Trane CAH-SVX01A-EN Benutzerhandbuch

 CAH-SVX01A-EN

9

It is recommended that the curb be 
installed directly on the support 
members and fastened to the 
supports using tack welds or other 
equivalent methods. Properly 
supported decking should be 
installed inside the air handler 
section of the curb when this 
method is used. (See Figure 1)

•

Verify that the roof structure can 
adequately support the 
combined weight of the unit and 
curb assembly.

•

Ensure that the selected 
installation location provides 
sufficient service and operational 
clearances.

•

Remove any twist within the curb 
due to roof supports and square 
the curb.

•

Level the curb.

•

Secure the curb to the roof 
support members.

•

Install 2-inch thick boards or rigid 
insulation around the curb.

•

Install cant strips around the 
curb.

•

Bring field supplied roofing felt 
up to the top of the curb nailing 
strips. ail felt into place.

•

Install field supplied flashing 
under the lip of the curb flanges 
and over the felt.

•

Apply sealant to the four 
corners. Caulk all joints 
between the curb and the 
roof. Attach the gasket 
material to the curb’s top 
flanges (entire perimeter) and 
to the supply and return air 
duct opening panel flanges

.