C-90A
Electronic Air Cleaner
2003
Service Information
C90ASI3(1-03)
Table of Contents
Page
Friedrich Electronic Air Cleaner ................................................................. 3
Specifications ............................................................................................. 3
CAUTION - Before Operation .................................................................... 4
Operating Your Friedrich Air Cleaner ......................................................... 4
How Electronic Air Cleaners Work ............................................................. 5
Cleaning
Important Precautions ....................................................................... 5
Cleaning the Pre-Filter ...................................................................... 5
Cleaning the Carbon Filter ................................................................ 5
Cleaning the Electronic Cell .............................................................. 6
Alternate Cell Cleaning Method ........................................................ 6
Discoloration of the Cell ............................................................................. 6
Replacing the Cell in Cabinet ..................................................................... 7
Activated Carbon Filter............................................................................... 7
Consumer Troubleshooting Guide ............................................................. 7
Troubleshooting Electronic Air Cleaner...................................................... 8
Wiring Schematic ....................................................................................... 9
Major Components ..................................................................................... 10
C-90A Electronic Air Cleaner Component Parts List ................................. 11
Authorized Warranty Repair Stations ......................................................... 12
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Friedrich Electronic Air Cleaner
The F riedrich Electronic Air Cleaner is a self-contained
console model consisting of a high voltage DC power
supply, electronic cell, 3 speed fan, pre-filter and
activated carbon post-filter 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 office. The activated carbon
post-filter also helps eliminate many objectionable indoor
odors.
Specifications
MODEL C-90A
OPERATING TEMPERATURES
This air cleaner is intended for use at temperatures
normally found in occupied spaces.
ELECTRICAL RATINGS
115 Volt, 60 Hertz.
INDICATOR LIGHT
Located on the access cover next to 3-speed
switch. Indicates air cleaner operating properly.
INTERLOCK SWITCH
Interrupts supply power to unit when access cov er
is opened.
WEIGHT
35 lbs. shipping weight
30 lbs. net weight
DIMENSIONS
Height Width Depth
Cabinet 19" 15" 21 1/2"
Cell 16" 12 1/2"4 1/2"
Pre-Filter 15 7/8" 12 3/4" 1/4"
Carbon Filter 15 7/8" 12 3/4" 1/4"
NOMINAL CURRENT AND POWER CONSUMPTION
Power Supply 120 Volt, 60 Hertz
CFM Amps Watts
High Speed 410 .78 99
Medium Speed 340 .56 64
Low Speed 280 .41 47
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CAUTION - before operation . . .
• Remove the plastic cov er from the activated carbon filter
and install in unit.
• Position the pre-filter at the rear of the unit (closest to
the electronic cell) and the carbon filter at the front (side
air comes out.)
• Make sure the electronic cell is properly placed in the
cabinet - airflow 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 grounded plug for your
protection against shock hazards and should be plugged
directly into a properly grounded receptacle.
• Electronic air cleaners should NOT be placed in any
area where potentially explosiv e gases or vapors exist,
nor should they be used in wet environments .
Operating your Friedrich air cleaner
CONTROLS
All controls for the F riedrich electronic air cleaner are located
on the top of the unit and are accessible through an opening
in the top cover. The controls are OFF - HI -MED - LOW.
Plus, an indicator lamp shows when the cleaner is on and
operating normally .
Generally, HIGH fan speed is used in extreme conditions
for rapid cleaning, such as after a party where there were
many smokers; or for large areas where HIGH f an is required
to circulate the clean air into all areas of the room. MEDIUM
and LOW settings are usually adequate to maintain a clean
air environment.
At initial start-up, the indicator lamp may flicker on and off
and is no cause for alarm. Should the lamp completely fail
to come on, review BEFORE OPERATING and
TROUBLESHOOTING sections.
During the initial use, "snapping" sounds may be heard.
This is normal and the unit may continue to make these
noises the first few da ys of operation. After the initial breakin period, only an occasional "snap" will be heard, indicating
the unit is cleaning your air. NOTE: As the air cleaner
electronic cell becomes dirty, it will “snap” more
frequently. When this occurs, you should consider
washing the cell.
LOCATION
The best location is a position closest to the concentration
of tobacco smoke or dust producing activities.
Position the unit so that the airflow around the intake and
discharge grilles is not blocked. For best results , do not place
the intake grille (rear) closer than 18 cm (8") from a wall.
Provide a clear, unobstructed path for the discharge air.
The farther the discharge air travels, the greater the
effectiveness of the air cleaner . For g reater comfort, position
the air cleaner so that the discharge air does not cause
uncomfortable drafts.
To use a room air cleaner most effectively in rooms that
share an open doorway or archway, position the unit near
the common opening and direct the airflow into the adjacent
room to promote good air circulation.
ECONOMICAL CLEAN AIR
The Friedrich electronic air cleaner costs no more to operate
than a standard household light bulb. The benefits from clean
air far outweigh the low operating costs of continuous
cleaning. Remember, the more you oper ate your electronic
air cleaner , the cleaner y our air will be.
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