Relier Pairs AHU Maintenance MatchVersion en ligne AHU unit PM focused on blower and coolant par Fathe 1 Use vacuum cleaners for removing accumulated dirt from hard-to-reach areas. 2 Prevents mechanical damage during maintenance. 3 Remove dust and debris from the blower wheels and housing. 4 Check for unusual noise and vibrations. 5 Damaged belt should be replaced when damaged 6 Power off the unit and disconnect from the power source. 7 Ensure that the blower motor operates smoothly without overheating. 8 Inspect blower fan blades for cleanliness and damage. Critical for ensuring the system does not fail prematurely. Reduces risk of dust buildup affecting performance. Removal of dirt and debris to ensure proper heat exchange. Essential first step for safe maintenance. Helps maintain optimal airflow and system efficiency. replacing belt should be based on the model number of the belt Keeps the unit running efficiently and prevents system stress. Identify potential mechanical issues early.