Lennox LCH092H Unit Information page 19

BLOWER DATA ALL MODELS
CEILING DIFFUSERS AIR RESISTANCE - in. w.g.
Unit Size
094 Models
122 Models
152 Models
RTD11 Step-Down Diffuser
Air Volume
2 Ends Open
cfm
2400 0.21
2600 0.24
2800 0.27
3000 0.32
3200 0.41
3400 0.50
3600 0.61
3800 0.73
3600 0.36
3800 0.40
4000 0.44
4200 0.49
4400 0.54
4600 0.60
4800 0.65
5000 0.69
5200 0.75
4200 0.22
4400 0.28
4600 0.34
4800 0.40
5000 0.46
5200 0.52
5400 0.58
5600 0.64
5800 0.70
CEILING DIFFUSER AIR THROW DATA
Air Volume
Model No.
cfm
2600
2800
094 Models 3000
3200
3400
3600
3800
122 Models 4000
4200
4400
5600
5800
6000
152 Models
6200
6400
6600
Throw is the horizontal or vertical distance an air stream travels on leaving the outlet or diffuser
1
before the maximum velocity is reduced to 50 ft. per minute. Four sides open.
1 Side, 2 Ends
Open
0.18
0.21
0.24
0.29
0.37
0.45
0.54
0.63
0.28
0.32
0.36
0.40
0.44
0.49
0.53
0.58
0.62
0.19
0.24
0.29
0.34
0.39
0.44
0.49
0.54
0.59
Effective Throw Range
1
RTD11 Step-Down
ft.
24 - 29
25 - 30
27 - 33
28 - 35
30 - 37
25 - 33
27 - 35
29- 37
32 - 40
34 - 42
39 - 49
42 - 51
44 - 54
45 - 55
46 - 55
47 - 56
Page 19
FD11 Flush Diffuser
All Ends & Sides
Open
0.15
0.18
0.21
0.25
0.32
0.39
0.48
0.57
0.23
0.26
0.29
0.33
0.37
0.42
0.46
0.50
0.54
0.16
0.20
0.24
0.29
0.34
0.39
0.43
0.47
0.51
FD11 Flush
ft.
19 - 24
20 - 28
21 - 29
22 - 29
22 - 30
22 - 29
22 - 30
24 - 33
26 - 35
28 - 37
28 - 37
29 - 38
40 - 50
42 - 51
43 - 52
45 - 56
0.14
0.17
0.20
0.25
0.31
0.37
0.44
0.51
0.15
0.18
0.21
0.24
0.27
0.31
0.35
0.39
0.43
0.10
0.12
0.15
0.19
0.23
0.27
0.31
0.35
0.39