Testing, Adjusting, and Balancing (TAB)


TAB for any HVAC system shall be done as per NEBB (National Environmental Balancing Bureau) procedure. MegaTec utilize high degreed engineers to perform complex or large-scale testing tasks and prepare testing reports to ensure high quality of our work for our clients.

Project Title Contract No
Tower CHWP Pump Model
Served Area Pump Serial No
Pump Manufacturer Test Date
Readings By Location: Doha, Qatar
PUMP DESIGN DATA Power Supply 415 V – 3 PH - 50 HZ
Motor Kw, V, Ph, Hz xx, 415 V – 3Ph – 50 Hz
Motor FLA / SF
Motor RPM
PUMP RPM
Pump Flow Rate, gpm
Pump Total Head, ft
Impeller Diam, mm•
PUMP TEST DATA Power Supply (T1-T2, T1-T3 & T2-T3)
Proper Direction of Rotation of any Pump Impeller (Must Be OK)
Motor Kw, V, Ph, Hz xx, xxx V – 3Ph – 50 Hz
Motor FLA / SF
Impeller Diam, mm•
Pump RPM•
Final Motor Drawn Ampere
Final Pump Flow Rate, gpm
Final Discharge Pressure, psi
Final Suction Pressure, psi
Final Pump Actual Total Head, ft
Air Balance - Measuring the Volumetric Air Flow Rate (cfm)
Alternating Current - Measuring the Actual Drawn Ampere (cfm)
Water Balance - Measuring the Chilled Water Flow Rate (gpm)