Reznor ADFH Option - Installation - Roof Curbs Assembly - Manual (Page 26)

Form I-OPT-C, Page 26
*Illustration shown is with an Option AQ5 or AQ8 downturn
plenum. The system can have a variety of configurations which
affect installation:
• If the system does not have a downturn plenum, the discharge
is horizontal.
• Downturn plenum Options AQ5 and AQ8 (illustrated) are
factory installed as part of the system.
• If the system has an Option AU2 or AU3 cooling coil cabinet,
the discharge is horizontal. Options AU2 and AU3 are not
factory installed. Options AU2 and AU3 must be lifted to the
roof separately from the packaged system, set on the roof
curb, and attached to the system.
• If the system has an Option AU11, AU12, AU13, AU14
cooling coil cabinet, there is a downturn plenum with vertical
discharge. Options AU11, AU12, AU13, and AU14 are not
factory installed. Options AU11, AU12, AU13, and AU14 must
be lifted to the roof separately from the packaged system, set
on the roof curb, and attached to the system.
Blower
Section
Furnace
Optional Downturn
Plenum Cabinet*
Curb
Cap
Roof
Curb
Return
Duct
Suppl
y Duct
Lift
Hole
(all
corners)
1-1/2
(38)
16 (406)
E
F
A
B
C
D
DIMENSIONS
IMPORTANT: If roof is constructed
of combustible materials, the area
within the curb must be either ven-
tilated, left open, or covered with
non-combustible material which
has an "R" value of at least 5.0.
If the area within the curb is left
open, higher radiated sound levels
may result.
FIGURE 9 - Dimensions -
inches (mm)
5.0 Roof Curbs for Model Series ADF, ADFH; RPB, RPBL, RPDBL; and Blower Cabinet
Model RBL (cont'd)
5.2 Roof Curb Packages for Model Series RPB and RPBL and Blower Cabinet Model RBL (cont'd) -
Follow the roof curb installation instructions in Paragraph 5.1.
1-5/8”
(41mm)
1-5/8”
(41mm)
1-5/8” (41mm)
1-5/8”
(41mm)
1-5/8” (41mm)
1-5/8”
(41mm)
19-1/2”
(495mm)
H H
G
Return
Duct
Supply
Duct
1-5/8”
(41mm)
1-5/8”
(41mm)
19-1/2”
(495mm)
Roof Curb (Width of the top of
the curb rails is 1-7/8”/48mm)
NOTE: The 1-5/8" (41mm) measurements are from the duct opening
on the unit to the inside edge of the Reznor ® Roof Curb. When
cutting duct openings, cut opening 1" larger than duct size to allow
clearance for installation.
COMPONENTS of Roof Curb Packages (cont'd)
Roof Curb
Option
RPBL
Pkg
P/N
Curb Side
Assy
Curb Front &
Back Assy
CJ4 - with
cooling coil
cabinet AU2 or
AU3
400 174102
(2)104649
(2)104657
(2)172867
500,
600
174103
(2)104649
(2)104655
(2)172868
700 174104
(2)104649
(2)104656
(2)172869
800 174105
(2)104649
(2)104657
(2)172870
1050 174106
(2)104649
(2)104656
(2)172871
1200 174107
(2)104649
(2)104657
(2)172872
Roof Curb
Option
RPBL
Pkg
P/N
Curb Side
Assy
Curb Front &
Back Assy
CJ5 - with
cooling coil
cabinet AU11,
AU12, AU13
or AU14 with
downturn
plenum
400 174108
(2)104649
(2)104657
(2)172879
500,
600
174109
(2)104649
(2)104655
(2)172880
700 174110
(2)104649
(2)104656
(2)172881
800 174111
(2)104649
(2)104657
(2)172882
1050 174112
(2)173606
(2)104656
(2)172883
1200 174113
(2)173606
(2)104657
(2)172884