Installation
54 WSHP-SVX01L-EN
Ducted Filter Rack
Dual Filtration (GEH ½-5 ton and EXH 1½-6
ton)
Note: The dual-filtration design is typically used in a free-
return application.
The horizontal, GEH and EXH model, allows the installer
flexibility in design applications such as a dual filtration
option. With the dual filtration design, the unit will contain
a lower static which translates into a decrease in filter
maintenance. For installation of a dual filtration accessory
for the GEH and EXH model, verify that an extra set of
return-air filter racks and filter have been ordered from the
factory. This accessory will be shipped separate from the
unit, and should be located in a separate box than the unit.
1. Remove the return-air side panel from the GEH and
EXH unit. This panel is held in place by screws.
2. Install the top/bottom filter rack at the new opening.
The 1/2 (25.4 mm/50.8 mm) adjustable filter rack is held
in place with four screws that once held the panel.
3. Install the 1/2 (25.4 mm/50.8 mm) filter.
Table 34. Opening size and part number EXH
Unit Size (60
Hz) A B
Duct Collar Part
Number
018-024 20½ in. 16 in. 4474 5628 0100
030-036 22½ in. 17 in. 4474 1135 0100
042-060 26½ in. 19 in. 4474 1136 0100
070 26½ in. 19 in. 4474 1136 0100
When it is necessary
to have filter access at
the unit in a ducted
return, a ducted filter
rack is available. This
option allows access
to the filter at the unit.
Vertical unit filter
racks are available in
right or left access
configurations.
Horizontal units are
available in top,
bottom or side access
configurations.
Table 35. Ducted filter opening size
Unit Size A B C
GEH 006-015 21.1 15.4 5.4
GEH 018-030 24.5 18.4 5.6
GEH 036-042 26.4 19.4 5.5
GEH 048-060 30.7 21.4 5.5
GEV 006-015 20.7 17.1 5.5
GEV 018-040 20.7 23.1 5.5
GEV 036-042 25.7 22.4 4.3
GEV 048-060 30.7 26.6 5.5
EXH 018-030 24.5 18.4 5.6
EXH 036-042 26.4 19.4 5.5
EXH 048-070 30.7 21.4 5.5
EXV 018-030 20.7 23.1 5.5
EXV 036-042 25.7 22.4 4.3
EXV 048-070 30.7 26.6 5.5
Note: All dimensions in inches
Figure 49. Side panel
Figure 50. Install top/bottom filter rack
Figure 51. Install filter
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