2 roof curb for maps, Iii&iv a, b, & c cabinet with vertical, Option er1a, er1b, er1c (roof curb option cj34) – Reznor ADFH Option - Installation - Roof Curbs Assembly User Manual
Page 5: Apply sealant tape to tops of all curb rails, Curb must be level

Form I-OPT-C, P/N 132900 R17, Page 5
Weights by Cabinet Size*
- Downflow Roof Curb
Option CJ31
* See chart on page 2 for cross-
reference by Model Size or Model
and Heat Size to Cabinet Size.
Option CJ31
Roof Curb
Weight
Cabinet Size *
A
B
C
lbs
93
105
235
kg
42
48
107
Cabinet
Size*
RECB, RECC Model
Size *
REDB, REDC Model Size *
* Electric
Heat Size
Illustration Codes - FIGURE 1C
A
B
C
D
E
F
G
H
J
K
L
M
Curb Dimensions for Cooling/Electric Heat Makeup Air Model RECB, RECC, REDB, REDC by Cabinet Size and Model Size - inches (±1/8)
A
060, 078, 090, 118, 120, 136 084, 102, 114, 142, 144, 162
All
available
N/A
N/A
24
12
24
12
38-5/8 13-1/4 17-1/2 12-7/8 72-3/4 12-1/4
B
078, 090, 118, 120, 136, 160,
186, 200
084, 102, 114, 142, 144, 162, 184,
196, 210, 222, 224, 236, 257
N/A
N/A
36
12
36
12
53-5/8 13-1/4 17-1/2 12-7/8 72-3/4 12-1/4
C
190, 216, 298, 410
248, 262, 272, 288, 354, 370,
468, 482
10-3/4 49-1/2
47
18
45
15
65-1/8 20-1/4 24-3/4 17-7/8 101-5/8 13-1/4
Curb Dimensions for Cooling/Electric Heat Makeup Air Model RECB, RECC, REDB, REDC by Cabinet Size and Model Size - mm (±3)
A
060, 078, 090, 118, 120, 136 084, 102, 114, 142, 144, 162
All
available
N/A
N/A
610
305
610
305
981
337
445
327
1848
311
B
078, 090, 118, 120, 136, 160,
186, 200
084, 102, 114, 142, 144, 162, 184,
196, 210, 222, 224, 236, 257
N/A
N/A
914
305
914
305
1362
337
445
327
1848
311
C
190, 216, 298, 410
248, 262, 272, 288, 354, 370,
468, 482
273
1257 1194
457
1143 381
1654
514
629
454
2581
337
1.2 Roof Curb for MAPS
®
III&IV A, B, and C Cabinet with Vertical (Down) Airflow WITH an Optional
Energy Recovery Module, Option ER1A, ER1B, ER1C (Roof Curb Option CJ34)
Roof Curb P/N by Model/Size
See Model
Size / Cabinet
Size Cross
Reference on
page 2.
Cabinet A
Cabinet B
Cabinet C
RCB/RCC/RDB/RDC w/Option ER1
-
All Cabinet A
-
-
All Cabinet B 190, 216, 248,
262, 272, 288
-
298, 410, 354,
370, 468, 482
-
RDCB/RDCC/RDDB/RDDC w/Opt ER1
100
150
200
250
300
400
500
600
700
RECB/REDB/RECC/REDC w/Opt ER1
-
All Cabinet A
-
-
All Cabinet B
-
-
All Cabinet C
-
Roof Curb (Option CJ34) Package P/N
262478
262479
262480 262481
262482
262483
262484
262485
262486
Code (FIGURE 2A) Component Description:
Qty
Component P/N's
A
Curb Ends (unit & ER end)
2
204486
204487
208799
B
Curb Sides (under unit)
2
204485
208798
C1
Supply Air Duct End
1
204431
204432
207961
207960
207959
207958
C2
Supply Air Duct End
1
204431
204432
207965
207964
207963
207962
D1
Supply Air Duct Side
1
204433
204434
204436 204435
204437
207967
D2
Supply Air Duct Side
1
204433
204434
204436 204435
204437
207967
207971
E
Return Duct End
1
204438
204439
207966
F
Return Duct Side
1
204440
204441
207974
G
Return Duct Side Angle
1
204444
207973
H
Return Duct Rear Angle
1
204442
204443
207972
J
Curb End (unit end in center)
1
261995
261996
260855
K
Tunnel (between unit & ER)
1
261993
261994
260856
L
Right Curb Side (under ER)
1
262411
262418
M
Left Curb Side (under ER)
1
262412
262419
A
B
B
C1
C2
D2
E
F
G
H
D1
A
J
K
L
M
(2 per each corner)
1” Lag Screw and
Lockwasher
(2 per each corner)
3/4” Hex Head
Cap Screws with
Lockwashers & Nuts
Curb Section for
Energy Recovery
Module
Curb Section for
MAPS Unit
FIGURE 2A - Option CJ34 Roof Curb Components and
Layout for MAPS
®
Cabinets A, B, and C with
Energy Recovery Option ER1
NOTES:
•
Curbs in Section 1.2 apply to a MAPS
®
unit with an optional energy recovery module. For downflow curb without an
energy recovery module (Option CJ31), go to Section 1.1, page 2.
•
All curbs include corner hardware as listed on page 6 and screws for attaching duct pieces.
•
Integral ducts are designed so that ductwork may be either inserted down from the top or attached from the bottom.
•
Apply sealant tape to tops of supply air "dividers" (C & D) that mate with the blower or heat exchanger opening.
•
Apply sealant tape to tops of return air "dividers" (E, F, G, & H).
•
Apply sealant tape to tops of all curb rails.
•
Curb MUST be level.
- 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