Air Handler Installation; Packaging Removal; Mounting Applications; Upflow Installations - Maytag B6BM series Installation Instructions Manual

AIR HANDLER INStALLAtIoN

B6 series air handler's are shipped ready for vertical upflow
installation and are approved for attic, basement, alcove/
closet or crawlspace installation with zero clearance to
combustibles. See Table 1, (page 4)
installation clearances. this appliance is approved only
for indoor use.
• The unit must be leveled at installation and attached to a
properly installed duct system.
• The surface that the air handler is mounted on must provide
sound physical support of the unit.
• The air handler must be installed so that all electrical
components are protected from water.
• If a louvered door is installed across the front of this unit,
the appliance must be mounted flush or behind front edge
of finished wall.
• Always reinstall the doors on the air handler after servicing
or cleaning/changing the filters. Do not operate the air
handler without all doors and covers in place.

Packaging Removal

Remove the shipping crate and User's Manual from the
equipment. When removing the crate, use extra care so
tubing connections are not damaged. Do not pull on the
coils upper tubes.

Mounting Applications

Vertical only air handlers are factory ready for upflow
applications. These units may be applied in downflow
applications when applied with the appropriate field kit.
Factory ready horizontal air handlers may be applied in
upflow or horizontal-left and -right discharge applications.
These units may also be applied in downflow discharge when
applied with the appropriate field kit as specified in the units
Technical Specifications.
Through-the-floor installations require a 1/4" thick
noncombustible resilient gasket to be used whenever the
supply or return air ducts pass through the floor. The gasket
should be positioned between the duct, unit, and floor.

upflow Installations

All air handlers are factory shipped, ready for upflow
installation. The horizontal drain pan may be removed from the
air handler when installing the unit in an upflow configuration.
All return air must enter from the bottom of the unit. A typical
upflow unit is shown in Figure

Downflow Installations

The downflow accessory kit (See Technical Specifications)
is required for downflow applications. Instructions for
installing the downflow accessory kit are included with the
kit. It is recommended that the accessory be installed prior
to installing the unit. All return air in downflow applications
must enter through the top of the unit. A typical installation
of the unit in a downflow application is shown in

Horizontal Installations

The B6 Series air handler can be installed horizontally in
an attic, basement, crawl space or alcove. It can also be
suspended from a ceiling in a basement or utility room in
either a right to left airflow or left to right airflow as shown in
Figure 3. Air handlers may or may not be shipped from the
factory with all the parts required for horizontal left applications
and horizontal right applications. If your unit does not have
parts for a horizontal application, a kit may be available.
NotE: In all horizontal applications in which the unit is
installed above a finished ceiling and/or living space, a
secondary drain pan must be installed under the entire unit
6
for required
1.
Figure
Horizontal
Drain Pan
Figure 1.
Tube
Close-off
Plate
Coil
Figure 2.
RETURN
AIR
Figure 3.
2.
unit Horizontally Suspended
Figure 4.
Return
Air
upflow Installation
Cabinet
Adaptor Kit
Downflow Installation
HORIZONTAL RIGHT
HORIZONTAL LEFT
Horizontal configurations
Nuts (x2)
Washer
and
Lockwasher
Threaded
Rod
Nuts (x2)
RETURN
AIR
Lag
Bolt