Bard IWSRL-B is a wall sleeve designed for use with the I-TEC Series heat pump, providing a secure and efficient way to connect your unit to the outside wall. It features telescoping sleeves for adjustable wall depths and compatibility with louver depths from 1" to 4". The IWSRL-B is built to withstand various wall thicknesses, ranging from 8" to 13.5", and comes with a weatherization plate for a water-tight seal. Installation is made simple with the included mounting hardware, ensuring a seamless integration with your I-TEC unit.
Bard IWSRL-B is a wall sleeve designed for use with the I-TEC Series heat pump, providing a secure and efficient way to connect your unit to the outside wall. It features telescoping sleeves for adjustable wall depths and compatibility with louver depths from 1" to 4". The IWSRL-B is built to withstand various wall thicknesses, ranging from 8" to 13.5", and comes with a weatherization plate for a water-tight seal. Installation is made simple with the included mounting hardware, ensuring a seamless integration with your I-TEC unit.
Page 1 of 8
MIS-4156
I-TEC® Wall Sleeve for
Recessed Louvers in Masonry Walls
Model:
IWSRL-B
INSTALLATION INSTRUCTIONS
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
Manual: 2100-747A
Supersedes: 2100-747
Date: 1-12-22
MIS-4156
Manual 2100-747A
Page 2 of 8
CONTENTS
Getting Other Information and Publications ... 2
I-TEC Wall Sleeve General Information .............3
Shipping Damage ............................................... 3
General ............................................................. 3
Unpacking ......................................................... 3
Installation ..............................................................6
Masonry Construction Walls ................................. 6
Attachment of Wall Sleeve to I-TEC Unit ............... 7
Figures
Figure 1 IWSRL-B Wall Sleeve Dimensions ............ 4
Figure 2 I-TEC and Wall Sleeve ............................ 5
Figure 3 Masonry Construction Installation ............ 6
Figure 4 Typical Installation ................................. 7
Figure 5 Attachment of Wall Sleeve ...................... 8
GETTING OTHER INFORMATION AND PUBLICATIONS
The following publications can help when installing
the wall sleeve. They can usually be found at the local
library or purchased directly from the publisher. Be sure
to consult the current edition of each standard.
Standard for the Installation of Air
Conditioning and Ventilating
Systems ...........................................ANSI/NFPA 90A
Standard for Warm Air Heating
and Air Conditioning Systems ............ANSI/NFPA 90B
In addition, if may be helpful to consult the latest
revision of I-TEC Installation Instructions manual
2100-549.
For more information, contact these publishers:
ACCA Air Conditioning Contractors of America
1712 New Hampshire Ave. N.W.
Washington, DC 20009
Telephone: (202) 483-9370
Fax: (202) 234-4721
ANSI American National Standards Institute
11 West Street, 13th Floor
New York, NY 10036
Telephone: (212) 642-4900
Fax: (212) 302-1286
ASHRAE American Society of Heating, Refrigeration
and Air Conditioning Engineers, Inc.
1791 Tullie Circle, N.E.
Atlanta, GA 30329-2305
Telephone: (404) 636-8400
Fax: (404) 321-5478
NFPA National Fire Protection Association
Batterymarch Park
P.O. Box 9101
Quincy, MA 02269-9901
Telephone: (800) 344-3555
Fax: (617) 984-7057
Manual 2100-747A
Page 3 of 8
Wall Sleeve
Model No. Wall Thickness Standard Louver
Depth
IWSRL-B 8" – 13.5" 1"
Shipping Damage
Upon receipt of equipment, the carton should be
checked for external signs of shipping damage. If
damage is found, the receiving party must contact
the last carrier immediately, preferably in writing,
requesting inspection by the carrier’s agent.
General
The IWSRL-B Series Wall Sleeve is designed for use
with the I-TEC Series heat pump. The wall sleeve
assembly consists of a large intake sleeve and a smaller
exhaust sleeve. Both sleeves are telescoping to adjust
for different wall depths. The wall sleeve is designed for
use with 1" to 4" louver depths. As shipped, the sleeve
is ready for 1" louver installation. See Figure 1 (page 4)
and Figure 2 (page 5).
