6
CAPACITIES —Furnace Airflow Data
Table 2A. Furnace Airflow Data
80+ UPFLOW/HORIZONTAL FURNACE MODELS
‡
=
F
A
C
T
O
R
Y
SET
C
O
O
L
IN
G
NO
T
E
S
:
1.
A
IRF
LO
W
RA
T
E
S
O
F
1800 CF
M
O
R
M
O
RE
RE
Q
U
IR
E
T
W
O
RE
T
U
RN A
IR CO
NNE
C
T
IO
NS
.
DA
T
A
I
S
F
O
R O
P
E
R
A
T
IO
N W
IT
H
F
ILT
E
R
S
(S
)
*
=
F
A
CT
O
R
Y
S
E
T
HI
G
H
F
IRE
2
. T
E
M
P
ER
A
T
U
R
E
R
ISE
S I
N
T
H
E T
A
BL
E
A
R
E A
P
P
R
O
X
IM
AT
E
.
A
C
T
U
AL
T
E
M
P
ER
A
T
U
R
E
R
IS
E
S
M
A
Y VA
R
Y
**
= F
A
C
T
O
R
Y SET
L
O
W
F
IR
E
3.
T
E
M
P
E
R
A
T
URE
RI
S
E
S
A
ND A
IRF
LO
W
S
F
O
R
E
X
T
E
RNA
L
S
T
A
T
IC
P
R
E
S
S
URE
S
G
R
E
A
T
E
R T
H
A
N
0.
5
A
R
E
F
O
R RF
E
R
E
N
CE
O
N
LY
.
T
H
E
S
E
CO
NDI
T
IO
N
S
A
R
E
NO
T
RE
CO
M
M
E
ND
E
D
.
4.
T
E
M
P
E
R
A
T
URE
RI
S
E
S
A
R
E
DI
S
P
LA
Y
E
D
A
S
HI
G
H
F
IR
E
/
LO
W
F
IRE
Mo
de
l
H
e
a
ti
ng
N
u
m
b
e
r
In
pu
t
M
ot
or
Mot
o
r
*TA
(B
tuh
)
S
pe
e
d
H
P
Hi
g
h
‡
0
60-
0
8
A
6
0,
00
0
M
e
d
*
1
/3
Lo
w
**
Hi
g
h
‡
0
60-
1
2
A
6
0,
00
0
M
e
d
*
1
/3
Lo
w
**
Hi
g
h
‡
0
72-
1
2
B
7
2,
00
0
M
e
d
*
1
/3
Lo
w
**
Hi
g
h
‡
0
72-
1
6
B
7
2,
00
0
M
e
d
-H
ig
h
1
/2
M
e
d-
Lo
w
*
Lo
w
**
Hi
g
h
‡
0
96-
1
2
B
9
6,
00
0
M
e
d
*
1
/3
Lo
w
**
Hi
g
h
‡
0
96-
1
6
B
9
6,
00
0
M
e
d
-H
ig
h
1
/2
M
e
d-
Lo
w
*
Lo
w
**
Hi
g
h
‡
0
96-
2
0
B
9
6,
00
0
M
e
d
-H
ig
h
3
/4
M
e
d-
Lo
w
*
Lo
w
**
Hi
g
h
‡
12
0
-16
C
1
20
,0
00
M
e
d
-H
ig
h
1/
2
M
e
d-
Lo
w
*
Lo
w
**
Hi
g
h
‡
12
0
-20
C
1
20
,0
00
M
e
d
-H
ig
h
3/
4
M
e
d-
Lo
w
*
Lo
w
**
E
x
te
rn
a
l
S
ta
ti
c
P
res
su
re
(
In
c
h
e
s Wat
er
C
o
lu
m
n
)
0
.1
0
.2
0
.3
0
.4
0
.5
0
.6
0
.7
0
.8
CF
M
R
is
e
C
F
M
R
is
e
C
F
M
R
is
e
C
F
M
Ri
s
e
CF
M
R
is
e
C
F
M
Ri
s
e
CF
M
R
is
e
C
F
M
R
is
e
13
60
3
4
/
2
1
134
5
3
3
/
22
1
3
1
0
32 /
2
2
12
60
3
5
/
2
3
120
5
3
7
/
24
1
155
39 /
2
5
10
95
4
0
/
27
103
0
4
3
/
28
11
65
3
7
/
2
4
115
5
3
8
/
25
1
1
3
5
39 /
2
6
10
95
4
0
/
2
7
104
5
