General Ac24 Owner's Manual

Fresh Indoor Air Quality

INSTALLER: PLEASE FILL OUT AND MAIL GUARANTEE CARD AFTER INSTALLATION
IS COMPLETE. LEAVE INSTALLATION INSTRUCTIONS WITH HOME OWNER

This air cleaner is designed for use in systems up to 2000 CFM. For higher airflows additional units
may be required. See Typical Installations below.

RETURN AIR

WARM AIR

RETURN AIR

WARM AIR

MODEL AC-24

HIGH EFFICIENCY

AIR CLEANER

FOR INSTALLATION IN THE
RETURN AIR DUCT OF ANY

FORCED AIR HEATING AND

COOLING SYSTEM

RETURN AIR

WARM AIR

HIGH BOY COUNTER-FLOW

GENERALAire AC-24

HIGH EFFICIENCY AIR CLEANER

WARM AIR

LOW BOY

GENERALAire

FLOW THRU

SERIES HUMIDIFIER

INSTALLATION INSTRUCTIONS

IMPORTANT: A 28 INCH CLEARANCE MUST BE ALLOWED FOR REMOVAL OF THE MEDIA FRAME
ASSEMBLY FROM THE CABINET.

1. Turn off electricity to furnace.

2. Pull front cover off and slide media carrier out of air cleaner cabinet. Discard packing material.

3. Remove and discard existing furnace air filter.

4. Install cabinet in return air system. Duct supports are recommended to support weight of cabinet.

5. Refer to care and maintenance instructions for installation of air cleaner media and pleat spacers.

6. Slide the media frame assembly into the cabinet. Be sure the airflow arrow on the media frame points toward
the furnace blower. The plastic pleat spacers are always on the downstream side of the filter media.

7. Install condition indicator and nameplate in upright orientation.

8. Turn on electricity and furnace, calibrate condition indicator and check performance of all equipment.

15 7/16”

24 1/2”

10 1/16”

29 3/8”

17 3/4”

15 7/16”

23 13/16”

27 15/16”

CARE AND MAINTENANCE

The condition indicator gauge will show when media replacement is required. Use Air Cleaner media assembly Part No. 13156.

1 2

Turn off electricity to furnace.
slide media carrier out of air cleaner cabinet.
cleaner media frame on table with plastic pleat spacers
on top. Loosen pleat spacers by gently lifting at each
end. Carefully remove all pleat spacers. Lift used air
cleaner media out of frame for disposal and clean
media frame.

Pull front cover off and

Place air

3 4

Install the plastic pleat spacers, being careful to insert
one support finger between each pleat. Press each
end of the pleat spacers down firmly to fully engage
the media frame. Pleat spacers may snag on air
cleaner cabinet if not pressed down below media
frame rail.

Place new media pack (Part No. 13156) onto the media
frame. Slide media pack toward foam gasket. Line up
holes in the cardboard strips with the holes in the
media frame.

AIR

FILTER

BLOWER

GAGE

Slide the assembled media frame into the air cleaner
cabinet. Be sure the airflow arrow on the media frame
points toward the furnace blower. The plastic pleat
spacers are always on the downstream side of the
filter media. Attach outer cover.

RETURN

AIR

5

FILTER IS CLE AN

FILTER

CONDITION

CHANGE FILTER

Turn on electricity and run furnace blower on highest
speed. Calibrate condition indicator, with a small
screwdriver adjust the calibration screw to put the
pointer in the center of the “FILTER IS CLEAN” range.