Johnson Controls
5513350-JTG-1018
100
Weights and Dimensions (Continued)
Roof Curb Dimensions
Cond LG
AHUCurb LG
E
Cross Braces as Required
Airflow
2.0 TYP
Supply
Air
D
SA WD
C
SA
LG
Curb WD
Return
Air
Right
A
RA
LG
RAR
WD
Cross Braces as Required
RAL
WD
Return
Air
Left
14 inches
Extra brace only needed when supply air is in the
heat section, in which case the C dimension will
have a value. If supply air is in the discharge
section, supply air will go against the end of the
AHU curb LG and C dimension will have no value.
LD27617
Figure 15:
25–50 Ton Roof Curbs: Left and Right Bottom Return Opening and Bottom Supply Opening with ERW
Table 57:
25–50 Ton Roof Curbs: Left and Right Bottom Return Opening and Bottom Supply Opening with ERW
25–30 Ton Right
Bottom Return Opening and Bottom Supply Opening with ERW
Unit Configuration
AHU
LG
Unit
WD
AHU
Curb
LG
Curb
WD
Cond
LG
Total
LG (E)
A
No Heat
SU with Pre-Evap Blank, Small Post-Evap Blank, DP (B, L, R, T)
See SU with Heat, Small Post-Evap Blank, DP (B, L, R, T)
SU with Pre-Evap Blank, Large Post-Evap Blank, DP (B, L, R, T)
See SU with Heat, Large Post-Evap Blank, DP (B, L, R, T)
SU with Small Post-Evap Blank, DP (B, L, R, T)
330.90 96.05 326.40 91.55 72.00 398.40 84.38
SU with Large Post-Evap Blank, DP (B, L, R, T)
372.90 96.05 368.40 91.55 72.00 440.40 84.38
Heat
SU with Discharge Through Heat Section (B, L)
302.90 96.05 298.40 91.55 72.00 370.40 84.38
SU with Heat, DP (B, L, R, T)
337.50 96.05 333.00 91.55 72.00 405.00 84.38
SU with Pre-Evap Blank, Discharge Through Heat Section (B, L)
359.00 96.05 354.50 91.55 72.00 426.50 84.38
SU with Pre-Evap Blank, Heat, DP (B, L, R, T)
390.50 96.05 386.00 91.55 72.00 458.00 84.38
SU with Pre-Evap Blank, Heat, Small Post-Evap Blank, DP (B, L, R, T)
435.50 96.05 431.00 91.55 72.00 503.00 84.38
SU with Pre-Evap Blank, Heat, Large Post-Evap Blank, DP (B, L, R, T)
477.50 96.05 473.00 91.55 72.00 545.00 84.38
SU with Heat, Small Post-Evap Blank, DP (B, L, R, T)
383.90 96.05 379.40 91.55 72.00 451.40 84.38
SU with Heat, Large Post-Evap Blank, DP (B, L, R, T)
425.90 96.05 421.40 91.55 72.00 493.40 84.38