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Air Handling Unit

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Package Type Hygienic AHU

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Faults and Solutions for Air Handling Units

You can download our document related to Air Handling Unit faults and solutions from here.

Frequently asked questions

Air Handling Unit Operates Noisy

Measurement of the air flow rate and adjusting it according to the appropriate values

Check the channel size and revise it if necessary

Check the fan capacity, replace if necessary

Replace the rotor

Adjust the balance

Air handling unit has high airflow

Air handling unit (air handler) is a HVAC system device to control heating, ventilating and air conditioning in a specific area.

Air handling unit consists of the following components;

  • Fans
  • Heating & cooling equipment
  • Filters
  • Humidifier
  • Silencer
  • Automation / Control

AHU is the main part of a HVAC system which can heat or cool the air and transfer the air through the duct flow units inside a building. It takes warm air inside and cools the air through the evaporator coil and blows the air back to the building as fresh and cold air. 

  • Residential buildings
  • Public facilities
  • Commercial facilities
  • Factories
  • Shopping Malls
  • Medical Buildings

Fine-tune the damper settings or change the pulleys to slow the fan

The motor is overloaded. Measure the current drawn by the motor

Install grilles

Install the filters

Adjust the airflow using dampers

Electric heater not heating

Locate and repair the error

The safety breaker has tripped. Poor duct design very close to the heater causes uneven air velocity and overheating of the body.

The stepper thermostat is faulty

There is a water leak in the air handling unit

Remove any clogging debris or object from the drain pan and make sure the pipe is open

In this case, close the water inlet and outlet valves and repair on-site if possible, otherwise; remove it and have it repaired. Or inform the authorized service

Inspect the siphon, clean it if it is clogged, or install a new siphon

Tell your plumber to clear the clog in the pipe