ASHRAE 62.2 07 2007
$23.83
ASHRAE Standard 62.2-2007 Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings
| Published By | Publication Date | Number of Pages |
| ASHRAE | 2007 | 24 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | FOREWORD FOREWORD 1. PURPOSE 1. PURPOSE 2. SCOPE 2. SCOPE |
| 5 | 2.1 This standard considers chemical, physical, and biological contaminants that can affect air quality. Thermal comfort require… 2.1 This standard considers chemical, physical, and biological contaminants that can affect air quality. Thermal comfort require… 2.2 While acceptable indoor air quality is the goal of this standard, it will not necessarily be achieved even if all requirements are met 2.2 While acceptable indoor air quality is the goal of this standard, it will not necessarily be achieved even if all requirements are met 2.3 This standard does not address unvented combustion space heaters. 2.3 This standard does not address unvented combustion space heaters. 3. DEFINITIONS 3. DEFINITIONS |
| 6 | 4. WHOLE-BUILDING VENTILATION 4. WHOLE-BUILDING VENTILATION 4.1 Ventilation Rate. A mechanical exhaust system, supply system, or combination thereof shall be installed for each dwelling un… 4.1 Ventilation Rate. A mechanical exhaust system, supply system, or combination thereof shall be installed for each dwelling un… |
| 7 | 4.2 System Type. The whole-house ventilation system shall consist of one or more supply or exhaust fans and associated ducts and… 4.2 System Type. The whole-house ventilation system shall consist of one or more supply or exhaust fans and associated ducts and… 4.3 Control and Operation. The “fan on” switch on a heating or air-conditioning system shall be permitted as an operational cont… 4.3 Control and Operation. The “fan on” switch on a heating or air-conditioning system shall be permitted as an operational cont… 4.4 Delivered Ventilation. The delivered ventilation rate shall be calculated as the larger of the total supply or total exhaust and shall be no less than specified in Section 4.1 during each hour of operation. 4.4 Delivered Ventilation. The delivered ventilation rate shall be calculated as the larger of the total supply or total exhaust and shall be no less than specified in Section 4.1 during each hour of operation. 4.5 Restrictions on System Type. Use of certain ventilation strategies is restricted in specific climates as follows. 4.5 Restrictions on System Type. Use of certain ventilation strategies is restricted in specific climates as follows. 5. LOCAL Exhaust 5. LOCAL Exhaust 5.1 Local Mechanical Exhaust. A local mechanical exhaust system shall be installed in each kitchen and bathroom. Each local ventilation system shall be either one of the following two: 5.1 Local Mechanical Exhaust. A local mechanical exhaust system shall be installed in each kitchen and bathroom. Each local ventilation system shall be either one of the following two: 5.2 Intermittent Local Exhaust. An intermittently operating, local mechanical exhaust system shall be designed to be operated as needed by the occupant. 5.2 Intermittent Local Exhaust. An intermittently operating, local mechanical exhaust system shall be designed to be operated as needed by the occupant. 5.3 Continuous Mechanical Exhaust. A continuously operating mechanical exhaust system shall be installed to operate without occu… 5.3 Continuous Mechanical Exhaust. A continuously operating mechanical exhaust system shall be installed to operate without occu… |
| 8 | 6. OTHER REQUIREMENTS 6. OTHER REQUIREMENTS 6.1 Transfer Air. Dwelling units shall be designed and constructed to provide ventilation air directly from the outdoors and not… 6.1 Transfer Air. Dwelling units shall be designed and constructed to provide ventilation air directly from the outdoors and not… 6.2 Instructions and Labeling. Information on the ventilation design and/or ventilation systems installed, instructions on their… 6.2 Instructions and Labeling. Information on the ventilation design and/or ventilation systems installed, instructions on their… 6.3 Clothes Dryers. Clothes dryers shall be exhausted directly to the outdoors. 