Figure 18: 25 ton to 50 ton roof curbs: right bottom return opening and bottom supply opening
without ERW
Table 26: 25 ton to 30 ton roof curbs: right bottom return opening and bottom supply opening without
ERW (in.)
Unit configuration
AHU LG Unit WD
AHU
curb LG Curb WD Cond LG
Total
LG (E)
A
SU with vertical filter 4 in., DP (B, L, R, T)
192.40
96.05
187.90
91.55
72.00
259.90
11.41
SU with DP (B, L, R, T)
209.40
96.05
204.90
91.55
72.00
276.90
11.41
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)
254.40
96.05
249.90
91.55
72.00
321.90
11.41
No heat
SU with large post-evap blank, DP (B, L, R, T)
302.90
96.05
298.40
91.55
72.00
370.40
11.41
SU with vertical filter 4 in., with discharge through
heat section (B, L)
209.40
96.05
204.90
91.55
72.00
276.90
11.41
SU with discharge through heat section (B, L)
226.40
96.05
221.90
91.55
72.00
293.90
11.41
SU with Heat, DP (B, L, R, T)
261.00
96.05
256.50
91.55
72.00
328.50
11.41
SU with pre-evap blank, with discharge through
heat section (B, L)
279.40
96.05
274.90
91.55
72.00
346.90
11.41
SU with pre-evap blank, heat, DP (B, L, R, T)
314.00
96.05
309.50
91.55
72.00
381.50
11.41
SU with pre-evap blank, heat, small post-evap
blank, DP (B, L, R, T)
359.00
96.05
354.50
91.55
72.00
426.50
11.41
SU with pre-evap blank, heat, large post-evap
blank, DP (B, L, R, T)
401.00
96.05
396.50
91.55
72.00
468.50
11.41
SU with heat, small post-evap blank, DP (B, L, R, T)
307.40
96.05
302.90
91.55
72.00
374.90
11.41
Heat
SU with heat, large post-evap blank, DP (B, L, R, T)
349.40
96.05
344.90
91.55
72.00
416.90
11.41
Tempmaster
®
Omni™ Premier 25 Ton to 80 Ton Rooftop Units Installation and Maintenance Guide
52
Tempmaster