CNA Dual-engine Precision Air Conditioner
Haiwu’s CNA dual-engine series precision air conditioners are designed for small computer rooms, featuring two independent cooling circuits for automatic rotation, seamless switching, and backup. This ensures high reliability and energy efficiency, fully meeting the cooling demands of continuous high-load operation.
Dual-unit redundancy - worry-free and dependable
Innovative design of “dual-engine drive and mutual backup”
15mairflow coverage, high sensible heat ratio design
The air outlet features adjustable vertical deflection, increasing air coverage by 20% with 15-meter long-range parabolic airflow delivery.
Value proposition
High reliability

6-key display in Chinese, multi-level passwords, fault diagnosis, etc.;

Designed for 24h × 365-day continuous operation with long lifespan - efficient, stable, and low maintenance.

Dual direct-drive adjustable-speed fans: the system remains effective (≥ 50% airflow) even if one fan fails;

Exceptional grid adaptability with ultra-wide input voltage design, supporting 380Vac±15% operating .

High efficiency

Sensible heat ratio > 0.9 per standard conditions; CFD-validated low-resistance airflow design;

Large airflow, small enthalpy difference design, suitable for heat dissipation of the primary equipment, and providing stable temperature/humidity.

Intelligent operations

Built-in RS485 communication interface

Flexible master/backup switching; automatic alternation when networked.

Intelligent, stable, constant-temperature and humidity control, with accuracy of ±1°C; Trend prediction, self-diagnosis, and auto-adjustments to avoid frequent temperature fluctuations and even shutdowns.

Application scenarios
Small to mid-sized computer rooms
High-end communication base stations
Equipment rooms
Battery rooms / power rooms / power distribution rooms
Monitoring rooms