Indoorfan Performances; Return Fan Performances - Lennox CMC 020S Installation, Operating And Maintenance Manual

1.- GENERAL CHARACTERISTICS

1.4.- RETURN FAN PERFORMANCES

055D
Return fan
(RPM)
Closed pulley
755
1 turn
715
2 turns
675
3 vueltas
635
4 vueltas
595
085D
Return fan
(RPM)
Closed pulley
755
1 turn
715
2 turns
675
3 vueltas
635
4 vueltas
595
Static pressure available
ASP (Pa):
Absorved power
PI (Kw):
1.5.- INDOOR FAN PERFORMANCES. STANDARD
CLOSED
PULLEY
824
rpm
m3/h
3150 167
020S
3425 162
3700 155
•
4100
rpm 824
m3/h
4250 141
025S
4625 129
5000 115
5500 89
rpm 915
m3/h
4650 173
030S
5050 158
5450 141
•
6000
r pm 735
m3/h
6200 164
035S
6650 153
7100 139
8050 102
837
rpm
m3/h
6950 213
040S
7550 196
8150 175
9050 136
3
Air fl ow (m /h)
9950 10825 11700
ASP PI ASP PI ASP PI ASP PI
255 2,37 257 2,56 260 2,77 260 3,05
230 2,11 232 2,30 234 2,48 233 2,75
207 1,88 208 2,05 210 2,23 207 2,48
184 1,67 184 1,82 184 1,99 180 2,22
162 1,47 162 1,61 160 1,77 155 1,98
3
Air fl ow (m /h)
14000 15125 16250
ASP PI ASP PI ASP PI ASP PI
260 3,44 255 3,77 250 4,13
230 3,12 225 3,43 215 3,75 212 3,90
202 2,82 195 3,11 183 3,41 178 3,55
173 2,53 165 2,80 153 3,09 145 3,22
145 2,27 135 2,52 120 2,79 115 2,91
1 TURN 2 TURNS 3 TURNS
788 753 717
Available static pressure Pa.
149 132 116
127
143 109
138 120 103
127 90
108
788 753 717
Available static pressure Pa.
123 103 84
89
109 69
92 71 50
66 19
42
876 836 797
Available static pressure Pa.
149 125 103
109
133 84
115 89 63
84 28
56
704 672 640
Available static pressure Pa.
142 119 98
106
130 83
114 89 66
75 48 22
792 748 704
Available static pressure Pa.
178 143 109
158 122 86
136 97 58
94 10
53
070D
Return fan
12850
Closed pulley
1 turn
2 turns
3 vueltas
4 vueltas
16725
NOTA:
4 TURNS
682
101
045D
93
85
72
682
66
055D
49
28
n/a
757
80
070D
60
38
0
609
77
085D
61
42
n/a
659
75
100D
50
21
n/a
6
Air fl ow (m
12450 13550
(RPM)
ASP PI ASP PI ASP PI ASP PI
755
260 2,93 260 3,22 258 3,52 255 3,65
715
235 2,64 233 2,91 228 3,20 225 3,32
675 208 2,37 205 2,62 198 2,90 195 3,00
635
182 2,12 176 2,36 168 2,61 165 2,72
595
157 1,89 150 2,11 140 2,35 135 2,44
The unit leaves factory with the pulley fi t to two
open turns
CLOSED
1 TURN 2 TURNS
PULLEY
rpm 937 888
m3/h Available static pressure Pa.
7950 272 227
8675 249 201
•
9400 171
• •
9750
837 792
rpm
m3/h Available static pressure Pa.
9950 206 177
10825 195 166
11700 185 154
12850 136
rpm 937 888
m3/h Available static pressure Pa.
12450 237 200
•
13550 183
• •
14650
• •
15090
rpm 937 888
m3/h
Available static pressure Pa.
14000 202 163
15125 182 142
16250 160 117
16725 149 105
rpm 750 710
m3/h
Available static pressure Pa.
17350 237 202
18875 223 185
•
20400 168
• •
22450
3
/h)
14650 15090
3 TURNS 4 TURNS
838 788 738
183 140 97
155 109 63
121 72 23
51 1
103
748 704 659
148 122 96
138
110 83
125 97 68
75 45
105
838 788 738
163 128 95
145
109 73
124 85 48
75 36
115
838 788 738
125 87 51
102
62 23
75 34 n/a
63 20 n/a
670 630 591
167 133 101
149 115 81
131 94 59
63 25
100