Periodic cleaning of the air-conditioner is necessary to prevent breakdown and excessive wear of the unit. A soft cloth or vacuum cleaner can be used to clean the components. The grills, condenser and evaporator coils, fans and dampers should be freed from obstructions. The air seals in the window and cabinet should be checked to see that they have not loosened or deteriorated. Such cleaning and periodic checking give troublefree service in most of the cases.
Air-conditioning Cassettes :
The term “Cassette” came into use in 1875 to describe a flat box used for transporting photographic plates. In more recent times, we have used this term for hi-fi equipments as videos, computers, compact cameras and so on. From 1980 onwards, the ceiling cassette became terminilogy in air-conditioning industries. The cassette air-conditioner has made a bigger impact in Heating, Ventilating and Air-conditioning trade during last 10 years than any other single product in its history. The first ceiling cassette was brought in the market in 1984. By 1985, other two companies Daikin and