Trane Custom Climate Changer Air Handlers User Manual

Page of 60
Installation
 CAH-SVX01A-EN
15
TCP Indoor Roof Section 
Assembly (Typical)
1
Align the walls and join the 
inside angles with number 14 
sheet metal screws on 12-inch 
centers along the length of the 
angles.
2
Apply a bead of caulk along the 
length of the roof seam joint.
3
Apply the 1/8-inch gasket on the 
exterior of the roof evenly across 
the roof split.
Figure 7. TCP indoor roof assembly
SPLIT 
ROOF ASSEMBLY COMPLETE
INDOOR
3" JOINING STRIP
SECURE WITH #10 S.M. SCREWS.
 PREDRILL HOLES
WITH #29 
DRILL BIT.
@ 12" CENTERS
SECURED W/ #14 S.M. SCREWS
(2) 1 1/4"  X  6" GALVANIZED ANGLE
3" X 1/8" THICK GASKET
S.M. SCREWS. 
4" X 1/4" GASKET
SECURE HUB CAP W/#8
4
Before installing the pre-cut 
joining strip over the gasket, pre-
drill holes in the roof using the 
strip as a guide with a number 29 
drill bit at 12-inch centers.
5
Apply the joining strip over the 
gasket and uniformly straddling 
the splits. Secure with #10 sheet 
metal screws.
6
Fit the pre-cut hub cap and 
secure it to the roof with #8 sheet 
metal screws. Fill the end 
openings with caulk as moisture 
seal. Note: Pre drill the screw 
holes with a number 29 bit.