I had a honeywell hepa air purifier 50250 given to me as a gift with no owners manual! Is there somewhere I can get one? also, there is buttons on the top, one saying check filter and the other saying pre filter, when pushed both lights are red, what does this mean? thank you!

Do you have the wiring diagram for this ? there are two wires comin gout of this sensor circuit board. Black and white. do you knwo where they get connected? thank you

Http://www.honeywellcleanair.com/air-purifiers/customer-support/owner-manuals/

Http://www.honeywellpurifiers.com/ssi/pdf/honeywell/50100-200-300-manual.pdf

The Intelli-Check™ Filter Monitors will indicate replacement of the pre-filter and the

HEPA filter. Depending upon your individual usage (environment and hours used),

you may need to check and replace the filters more or less frequently.

To check Expected Filter Life Usage

When the unit is turned on, quickly press the appropriate filter monitor button. The

pre-filter light will flash up to 3 times and the HEPA filter light will flash up to 4 times,

depending upon how much expected filter life has been used.

PREFILTER:

1 flash = from new, up to 1/3 expected life used up

2 flashes = between 1/3 and 2/3 expected life used up

3 flashes = between 2/3 and all of expected life used up

Remains on = time to check/replace pre-filter

HEPA FILTER:

1 flash = from new, up to 1/4 expected life used up

2 flashes = between 1/4 and 1/2 expected life used up

3 flashes = between 1/2 and 3/4 expected life used up

4 flashes = between 3/4 and all of expected life used up

Remains on = time to check/replace HEPA filter

To RESET Filter Monitor

When the filter monitor light remains on, it is time to check/replace the filter and reset

the filter monitor, if needed. With the unit powered on, press and hold the appropriate

filter monitor button down for approximately 5 seconds until the light turns off.
Depending upon your individual usage (environment and hours
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