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Noise problems not only affect comfort but may also indicate internal equipment malfunctions. Our company's D-series air-cooled units and double-sided air outlet fan coil units have fully considered noise reduction requirements in their structural design.
1. Mechanical Operating Noise (Fan/Compressor)
Reason: Unbalanced fan blades, aging bearings, or unstable compressor operation.
Impact: This is the most common source of noise and can be particularly noticeable at night or in quiet environments.
Suggestion: Regularly check fan blades, lubricate bearings, and replace compressor components if necessary. 2. Resonance Noise
Cause: Unstable equipment installation; vibration is transmitted through pipes or the casing, causing resonance.
Impact: May cause a "humming" sound in walls or ceilings, and even lead to structural cracks.
Suggestion: Use vibration-damping pads during installation and check if the fixing bolts between the equipment and the wall are loose.
3. Water Flow Noise (Air Conditioner Dripping)
Cause: Drainage pipes are too narrow, blocked, or the water pump is operating.
Impact: In cooling mode, the operation of the water pump will generate water flow noise.
Suggestion: Regularly clean the drainage pipes and check the installation position and vibration damping of the water pump.
4. Airflow Noise (Air Vent)
Cause: Unreasonable duct design; airflow impacts the metal pipe wall or passes through narrow air vents.
Impact: Will produce a harsh airflow sound or whistling sound.
Suggestion: Optimize the duct design to ensure smooth airflow, or replace the air vent material with a softer one.
