Specialized HVAC

Multi-Zone HVAC Systems: Design and Installation Guide

16 days ago 52

Key Takeaways The 35% Rule: Single-stage equipment requires the smallest zone to handle at least 35% of total system CFM to prevent equipment damage from excessive static pressure Bypass Sizing Formula: Calculate bypass duct requirements using...

HVAC Zoning Controls: Damper and Thermostat Integration

20 days ago 38

Key Takeaways 24VAC Control Architecture: Zone panels distribute power through dedicated terminals (R, C, W, Y, G, O/B) with zone-specific damper controls requiring careful wire routing and transformer sizing Communication Protocols Matter: From...