See Service Guide, and Troubleshooting Flow Chart for supple-
mentary information.
I. LOCATING UNIT
Fig. 4 shows the air cleaner in the return-air duct of various furnace
installations, with or without air conditioning. Other methods of
installing the unit are permissible if the design criteria outlined in
this section is observed.
A. A. Planning an Installation
When planning an installation, consider the following:
1. Air cleaner is approved only for indoor installation. If
outdoor installation is used, unit must be housed in weather-
proof enclosure.
2. Air cleaner may be placed in horizontal position on its right
or left side or in vertical position on its bottom or back. It
must be installed on inlet air side of heating and/or cooling
unit. Be sure that airflow through air cleaner is in same
direction as "airflow arrows" on cells.
Fig. 2—Dimensional Drawing
MODEL A B C
901KAX012 24-3/4 21-3/4 19-1/2
901KAX016 27-1/4 24-1/4 22
901KAX020 31-1/2 28-1/2 26-1/4
A91466
8
1
⁄2″
7
⁄8-IN. ELECTRICAL
ENTRANCE FOR DUCT
APPLICATION
REAR MOUNTING FLANGE
A
3″
16
7
⁄8″
2
1
⁄16″
C
B
21″
REMOVABLE
POWER DOOR
ELECTRICAL ENTRANCE (
5
⁄8-IN. DIA)
FOR FURNACE APPLICATIONS
LOGO
OPERATION
LIGHT
KNOB
ON/OFF
SWITCH
1″
TABLE 1—COMPONENT INFORMATION
MODEL 901KAX012 901KAX016 901KAX020
Air Volume Range 300-1400 500-1800 700-2000
Electrical Data
(Input to power door)
120v, single phase, 60 Hz 120v, single phase, 60 Hz 120v, single phase, 60 Hz
Electrical Data
(Output To Collector Cell)
120v—1.0 milliamps @ 7300vdc
Approx Ship. Wt. 120v 50 54 57
Note: Using the EAC on air duct systems designed for airflows lower than 300 CFM for 012-size units, 500 CFM for 016-size units, or 700 CFM for 020-size units, is
not recommended.
TABLE 2—PRESSURE DROP AT VARIOUS AIRFLOWS
901KAX012 901KAX016 901KAX020
CFM Pressure Drop (In. wc) CFM Pressure Drop (In. wc) CFM Pressure Drop (In. wc)
300 0.005 500 0.010 700 0.010
400 0.010 600 0.025 800 0.013
600 0.020 800 0.020 1000 0.018
800 0.030 1000 0.028 1200 0.023
1000 0.050 1200 0.035 1400 0.030
1100 0.060 1400 0.045 1600 0.038
1200 0.065 1600 0.065 1800 0.045
1300 0.075 1700 0.070 1900 0.048
1400 0.085 1800 0.080 2000 0.050
—2—
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