| 摘要 |
An indoor unit has an air flow passage defined therein so as to communicate between an air intake opening and an air delivery opening both defined in the indoor unit. The air flow passage accommodates an air filter, a heat exchanger, and a circulating fan. The indoor unit is provided with at least one of additional functional devices including an electric dust collector, a filter type dust collector, a deodorizer, and an ion generator. The air filter and the at least one of the additional functional devices require no maintenance to be performed thereon for a predetermined period of time.
|
