Roof curb dimensions
Figure 16: 25 ton to 50 ton roof curbs: left bottom return opening and bottom supply opening with
ERW
Table 20: 25 ton to 30 ton roof curbs: left bottom return opening and bottom supply opening with ERW
(in.)
Unit configuration
AHU
LG
Unit WD
AHU Curb LG
Curb WD
Cond LG
Total LG (E)
A
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
326.4
91.55
72
398.40
84.38
No
heat
SU with large post-evap blank, DP (B,
L, R, T)
372.90
96.05
368.4
91.55
72
440.40
84.38
SU with discharge through heat
section (B, L)
302.90
96.05
298.40
91.55
72
370.40
84.38
SU with heat, DP (B, L, R, T)
337.50
96.05
333.00
91.55
72
405.00
84.38
SU with pre-evap blank, with
discharge through heat section (B, L) 359.00
96.05
354.50
91.55
72
426.50
84.38
SU with pre-evap blank, heat, DP (B,
L, R, T)
390.50
96.05
386.00
91.55
72
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
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
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
451.40
84.38
Heat
SU with heat, large post-evap blank,
DP (B, L, R, T)
425.90
96.05
421.40
91.55
72
493.40
84.38
Tempmaster
®
Omni™ Premier 25 Ton to 80 Ton Rooftop Units Installation and Maintenance Guide
47
Tempmaster