Proper maintenance of the filter unit of FFU fan can improve the service life of the filter unit of FFU fan and save some cost for the enterprise.
A,According to the cleanliness of the environment, the FFU fan filter unit shall replace the filter (the initial effect is generally 1-6 months, and the high efficiency is generally 6-12 months, and the high efficiency filter cannot be cleaned).
Two, on a regular basis (usually once every two months) with dust particle counter measure with this product purification clean area cleanliness, when measured cleanliness does not accord with requirement of cleanliness, should find out the reasons (whether there is leakage, high efficiency filter, etc.) if there is a failure, if efficient filter has failed, it should be replaced a new hepa filter.
Three, Stop the machine when replacing the high efficiency filter and the primary effect filter.
Four, When replacing the high efficiency filter of FFU fan filter unit, the following matters should be noted:
1. When replacing the hepa filter, special attention should be paid to the unpacking, handling and installation of the filter paper to ensure the integrity of the filter paper. It is forbidden to touch the filter paper to cause damage.
2. Before FFU is installed, put the new hepa filter into the light and visually observe whether the hepa filter is damaged due to transportation or other reasons. If there is a leak in the filter paper, it cannot be used.
3. When FFU replaces the lienjie hepa filter, the box should be lifted first, and then the ineffective hepa filter should be taken out and replaced with a new hepa filter (note that the airflow arrow of the hepa filter should be in the same direction as the air flow out of the purification unit). Make sure that the box cover is returned to its original position after the border is sealed.