These instructions explain the recommended method
to install the wall sleeve. The equipment covered in
this manual is to be installed by trained service and
installation technicians.
These instructions and any instructions packaged with
any separate equipment required to make the entire
air conditioning system should be carefully read before
beginning the installation.
While intended as a general recommended guide, these
instructions do not supersede any national and/or local
codes in any way. Authorities having jurisdiction should
be consulted before the installation is made.
Unpacking
1. The smaller exhaust sleeve is attached to the
weatherization plate with two (2) screws for
shipping. Remove these screws (throw away) and
set the exhaust sleeve assembly aside.
2. Remove the inner telescoping sleeve (with the
rubber gasket) from larger inlet sleeve and set it
aside.
3. Remove inlet sleeve, with weatherization plate
attached, from the carton and turn over.
4. Remove and save the four (4) screws attaching the
security plate.
I-TEC WALL SLEEVE GENERAL INFORMATION
Manual 2100-747A
Page 4 of 8
MIS-4157 A
I-TEC SLEEVE DIMENSIONS
IWSRL-B OUTER TELESCOPING
SLEEVE
INNER TELESCOPING
SLEEVE
Dimension
3
(
4"
Inside
.156)
44
C
L39.250
TYP.
Dimension
Outside
3"
4
20"
TYP.
.250)
C
L
(
TYP.
( .250)
16
20"
11 "
" TYP.
2
"
32
271
8
1
39 "
Inside
Dimension
1
15
C
L
23
47
1
"
16
4214"
Outside
Dimension
FIGURE 1
IWSRL-B Wall Sleeve Dimensions
Manual 2100-747A
Page 5 of 8
Intake Sleeve
Louver
Air
Exhaust
Exhaust Sleeve
MIS-2931 B
Intake
Air
Air
Intake
Intake
Air
FIGURE 2
I-TEC and Wall Sleeve
Manual 2100-747A
Page 6 of 8
FIGURE 3
Masonry Construction Installation
MIS-4158
ROOM FLOOR LEVEL
48-1/2" MAX.
48" MIN.
43-1/4"" MAX.
42-3/4" MIN.
31" MIN.
34"MAX.
Masonry Construction Walls
The IWSRL-B sleeve is meant to extend to the back of
a recessed wall louver that is fastened directly to the
masonry or brick wall (see Figure 3). The sleeve then
extends to meet the back of the I-TEC unit. Sealant is
used to form a water-tight seal between all sleeve parts.
It is important to note that the louver must have a
means of allowing water to drain out of the sleeve area.
A slope is built into the bottom of the sleeve. The slope
will allow any water that enters the sleeve area to drain
out through the louver.
Unit replacement applications may require user
modication of the IWSRL-B. Modications may
include provisions for water drainage and also the
ability to use existing wall louvers and openings.
Start the sleeve installation process by separating the
two (2) pieces of the outer telescoping sleeve assembly.
The inner portion of the sleeve assembly will not be
used currently and can be set off to the side.
Next, remove the weatherization plate from the outer
telescoping sleeve assembly. The weatherization plate is
attached to the outer sleeve surface that will be ush to
the back of the recessed louver.
Install the sleeve assembly into the wall opening with
the outer sleeve surface located where the back of the
recessed wall louver will be. The outer sleeve surface is
meant to be attached to the back of the recessed wall
louver. Sealant must be used to join the outer sleeve
and the louver to avoid leakage, while allowing water
from the sleeve area to exit through the louver.
Insert the inner portion of the outer sleeve assembly
and extend it to be ½" beyond the inner wall surface.
The foam on the outer telescoping sleeve will be used
to form a seal between the outer telescoping sleeve
assembly and the I-TEC unit.
