Nordyne RL 90+ - Manual (Page 7)

7
Table 2. Furnace Airfl ow Data
CAPACITIES —Furnace Airfl ow Data continued
Model
Heating
External Static Pressure (Inc
hes
W
ater Column)
Number
Input
Motor
Motor
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
*RL-
(Btuh)
Speed
HP
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
High*
1280
-
1210
-
1180
-
1140
-
1090
-
1070
-
1030
-
990
-
040()-12
40,000
Medium
1/3
1140
-
1090
-
1060
-
1030
-
980
35
950
36
910
37
870
39
Lo
w**
875
39
835
41
820
41
805
42
780
43
770
44
760
45
750
45
High*
1260
40
1190
43
1155
44
1120
45
1075
47
1030
49
980
52
940
54
060()-12
60,000
Medium**
1/3
1120
45
1070
48
1040
49
1010
50
960
53
930
55
890
57
850
60
Lo
w
855
59
815
62
800
64
780
65
760
67
730
70
710
-
690
-
High*
1635
-
1585
-
1525
-
1460
46
1400
48
1330
51
1260
54
1180
57
080()-16
80,000
Med-High**
1/2
1435
47
1395
49
1350
50
1300
52
1255
54
1200
56
1150
59
1090
62
Med-Lo
w
1230
55
1200
56
1165
58
1130
60
1090
62
1050
65
1000
68
960
71
Lo
w
1050
-
1035
-
1010
-
980
-
950
-
910
-
870
-
820
-
High*
1600
53
1555
54
1500
56
1445
59
1380
61
1310
65
1240
68
1160
73
100()-16
100,000
Med-High**
1/2
1475
57
1435
59
1385
61
1335
63
1290
66
1240
68
1190
71
1130
75
Med-Lo
w
1320
-
1290
-
1250
-
1215
-
1170
-
1120
-
1070
-
1020
-
Lo
w
1150
-
1130
-
1110
-
1075
-
1040
-
1000
-
950
-
890
-
High*
2085
48
2035
49
1965
51
1910
52
1840
54
1780
56
1715
58
1630
61
120()-20
100,000
Med-High**
3/4
1925
52
1885
53
1835
55
1780
56
1730
58
1675
60
1615
62
1540
65
Med-Lo
w
1720
58
1670
60
1630
61
1610
63
1570
64
1510
66
1465
68
1415
72
Lo
w
1500
66
1495
69
1460
66
1430
70
1400
72
1365
73
1315
-
1265
-
( ) Can be C or N
* Factory Set Cooling Speed ** Factory Set Heating Speed - Not Recommended
1.
Airfl
o
w r
ates of 1800 CFM or more require tw
o retur
n air connections
.
Data is f
or oper
ation with fi
lter(s).
2.
T
emper
ature r
ises in the tab
le are appro
ximate
. Actual temper
ature r
ises ma
y v
ar
y.
3.
T
emper
ature r
ises and airfl
o
ws f
or e
xter
nal static pressures g
reater than 0.5 are f
or ref
erence only
.
These conditions are not recommended.