1. Clean the air cooler. Open the drainage valve, flushing with tap water can; If the dust or dirt accumulates more, it is necessary to take it out and replace it with tap water.

2. Clean the evaporative filter screen, that is, the wet curtain. Unload the wet curtain, washed with tap water can, if the wet curtain dead washed material, first to use tap water to infiltrate him, directly to the wet curtain spray household central air conditioning cleaning liquid, cleaning liquid to fully permeate the wet curtain for 5min, wash with tap water, until the wet curtain sediment solution can be solved.

3. Daily maintenance of wet curtain air cooler is not used for a long time. The key closed air cooler water stop valve, remove the wet curtain, drain the water in the cold tank together, and thoroughly clean the water pit of the air cooler. After cleaning, install the wet curtain back, turn on the air cooler, exhaust system for 5min~8min, after drying of the wet curtain, the main switch power circuit of the closed air cooler can be used.

4. Odor removal. After the use of wet curtain air cooler for a period of time, if there is no cleaning and maintenance of the air cooler, it may cause the cold air sent by the air cooler to have peculiar smell. At this time, it must be cleaned according to the whole process of the second point above. If there is still a peculiar smell, you can add some chlorinated disinfectant to the water pit of the air cooler under the condition of operation, so that the disinfectant can permeate into every corner of the wet curtain and the air cooler, and reciprocate sterilization and disinfection for several times, you can trend the peculiar smell of the air cooler.