2
920-010-06 (5-05)
Table of Contents
The Friedrich C-90B Electronic Air Cleaner ..............................................................................................................3
CAUTION: Before Operating the Unit ......................................................................................................................3
Operating Your Friedrich Air Cleaner .........................................................................................................................4
Cleaning ....................................................................................................................................................................4
Important Precautions ..................................................................................................................................4
Cleaning the Pre-Filter .................................................................................................................................5
Cleaning the Carbon Filter ...........................................................................................................................5
Cleaning the Electronic Cell .........................................................................................................................5
Alternate Cell Cleaning Method ...................................................................................................................6
Discoloration of the Cell ............................................................................................................................................6
Replacing the Cell in Cabinet ....................................................................................................................................6
Activated Carbon Filter ..............................................................................................................................................7
Consumer Troubleshooting Guide .............................................................................................................................7
Major Components Diagram .....................................................................................................................................8
Specifi cations ............................................................................................................................................................8
If You Need Service ...................................................................................................................................................9
Regional C-90B Warranty Repair Stations ................................................................................................................9
Electronic Air Cleaner Warranty ..............................................................................................................................10
