Table PD-1 (Continued) — Model S Unit Heater Hot Water Capacities – 60°F Ent. Air Temp.
(Conversion Factors in Table SP-11 Apply Only to 200 F Entering Water Temperature Columns)
Water
260 F
Unit
Temp.
Size
Drop °F MBH GPM
18-S
10
15.5
3.19 111.0
CFM 280
20
9.8
1.01
92.3
RPM 1075
30
—
—
HP 1/50
40
—
—
10
40.5
8.34 128.7
38-S
20
33.4
3.44 116.6
CFM 543
30
26.2
1.80 104.5
RPM 1550
40
19.1
.98
92.4
HP 1/20
50
—
—
60
—
—
10
42.5
8.75 126.2
42-S
20
35.0
3.61 114.6
CFM 591
30
27 .6
1.89 103.0
RPM 1550
40
20.1
1.04
91.3
HP 1/20
50
—
—
60
—
—
20
56.0
5.77 123.4
30
48.3
3.32 114.6
60-S
40
40.6
2.09 105.9
CFM 815
50
32.8
1.35
97 .1
RPM 1550
60
25.1
.86
88.4
HP 1/20
80
—
—
100
—
—
20
65.5
6.75 114.9
30
56.4
3.88 107 .3
70-S
40
47 .4
2.44
99.7
CFM 1100
50
38.3
1.58
92.1
RPM 1550
60
29.2
1.00
84.4
HP 1/8
80
—
—
100
—
—
40
69.7
3.59 112.9
90-S
50
61.1
2.52 106.4
CFM 1214
60
52.6
1.81
99.9
RPM 1550
80
35.4
.91
86.9
HP 1/8
100
—
—
120
—
—
40
78.1
4.02 106.9
50
68.3
2.82 101.0
100-S
60
58.5
2.01
95.1
CFM 1535
80
38.9
1.00
83.4
RPM 1550 100
19.3
.40
71.6
HP 1/8
120
—
—
140
—
—
50
99.5
4.10 112.1
60
89.3
3.07 106.8
126-S
80
69.0
1.78
96.1
CFM 1760
100
48.7
1.00
85.5
RPM 1100
120
28.4
.49
74.9
HP 1/6
140
—
—
160
—
—
40
151.2
7 .79 118.5
50
139.4
5.75 114.0
168-S
60
127 .6
4.38 109.4
CFM 2381
80
103.9
2.68 100.2
RPM 1100
100
80.2
1.65
91.1
HP 1/6
120
56.6
.97
81.9
140
—
—
160
—
—
180
—
—
UH-PRC001-EN
Performance
Data
300 F
PD
PD
FT S.W.T. H.W.T.
MBH GPM
.10
.12
19.7
4.07 124.9
.01
.02
14.1
1.45 106.3
—
—
—
8.4
.58
87 .6
—
—
—
—
—
.79
.94
50.0 10.30 144.9
.16
.20
42.9
4.42 132.8
.05
.06
35.7
2.46 120.7
.02
.02
28.6
1.47 108.6
—
—
—
21.5
.89
96.5
—
—
—
—
—
.86
1.02
52.4 10.81 141.8
.18
.21
45.0
4.64 130.2
.06
.07
37 .5
2.58 118.5
.02
.02
30.1
1.55 106.9
—
—
—
22.6
.93
95.3
—
—
—
—
—
.51
.62
70.3
7 .25 139.5
.19
.23
62.6
4.30 130.8
.09
.10
54.9
2.83 122.0
.04
.05
47 .1
1.94 113.3
.02
.02
39.4
1.35 104.6
—
—
—
—
—
—
—
—
—
—
.68
.81
82.3
8.48 129.0
.26
.31
73.2
5.03 121.3
.11
.14
64.1
3.30 113.7
.05
.06
55.0
2.27 106.1
.02
.03
45.9
1.58
98.5
—
—
—
27 .7
.71
83.2
—
—
—
—
—
.27
.32
90.6
4.67 128.7
.15
.17
82.0
3.38 122.2
.08
.10
73.4
2.52 115.7
.02
.03
56.2
1.45 102.7
—
—
—
39.0
.80
89.6
—
—
—
—
—
.33
.40
101.6
5.23 121.0
.18
.21
91.8
3.78 115.1
.10
.12
82.0
2.82 109.2
.03
.03
62.4
1.61
97 .4
.01
.01
42.8
.88
85.7
—
—
—
—
—
—
—
—
—
—
.42
.51
129.5
5.34 127 .8
.25
.30
119.4
4.10 122.5
.10
.12
99.1
2.55 111.9
.04
.04
78.8
1.62 101.3
.01
.01
58.5
1.00
90.6
—
—
—
—
—
—
—
—
—
—
1.53
1.83
191.0
9.84 133.9
.90
1.07
179.1
7 .38 129.3
.56
.67
167 .3
5.75 124.8
.23
.28
143.6
3.70 115.6
.10
.12
120.0
2.47 106.4
.04
.05
96.3
1.65
97 .3
—
—
—
72.6
1.07
88.1
—
—
—
49.0
.63
79.0
—
—
—
—
—
Entering Water Temperature
340 F
PD
PD
FT S.W.T. H.W.T
MBH GPM
.15
.18
24.0
4.94 138.8
.02
.03
18.3
1.89 120.2
.00
.01
12.6
.87 101.5
—
—
—
—
—
1.10
1.32
—
—
.25
.30
—
—
