| 6.6202.3a
Pre-inspection | Specifications will be field verified as appropriate to site conditions by installer (e.g., duct size, type, shape, register type, duct static pressure) Access to all dwelling units and elements of distribution system will be ensured by installer | Ensure appropriate design for installation |
| 6.6202.3b
Preparation | Duct cleaning will be performed in compliance with
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ACCA
ACCA
Air Conditioning Contractors of America, www.acca.org
6
HVAC
HVAC
Heating, ventilation, and air conditioning
System Cleanliness-2007 Register cleaning or replacement will be performed as specified Duct sealing will be performed as specified Stack pressures will be verified for proper operation of flow control device Presence and type of dampers and smoke control devices will be identified, and installer will ensure the installation of the air flow device will not interfere with proper operation | Establish preconditions for installing flow control device Ensure health and safety of occupant |
| 6.6202.3c
Material selection | Appropriate selection of air flow regulator or orifice will be confirmed by installer; if custom design is required, it will be determined by installer Registers will be compatible with selected flow control device Gasketing or transition system will be compatible with selected flow control device and existing duct components Sealants and materials will be compatible with their intended surfaces and applied in accordance with manufacturer specifications Duct sealants will be
UL
UL
Underwriters Laboratories
181 compliant Sealants and materials will be continuous and in accordance with fire barrier specifications | Ensure sealants and materials meet or exceed the performance characteristics required of the assembly (e.g., fire rating) Ensure conditions exist for effective installation of flow control device Ensure conditions exist for the flow control device to meet the design specifications |
| 6.6202.3d
Installation | Transition or adapter will be securely fastened and sealed in accordance with manufacturer specifications Flow control device will be installed with proper orientation and in accordance with manufacturer specifications Adjustable devices will be set to preliminary balancing position | Achieve specified design flows Provide a durable and secure installation |
| 6.6202.3e
Balance and flow | Air flows will be measured and adjusted to match to the design specification in accordance with
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ACCA
ACCA
Air Conditioning Contractors of America, www.acca.org
Standard 5 or
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
Standard 111 | Achieve the desired air flows to and from the desired locations |
| 6.6202.3f
Verification | Final visual inspection of flow control installation and installer documentation will be completed Continued operation of dampers and smoke control devices will be verified | Ensure the performance of the ventilation system Ensure occupant health and safety |
| 6.6202.3g
Occupant/property manager education | Occupant/property manager will be educated on how the system works and its purpose Occupant/property manager will be educated on how to inspect flow control device upon unit turnover | Ensure the durability of the ventilation system |
