EVA-430 HS
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Description
The EVA-430 HS is part of Evapoler’s “HS” series (High Static) of direct evaporative cooling units designed for large-volume, fresh-air supply and high static pressure environments. According to the catalogue, the model’s key design intent is to deliver 100% fresh air, effectively cooled via evaporation, and to push it into large enclosed spaces or via ducting with significant static resistance.
The “HS” designation implies higher static capabilities so the air can be pushed further (or through ducts) while still maintaining flow and cooling. The side/top/down discharge options give flexibility in mounting and orientation.
Key Specifications (as published)
Here are the published specification highlights for the EVA-430 HS (and how it compares with adjacent models). These come from the Evapoler catalogue.
| Parameter | Value for EVA-430 HS |
|---|---|
| Nominal Air Flow | ~ 43,000 / 25,000 (units perhaps CMH / CFM) |
| Static Pressure Rating | ~ 40 mm Wg (millimetres water gauge) |
| Cooling Area Coverage | Up to ~ 5,000 sq ft (≈ ~465 m²) |
| Motor Power | 9.3 kW |
| Voltage / Frequency | 415 V / 50 Hz (three-phase) |
| Vent (Discharge) Size | 900 mm × 900 mm |
| Dimensions (L×W×H) | ~ 2,100 × 2,150 × 2,000 mm approx (±100 mm tolerance) |
| Tank Capacity | ~ 550 litres |
Core Features & Benefits
High static capability: Designed for higher static resistance applications (ducting, long throws) thanks to robust centrifugal blower and configuration.
Large airflow & fresh-air supply: With ~43,000 CMH nominal flow, it is suited for large factories/warehouses, providing fresh ventilation as well as cooling.
Evaporative cooling efficiency: Being a direct-evaporation type, instead of heavy refrigerant-based cooling, it offers energy savings and simpler maintenance. Evaporative coolers are generally much more energy efficient where ambient dryness allows.
Flexible discharge orientation: The ability to choose side/top/down discharge means it can be adapted to floor-mounted, roof-mounted or duct-connected setups.
Industrial-grade build: Features like heavy duty motors, corrosion resistant cabinets, large water tanks, pre-filters & mist eliminators are standard in the HS series (as per the brochure).
Typical Applications
Manufacturing plants, large assembly halls, warehouses where large volumes of air need to be moved and cooled/ventilated.
Spaces with moderate to high ambient heat load, where fresh-air ventilation is required alongside cooling.
Industrial zones in hot/dry climates (such as many parts of India) where evaporative cooling works well.
Ducted setups where fresh air is drawn, treated/cooled and then distributed via ductwork into large spaces.
Installation & Considerations
Ambient suitability: Evaporative cooling works best in dry ambient conditions. In very humid conditions, the cooling drop will be less effective.
Water quality & supply: Adequate water supply and quality (distribution system, pads) must be maintained for longevity and performance.
Space & mounting: Check clearances for the unit (approx ~2.1 m × ~2.15 m footprint) and discharge vent size (900×900 mm) to ensure fitment.
Ducting design: If using ducting, keep static losses low (fewer bends, smooth ducts) so the high static capacity is not wasted.
Power supply: Three-phase, 415 V, 50 Hz – ensure correct wiring, motor protection, alignment with local supply.
Maintenance: Even though evaporative coolers are simpler than typical refrigerant ACs, regular pad replacement, cleaning of tank/pump/distributor and filter checks are necessary.
Noise & vibration: Given the large size and motor power (~9.3 kW), noise insulation or isolation may be needed depending on the installation environment.
Water-drain & tank: With a tank capacity around 550 L, ensure proper location of drain, overflow protections and safe routing of water.
