Looking after your concentrator
Filters and hour counter: There are two filters, one external black one and an internal one under the top panel which opens to the front. There is an hour counter next to the filter indicating the amount of use. The external filter collects all the dust and fluff that is in the air drawn into the concentrator. It can become clogged very easily especially in a busy clinic. It needs to be cleaned at least once a week. Pick off the dirt first before washing it in soapy water. Rinse, squeeze the excess water out and then dry off with a paper towel and replace. Doing this often increases the life span of the concentrator.
The internal filter is inside the top of the concentrator. It can be white plastic rectangular box (older 515 model) or smokey grey (for the 525 model). The filter paper is visible and white when new. At first the top turns to grey to black; when the lower half is turning grey, it is time to change the filter. However, whatever the colour, it should be changed annually as it is also a bacterial filter. Failure to do this will decrease the lifespan of the concentrator. Put a date label on the front to remind staff to do this. To remove simply pull the filter up out of the tapered hole with a rocking movement. Lightly lubricate the new filter to assist in insertion and removal the next service.
Problems: The following information may help you.
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