Form I-MAPSIII&IV, Page 16
Cabinet
Size
RCB/RCC Model Size RDB/RDC Model Size
Codes - FIG 8C
X Y
Outside Curb Dimensions for Cooling Models RCB/RCC/RDB/RDC with Energy Recovery
Module by Cabinet Size, Model Size - inches (±1/8)
A
060, 078, 090, 118, 120, 136 084, 102, 114, 142, 144, 162 38-5/8 136-3/4
B
160, 186, 200 184, 196, 210, 222, 224, 236, 257 53-5/8 136-3/4
C
190, 216 248, 262, 272, 288 65-1/8 171-5/8
298, 410 354, 370, 468, 482 65-1/8 171-5/8
Outside Curb Dimensions for Cooling Models RCB/RCC/RDB/RDC with Energy Recovery
Module by Cabinet Size, Model Size - mm (±3)
A
060, 078, 090, 118, 120, 136 084, 102, 114, 142, 144, 162 981 3473
B
160, 186, 200 184, 196, 210, 222, 224, 236, 257 1362 3473
C
190, 216 248, 262, 272, 288 1654 4359
298, 410 354, 370, 468, 482 1654 4359
Cabinet
Size *
RDCB/RDCC
Model Size*
RDDB/RDDC Model Size*
Gas Heat
Size *
Codes - FIG 8C
X Y
Curb Dimensions for Cooling/Gas Heat Makeup Air Model RDCB, RDCC, RDDB, RDDC with
Energy Recovery Module by Cabinet Size and Model Size - inches (±1/8)
A
060, 078, 090, 118,
120, 136
084, 102, 114, 142 100 38-5/8 136-3/4
084, 102, 114, 142, 144, 162
150 38-5/8 136-3/4
200 38-5/8 136-3/4
B
078, 090, 118, 120,
136, 160, 186, 200
102, 114, 142, 144, 162, 184,
196, 210, 222, 224, 236, 257
250 53-5/8 136-3/4
300 53-5/8 136-3/4
C
190, 216, 298, 410
248, 262, 272, 284, 354, 370,
468, 482
400 65-1/8 171-5/8
500 65-1/8 171-5/8
600 65-1/8 171-5/8
700 65-1/8 171-5/8
Curb Dimensions for Cooling/Gas Heat Makeup Air Model RDCB, RDCC, RDDB, RDDC with
Energy Recovery Module by Cabinet Size and Model Size - mm (±3)
A
060, 078, 090, 118,
120, 136
084, 102, 114, 142 100 981 3473
084, 102, 114, 142, 144, 162
150 981 3473
200 981 3473
B
078, 090, 118, 120,
136, 160, 186, 200
102, 114, 142, 144, 162, 184,
196, 210, 222, 224, 236, 257
250 1362 3473
300 1362 3473
C
190, 216, 298, 410
248, 262, 272, 284, 354, 370,
468, 482
400 1654 4359
500 1654 4359
600 1654 4359
700 1654 4359
Cabinet
Size*
RECB/RECC
Model Size *
REDB/REDC Model
Size *
* Electric
Heat Size
Codes - FIGURE 8C
X Y
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
38-5/8 136-3/4
B
078, 090, 118, 120,
136, 160, 186, 200
084, 102, 114, 142, 144,
162, 184, 196, 210, 222,
224, 236, 257
53-5/8 136-3/4
C
190, 216, 298,
410
248, 262, 272, 288,
354, 370, 468, 482
65-1/8 171-5/8
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
981 3473
B
078, 090, 118, 120,
136, 160, 186, 200
084, 102, 114, 142, 144,
162, 184, 196, 210, 222,
224, 236, 257
1362 3473
C
190, 216, 298,
410
248, 262, 272, 288,
354, 370, 468, 482
1654 4359
5.4.1.2 Roof Curb Option CJ34 for MAPS
®
III&IV, Cabinets A, B, & C with ER Module (cont'd)
5.4 Mounting on a Roof Curb (cont'd)
5.0 Mounting
(cont'd)
5.4.1 Downow Roof Curbs for MAPS
®
III Cabinets A, B, C (cont'd)
Option CJ50 is a 32" (813mm) high horizontal airow curb for MAPS
®
III&IV, Cabinet
Sizes A and B. Option CJ49 is a 36" (914mm) high horizontal airow curb for MAPS
®
III
&IV, Cabinet Size C.
Option CJ54 is a 32" (813mm) high horizontal airow curb for MAPS
®
III&IV, Cabinet
Sizes A and B with an energy recovery module. Option CJ53 is a 36" (914mm) high
horizontal airow curb for MAPS
®
III&IV, Size C with an energy recovery module.
Verify all the components and be sure that the curb is correct for the system being
installed.
5.4.2 Roof Curbs for
Horizontal Airow
(Options CJ49, CJ50,
CJ53, and CJ54) -
Cabinets A, B, and C
NOTE: Horizontal ow curbs
in this section do not apply
to a MAPS
®
unit with an
optional energy recovery
module. For a horizontal
airow curb for a MAPS
®
unit with an energy recovery
module (Option ER1), go to
Paragraph 5.4.2.2 page 19.
Components and Application
If area inside curb is open, roof opening dimensions
MUST be no greater than:
Cabinet A - 34-13/16"x133" (884x3378mm);
Cabinet B - 49-13/16"x133" (1265x3378mm);
Cabinet C - 61-5/16"x167-7/8" (1557x4264mm).
When cutting only duct openings, cut opening 1" (25mm)
larger than duct size to allow clearance for installation.
Approximate Weights of
Roof Curb Option CJ34
by Cabinet Size *
Cabinet
A
Cabinet
B
Cabinet
C
lbs 254 292 365
kg 115 132 166
*See Model Size / Cabinet Size Cross Reference on pages 71-72.
5.4.2.1 Horizontal
Airow Roof Curb
Option CJ49 for
MAPS
®
III&IV Cabinets
A, & B and Option CJ50
for Cabinet C
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) 261699 (CJ50) 261700 (CJ50) 261701 (CJ49)
Component Descriptions Qty Component P/N's
A Curb End Assembly (solid)
1
261653 261654 261670
B Curb Side Assembly (insulated)
2
261655 261671
3 C'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
D Supply Duct End (solid insulated partition)
1
261658 261659 261673
E Supply Duct Bottom (insulated) (**2 pcs)
**1
261660 261661 ** 261674 & 261428
F Supply Air Duct Bottom Liner (**2 pcs)
**1
261394 261395 ** 261418 & 261429
G Air Bafe ("curve" in the supply duct)
1
268604 268605 268606
H Supply Air Duct Center Divider
1
261396 261397 261419
J Return Air Duct Partition
1
261662 261663 261675
K
Vertical Divider (lower part) between
Supply and Return Air Ducts
1
261666 261677