Installation
Wall Box Installation
The following instructions are general recommendations for installing wall
Installation in Masonry Walls
A typical method of installing the wall box in a masonry wall opening is
Interior Wall w/ sheetrock
intake boxes. Consult the architectural plans for specific requirements.
Additional materials required to com- plete any specific installations (such as duct connections, metal mounting plates, or flanges) are not furnished by Trane.
For best results, all air intake boxes should be removable from outside of the building. Weep holes must be at the bottom to permit free drainage. A
shown in Figure 1.
Grout the top and bottom of the wall box frame as noted. A sloped water dam located in the space between the unit and wall facilitates moisture drainage. Grouting at the ends of the intake box will complete the seal be- tween the wall box frame and the ma- sonry opening.
Installation in Curtain Walls
Outside Wall
Weep
Holes
Grout
Unit
Rubber
Seals
Floor
positive air and moisture seal should be provided around all edges.
General Instructions
In all cases, the wall intake box should be caulked to provide a tight, weather- proof seal, Figure 2.
Note: A minimum of 2-1/8” of clear-
Water dam sloped toward exterior
Figure 1: Masonry wall installation
Trane wall boxes are illustrated in the dimensional section of this manual. Dimensions are actual, and may be used to define the wall opening.
Vertical louvers in the wall intake box provide extra strength for a high load bearing capacity. The lintel may be omitted on masonry wall installations.
Weep holes are provided in the out- side face of the bottom channel in the wallbox frame. Install all wall boxes to permit free drainage through the weep holes to the outside of the building.
ance must be maintained between the exterior wall and back of the unit. Fail- ure to provide this gap will not allow the wall box to fit properly.
Outside
Wall
Caulking
Flanged wallbox
Interior Wall w/ sheetrock
Unit
Rubber
Seals
All wallboxes are furnished with dia- mond pattern expanded aluminum bird screen.
Note: V1 and V2 (vertical) wall models are all unflanged. H2, V3 and V6 are flanged.
14
Weep
Holes
Water dam sloped toward exterior
Figure 2: Flanged wall box installation in 2" curtain wall
