Air Filter Compartment
Model Number
ACM/ACB
With Media Filter
ACM1000
ACM1400
ACM1600
ACM2000
No Media Filter
ACB1000
ACB1400
ACB1600
ACB2000
OWNER’S MANUAL
• Installation
• Operation
• Technical Repair Guide
• Repair and Upgrade Parts
Please read and familiarize yourself with the contents of this manual before
installing, operating or performing maintenance on the unit.
White-Rodgers is a division
of Emerson Electric Co.
www.white-rodgers.com
Printed In U.S.A.
PART NO. 37-6383A
Replaces 846-2032-B
0206
INTRODUCTION
The White-Rodgers Air Cleaner Compartment comes complete with a 5” media furnace air filter. This filter must be
changed every three months to maintain efficiency of the filter
and furnace system. For maximum efficiency, the compartment can be upgraded to a White-Rodgers Electronic Air
Cleaner.
Please read instructions before installing and using the Air
Filter Compartment.
! CAUTION
▲
The fiber filter used in this cabinet for air cleaning
must be replaced every 90 days. Your heating and
cooling efficiency will decrease due to insufficient
air flow when filter becomes dirty.
! WARNING
▲
Do not attempt installation of this unit unless you
are familiar with the necessary tools, equipment,
and potential hazards.
Installation should be performed only by a qualified
service provider.
Failure to do so could result in reduced performance
of the unit, serious personal injury or death.
GUARANTEE
White-Rodgers will not assume any responsibility for
component failures due to incorrect installation procedures.
RULES FOR SAFE INSTALLATION
AND OPERATION
1. Read the Owners Manual and the Rules for Safe
Operation carefully. Failure to follow these rules and
instructions could cause a malfunction of filter or
unsatisfactory service.
! WARNING
▲
Installation of this unit must comply with local
electric codes or other applicable codes.
Review and understand local codes prior to
installation.
! WARNING
▲
Before installing or servicing, always
shut off electricity. This will prevent
any electrical shocks.
2. Follow a regular service and maintenance schedule
for efficient operation.
TABLE OF CONTENTS
Rules for Safe Installation and Operation ............2
How the Air Filter Works ......................................3
Construction of the Air Filter Compartment .........3
Preinstallation.......................................................4
Installation ............................................................ 6
Maintenance.........................................................7
Repair and Upgrade Parts ................................... 7
DID YOU GET THE RIGHT SIZE
AIR FILTER COMPARTMENT
Model ACB & ACM1000 are designed for heating or
cooling blowers delivering 600 to 1200 cubic feet of air per
minute (cfm.)
Model ACB & ACM1400 are designed for heating or
cooling blowers delivering 1000 to 1600 cfm.
Model ACB & ACM1600 are designed for heating or
cooling blowers delivering 1200 to 1800 cfm.
Model ACB & ACM2000 are designed for heating or
cooling blowers delivering 1600 to 2200 cfm.
Before installing the filter, make sure you have selected
the proper size unit for your heating and cooling system
requirements. See specifications on page 4.
BASIC TOOLS REQUIRED
Tin Snip
Screwdriver
Rule or Tape Measure
Drill
2
HOW THE AIR FILTER WORKS
5" FILTER
Dirty air flows through your return air ducts and enters the
compartment where particles (hair, lint, etc.) are removed
by the filter. See figure 1.
Filtered air re-enters to the supply duct system of your
building.
DIRTY AIR IN
CONSTRUCTION OF THE AIR FILTER COMPARTMENT
Not only is your air filter compartment easy to install, it is
also easy to maintain. Its basic components, and their
functions, are as follows: (See Figure 2)
Air Filter Compartment- mounts to existing duct work and
houses the filters or optional electronic air cleaner
cells.
NOTE: To upgrade your air filter compartment
with a high efficiency Electronic Air Cleaner, use
the ACR (Air Cleaner Retrofit) Kit for your model.
