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Service and maintenance

An Airmaster ventilation unit is built for a long service life and requires minimal maintenance to achieve this long service life. However, as with anything else mechanical, there is certain maintenance we recommend. Partly to extend the life of the unit, and partly to maintain the optimum indoor climate and minimal energy consumption throughout its lifetime.

To ensure our customers a positive experience with their ventilation units, including low operating costs and optimal indoor climate, we offer a range of services. 

Installation and start-up of Airmaster decentralised ventilation units

The decentralised ventilation unit is quick and easy to install, so the day-to-day use of a room does not need to be interrupted or disturbed for long. After just a few hours’ access to the room, the unit is installed and ready for operation.

The start-up of the ventilation system is a task which Airmaster is happy to help with. Start-up can be with or without functional performance testing. 

Filters for the ventilation units

Changing the filters on Airmaster ventilation units is necessary to maintain the units in the best possible condition. Very dirty filters will result in pressure loss, forcing the unit to work harder to provide the desired airflow – this is not energy efficient. Failure to maintain the filters may also affect the quality of the indoor climate. 

Life expectancy of filters in an Airmaster ventilation unit

When shoud a filter be changed?

This depends on multiple factors. For several years, Airmaster has been systematically collecting filters from many different types of units, room types and locations to learn more about this. Based on our findings, we recommend the average filter change intervals below.

The intervals may vary if the unit is installed in particularly polluted areas, such as construction sites or in rooms with a lot of dust.

  • Units with an annual operating time of less than 3,000 hours. Maximum service life 14 months
  • Units with an annual operating time of between 3,000 and 5,000 hours. Maximum service life 12 months
  • Units with an annual operating time of more than 5,000 hours. Maximum service life 6 months

This means that units installed in typical offices, classrooms and institutions should have their filter changed at least every 14 months.

Airmasters guidelines regarding service interval should be considered as a supplement to any national requirements.

See how to change filter in an Airmaster ventilation-unit

To ensure low operating and servicing costs on an Airmaster ventilation unit, Airmaster uses, as standard, filters with an exceptionally large surface area in relation to the airflow for which the units are designed.

Compared with recognised brands of central ventilation systems, the filter surface in relation to the airflow in the filter of an Airmaster ventilation unit is roughly 2.5 times larger.

Not only does the filter have a long service life, but its large filter area results in lower energy consumption as the energy needed to draw air through the filter decreases the less resistance there is in the filter.

A lower final pressure also contributes to lower energy consumption throughout the life of the filter.

Pressure Loss

Filter standard

Airmaster supplies particulate filters which comply with the new filter standard, EN ISO 16890. The new EN ISO 16890 test method takes into account the filter’s ability to remove a range of particle sizes, which the previous standard (DS / EN 779: 2012) did not. 

The ISO 16890 classifications mentioned are the filter classes we use most. Other filter classes can be supplied on request.

Airmaster also supplies a wide range of filters for earlier models of Airmaster units, allowing us to continue to change filters regardless of the age and model of the unit.

Filters in Airmaster ventilation units are placed in a frame which forms a tight seal between the two. Unfortunately, we often find that when unoriginal filters are used, they do not fit tightly in the filter frames and thus do not comply with EN 1886:2007. The use of unoriginal filters can therefore cause excessive leakage, resulting in more soiled components, higher energy consumption and poorer air quality.

Airmaster therefore always recommends the use of original Airmaster filters.

Performance test

performancetest

Ready for a breath of fresh air

At Airmaster, we are “decentral” through and through. We are unrivalled when it comes to creating the best indoor climate and optimal well-being because we take each room and its occupants into account – and because we constantly strive to improve on what we do.

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