Note:
1. A SU includes length for economizer, draw-through filter, cooling coil, supply fan, and condenser.
A SU includes a draw-through (pre-evaporator) filter with 2 in. angle filter or 2 in. + 12 in. (or 18
in.) filter. Units with a vertical 4 in. draw-through filter in place of the standard 2 in. angle or 2 in. +
12 in. (or 18 in.) filter are listed as
SU with Vertical Filter 4 in.
.
2. The heat section includes either gas, hot water, steam, or electric.
3. SU = Standard Unit, DP = Discharge Plenum, B = Bottom Discharge, L = Left Discharge, R = Right
Discharge, T = Top Discharge
4. Dimensions are ± 1 in..
Figure 13: 40 ton to 50 ton dimensional drawing
Table 8: 40 ton to 50 ton unit dimensions (in.) for return options with an ERW
Unit configuration
ERW only available with an exhaust fan with backdraft damper or modulating damper
Dimension set
M
L3
W2
N
O
P
Q
R
Bottom return, right OA, side exhaust
93.57
52.86
45.00
46.86
31.13
23.40
4.10
17.17
Bottom return, right OA, front exhaust
93.57
52.86
45.00
46.86
31.13
23.40
4.10
17.17
Table 9: 40 ton to 50 ton unit dimensions (in.) for return options without an ERW
Unit configuration
If unit has a return fan with modulating damper
If unit has an exhaust fan with backdraft
damper or modulating damper
Dimension set
M
L3
W2
N
O
P
Q
R
M
L3
W2
N
O
P
Q
R
Bottom return, right OA, side
exhaust
13.76
37.63
41.51
42.82
46.77
14.46
4.10
17.17
13.76
37.63
72.99
18.88
31.13
23.40
4.10
17.17
Bottom return, right OA, front
exhaust
13.76
37.63
41.51
42.82
46.77
14.46
4.10
17.17
13.76
37.63
72.99
18.88
31.13
23.40
4.10
17.17
Bottom return, left OA, side
exhaust
13.76
37.63
41.51
11.71
46.77
14.46
4.10
17.17
13.76
37.63
72.99
4.18
31.13
23.40
4.10
17.17
Bottom return, left OA, front
exhaust
13.76
37.63
41.51
11.71
46.77
14.46
4.10
17.17
13.76
37.63
72.99
4.18
31.13
23.40
4.10
17.17
Tempmaster
®
Omni™ Premier 25 Ton to 80 Ton Rooftop Units Installation and Maintenance Guide
38
Tempmaster