Trane GRCA - Page 14

Figure 18 - Supply Air Ductwork Mounting Bracket Assembly
Figure 17 - Return Air Ductwork Mounting Bracket Assembly
Ductwork Connections
1 Curb Cross Brace Channel
2 Curb Side Rail Channel
3 Curb End Rail Channel
4
Screw—#10 x 5/8" LG. Pan
Hd. Type “AB” (8) Req’d.
1 Roof Mounting Angle
2 Curb End Rail Channel
3
Screw—#10 x 5/8" LG. Pan Hd.
Type “AB” (8) Req’d.
4 Fasteners by Others (“B”) Req’d
RA* Capacity A+
C, E 10 thru 40
18-7/8
(479)
C, E 50 thru 80
19-3/8
(492)
J
L
12
50 thru 80
18-7/8
(479)
J 20 thru 40
19-1/8
(486)
J
L
50 thru 80
10 thru 40
19-1/4
(489)
Notes:
RA* = Rooftop Arrangement
+ Dimensions are in inches.
(Dimensions in parenthesis are in
millimeters.)
1 lb. = 0.453 kg
NA = Not Applicable
14 GRAA-IN-1