INSTALLATION
MIS-4158
Manual 2100-747A
Page 7 of 8
MIS-4159
FIGURE 4
Typical Installation
INTERIOR FLOOR
INSIDE WALL
WALL AND SLEEVE
(INSULATED)
AREA BETWEEN
OUTSIDE WALL (SIZE VARIES)
OUTDOOR LOUVER
FILL INSULATION
I-TECUNIT
SLEEVE
MIS-4159
(INSULATED)
DRAIN AREA
INSULATED WITH
6" BATT MATERIAL
NOTE:
If foamed insulation is used, the final location of
the inner sleeve must be determined since the
foam insulation could lock the inner sleeve into
an incorrect location causing either an air leak
between sleeve and back of unit or preventing
the unit from going as tight to the wall or sill as
desired. This must be done before the unit is
placed and before the inner portion of the intake
sleeve is secured with screws to the outer sleeve.
Insulating this space will prevent infiltration of
any unwanted outside air (see Figure 4).
If the I-TEC unit will be drained through the wall, the
drain line must be installed prior to setting the unit.
Information for the drain installation is provided in the
installation manual supplied with the unit.
At this point, the following are options:
1. Install the weatherization plate if the I-TEC unit is
not ready to be installed.
NOTE: The exhaust sleeve attaches to the I-TEC unit.
Store it and any remaining mounting hardware
in a safe location.
2. Proceed with attachment of wall sleeve to I-TEC
unit.
Attachment of Wall Sleeve to I-Tec Unit
Move the unit into place ensuring it is aligned side to
side. Push it back until the side panels are ush with
the wall, or until the sides contact the window sill—if
that is the case. From the outside of the building, push
the inner sleeve inward until the foam gasket contacts
the unit. Attach the sleeve to the rear of the I-TEC using
the twelve (12) ¾" long self-tapping screws supplied
with the sleeve. See Figure 5 on page 8, Ref. B.
Tie the inner and outer sleeves together with the three
(3) ¾" long self-tapping screws on each side (Figure 5,
Ref. A). Apply a bead of caulk to the entire perimeter
seam between the inner and outer sleeves (Figure 5,
Ref. A).
Manual 2100-747A
Page 8 of 8
MIS-4160
C
REF.
REF.
AREF.
B
REF.
D
IMPORTANT!
Use care when inserting screws
to not damage gasketing material.
Doing so may compromise water
seal between unit and sleeve.
IMPORTANT!
Apply Caulk bead to
entire perimeter seam
between inner and
outer sleeve.
(12) 5/16" - 1/2" NON-TAPPING
(18) 5/16" - 3/4" SELF TAPPING
(8) 5/16" - 3/4" NON-TAPPING
A AND B
REF.
D
REF.
REF.
C
to Unit Back
to Attach Inner Sleeve
Self Tapping Screws
Use (12) 3/4" Long
Unit Fan Shroud
Exhaust Sleeve to
Screws to Attach
Use (8) 3/4" Long
Use (6) 3/4" Long
Self Tapping Screws
to Attach Inner Sleeve
to Outer Sleeve
Use (12) 1/2" Long
Screws to Attach
frame to Exhaust
Sleeve
FIGURE 5
Attachment of Wall Sleeve
The exhaust sleeve has three (3) screw slots in each
side ange. Line these up with the screw engagement
holes in the fan panel. Attach using six (6) ¾" long
sheet metal screws supplied with the sleeve (Figure
5, Ref. C). Extend the sleeve out until it is ush with
the louver attachment angles. Lock the sleeve in place
using two (2) ½" long sheet metal screws on each side
by shooting through the slot into a pre-punched hole
(Figure 5, Ref. D).
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Bard IWSRL-B is a wall sleeve designed for use with the I-TEC Series heat pump, providing a secure and efficient way to connect your unit to the outside wall. It features telescoping sleeves for adjustable wall depths and compatibility with louver depths from 1" to 4". The IWSRL-B is built to withstand various wall thicknesses, ranging from 8" to 13.5", and comes with a weatherization plate for a water-tight seal. Installation is made simple with the included mounting hardware, ensuring a seamless integration with your I-TEC unit.
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