See page 7 for details.
5” Filter - collects dust, dirt and other particles.
AIR FILTER COMPARTMENT
FILTERED AIR OUT
Figure 1
5" FILTER
DOOR
Figure 2
3
PREINSTALLATION
LOCATING THE AIR FILTER
Your air filter must be mounted in the return air duct of a
central forced-air system, on the air entering side of your
furnace. (See Figure 3 for example.)
Select a location that meets the following:
1. The face of the filter will be at a right angle to the air
stream.
2. Allow 25” of clearance in front of the air filter compartment door to permit removal of filters.
See figure 4 for complete compartment dimensions.
3. The air filter is not to be placed in the discharge of
either the heating or cooling unit.
4. IMPORTANT: If atomizing spray type humidifier is
used, it must be installed downstream from the air
filter.
If furnace opening cannot be enlarged to required size, a
transition sheet metal section must be used. Transition
must be planned for each job. Reduction should not be
more than 4 inches per linear foot, approximately 20
angular degrees (Figure 3).
AIR FLOW
FURNACE
OPENING
FURNACE
NOT TO EXCEED 20
AIR CLEANER
TRANSITION SECTION (IF NEEDED)
Figure 3
6 7/8
THIS CABINET
CAN ACCEPT
ELECTRONIC
AIR CLEANER
OPTION
(SEE PAGE 7)
AIR FLOW
AIR CLEANER
OPENING
DUCTWORK
D
C
B
A
E
Model No. A B C D E
ACB/ACM1000 20-1/4 12-5/8 13-9/16 16-7/16 19-1/16
ACB/ACM1400 26-1/4 23-5/8 13-9/16 16-7/16 19-1/16
ACB/ACM1600 20-1/4 12-5/8 17-3/4 20-5/8 23-3/8
ACB/ACM2000 26-1/4 23-5/8 17-3/4 20-5/8 23-3/8
Figure 4
4
TYPICAL MOUNTING POSITIONS
AIR FLOW
Figure 5
BASEMENT FURNACE
(LOWBOY) (Figure 5)
Filter is mounted horizontally in return plenum, just
above furnace.
AIR FLOW
Figure 6
COUNTERFLOW
FURNACE (Figure 6)
Filter is mounted horizontally
in return duct or plenum, just
above furnace.
AIR FLOW
Figure 7
HIGHBOY FURNACE
(Figure 7)
Side installation. Filter is
mounted vertically, where
return air enters side inlet
of furnace.
HIGHBOY FURNACE
(Figure 8)
Installation beneath furnace.
Filter mounts horizontally,
where return air enters from
below. Raise furnace and install beneath base.
AIR FLOW
AIR FLOW
HORIZONTAL FURNACE
(Figure 10)
Figure 10
Filter is mounted vertically in
the return duct near furnace.
LESS THAN
7 INCHES
FIGURE 9
OFFSET
AT LEAST
9 INCHES
OFFSET INSTALLATION
(Figure 9)
Typical use of duct offset to match air filter opening.
If duct connection to furnace allows less than nine
inches for mounting the air filter, shorten the lateral
trunk, or attach an offset fitting to the elbow.
5
INSTALLATION
REMOVE OLD FILTER AND DISCARD
(Figure 11)
NOTE: This filter may be mounted in the furnace compartment.
CLEAN BLOWER COMPARTMENT
NOTE: The air filter cannot remove dirt from blower and
ducts.
INSTALLATION
The following is a typical installation of the air filter on a
“Highboy” furnace (Figure 7).
1. Place the air filter compartment on the floor. Stand it
upright with the door facing you (Figure 2). If a
horizontal installation is being planned, lay the compartment on its side, this will help you to visualize the
relative location of all parts.
2. Unscrew the knob, remove the door (by grasping top
and pulling door away from compartment) and set it
aside. Remove 5” filter. Set in a safe location until the
compartment is installed.
