Installer’s Guide

RETURN AIR FILTERS FOR UPFLOW FURNACE IN HORIZONTAL CONFIGURATION

When the Upflow Furnace is installed in a horizontal configu- ration, the filter must never be installed inside or outside the cabinet directly above the blower assembly. See Figure 11 (page 9). Remote filter grilles may be used for homeowner convenience or the filters may be installed in the duct work upstream of the furnace. See Figures 11 (page 9) and 21 (page 11).

ALTERNATE UPFLOW

FILTER CLIP / BRACKET INSTALLATION - KIT09224

1.Determine the location to be used. The furnace cabinet has dimples for location of the alternate furnace clips (Side return only). Pre-drill clearance holes with a 3/16" drill. Bottom return holes are pre-drilled.

2.Install the clips in front and rear of the desired location using the screws provided. The filter clip with the leaf spring mounts in the rear of the cabinet. See Figure 22.

s

REAR

SIDE

-

OUT

CUT

 

ALTERNATE FILTER

CLIPS LOCATION

Optional horizontal filter conversion kits are BAYFLTR203 for 17 1/2" width cabinets, BAYFLTR204 for 21" width cabinets, and BAYFLTR205 for 24" width cabinets. These include filters and brackets necessary for horizontal filters. In addition, optional door kit BAYFLTR206 is also available. See Figures 21 and 24.

INSTALLING THE OPTIONAL FILTER

The filter may need to be cut to fit the unit depending on the location of the return air filter.

A score line and the words “CUT HERE” are located on the end of the filter. If your application requires cutting the filter, do so as indicted by the score mark.

TABLE 6

UNIT

RETURN AIR

 

 

SIZE

BOTTOM

SIDE

 

 

 

14-1/2"

CUT ON LINE

DO NOT CUT

 

 

 

17-1/2"

DO NOT CUT

DO NOT CUT

 

 

 

21"

DO NOT CUT

CUT ON LINE

 

 

 

24-1/2"

DO NOT CUT

CUT ON LINE

 

 

 

TYPICAL DOWNFLOW FURNACE

RETURN AIR FILTER INSTALLATIONS

di

Airflow

f

Airflow

Optional door kit

BAYFLTR206

Two high velocity type air filters are required for each down- flow furnace. Downflow furnace filters must be located outside the furnace cabinet. Typical installations are shown in Figures 23 and 24. Tables 7 and 8 (page 13) provide information for installation of the filter retaining brackets shipped with downflow furnaces.

TABLE 7

CABINET

FILTER

FILTER BRACKET

WIDTH

SIZE

LOCATION *

 

 

 

14-1/2"

2 - 14X20X1

12-7/8"

17-1/2"

2 - 16X20X1

14-3/8"

21"

2 - 16X20X1

13-1/8"

24-1/2"

2 - 16X20X1

11-5/8"

* Location dimension is from end of duct to the screw holes for the bracket.

TABLE 8

CABINET

RETURN

FILTER ACCESS

FILTER ACCESS

DUCT

OPENING -

OPENING -

WIDTH

WIDTH

DIMENSION "A"

DIMENSION "B"

 

 

 

 

 

14-1/2"

13-1/4"

12"

14"

17-1/2"

16-1/4"

15"

14"

21"

19-3/4"

19-1/2"

14"

24-1/2"

23-1/4"

22"

14"

14

18-CD19D6-32

Page 13 Page 15
Page 14
Image 14
Trane UX1D100A9601A, UX1C100A9481A, UX1C080A9601A manual Unit Return AIR Size Bottom Side, Installing the Optional Filter
Page 13 Page 15

UX1D100A9601A, DX1B060A9361A, UX1D120A9601A, DX1B080A9421A, DX1B040A9241A specifications

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