 – 61.0 kW (depending on model and water temperature)
Available Lengths900 / 1200 / 1500 / 1800 mm
Key Features
Uses hot water or steam as heat source – more economical than electric heating for facilities with existing boiler systems (hotels, factories, hospitals)
Multi-layer compound fan coil design ensures high heat dissipation efficiency with low energy consumption
Full metal galvanized steel housing with powder coating – anti-corrosion and long-lasting; preset left/right water inlet ports for flexible installation
3-year motor warranty, 1-year comprehensive warranty; includes mounting brackets, connection fittings and installation instructions – compatible with standard HVAC piping
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Applications
Factory workshops
Commercial doorways in cold areas
Technical Parameters
| Model | Volt / Hz | Power (W) | Air Volume (m³/h) | Air Velocity (m/s) | Noise (dB) | Net Weight (kg) | Gross Weight (kg) | Water Speed H (m/s) | Water Speed M (m/s) | Water Speed L (m/s) | Water Resistance H (Pa) | Water Resistance M (Pa) | Water Resistance L (Pa) | Water Out Temperature H (°C) | Water Out Temperature M (°C) | Water Out Temperature L (°C) | Heat Output H (kW) | Heat Output M (kW) | Heat Output L (kW) | Unit Size (mm) | Carton Size (mm) | Mounting Height (m) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RM-3509-Z | 220V-50Hz | 220 | 1500 | 11 | 55 | 15.0 | 17.8 | 0.49 | 0.39 | 0.45 | 2036 | 1620 | 1870 | 53 | 49 | 47 | 20 | 16 | 13 | 900x279x282 | 970x355x355 | 2.5-3.0 |
| RM-3512-Z | 220V-50Hz | 240 | 2000 | 11 | 56 | 19.0 | 21.0 | 0.65 | 0.52 | 0.60 | 2715 | 2610 | 2500 | 53 | 49 | 47 | 28 | 21 | 17 | 1200x279x282 | 1270x355x355 | 2.5-3.0 |
| RM-3515-Z | 220V-50Hz | 280 | 2600 | 11 | 58 | 23.0 | 26.0 | 0.82 | 0.82 | 0.75 | 3390 | 2700 | 3115 | 53 | 49 | 47 | 36 | 27 | 21 | 1500x279x282 | 1570x355x355 | 2.5-3.0 |
| RM-3518-Z | 220V-50Hz | 300 | 2900 | 11 | 59 | 27.0 | 29.7 | 0.98 | 1.12 | 0.90 | 4065 | 3500 | 3500 | 53 | 49 | 47 | 44 | 33 | 25 | 1800x279x282 | 1870x355x355 | 2.5-3.0 |
Support Documents
Air curtain catalogues and installation references for hydronic heating entrance projects.
Application Solutions
Solution pages for heated entrances, factories and commercial buildings.
Heated Series
Heated air curtain solutions for cold entrances, low-temperature regions and commercial doors that require stronger warm airflow barriers. 
Industrial Series
For warehouses, factories and large industrial doors. 
Retail & Commercial Buildings Solution
Air curtain systems for retail and commercial entrances. Recommended Products
A5 Series Air Curtain
Higher heating capacity (up to 20000W) compared to A3 series, suitable for larger entrances or colder regions requiring stronger warmth 
A3 Series Air Curtain
PTC heated air curtain for cold commercial entrances, with 900-1800 mm lengths, 2.5-3.5 m mounting height and strong warm airflow separation. 
Industrial Series Air Curtain
Ultra-high velocity of 28 m/s designed for industrial door openings of 6-8 meters, effectively blocking air exchange caused by large vehicle passage