Common problems and solutions of HRV fresh air system

‌Strike or unable to start‌

Check if the power socket is powered and restart the system

Clean the filter and pipe garbage (such as wasp nests, dust accumulation)

When the accessories of old models are discontinued, you can contact the manufacturer for upgrading

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Reduced air volume‌

Dust accumulation in the filter increases the wind resistance and needs to be replaced periodically (primary/medium efficiency filter 6 months, high efficiency filter 6-12 months)

Check for pipe leakage or blockage of the air outlet, such as pipe deformation, insect nest residue, etc.

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Abnormal noise‌

Improper installation of the filter or vibration of the body requires re-fixing the filter and the host

Avoid long-term high-power operation and adjust the wind speed according to needs

Check if the air outlet is damaged and repair or replace it in time

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Air odor/secondary pollution‌

Long-term failure to replace the filter leads to accumulation of pollutants, and replacement prompts must be followed

Pipeline pollution (such as mold and dust) needs to be cleaned regularly

Usage and maintenance suggestions

‌Environmental adaptability‌

If the outdoor dust is too high (such as during construction), it is recommended to temporarily turn it off to prevent pollution backflow

When used with air conditioning/heating, the heat exchange function can save energy by 50% Above

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Key points of regular maintenance‌

‌Filter management‌: prompt replacement through the intelligent monitoring system to avoid manual estimation errors

‌Pipeline inspection‌: comprehensive cleaning at least once a year, focusing on checking the return air duct leakage problem

‌Waterproof and moisture-proof‌: Check whether there is water accumulation inside the host in winter, and deal with mildew in time

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Installation precautions‌

Preferentially choose the upper air supply duct layout, reduce crossing and bending to reduce wind loss

It is recommended to add rainproof wind caps in basements or humid areas to avoid rainwater backflow

Function and design analysis

‌Heat exchange principle‌

Recover energy through sensible heat (temperature exchange) and latent heat (humidity exchange) to maintain stable indoor temperature and humidity

‌Machine

Model selection reference‌

The common air volume for ordinary households is 150-350m³/h, which needs to be calculated comprehensively based on the room area and the number of people

The noise of silent models can be as low as 16 decibels, suitable for bedroom use

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Difference from air conditioners‌

The new air fan focuses on air purification and ventilation, and cannot replace the cooling/heating function of air conditioners, but can work together to improve comfort