Reznor ADFH Option - Installation - Roof Curbs Assembly - Manual (Page 12)

Form I-OPT-C, Page 12
1.4 Curbs for Horizontal
Airflow (Options
CJ54 and CJ53) for
MAPS ® Cabinet A,
B, and C WITH an
Energy Recovery
Module (cont'd)
1.0 Roof Curbs for
MAPS ® Cabinets A,
B, C (cont'd)
FIGURE 4D - Install Unit
Curb End ( P ) & Liner
Supports ( 2 Q's )for the
curb section under the
Energy Recovery Modul
P
Q
P
Inside View
(from top)
M
B
G2
L
3/4” Hex Head
Cap Screws with
Lockwashers and
Hex Nuts (8 per corner)
2” Lag Screw and
Lockwasher (2 per corner)
Corner Hardware for attaching “P”:
M
N
B
6. Install end connector ( Code P ) and two liner supports ( Code Q ) ( FIGURE 4D).
a) Position end connector ( Code P ) as illustrated. Attach at both corners with
hardware listed. Attach the "front" with sheetmetal screws.
b) Position the two liner supports ( Code Q ) in the openings and attach with
sheetmetal screws.
Assembly and Installation Instructions (cont'd)
A
B
C
F
M
G2
G1
N
U
R
S
T
(insulation
up)
V
Liner
R
S
U
B
NOTES: Cabinet B -
Insulated duct bottom
( T ) is two-piece; liner
( V ) is one piece.
Cabinet C - Insulated
bottom ( T ) and liner
( V ) are both two pieces.
P
W
X S
R
V
7. Install energy recovery curb section sides, duct bottom and divider, and "tunnel"
cover.
a) Position curb sides ( Codes R & S ) and attach to sides ( B & B) with sheetmetal
screws.
b) Position the duct bottom ( Code T ) in the curb with insulation side up. Align the
holes (push the insulation out of the way) and attach partition to curb sides ( R
& S ). Attach the bottom ( Code T ) to the connector end ( P).
c) Position the bottom liner ( Code V ). Align the holes and attach with sheetmetal
screws.
d) Position the tunnel ( Code U ) over the gap between the unit and energy recovery
curb sections. Attach with sheetmetal screws.
e) Position the vertical, insulated duct divider ( Code W ); attach it to the bottom
liner and the tunnel ( Code U ). Position the liner ( Code X ) over the insulation
and attach.
8. Install the end with duct connections and the duct top (FIGURE 4F)
ID P/N by Cabinet Size
P A&B-261384 C-262425
(2) Q A-262538 B- 262547 C-262428
ID P/N by Cabinet Size
R A&B-262537 C-262427
S A&B-262536 C-262426
T A-262539 B-262548 &
262553
C-261674 &
262429
U A-261993 B-261994 C-260856
V A-262541 B-262550
C-261418 &
262430
W A&B-262543 C-262431
X A&B-262544 C-262432
FIGURE 4E - Install Curb Sides
( R&S ) for supporting Energy
Recovery Module; Duct Bottom
( T ) (see NOTES); Tunnel ( U )
between the unit curb and the
energy recovery curb; Duct
Bottom Liner ( V ); and Duct
Divider and Liner ( W&X )
a) Using sheetmetal screws in the hardware package,
attach the duct flange pieces ( "bundle" Code Y )
to the openings in the end panel ( "large" Code Y ).
Position the end panel with flanges and attach to the
curb sides with corner hardware as shown .
If not using return air in the installation, position the
return air cap ( Y ) over the opening and attach. If a
return air duct will be used, the cap is not needed.
b) Position duct top ( Code Z ) with insulation side up.
Align holes and attach with sheetmetal screws.