EC series commercial Double-side blow Evaporator is an efficient ventilation and heat exchange device specially developed for commercial and industrial scenarios. Its core is to combine electronic commutation (EC) motor technology with dual air outlet structure to form a ventilation solution that is both energy-saving and adaptable. As a key equipment in the field of commercial ventilation, its main function is to provide stable temperature and humidity regulation support for various commercial spaces and industrial environments through efficient air circulation and heat exchange.
1. Ultra-thin compact structure
It adopts an angle design with "downward air inlet and air out of both sides", which is small overall size and is suitable for places with limited installation space, such as machining rooms operated by personnel or highly restricted warehouses. For example, Zhejiang Kaidi's EC series air coolers use aluminum-magnesium plate spray plastic shell (silver-gray RAL9006) and aluminum plate heat exchanger end plate to reduce weight while ensuring structural strength and effectively save installation space.
2. Efficient heat exchange and condensation management
Coil design: The pipe spacing is 38.1×33mm in triangular arrangement, combined with hydrophilic aluminum foil corrugated aluminum sheet (pitch is 4.0mm/6.0mm optional), which significantly improves heat exchange efficiency and is suitable for different temperature and humidity environments (such as -30~60℃).
Double water tray system: The outer water tray adopts an overall structure with hinges for easy maintenance; the inner water tray directly introduces condensate or defrost water into the drainage port of the outer water tray to avoid water accumulation and secondary pollution.
3. EC motor drive advantages
Energy saving and intelligent control: EC motors are 30%-50% higher than traditional AC motors, and support variable frequency speed regulation (such as PWM speed regulation) and remote monitoring. They can dynamically adjust air volume according to real-time load to reduce energy consumption. For example, SUNON's EC fan uses a MagLev magnetic levit motor and intelligent regulation chip to achieve wide temperature range of -25℃~+70℃, and has overheating protection and fault self-diagnosis functions.
Low noise and long life: The fan adopts a high/low speed dual-mode design (such as φ350 specification), taking into account both air volume requirements and noise control; MagLev magnetic levitation motor and VAPO bearing technology reduce friction and can operate for tens of thousands of hours.
4. Multi-scene adaptability
Refrigerant compatibility: supports a variety of refrigerants such as R404A, R507A, R448A, R134a, etc., and can flexibly match different refrigeration systems.
Protection level and reliability: Some models have protection level IP55/IP68, suitable for humid, dusty or outdoor environments (such as energy storage systems, outdoor charging stations).

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12 Oct,2026