Reznor RECC Unit Installation Manual - Manual (Page 20)

Form I-MAPSIII&IV, Page 20
Assembly and Installation Instructions for Option CJ54 & CJ53, Curbs
with Energy Recovery Module (cont'd)
FIGURE 10A - Assemble Curb End ( A ), Curb Sides ( B&B ), Supply Duct End ( C ), Insulated Bottom
( D ) Bottom Liner ( E )
and Baffle ( F )
FIGURE 10B - Install
Duct Partitions G1
and G2
Insulation NOTE: There is no
exposed insulation in the ducts.
All insulation in airflow paths is
covered with a liner.
FIGURE 10C - Install Smaller Duct Partitions, Liners, and Tops
5.0 Mounting
(cont'd)
5.4.2.2 Roof Curbs for Horizontal Airflow (Options CJ54 & CJ53) for
Cabinets A, B, and C WITH an Energy Recovery Module (cont'd)
5.4.2 Roof Curbs for
Horizontal Airflow
- Cabinets A, B, C
(cont'd)
A
B
B
C
D
E
B
B
D
A
C
(8 per corner) 3/4” Hex Head Cap Screws
with Lockwashers and Hex Nuts
2” Lag Screw
& Lockwasher
(1 per corner)
NOTE: Cabinet C - insulated bottom (D) and
liner (E) are both two pieces.
(insulation up)
(liner)
F
4. Install supply air duct partition ( Code G1 ) and
return air duct partition ( Code G2 ) with sheet-
metal screws ( FIGURE 10B).
a) Position partition ( Code G1 ) in the orientation
illustrated. Align the holes and attach the
partition to curb sides ( B & B) and bottom liner
( E).
b) Position partition ( Code G2 ) in the orientation
illustrated. Align the holes and attach the
partition to curb sides ( B & B) and bottom liner
( E).
A
B
B
C
E
G1
G2
F
K
J
H
L
B B
G2
E
G1
M
N
(Insulation
side up)
B
G2
B
L
E
A
C
G1
K
F
5. Install supply air and return air
insulated duct dividers ( Codes H
& J ) ; divider liners ( Codes K & L );
and duct tops ( Codes M & N ) using
sheetmetal screws ( FIGURE 10C).
a) Position and attach duct dividers
( Codes H & J ) as illustrated.
Cover the insulation with liners
( Codes K & L ) and attach with
screws.
b) Position tops ( Codes M & N )
with insulation side up. Align
the holes (push the insulation
out of the way) and attach the
perimeter.
Hardware Bag includes:
P/N Description Qty
1035 Nut 5/16" Hex-18 Thread 48
1333 Lockwasher 5/16 In. 60
16243 Hex Hd Lag Bolt 5/16" x
1-1/4"
12
16247 Cap Screw 5/16 x 3/4" 48
11813 S/M Screw #10-16x1/2 Ab
Stalgd
210
66302 1-1/4 x 1/4 x 50 ft Sealant Tape
ID P/N by Cabinet Size
A A-261653 B-261654 C-261670
B A&B-261655 C-261671
C A-261658 B-261659 C-261673
D A-261660 B-261661 C-261674
& 261428
E A-261394 B-261395 C-261418
& 261429
F A-268604 B-268605 C-268606
ID P/N by Cabinet Size
G1 A-261396 B-261663 C-261419
G2 A-261662 B-261663 C-261675
ID P/N by Cabinet Size
H A&B - 261666 C-261677
J A-261667 B-261668 C-261678
K A-261408 B-261409 C-261426
ID P/N by Cabinet Size
L A&B-261405 C-261424
M A-261664 B-261665 C-261676
N A&B-261669 C-261679
3. Install supply duct end ( Code C ) and bottom ( Codes D & E ).
a) Position the solid partition ( Code C ) with insulation side toward the solid end of
the curb. Align the holes (push the insulation out of the way) and attach partition
to curb sides ( B & B).
b) Position the duct bottom ( Code D ) in the curb with insulation side up. Align the
holes (push the insulation out of the way) and attach partition to curb sides ( B &
B). Attach the bottom ( Code D ) to the partition ( C).
c) Position the bottom liner ( Code E ) over the insulation in the bottom of the curb.
Align the holes and attach around the perimeter.
d) Position the air baffle ( Code F ) against the partition ( C). Align the holes and
attach. Align the air baffle with the holes in the bottom liner ( E) and attach.