Air-Handling Systems, Energy, and IAQ - Trane

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What Are We Trying To Remove? � From ASHRAE Handbook of Fundamentals 79 80 • Particulate matter � Solids (dust, fumes, bioaerosols) � Liquids (mist and fog) � Bioaerosols include: pollen, mold spores, bacteria, viruses • Gases � Organic (VOC) � Non-Organic (carbon dioxide, carbon monoxide, ozone) © 2009 Trane Air Cleaning Options � Particulate filters • Impingement (MERV ratings) • Electronic � Gaseous air cleaners • Adsorbents (e.g., activated carbon) • Photocatalytic Oxidation � Bioaerosols • Ultraviolet Light (UVc) • Photocatalytic Oxidation © 2009 Trane © Trane, a business of Ingersoll Rand 42
Particulate Filters � Type of Particle Diameter Settling Time � Human hair 5 seconds � Observable dust in air >10 seconds � Bacteria 1 to 5 minutes � Viruses 10 days � Note: Spores, bacteria, and virus sizes are for the typical complete unit. When entrained in the air, they may be smaller (fragments) or larger (attached to debris) � Source: ASHRAE Handbook 2009 81 82 © 2009 Trane Catalytic Air Cleaning System © 2009 Trane • MERV 13 filter followed by Catalytic Air Cleaner (shown) • 6” Deep • Very low pressure drop – 0.03 in.wc. • Media life: ~ 15 years, • UV Bulbs ~ 15 months • No measureable ozone © Trane, a business of Ingersoll Rand 43
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Page 3 and 4: © 2008 Trane Inc. 2 Air-Handling S
Page 5 and 6: Today’s Presenters 5 6 Art Hallst
Page 7 and 8: Balancing IAQ and Energy � Buildi
Page 9 and 10: ASHRAE Std 90.1 Moves Toward Net-Ze
Page 11 and 12: Consider Air-to-Air Energy Recovery
Page 13 and 14: Energy-Saving Ideas For Specific Sy
Page 15 and 16: Single-Zone VAV System EA OA 25 ©
Page 17 and 18: Energy-Saving Ideas For Constant-Vo
Page 19 and 20: Series Type III Desiccant Wheel 33
Page 21 and 22: series Type III desiccant wheel Ben
Page 23 and 24: Optimized VAV System Controls � O
Page 25 and 26: Fan-Pressure Optimization 45 supply
Page 27 and 28: ventilation optimization System Lev
Page 29 and 30: Lower Supply-Air Temperature � Be
Page 31 and 32: lower supply-air temperature Minimi
Page 33 and 34: Air-Handling Systems, Energy and IA
Page 35 and 36: Benefits of Chilled-Water DOAS 65 6
Page 37 and 38: Dual-Wheel Dedicated OA Unit 69 coo
Page 39 and 40: Dual-Wheel Dedicated OA Unit Series
Page 41: 78 Air-Handling Systems, Energy and
Page 45 and 46: Catalytic Air Cleaning Effectivenes
Page 47 and 48: References for This Broadcast Where
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Air-Handling Systems, Energy, and IAQ - Trane

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