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2024

Reasons for the high noise of air to water heat pump

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Installation location

The air to water heat pump should be installed as far away from noise-sensitive areas such as bedrooms and study rooms as possible. If it is installed near these areas, the noise can easily affect daily life. Install it on a stable and solid ground or platform. If the installation surface is uneven or not firm, the equipment may vibrate during operation, thereby increasing the noise. Whether to install shock-absorbing pads during installation, if not installed, the noise will also increase.

EVI Air to water heat pump

Equipment selection

Choose an air to water heat pump with appropriate power. If the power does not match, the machine will run for a long time, and the sound of the machine will become louder over time. When choosing a machine, pay attention to the machine accessories. Xinlei ultra-silent module is silent and safe, and will not disturb the daily life of residents.

Inverter compressors are generally quieter than traditional fixed-speed compressors, but they may still produce noticeable noise, especially during startup or heavy load. Fixed-speed compressors tend to be noisier at full capacity.

The fans in air-to-water heat pumps can create significant noise, especially when running at high speeds. If the unit is undersized for the space, the fans may need to work harder to achieve the desired heating or cooling performance, which increases noise.

Refrigerant Flow Issues

The expansion valve can cause "hissing" or "gurgling" sounds as refrigerant passes through the system. This is a normal operation sound, but it can be more pronounced if there is an issue with refrigerant flow or an improper charge.

Air in the System: Air trapped in the refrigerant lines or incorrect refrigerant charge can create additional noise during operation.

Maintenance

Clean the air to water heat pump regularly. Dust, debris, etc. inside the equipment will affect its normal operation and may cause increased noise. Check whether the various parts of the equipment are loose. If the screws are loose or the pipe connections are not tight, they should be tightened in time to reduce vibration and noise. Pay attention to the operating status of the equipment. If abnormal noise is found, contact professionals for repair in time to avoid further deterioration of the problem.

Frost Buildup

During the defrost cycle, the heat pump may produce more noise as it works to melt ice buildup on the evaporator coil. This is usually temporary but can be disruptive if frequent or prolonged.

Sound insulation measures

If it is centralized, you can install a sound insulation cover or sound insulation board around the air to water heat pump. This can effectively reduce the spread of noise and reduce the impact on the surrounding environment. Use sound insulation materials such as shock-absorbing pads at the connection between the equipment and the pipeline to reduce vibration transmission.

The above points can be compared with the above points to check whether you have done it right, and take corresponding measures in time to reduce noise and improve the user experience.

This article will show you how to understand the heat pump system

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