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FARRINGTON <br /> CUM S <br /> Exe e ummary <br /> AIR QUALITY SERVICES <br /> 5) TAB Procedures Summarized <br /> Air Systems <br /> a) Dual Duct Variable Air Volume Terminal Units <br /> i) Force VAV to full cooling with use of integral controls <br /> ii) Measure total supply airflow using one of the following methods <br /> (1) Measuring velocity pressure at VAV inlet flow ring and comparing to <br /> manufacturer's airflow calibration chart <br /> (2) Duct traverse of supply duct <br /> (3) Summation of measured airflow at all applicable supply diffusers <br /> (a) If terminal unit is a series fan powered VAV, fan speed must be set where <br /> VAV is neutralized <br /> (b) If terminal unit is a parallel fan powered VAV,fan should remain off with <br /> back draft damper shut <br /> iii) Record VAV nameplate data, inlet size, and heating/cooling airflow set points <br /> b) General Exhaust Fans <br /> i) Force exhaust fan to maximum airflow setpoint if unit is variable speed or ensure <br /> unit is at normal operating conditions if constant volume <br /> ii) Measure total exhaust airflow using one of the following methods <br /> (1) Duct traverse at exhaust fan inlet <br /> (2) Summation of applicable exhaust inlets <br /> (3) Applying RPM, BHP, and static pressure to the manufacturer's fan curve <br /> iii) Record operational data <br /> iv) Record unit and fan motor nameplate data <br /> Thank you for choosing Farrington Air Quality Services,please contact with any questions regarding <br /> the above report. <br /> Daniel Farrington,TABB CP <br /> Owner/Operator <br /> tel:253-446-2159 <br /> cell:253-225-5592 <br /> email:Daniel@farringtonair.com <br /> FARRI NGTON www.farringtonair.com <br /> AIR QUALITY SERVICES <br />