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IM 926-3 • ROOFPAK APPLIED SYSTEMS 20 www.DaikinApplied.com
Mechanical Installation
RPS/RDT Assembly instructions
1. Set curbing parts A through K per dimensions shown
over roof opening or on a level surface (see
Note location of return and supply air openings.
2.
If applicable, set other curbing parts (D, L, M, etc.) in
place making sure that the orientation complies with the
assembly instructions (see Detail A). Check alignment of
all mating bolt holes.
3.
Bolt curbing parts together using fasteners provided.
Tighten all bolts finger tight.
4.
Square entire curbing assembly and securely tighten all
bolts.
5.
Position curb assembly over roof openings. Curb must
be level from side to side and over its length. Check that
top surface of the curb is flat with no bowing or sagging.
6. Weld curbing in place. Caulk all seams watertight.
Remove backing from 0.25" (6 mm) thick × 1.50" (38
mm) wide gasketing and apply to surfaces shown by
cross-hatching.
7.
Flash curbing into roof as shown in Detail B.
8. Parts E and F are not required on units with no return
shaft within the curb perimeter.
9.
Parts G and H are not required on units with no supply
shaft within the curb perimeter.
10.
Be sure that electrical connections are coordinated (see
Figure 29: RPS/RFS Roof Curb Assembly
Table 6: Roof Curb Assembly Dimensions
Unit size
Fan
“X”
“Y”
“XX”
“YY”
Unit size
“Z”
“W”
in . (mm)
in . (mm)
in . (mm)
in . (mm)
in . (mm)
in (mm)
015–040C
None
24.0 (610)
82.0 (2083)
6.8 (173)
1.5 (38)
015C–030C
45.9 (1165)
20.0 (508)
15" FC (2)
24.0 (610)
82.0 (2083)
6.8 (173)
1.5 (38)
036C and 040C
94.0 (2388)
20.0 (508)
30" AF
30.0 (762)
76.0 (1930)
6.8 (173)
4.5 (114)
045C–075C
77.0 (1956)
28.0 (712)
40" AF
36.0 (914)
78.0 (1981)
14.8 (376)
3.5 (89)
80C–90C
113 (2870)
38.0 (965)
045C–075C
All units
38.0 (965)
87.0 (2210)
8.8 (222)
3.5 (89)
105C
113 (2870)
46.0 (1168)
80C–135C
All units
62.0 () 1575
87.0 (2210)
8.8 (222)
3.5 (89)
Note:
These dimensions do not apply to units with energy recovery wheels.
Equal Length
Side Supports
L
Using remaining side supports
in this area, align lengths on
opposite sides of assembly
and install a cross support
X
D at each side.
D
M
L
M
D
Return
Air
F
B
F
E
Inside
Inside
85"
62.8"
A
B
E
X
D
See Detail A
38.8"
C
G
G
C
H
H
A
K
76"
Inside
6.8"
1.5"
7.5"
2"
Condenser
Section Support
Supply
Air
Detail B
1
2
8
9
6
4
7
9
3
9
5
4
Condenser
section
support
(RPS only)
Note: Height of perimeter curb and
condensing section support are not equal.
Main
5
9
4
3
7
2
1
8
6
1. Unit Base
2. Curb Gasketing
3. 2 x 4 Nailer Strip
4. Galvanized Curb
5. Cant Strip (not furnished)
6. Roofing Material (not furnished)
7. Rigid Insulation (not furnished)
8. Counterflashing (not furnished)
9. Flashing (not furnished)
W
inside
Y
unit curb
Detail C
Y
X
Z
Z
Summary of Contents for RoofPak RCS Series
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