Friedrich C-90b Service Manual
Operating Guide
C-90B
Electronic Air Cleaner
920-010-06 (5-05)
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
2
920-010-06 (5-05)
The Friedrich
C-90B Electronic
Air Cleaner
CAUTION:
Before operating
the unit
The Friedrich Electronic Air Cleaner is a self-contained console model consisting of a high
voltage DC power supply, electronic cell, 3 speed fan, pre-fi lter and activated carbon postfi lter in a rugged plastic cabinet.
It is designed to remove dust, tobacco smoke, pollen, bacteria and other airborne contaminants
from the air. In just minutes, you will notice improvements in your indoor air quality as your
Friedrich air cleaner begins the job of removing the billions of irritating microscopic particles
from your home or offi ce. The activated carbon post-fi lter also helps eliminate many
objectionable indoor odors.
• Carry unit by handle indentations on side panels or carry from base, as the top removes
for fi lter maintenance and will not support the unit.
• Remove the plastic cover from the activated carbon fi lter, and place the fi lter with label
facing out.
• Make sure the electronic cell is properly placed in the cabinet - airfl ow arrow on the end
plate should be pointing toward the fan.
• Make sure that the top cover is securely in place.
• This unit is equipped with a three-prong (grounded) plug for your protection against shock
hazards and should be plugged directly into a properly grounded three-prong receptacle.
DO NOT, UNDER ANY CIRCUMSTANCES, CUT OR REMOVE THE GROUNDING
PRONG FROM THIS PLUG.
• Electronic air cleaners should NOT be placed in any area where potentially dangerous
gasses or vapors exist, nor should they be used in wet environments.
Pre-Filter
Ionizing Section
of Electronic Cell
Collector
Plates
3-Speed Fan
Carbon Filter
3
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