Microchannel Heat Exchanger Cleaning Procedure
Compared with fin and tube heat exchangers, the MicroChannel coils, tend to accumulate more dirt on the surface and less mess inside, which may make it easier to clean.
Step 1. Remove surface dirt
Removes excess dirt, leaves, fibers and other, with a vacuum cleaner (preferably with a brush or other soft affection, not a metal tube), compressed air blown from the inside, and/or salt bristle (not wire!) the brush. Not affect or scrape coil with vacuum tubes, air nozzles and other
Step 2. Rinse
Do not use any chemicals (including those advertised as coil cleaners) wash Microchannel heat exchangers. They can lead to corrosion. Wash only.
Hose MCHE, from gently, preferably from the inside out, upside down, running the water every fin passage until it comes out clean. Microchannel fins stronger than traditional fin & coils, but must be even more careful. Do not strike the hose on the coil. We recommend putting the finger on the end of a hose, and not by means of a nozzle end, because in the result of spraying and gentle effect of the damage is less likely.
Step 3: Additional drying
Microchannel heat exchangers, because their fin geometry tend to retain more water than traditional fin & coils.
Depending on the particular design and installation of the coil, it may be useful for purging and vacuum from rinse water from your module speed of drying and prevent Association.
Warning!
Although this is possible, should be thoroughly cleaned with pressure, it is also possible to destroy the coil with the pressure. Therefore we recommend not to use them...
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Chillers