Trane UD1A040A9241A Series Installer's Manual page 11

TABLE 5
Cabinet Width Left Side Bottom
14.5 X 1
17.5 X
21 X
24.5 X
1. UC1B060C has 10x7 blower which requires use of alternate filter
clips for left side filter. "K1" and later use the filter rack.
2. Remove bottom front channel to install or reposition filter rack.
X - All Models
OPTIONAL FILTER RACK INSTALLATION FOR SIDE
RETURN AIR ON UPFLOW FURNACES (Left or Right)
If side air return is desired, the following instructions should
be used:
a. Open or remove the blower door.
b. Leave the bottom panel in place. (Some models
require field supplied bottom panels.)
c. After the side cutout is made following the directions
in the "Return Air Duct Connections" section on
pages 8 and 9; compress the filter rack and reinstall
in the side of 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 14, 15, &
17-20.
d. Install the furnace filter on the side. See Figures 14,
15, & 17-20.
u
BOTTOM ENGAGEMENT
Furnace
Cabinet
Side
Engagement Hole
For Filter Rack
Installation With
Bottom Return
i
Engagement Hole
BLOWER
For
Installation With
DECK
Side
Furnace
Cabinet
Side
Filter Rack
Retaining
Screw/Pin
18-CD19D7-22
Right Side
X 2 Use Alternate Filter Clips Only
X X
X X
X X
Filter Rack
Retaining
Screw/Pin
Filter
Rack
Bottom Panel
Furnace
Blower
Filter Rack
Deck
Return
Filter
Rack
Assembly
Installer's Guide
o
SIDE
CUTOUT
RETAINING
PIN
(Both Sides)
SPRINGS
FILTER
RACK
RAILS
Typical Upflow Left Side Return Filter Rack Installation
p
BOTTOM
PANEL
INSTALLED
Typical Upflow Right Side Return Filter Rack Installation
a
Typical Horizontal Filter Installation
BOTTOM
PANEL
INSTALLED
SIDE
CUTOUT
RETAINING
PIN
(Both Sides)
SPRINGS
FILTER
RACK
RAILS
Optional door kit
BAYFLTR206
11