Air-Handling Systems, Energy, and IAQ - Trane

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demand-controlled ventilation CO 2 Sensor in Every Zone? 47 © 2009 Trane lounge rest room CO 2 vestibule corridor CO2 reception area elevators ventilation optimization Zone Level: DCV 48 © 2009 Trane lounge rest room CO 2 vestibule corridor CO 2 AHU communicating BAS storage office CO 2 CO 2 CO 2 office conference rm computer room AHU communicating BAS storage office OCC TOD TOD OCC CO2 reception area elevators office conference rm computer room © Trane, a business of Ingersoll Rand 26
ventilation optimization System Level: Ventilation Reset 49 © 2009 Trane SA RA OA air-handling unit with flow-measuring OA damper • Reset outdoor airflow CO2 TOD OCC TOD OCC communicating BAS •New OA setpoint …per ASHRAE 62 ventilation optimization Benefits 50 © 2009 Trane CO 2 DDC VAV controllers • Required ventilation (TOD, OCC, CO2 ) • Actual primary airflow (flow ring) � Saves energy during partial occupancy � Lower installed cost, less maintenance, and more reliable than installing a CO 2 sensor in every zone • Use zone-level DCV approaches where they best fit (CO 2 sensor, occupancy sensor, time-of-day schedule) • Combine with ventilation reset at the system level � Earn LEED EQc1: Outdoor Air Delivery Monitoring © Trane, a business of Ingersoll Rand 27
Page 1 and 2: Air-Handling Systems, Energy, and I
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: Fan-Pressure Optimization 45 supply
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 and 42: 78 Air-Handling Systems, Energy and
Page 43 and 44: Particulate Filters � Type of Par
Page 45 and 46: Catalytic Air Cleaning Effectivenes
Page 47 and 48: References for This Broadcast Where
Page 49 and 50: Air-Handling Systems, Energy and IA

Air-Handling Systems, Energy, and IAQ - Trane

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