SONACOME SNVI Bus Air Conditioner

SONACOME SNVI Bus Air Conditioner is an “environmental solution” designed to cope with Algeria’s extreme climate, ensuring both operational economy and passenger comfort.

BUSCLIMA engineers explain that all selections are based on Algeria’s high temperatures, strong sunlight, and frequent dust storms, as well as local road conditions, maintenance capabilities, and operating cost requirements.

Cooling Capacity and Heat Load Calculations

Rigorous heat load calculations must be performed based on vehicle dimensions (glass area, insulation level), maximum passenger capacity (body heat dissipation), the highest ambient temperatures in specific regions of Algeria (35-40°C along the coast, 45-50°C+ in the south), and solar radiation intensity.

– Redundancy Design: Sufficient redundancy must be provided (generally, an additional 15-20% margin is recommended) to ensure effective cooling even in extreme conditions.

BUSCLIMA Engineers’ Recommendations for SNVI

Avoid selection based on experience; scientific calculations are essential. Differentiated cooling capacity standards should be established for different vehicle types (city buses, intercity buses) and different operating areas (north and south).

Condenser and Dust Protection
Corrosion-resistant and dirt-resistant fins: Hydrophilic aluminum foil coated fins are preferred to prevent dust adhesion and facilitate cleaning.

Increased fin spacing: Compared to ordinary air conditioners, condensers and evaporators with larger fin spacing must be selected to reduce the rate of dust blockage.

High-efficiency condenser fan

The fan must be able to provide sufficient airflow under high back pressure (due to partial blockage), and the motor must have an IP55 or higher protection rating, being dustproof and waterproof.

BUSCLIMA Engineers’ Recommendations for SNVI

This is of paramount importance in the selection of the SONACOME SNVI Bus Air Conditioner. “Dust-proof design” should be included as a mandatory technical standard in the tender documents. It is even possible to require the supplier to provide a CFD-based condenser flow field and dust accumulation analysis report.

Evaporator and Air Supply System

Suppliers are required to provide CFD (Computational Fluid Dynamics) simulation reports demonstrating the uniformity of the velocity and temperature fields within the passenger compartment, ensuring no dead zones and no direct cold airflow.

In the northern coastal region, good dehumidification capabilities are necessary to prevent window fogging and stuffiness.

BUSCLIMA Engineer’s Recommendation to SNVI: Incorporate CFD analysis reports as part of the technical review process to ensure comfort from the outset. Collaborate with the air conditioning supplier to optimize the air duct design.

Compressor and Reliability: Scroll compressors have become the mainstream choice for bus air conditioning due to their high efficiency, low noise, and high reliability.

The compressor and its motor must be able to operate reliably and continuously in high-temperature environments above 60°C.

BUSCLIMA Engineer’s Recommendation to SNVI: Prioritize compressors from reputable brands with mature technology.

BUSCLIMA Engineer’s Recommendation

SNVI should establish a qualified supplier list, consistent with Algeria’s industrialization policy, to bring long-term economic and technological benefits.

Suppliers are required to provide detailed maintenance manuals and training for the SONACOME SNVI Bus Air Conditioner. SNVI should establish its own corporate technical standards, clearly specifying cooling capacity, energy efficiency ratio, protection level, noise level, interface dimensions, etc., to standardize and regulate the selection process.

If SNVI engineers or purchasing personnel require technical manuals on the Bus Air Conditioner or Coaches Hvac, please contact busclima@kingclima.com for detailed documents.

Through this systematic approach, Algeria’s SNVI bus manufacturer can ensure that it selects the most suitable, economical, durable, and comfortable air conditioning systems for its buses, thereby enhancing the overall market competitiveness of its products.

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