Figure 15: 70 ton to 80 ton dimensional drawing
Table 16: 70 ton to 80 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
13.66
41.63
45.51
54.71
52.68
13.07
16.17
13.93
13.66
56.94
71.31
31.05
35.95
26.92
16.17
13.93
Bottom return, right OA, front
exhaust
13.66
41.63
45.51
54.71
52.68
13.07
16.17
13.93
13.66
56.91
77.87
31.05
35.95
26.92
16.17
13.93
Bottom return, left OA, side
exhaust
13.66
41.63
45.51
12.83
52.68
13.07
16.17
13.93
13.66
56.91
71.31
10.67
35.95
26.92
16.17
13.93
Bottom return, left OA, front
exhaust
13.66
41.63
45.51
12.83
52.68
13.07
16.17
13.93
13.66
56.91
77.87
4.13
35.95
26.92
16.17
13.93
Dimension set
S
L1
H2
T
O
P
Q
R
S
L1
H2
T
O
P
Q
R
Left return, right OA, front exhaust
-
-
-
-
-
-
-
-
5.09
74.78
66.11
7.64
35.95
26.92
16.17
13.93
Unit configuration
If unit has no fan and barometric damper
Dimension set
M
L3
W2
N
O
P
Q
R
Bottom return, right OA, side exhaust
6.13
54.28
65.00
43.92
38.08
20.58
11.27
13.93
Bottom return, right OA, front exhaust
6.13
54.28
65.00
43.92
38.08
20.58
11.27
13.93
Bottom return, left OA, side exhaust
6.13
54.28
65.00
4.13
38.08
20.58
11.27
13.93
Bottom return, left OA, front exhaust
6.13
54.28
65.00
4.13
38.08
20.58
11.27
13.93
Bottom return, no OA, no EA
6.13
54.28
65.00
43.92
-
-
-
-
Dimension set
S
L1
H2
T
O
P
Q
R
Left return, right OA, front exhaust
5.09
50.78
66.05
7.67
38.08
20.58
11.27
13.93
Left return, no OA, no EA
5.09
50.78
66.05
7.67
-
-
-
-
Tempmaster
®
Omni™ Premier 25 Ton to 80 Ton Rooftop Units Installation and Maintenance Guide
44
Tempmaster