Trane UHMB060ACV3VA Installer's Manual page 12

Installer's Guide
ALTERNATE FILTER RACK INSTALLATION FOR BOT-
TOM RETURN - BAYRACK960
The following checklist should be used when installing a
bottom return filter on an upflow furnace:
a. Remove the filter.
b. Remove the bottom panel.
c. With the filter removed, the filter rack is
compressed and then inserted into the bottom
of the furnace. The retaining screw/pin on
each side inserts into engagement holes at the
bottom of the furnace cabinet side. See Figure
14.
d. Reinstall the furnace filter in the bottom
position by inserting the chamfer end first into
the filter rack. See Figure 19.
ALTERNATE FILTER RACK INSTALLATION FOR SIDE
RETURN AIR ON UPFLOW FURNACES (LEFT OR
RIGHT) - BAYRACK960
NOTE:
The filter rack installation is not allowed for right side
return on the following models: *UHMB060ACV3V,
*UHMB080ACV3V & *UHMC100ACV4V. See Figure 21 for
alternate upflow filter clip/ bracket installation.
The following checklist should be used when installing a
right or left side return filter on an upflow furnace:
a. Remove the filter.
b. Leave the bottom panel in place.
c. Make side cutout by following the directions in
the "Return Air Duct Connections" section on
page 10,
d. Compress the filter rack and reinstall in the side
position on the furnace. Confirm that the upper
retaining pin/screw locks into the engagement
hole in the blower deck and the lower pin/screw
rests against the side of the bottom panel. See
Figures 13, 15-18.
e. Reinstall the furnace filter in the side position by
inserting the chamfer end first into the filter
rack.
r
SIDE ENGAGEMENT
Furnace
Cabinet
Side
Engagement Hole
For Filter Rack
Installation With
Bottom Return
12
t
Engagement Hole
y
RETAINING
(Both Sides)
Typical Upflow Left Side Return Filter Rack Installation
u
Filter
Rack
Filter Rack
Retaining
Screw/Pin
Typical Upflow Right Side Return Filter Rack Installation
BOTTOM ENGAGEMENT
Filter Rack
Retaining
Furnace
Screw/Pin
Cabinet
Side
For Filter Rack
Installation With
Bottom Return
SIDE
CUTOUT
PIN
SPRINGS
FILTER
RACK
RAILS
BOTTOM
FILTER
PANEL
RACK
INSTALLED
RAILS
Filter
Rack
Bottom Panel
BOTTOM
PANEL
INSTALLED
SIDE
CUTOUT
RETAINING
PIN
(Both Sides)
SPRINGS
18-CD30D1-9