6.3 Clothes Dryers. Clothes dryers shall be exhausted directly to the outdoors. 6.4 Combustion and Solid-Fuel Burning Appliances. Combustion and solid-fuel burning appliances must be provided with adequate co… 6.4 Combustion and Solid-Fuel Burning Appliances. Combustion and solid-fuel burning appliances must be provided with adequate co… 6.5 Garages. When an occupiable space adjoins a garage, the design must prevent migration of contaminants to the adjoining occup… 6.5 Garages. When an occupiable space adjoins a garage, the design must prevent migration of contaminants to the adjoining occup… 6.6 Ventilation Opening Area. Spaces shall have ventilation openings as listed below. Such openings shall meet the requirements of Section 6.8. 6.6 Ventilation Opening Area. Spaces shall have ventilation openings as listed below. Such openings shall meet the requirements of Section 6.8. 6.7 Minimum Filtration. Mechanical systems that supply air to an occupiable space through ductwork exceeding 10 ft (3 m) in leng… 6.7 Minimum Filtration. Mechanical systems that supply air to an occupiable space through ductwork exceeding 10 ft (3 m) in leng… |
| 9 | 6.8 Air Inlets. Air inlets that are part of the ventilation design shall be located a minimum of 10 ft (3 m) from known sources … 6.8 Air Inlets. Air inlets that are part of the ventilation design shall be located a minimum of 10 ft (3 m) from known sources … 7. Air-Moving Equipment 7. Air-Moving Equipment 7.1 Selection and Installation. Ventilation devices and equipment shall be tested and rated in accordance with the airflow and s… 7.1 Selection and Installation. Ventilation devices and equipment shall be tested and rated in accordance with the airflow and s… 7.2 Sound Ratings for Fans. Ventilation fans shall be rated for sound at no less than the minimum airflow rate required by this standard, as noted below. 7.2 Sound Ratings for Fans. Ventilation fans shall be rated for sound at no less than the minimum airflow rate required by this standard, as noted below. 7.3 Airflow Rating. The airflows required by this standard refer to the delivered airflow of the system as installed and tested … 7.3 Airflow Rating. The airflows required by this standard refer to the delivered airflow of the system as installed and tested … 7.4 Multi-Branch Exhaust Ducting. If more than one of the exhaust fans in a dwelling unit shares a common exhaust duct, each fan… 7.4 Multi-Branch Exhaust Ducting. If more than one of the exhaust fans in a dwelling unit shares a common exhaust duct, each fan… 8. Climatic Data 8. Climatic Data |
| 11 | 9. REFERENCES 9. REFERENCES |
| 13 | informative APPENDIX A OPERATIONS AND MAINTENANCE informative APPENDIX A OPERATIONS AND MAINTENANCE A1. INTRODUCTION A1. INTRODUCTION A1.1 This appendix provides general guidance regarding the minimum operations and maintenance information to be provided by the … A1.1 This appendix provides general guidance regarding the minimum operations and maintenance information to be provided by the … A1.2 Many of the systems described in this standard require occupant interaction to work as intended. It is important that the b… A1.2 Many of the systems described in this standard require occupant interaction to work as intended. It is important that the b… A2. OPERATIONS A2. OPERATIONS A2.1 Design Parameters A2.1 Design Parameters A2.2 Mechanical Ventilation Equipment A2.2 Mechanical Ventilation Equipment A2.3 Natural and Passive Ventilation Devices A2.3 Natural and Passive Ventilation Devices A2.4 Ventilation Controls A2.4 Ventilation Controls A3. MAINTENANCE A3. MAINTENANCE A3.1 Mechanical Ventilation Equipment A3.1 Mechanical Ventilation Equipment A3.2 Natural Ventilation Devices A3.2 Natural Ventilation Devices A3.3 Ventilation Controls A3.3 Ventilation Controls A3.4 Building Envelope. Whether intended or otherwise, the building envelope is part of the ventilation system. The building envelope should be maintained to operate as intended. A3.4 Building Envelope. Whether intended or otherwise, the building envelope is part of the ventilation system. The building envelope should be maintained to operate as intended. |