4
3
/
28
1
010
44 /
2
9
955
4
6
/
3
1
8
8
0
5
1
/
33
79
0
5
5 /
3
7
7
8
5
5
6
/
38
76
0
58 /
3
9
75
0
5
9 /
4
0
7
2
0
6
1
/
41
68
5
65 /
4
3
655
68
/
4
5
6
10
73
/
48
13
60
3
4
/
2
1
134
5
3
3
/
22
1
3
1
0
32 /
2
2
12
60
3
5
/
2
3
120
5
3
7
/
24
1
155
39 /
2
5
10
95
4
0
/
27
103
0
4
3
/
28
11
65
3
7
/
2
4
115
5
3
8
/
25
1
1
3
5
39 /
2
6
10
95
4
0
/
2
7
104
5
4
3
/
28
1
010
44 /
2
9
955
4
6
/
3
1
8
8
0
5
1
/
33
79
0
5
5 /
3
7
7
8
5
5
6
/
38
76
0
58 /
3
9
75
0
5
9 /
4
0
7
2
0
6
1
/
41
68
5
65 /
4
3
655
68
/
4
5
6
10
73
/
48
16
45
3
2
/
2
1
157
5
3
4
/
22
1
4
9
0
36 /
2
4
13
95
4
0
/
2
3
130
5
4
1
/
27
1
230
43 /
3
0
10
30
5
2
/
35
8
1
5
6
4
/
43
14
10
3
8
/
2
5
135
0
3
9
/
26
1
2
8
0
42 /
2
8
12
15
4
4
/
2
9
113
0
4
7
/
32
1
010
53 /
3
5
845
6
3
/
42
6
8
0
7
8
/
52
11
40
4
7
/
3
1
110
5
4
8
/
32
1
0
5
5
51 /
3
4
98
0
5
4 /
3
6
9
1
0
5
8
/
40
79
5
67 /
4
4
640
8
3
/
55
5
2
5
- /
68
18
70
2
8
/
1
8
184
5
2
9
/
19
1
7
9
0
30 /
2
0
17
35
3
1
/
2
0
166
5
3
2
/
21
1
580
33 /
2
2
15
00
3
5
/
23
140
0
3
8
/
25
14
80
3
6
/
2
4
145
0
3
7
/
24
1
4
2
0
38 /
2
5
13
80
3
9
/
2
6
132
5
4
0
/
27
1
265
42 /
2
8
11
90
4
5
/
30
107
5
5
0
/
33
10
30
5
2
/
3
4
101
0
5
3
/
35
99
0
54 /
3
6
95
0
5
6 /
3
7
9
1
5
5
8
/
39
86
5
61 /
4
1
775
6
9
/
46
6
9
0
7
7
/
51
81
5
6
5 /
4
3
7
6
5
6
9
/
46
72
0
72 /
5
0
67
0
7
9 /
5
3
6
2
0
8
6
/
57
56
0
95 /
6
3
515
- /
6
9
4
4
0
- /
81
14
95
5
0
/
3
0
143
0
5
2
/
31
1
3
6
0
55 /
3
2
12
75
5
8
/
3
5
121
0
6
1
/
37
1
090
68 /
4
0
925
8
0
/
48
7
4
0
- /
60
13
45
55 /
3
3
130
0
5
7
/
34
1
2
4
0
60 /
3
6
11
85
6
3
/
3
8
111
5
6
6
/
40
97
5
76 /
4
5
880
8
4
/
67
6
7
5
-
/
65
97
0
7
6 /
4
6
9
4
0
7
8
/
47
92
0
80 /
4
8
86
0
8
6 /
5
1
7
8
0
9
5
/
57
69
0
-
/ 65
575
- /
7
7
4
5
5
-
/ -
19
35
3
8
/
2
3
189
5
3
9
/
24
1
8
3
5
40 /
2
4
17
75
4
2
/
2
5
171
5
4
3
/
26
1
640
45 /
2
8
15
55
4
7
/
30
144
0
5
1
/
31
16
60
4
4
/
2
7
163
5
4
5
/