3. Set the compartment next to the furnace (if possible)
to match the opening in the compartment.
If the furnace opening cannot be enlarged, a transition fitting should be used. (Figure 3).
The compartment can be attached directly (Figure
12), or a starting collar can first be fitted to the furnace
inlet. A butt or slip joint can be used.
Securely attach the compartment to furnace inlet,
using at least two of the mounting holes on each side
of the compartment.
4. Using butt joint, attach duct work (normally an elbow)
to the upstream side of air filter compartment. (Note
the use of the sheet metal turning vanes inside the
elbow to improve air distribution.) (Figure 13)
NOTE: An optional method of attaching duct work to the
air filter cabinet is to modify the compartment (Figure 14)
by bending the tabs outward at a 90° angle and attaching
duct work to tabs.
Air Flow
Figure 11
Turning
Vanes
Figure 13
Transition Fittings
If the air duct does not fit the compartment opening, a
transition fitting should be used. Gradual transitions are
preferred for greatest efficiency. Not more than four
inches per linear foot (approximately 20° angle) should be
allowed (Figure 3).
5. Connect the vertical duct section to the elbow. Wedge
a wood block between floor and elbow for support
(Figure 15).
6. Seal all joints in the return air system downstream
from the air filter with duct tape to prevent dust from
entering the air stream. Tape is usually applied on the
outside of ducts, but may also be applied on the
inside, or both.
(Bend tabs outward at 90˚ angle)
7. With the air filter compartment installed, re-install 5”
6
Optional method
Figure 14
filter and door. (Figure 2)
Vertical
Section
Wood Block
FLOOR
CONDUIT
Tape All
Joints
DUCT
Figure 15
MAINTENANCE
! CAUTION
▲
The fiber filter used in this compartment for air
cleaning must be replaced every 90 days. Your
heating and cooling efficiency will decrease due
to insufficient air flow when filter becomes dirty.
For maximum efficiency, your air filter should be inspected once a month and changed if dirt loading is
heavy. When changing is required, the following procedure should be used:
REPAIR and UPGRADE PARTS
1
2
3
1
AIR CLEANER
Figure 16
1. Remove door from air filter compartment by unscrewing the knob.
2. Remove 5” filter and throw away.
3. Replace 5” filter by sliding it into the compartment.
(Note direction of air flow.)
4. Replace door.
PARTS LIST FOR
AIR FILTER COMPARTMENT
When ordering repair parts, always give the following
information as shown in this list.
1. The PART NUMBER
2. The PART DESCRIPTION
3. The MODEL NUMBER of the Air Filter Compart-
ment
UPGRADE!
ELECTRONIC AIR CLEANER KIT
Always order by “PART NUMBER” . . .
Not by “ITEM NUMBER”
Part Number
Item
No. Description 1000 1400 1600 2000
1 Compartment & Door ACB1000 ACB1400 ACB1600 ACB2000
2 Filters 5” FR1000 FR1400 FR1600 FR2000
3 Screw, Fastener F870-0026 F870-0026 F870-0026 F870-0026
Description 1000 1400 1600 2000
Electronic Air Cleaner Retrofit Kit ACR1000 ACR1400 ACR1600 ACR2000
7
NOTICE TO CONSUMERS
White-Rodgers
Electronic Air Cleaner
Dear Consumer;
White-Rodgers would like to thank you for purchasing a White-Rodgers Electronic Air
Cleaner or product containing a White-Rodgers Electronic Air Cleaner. Although WhiteRodgers does not extend a warranty directly to consumers, White-Rodgers does extend a
warranty to Wholesalers and Original Equipment Manufacturers who use White-Rodgers
Products. To obtain more information about how your Wholesaler or Original Equipment
Manufacturer’s warranty may benefit you, please contact your Wholesaler or Original
Equipment Manufacturer.
Sincerely,
White-Rodgers
The Emerson logo is a
trademark and service mark
of Emerson Electric Co.
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