Integral Air Handling Unit for White Button Mushroom

Integral Air Handling Unit for White Button Mushroom. Variable Frequency Fan: Air volume adjustable from 10% to 100% for uniform breeze circulation in all angles. Dual Coil Design: Independent cold and hot water operation for dehumidification, heating, and harvesting. Proportional Valve Control: Fresh air and return valves adjustable from 0 to 100% based on CO2 levels. Advanced Filtration: Early effect plus medium effect bag filter prevents outside air infection. Automatic Filter Alarm: Differential pressure alarm prompts customers to clean or replace filters automatically. PID Temperature Adjustment: Hot and cold water controlled by proportional electric valves with PID adjustment. High Corrosion Durability: Designed for agriculture with higher corrosion resistance and 5-10 year lifetime.