| 14 | A4. REFERENCES A4. REFERENCES |
| 15 | Homeowners Operations and Maintenance Documentation Form Homeowners Operations and Maintenance Documentation Form |
| 16 | informative APPENDIX B HVAC Systems informative APPENDIX B HVAC Systems B1. INTRODUCTION B1. INTRODUCTION B2. DESIGN, INSTALLATION, AND BUILD OUT B2. DESIGN, INSTALLATION, AND BUILD OUT B2.1 Pressure in the Living Space. All exhaust, supply, or air-handling fans have the potential to change the pressure of the li… B2.1 Pressure in the Living Space. All exhaust, supply, or air-handling fans have the potential to change the pressure of the li… B3. HVAC SYSTEM DESIGN, INSTALLATION, MAINTENANCE, AND OPERATION B3. HVAC SYSTEM DESIGN, INSTALLATION, MAINTENANCE, AND OPERATION B3.1 Mechanical Ventilation System Design, Installation, Maintenance, and Operation. The concentration of indoor contaminants ca… B3.1 Mechanical Ventilation System Design, Installation, Maintenance, and Operation. The concentration of indoor contaminants ca… B3.2 Effect of Outdoor Conditions on Moisture Removal. During periods when the outdoor air has a higher absolute humidity than t… B3.2 Effect of Outdoor Conditions on Moisture Removal. During periods when the outdoor air has a higher absolute humidity than t… B3.3 Considerations in Hot, Humid Climates. Providing controlled ventilation in hot, humid climates can lead to or exacerbate mo… B3.3 Considerations in Hot, Humid Climates. Providing controlled ventilation in hot, humid climates can lead to or exacerbate mo… |
| 17 | B4. SELECTING THE WHOLE-HOUSE VENTILATION SYSTEM B4. SELECTING THE WHOLE-HOUSE VENTILATION SYSTEM B4.1 Sizing. The mechanical whole-house systems may run continuously or intermittently. This standard requires that intermittent… B4.1 Sizing. The mechanical whole-house systems may run continuously or intermittently. This standard requires that intermittent… B4.2 Energy Consumption. The professional should consider the energy consumption of the mechanical ventilation system and the factors that influence that consumption. These factors include: B4.2 Energy Consumption. The professional should consider the energy consumption of the mechanical ventilation system and the factors that influence that consumption. These factors include: |
| 18 | B4.3 Supply Ventilation. In a supply ventilation system, there is usually a single air intake for the ventilation air, which is … B4.3 Supply Ventilation. In a supply ventilation system, there is usually a single air intake for the ventilation air, which is … B4.4 Exhaust Ventilation. In an exhaust ventilation system, there is usually a mechanical exhaust, centrally located. Air enters… B4.4 Exhaust Ventilation. In an exhaust ventilation system, there is usually a mechanical exhaust, centrally located. Air enters… |
| 19 | B4.5 Balanced Ventilation. In a balanced ventilation system, there is usually a mechanical exhaust either centrally located or d… B4.5 Balanced Ventilation. In a balanced ventilation system, there is usually a mechanical exhaust either centrally located or d… B4.6 Demonstrated Ventilation Alternatives. There are other ventilation strategies in use apart from natural ventilation and con… B4.6 Demonstrated Ventilation Alternatives. There are other ventilation strategies in use apart from natural ventilation and con… B5. SELECTING THE LOCAL VENTILATION SYSTEM B5. SELECTING THE LOCAL VENTILATION SYSTEM B5.1 Mechanical Exhaust. Exhaust fans can be single or multiple speed and should be ducted outside (not into buffer spaces). In … B5.1 Mechanical Exhaust. Exhaust fans can be single or multiple speed and should be ducted outside (not into buffer spaces). In … B5.2 Other Local Ventilation Systems. If demonstrable, other systems can be used to provide the local ventilation. Although not … B5.2 Other Local Ventilation Systems. If demonstrable, other systems can be used to provide the local ventilation. Although not … B6. REFERENCE B6. REFERENCE |
| 20 | informative APPENDIX C Addenda description information informative APPENDIX C Addenda description information |
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