Troubleshooting airflow – Greenheck Fan Energy Recovery Ventilator APEX-200 User Manual
Page 26
26
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Troubleshooting Airflow
Test and Balance Report
The test and balance report (TAB) is utilized to determine whether the appropriate amount of outdoor air and
exhaust air is being supplied and removed from a building, respectively. There are no set rules on what
information must be included in a TAB report. As such, if a TAB report indicates that the airflow on a unit is low,
prior to contacting the factory, please determine the following information:
Airflow problems can often be tied back to improper ductwork installation. Be sure to install ductwork in
accordance with SMACNA and AMCA guidelines.
Model Number
Serial Number
Name Plate Information
Voltage
Hertz
Phase
Outdoor Air Fan Amps
Exhaust Fan Amps
Outdoor Air Fan Horsepower
Exhaust Fan Horsepower
Design Airflow
Outdoor Air
Exhaust
Measured Airflow
Outdoor Air
Exhaust
Measured Data
Blower Rotation
Outdoor Air Fan RPM
Exhaust Fan RPM
Outdoor Air Fan Amp Draw
Exhaust Fan Amp Draw
Pressure Drop Across Energy Recovery Wheel
Outdoor Air Side
Exhaust Side
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