According to the “Technical Specification for Hospital Cleansing Department” GB 5033-2002, the clean air conditioning system should be in a controlled state, which should not only ensure the overall control of the clean operating department, but also enable the flexible operating room to be used flexibly. In order to clean the normal operation of the air conditioning system and ensure the use of the filter in the air conditioning unit, the following instructions are made: The air conditioning unit should be equipped with a three-stage air filter. The first stage should be installed at the fresh air outlet or close to the fresh air outlet. Primary filter. The primary filter of the new fan unit is replaced once every 20 days; the primary filter in the circulating unit is replaced once every six months. In the case of a large amount of floating dust and dust in the climate, the primary filter of the new air blower unit is replaced once a week or a half, and the primary filter in the circulating unit is replaced half a year. 2. The second stage should be set in the positive pressure section of the system called the medium filter. The medium filter in the new fan unit is replaced once a month; the medium filter in the cycle unit is replaced once every six months. The sub-HEPA filter in the new fan unit is replaced once every six months. (Ultimate to the differential pressure warning) 3 The third stage should be placed near the static pressure tank at the end of the system or close to the end, called the HEPA filter. The HEPA filter is replaced after the warning of the difference in pressing.
Post time: Aug-02-2017