For maps, Iii&iv cabinets a, b, and c with an energy, Recovery module – Reznor ADFH Option - Installation - Roof Curbs Assembly User Manual
Page 10: 0 roof curbs for maps, Cabinets a, b, c (cont'd), Caution

Form I-OPT-C, Page 10
1.3 Curbs for Horizontal Airflow (CJ49 and CJ50) (cont'd)
1.0 Roof Curbs for
MAPS
®
Cabinets
A, B, C (cont'd)
FIGURE 3F - Dimensions and Airflow - Options CJ49 and CJ50 for
MAPS
®
Cabinets A, B, and C without an Energy Recovery Module
Dimensions and Weight
R
S
T U
V
W
X
Y
TOP
VIEW
SIDE
VIEW
Supply
Duct
Supply
Duct
Return Air
Duct
R
10-3/16
(259)
*Return air is optional. Curb includes a
cap on the return air duct inlet opening.
If optional return air is being used,
remove the return air cap to
attach ductwork. If return
air is not being used,
do not remove the cap.
Supply Duct
Return
Air Duct
*Att
ach
Return
Duct
Att
ach
Supply
Duct
Airflow
Option CJ50 or CJ49
Horizont
al Flow
Roof Curb for MAPS III&IV Models
Return
Air
Cap*
Airflow
Option CJ54 is a 32" (813mm) high horizontal airflow curb for MAPS
®
III&IV Cabinet
Sizes A and B. Option CJ53 is a 36" (914mm) high horizontal airflow curb for MAPS
®
III&IV Cabinet Size C. Verify all the components and be sure that the curb is correct for
the system being installed.
1.4 Roof Curbs for
Horizontal Airflow
(Options CJ54 and
CJ53) for MAPS
®
III&IV Cabinets A,
B, and C WITH an
Energy Recovery
Module
Components and
Application
Roof Curb P/N's by Model & Cabinet Size *
Cabinet A
Cabinet B
Cabinet C
Models RCB/RCC/RDB/RDC
*All Sizes
*All Sizes
*All Sizes
Models RDCB/RDCC/RDDB/RDDC with
Cabinet & Gas Heat Size Combination
With Gas Heat
Sizes 100/150/200
With Gas Heat
Sizes 250/300
With Gas Heat Sizes
400/500/600/700/1000
Models RECB/RECC/REDB/REDC
*All Sizes
*All Sizes
*All Sizes
ID on
Part
Roof Curb Package P/N (Option)
262533 (CJ54)
262534 (CJ54)
262535 (CJ53)
Component Description:
Qty
Component P/N's
A
Curb End Assembly (solid w/insulation)
1
261653
261654
261670
B
Curb Side Assembly (insulated)
2
261655
261671
C
Supply Duct End (solid insulated partition) 1
261658
261659
261673
D
Supply Duct Bottom (insulated) (** 2 pcs) **1
261660
261661
** 261674 & 261428
E
Supply Air Duct Bottom Liner (** 2 pcs)
**1
261394
261395
** 261418 & 261429
F
Air Baffle ("curve" in the supply duct)
1
268604
268605
268606
G1
Supply Air Duct Center Divider
1
261396
261663
261419
G2
Return Air Duct Partition Assembly
1
261662
261663
261675
H
Vertical Divider (lower part) between
Supply and Return Air Ducts
1
261666
261677
J
Divider (upper part) between Supply and
Return Air Ducts
1
261667
261668
261678
K
Duct Divider Top Liner
1
261408
261409
261426
L
Duct Divider Bottom Liner
1
261405
261424
M
Supply Air Duct Large Top (insulated)
1
261664
261665
261676
N
Supply Air Duct Small Top (insulated)
1
261669
261679
P
Horizontal Curb End Connector to ER
1
261384
262425
Q
Liner Support
2
262538
262547
262428
R
Right Curb Side Assy (under ER Module)
1
262537
262427
S
Left Curb Side Assy (under ER Module)
1
262536
262426
T
Duct Bottom Assembly (insulated) (under
ER Module) (** 2 pieces)
**1
262539
** 262548 & 262553 ** 261674 & 262429
U
Curb Tunnel (between unit & ER)
1
261993
261994
260856
V
Bottom Duct Liner (under ER) (** 2 pcs)
**1
262541
262550
** 261418 & 262430
W
Vertical Duct Divider (insulated)
1
262543
262431
X
Vertical Return Air Duct Liner
1
262544
262432
3 Y's
Curb End Assembly (insulated)
1
261656
261657
261672
Duct Flanges (4pcs in one bundle)
4
261386
261387
261414
Return Air Cap (not used with return air)
1
261388
261389
261415
Z
Duct Top Assembly (insulated)
1
262545
** 262552 & 262556 ** 261676 & 262435
Hardware Bag
1
(see content list, page 11)
*See Model Size / Cabinet Size Cross Reference on page 2. ** Curb part is two-piece; one of each P/N is required.
Cabinet
R
S
T
U
V
W
X
Y
Wt
A*
inches
15
2-5/16 34-13/16 38-5/8
18
32
69
72-3/4 353 lbs
mm
381
59
884
981
457 813 1753
1848
160 kg
B*
inches
22-1/2 2-5/16 49-13/16 53-5/8
18
32
69
72-3/4 434 lbs
mm
572
59
1265
1362
457 813 1753
1848
197 kg
C*
inches
28-1/4 2-5/8
61-5/16
65-1/8
22
36 97-7/8 101-5/8 654 lbs
mm
718
67
1557
1654
559 914 2486
2581
297 kg
*See Model Size / Cabinet Size Cross Reference on page 2.
CAUTION:
•
Before installation,
recheck to be sure that
the correct curb has been
ordered. Be sure that the
curb selected matches
the unit ordered. Verify
the dimensions of the
curb received with the
dimensions on page 13.
NOTE: Horizontal curbs
in Section 1.4 do not
apply to a MAPS
®
unit
without an optional
energy recovery module.
For a MAPS
®
unit without
an energy recovery mod-
ule, see Section 1.3.
•
Verify components
received with those
listed. Each part is
labeled with an ID
letter and a P/N.
- RCB Option - Installation - Roof Curbs Assembly RDB Option - Installation - Roof Curbs Assembly RDC Option - Installation - Roof Curbs Assembly RDCB Option - Installation - Roof Curbs Assembly RDCC Option - Installation - Roof Curbs Assembly RDDB Option - Installation - Roof Curbs Assembly RCC Option - Installation - Roof Curbs Assembly RDDC Option - Installation - Roof Curbs Assembly RECB Option - Installation - Roof Curbs Assembly RECC Option - Installation - Roof Curbs Assembly REDB Option - Installation - Roof Curbs Assembly REDC Option - Installation - Roof Curbs Assembly RDF Option - Installation - Roof Curbs Assembly RDH Option - Installation - Roof Curbs Assembly REH Option - Installation - Roof Curbs Assembly RHH Option - Installation - Roof Curbs Assembly RXH Option - Installation - Roof Curbs Assembly RPB Option - Installation - Roof Curbs Assembly RPBL Option - Installation - Roof Curbs Assembly RPDBL Option - Installation - Roof Curbs Assembly YDSA Option - Installation - Roof Curbs Assembly YDMA Option - Installation - Roof Curbs Assembly YDHA Option - Installation - Roof Curbs Assembly RBL Option - Installation - Roof Curbs Assembly ADF Option - Installation - Roof Curbs Assembly