![]() Thermal Wheel - Visually inspect for contamination, foreign objects, corrosion, and damage. Heating Coil - Visually inspect for contamination, foreign objects, corrosion, leakage, and damage. If anything noted, then clean or inspect/conduct remedial action.Ĭooling Coil - Visually inspect for contamination, foreign objects, corrosion, leakage, and damage.Įvaporator - Visually inspect for contamination, foreign objects, corrosion, leakage, and damage.Įvaporator - Visually inspect for any ice build-up.Ĭondenser - Visually inspect for contamination, foreign objects, corrosion, leakage, and damage.Ĭompressor - Inspect the oil levels to ensure they are in line with the manufacturers requirements.Ĭondensate Drain - Visually inspect pan for contamination, foreign objects, corrosion, and damage.Ĭondensate Drain Pan - Conduct flow test on drain pan, trap and pipework system. Heating Water - Take samples and analyse the water quality serving all wet coils to ensure it is in line with the original design requirements.įrost Coil - Visually inspect for contamination, foreign objects, corrosion, leakage, and damage. If anything noted, then conduct remedial action/lubricate.Ĭhilled Water - Take samples and analyse the water quality serving all wet coils to ensure it is in line with the original design requirements. If anything noted, then conduct remedial action.įan Motor - Inspect belts and pulley tensions, in line with the manufacturers requirements, and for wear and tear.Īny noted issues should be investigated, and remedial action taken.įan Motor - Inspect motor bearings for vibrations, noise, overheating and lubrication. Unit - Visually inspect the internal and external cleanliness of the unit. Steam Humidifier Control Panel - Visually inspect electrical connections, components, and cables for damage/issues. Steam Humidifier - Visually inspect drainage pipework for any blockages and obstructions. Steam Humidifier - Visually inspect the overall steam installation and supply pipework for any damage or leakage. Steam Humidifier - Visually inspect water levels. Steam Humidifier - Check for damage and leakage Steam Generator - Inspect for damage and leakage. Note: changes could impact the buildings energy usage. If it is not, investigate as to why and reset if no reason provided. Set Point - Visually Inspect temperature setting to ensure as per design/operational needs. If any are noted, they should be investigated further. ![]() Unit - Observe and review the unit for any changes in operating conditions. Electrical isolations, including ‘lock out tag out’ of Equipment and Panels, including documentation.⚠️ Note: Before any work takes place on the equipment, the following should be in place: The routine and timings for the checks will be broken into the following time frames/schedule: □ If you would like to understand more about air handling units check out our article ' AIR HANDLING UNITS | All we need to know ', for more information. ![]() The following parts and components will be inspected under this work: In the below article, we will go through a typical preventative maintenance regime for the air handling unit and some of its peripheral equipment. The early operation and troubleshooting of issues will help maintain an efficient system.Fire risk due to the building up of potentially combustible materials within the ducting.Damage to existing installations, for example, ceilings and walls becoming contaminated from airborne dirt particles and dirty air, is usually seen by dirty streaks.Smells and general internal air quality problems, from dirty filters, coils, and drain pans/drip trays.Additional complaints from occupants because comfort levels are affected due to the filters, coils, controls, and valves not working as designed.Coils cannot operate to their peak efficiency, operating conditions, and performance characteristics.Higher running costs due to the blower motor having to work harder to blow the air through unmaintained filters and coils.Higher failure rates of the equipment and its components, increasing overall costs and maintenance/repair requirements.There are 8 good reasons for maintaining them, and not having a straightforward, detailed, regular maintenance programme can significantly affect their operation, failures/wear/tear, and energy usage: To ensure that any air handling unit installed is maintained, operates efficiently, and is in line with the current design requirement years after installation, they should be inspected, tested, and maintained at the following intervals:
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