27
1
6
0
0
46 /
2
8
15
65
4
7
/
2
8
152
5
4
9
/
29
1
465
50 /
3
0
14
00
5
3
/
32
133
5
5
5
/
33
13
90
5
3
/
3
2
137
5
5
4
/
32
1
3
3
0
55 /
3
3
13
20
5
6
/
3
3
129
0
5
6
/
34
1
245
57 /
3
5
12
00
5
9
/
37
111
0
6
6
/
40
11
80
6
3
/
3
7
116
5
6
4
/
38
1
1
4
0
65 /
3
9
11
20
6
6
/
4
0
109
5
6
7
/
41
1
060
69 /
4
2
10
15
7
3
/
44
9
7
0
7
6
/
46
23
10
3
1
/
1
8
225
5
3
2
/
19
2
2
0
5
33 /
2
0
21
55
3
4
/
2
0
207
0
3
5
/
21
2
015
35 /
2
2
19
20
3
6
/
23
184
0
4
0
/
24
20
40
3
6
/
2
1
201
0
3
7
/
22
1
9
6
0
38 /
2
3
19
00
3
9
/
2
4
187
5
4
0
/
25
1
815
41 /
2
5
17
55
4
2
/
26
165
0
4
5
/
27
17
60
4
2
/
2
5
173
5
4
3
/
25
1
7
1
0
43 /
2
6
16
65
4
4
/
2
7
162
0
4
5
/
27
1
565
47 /
2
8
14
95
4
9
/
30
141
0
5
2
/
31
12
85
5
7
/
3
5
127
5
5
8
/
36
1
2
5
0
59 /
3
7
12
25
6
0
/
3
8
118
0
6
3
/
38
1
135
65 /
3
9
10
85
6
8
/
40
106
5
6
9
/
42
19
80
4
5
/
2
7
194
5
4
5
/
28
1
9
1
0
46 /
28
18
60
4
8
/
2
9
179
5
5
0
/
30
1
720
5
2
/
31
16
40
5
4
/
3
3
154
5
5
8
/
35
16
75
5
2
/
3
1
166
5
5
3
/
32
1
6
4
0
54 /
32
16
10
5
5
/
3
3
156
5
5
7
/
34
1
515
5
9
/
35
14
60
6
1
/
3
7
137
5
6
4
/
39
14
10
6
3
/
3
7
139
5
6
4
/
38
1
3
8
0
65 /
39
13
60
6
6
/
4
0
134
0
6
7
/
41
1
310
6
8
/
42
12
60
7
0
/
4
3
118
5
7
5
/
45
12
05
-
/ 44
119
0
- /
4
5
1
1
7
5
- /
45
11
60
- /
46
114
0
- /
4
7
1
115
-
/ 48
10
85
- /
49
105
0
- /
5
1
24
00
3
7
/
2
2
236
0
3
7
/ 23
2
3
1
0
38 /
24
22
55
4
0
/
2
4
220
0
4
1
/
24
2
140
4
2
/
25
20
70
4
3
/
2
6
199
0
4
5
/
27
21
05
4
1
/
2
5
209
5
4
2
/
25
2
0
7
5
43 /
25
20
60
4
3
/
2
6
201
5
4
4
/
27
1
960
4
5
/
27
19
10
4
6
/
2
8
184
5
4
9
/
29
17
50
5
1
/
3
1
174
5
5
1
/
31
1
7
4
0
52 /
31
17
20
5
2
/
3
1
171
0
5
2
/
31
1
680
5
3
/
32
16
45
5
4
/
3
2
160
0
5
6
/
33
15
20
5
9
/
3
3
151
5
5
9
/
33
1
5
1
0
60 /
34
15
00
6
0
/
3
5
149
0
6
1
/
36
1
475
6
1
/
37
14
50
6
1
/
3
7
142
5
6
2
/
38
Summary of Contents for TA-060C-08A
Page 2: ...2...