.09
.10
45.3
3.11 136.8
.04
.04
38.1
1.97 124.7
.01
.02
31.0
1.28 112.7
—
—
—
23.9
.82 100.6
1.20
1.43
—
—
.27
.32
55.0
5.67 145.7
.10
.11
47 .5
3.26 134.1
.04
.05
40.1
2.06 122.5
.02
.02
32.6
1.34 110.9
—
—
—
25.2
.86
99.2
.74
.89
—
—
.30
.35
—
—
.14
.17
69.2
3.56 138.2
.07
.09
61.4
2.53 129.5
.04
.05
53.7
1.84 120.7
—
—
—
38.3
.99 103.3
—
—
—
—
—
.98
1.17
99.0 10.21 143.0
.39
.47
89.9
6.18 135.4
.19
.22
80.8
4.17 127 .7
.10
.12
71.8
2.96 120.1
.05
.06
62.7
2.15 112.5
.01
.02
44.5
1.15
97 .2
—
—
—
—
—
.41
.50
—
—
.24
.28
102.8
4.24 138.0
.14
.17
94.2
3.24 131.5
.05
.06
77 .0
1.98 118.5
.02
.02
59.8
1.23 105.4
—
—
—
42.7
.73
92.4
.51
.61
125.0
6.44 135.1
.29
.34
115.2
4.75 129.2
.17
.20
105.4
3.62 123.3
.06
.08
85.8
2.21 111.5
.02
.03
66.2
1.37
99.8
—
—
—
46.6
.80
88.0
—
—
—
27 .0
.40
76.2
.65
.78
159.6
6.58 143.6
.41
.49
149.4
5.13 138.2
.18
.21
129.1
3.33 127 .6
.08
.10
108.8
2.24 117 .0
.03
.04
88.5
1.52 106.4
—
—
—
68.2
1.00
95.7
—
—
—
47 .9
.62
85.1
2.23
2.66
—
—
1.35
1.61
218.8
9.02 144.7
.87
1.04
207 .0
7 .11 140.1
.40
.48
183.3
4.72 131.0
.20
.24
159.7
3.29 121.8
.10
.12
136.0
2.34 112.6
.05
.05
112.3
1.65 103.5
02
.02
88.7
1.14
94.3
—
—
—
65.0
.74
85.2
380 F
PD
PD
FT S.W.T . H.W.T
MBH GPM
.21
.25
28.2
5.81 152.7
.04
.05
22.5
2.32 134.1
.01
.01
16.9
1.16 115.5
—
—
—
11.2
.58
96.8
—
—
—
—
—
—
—
—
—
—
.13
.15
—
—
.06
.07
47 .7
2.46 140.9
.03
.03
40.5
1.67 128.8
.01
.01
33.4
1.15 116.7
—
—
—
—
—
.37
.44
—
—
.14
.17
—
—
.06
.07
50.1
2.58 138.1
.03
.04
42.6
1.76 126.4
.01
.02
35.1
1.21 114.8
—
—
—
—
—
—
—
—
—
—
.20
.25
—
—
.11
.13
75.7
3.12 145.6
.06
.08
68.0
2.34 136.9
.02
.03
52.5
1.35 119.4
—
—
—
37 .1
.76 101.9
1.31
1.56
—
—
.54
.65
—
—
.27
.32
97 .6
5.03 141.8
.15
.18
88.5
3.65 134.2
.08
.10
79.4
2.73 126.5
.03
.03
61.2
1.58 111.3
—
—
—
43.0
.89
96.0
—
—
—
—
—
.34
.40
—
—
.21
.25
115.0
3.95 147 .3
.09
.11
97 .8
2.52 134.3
.04
.05
80.7
1.66 121.2
.02
.02
63.5
1.09 108.2
.71
.84
—
—
.41
.49
138.7
5.72 143.3
.26
.31
128.9
4.43 137 .4
.11
.13
109.3
2.82 125.6
.05
.06
89.7
1.85 113.9
.02
.02
70.1
1.20 102.1
.01
.01
50.5
.74 90.3.
.90
1.08
—
—
.59
.70
—
—
.27
.33
159.2
4.10 143.3
.14
.17
138.9
2.86 132.7
.07
.08
118.6
2.04 122.1
.03
.04
98.3
1.45 111.5
.01
.02
78.0
1.00 100.8
—
—
—
—
—
1.84
2.21
—
—
1.22
1.46
—
—
.60
.71
223.0
5.75 146.3
.32
.38
199.4
4.11 137 .2
.17
.21
175.7
3.02 128.0
.10
.11
152.1
2.24 118.9
.05
.06
128.4
1.65 109.7
.02
.03
104.7
1.20 100.5
PD
PD
FT S.W.T . H.W.T .
.27
.32
.05
.06
.02
.02
.00
.01
—
—
—
—
—
—
—
—
—
.08
10
04
.05
'02
.03
—
—
—
—
—
—
—
—
—
.09
.11
.05
.05
.02
.03
—
—
—
—
—
—
—
—
—
.16
.19
.09
.11
.04
.04
.01
.02
—
—
—
—
—
—
.36
.43
.21
.25
.12
.15
.05
.06
.02
.02
—
—
—
—
—
—
.29
.34
.13
.16
.06
.08
.03
.04
—
—
—
.55
.66
.35
.42
.16
.19
.08
.09
.04
.04
.02
.02
—
—
—
—
—
—
.38
.46
.20
.24
.11
.14
.06
.07
.03
.04
—
—
—
—
—
—
—
—
—
.81
.97
.45
.54
.26
.32
.16
.19
.09
.11
.05
.06
25