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فيديو شرح Fan Powered Terminal Units Explained ضمن كورس التبريد والتكييف (HVAC) شرح قناة MEP Academy، الفديو رقم 84 مجانى معتمد اونلاين
In this HVAC training video by MEP Academy, we break down how Fan Powered Terminal Units (FPTUs) work — from internal components and airflow mixing to control sequences, climate applications, and winter heating performance.
You’ll learn the difference between Series and Parallel FPTUs, how they maintain ventilation airflow at low loads, and how they deliver heating capacity during peak winter conditions using the Q 1.08 × CFM × ΔT formula. We’ll also explore how fan powered terminals integrate into Underfloor Air Distribution (UFAD) systems, including what happens when return air is above the ceiling and how UFAD-style fan terminals boost underfloor airflow.
Whether you’re a mechanical engineer, HVAC designer, estimator, or controls technician, this video gives you a clear visual understanding of how FPTUs operate in both overhead and underfloor VAV systems.
Topics Covered:
What is a Fan Powered Terminal Unit (FPTU)?
Key components and airflow paths
Series vs Parallel FPTUs — how they differ
Climate considerations and cold-weather operation
Peak winter design example using Q 1.08 × CFM × ΔT
Metric equivalent (L/s and kW conversion)
UFAD applications and how fan terminals work with raised-floor systems
Titus TFS model with IAQ outdoor air connection example
BAS control sequences and reheat coil operation
Common design and commissioning pitfalls
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