Table PD-3 (Continued) – Model P 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
42-P
50
19.6
.81
90.3
CFM 595
60
—
—
RPM 1550
80
—
—
HP 1/40
42-P
CFM 436
50
—
—
RPM 1150
60
—
—
HP 1/40
64-P
50
38.3
1.58
95.7
CFM 989
60
29.8
1.02
87 .8
RPM 1550
80
—
—
HP 1/20
100
—
—
64-P
50
30.8
1.27 100.1
CFM 706
60
24.1
.83
91.5
RPM 1150
80
—
—
HP 1/20
100
—
—
80-P
50
47 .1
1.94
96.2
CFM 1200
60
36.8
1.26
88.2
RPM 1550
80
—
—
100
—
—
—
80-P
50
37 .8
1.56 100.6
CFM 858
60
29.8
1.02
92.0
RPM 1150
80
—
—
HP 1/20
50
78.4
3.23 107 .3
102-P
60
69.4
2.39 101.9
CFM 1528
80
51.6
1.33
91.1
RPM 1070 100
—
—
HP 1/8
120
—
—
140
—
—
50
65.2
2.69 109.7
102-P
60
57 .9
1.99 104.2
CFM 1208
80
43.4
1.12
93.1
RPM 850
100
—
—
HP 1/8
120
—
—
50
95.6
3.94 109.2
122-P
60
84.5
2.90 103.5
CFM 1790
80
62.1
1.60
92.0
RPM 1100
100
—
—
HP 1/6
120
—
—
140
—
—
50
123.8
5.10 111.4
60
111.4
3.83 106.2
146-P
80
86.6
2.23
96.0
CFM 2220 100
61.9
1.28
85.7
RPM 1100
120
—
—
HP 1/6
140
—
—
160
—
—
50
139.9
5.77 109.2
60
126.2
4.33 104.4
166-P
80
98.6
2.54
94.7
CFM 2620 100
—
—
RPM 1100
120
—
—
HP 1/6
140
—
—
160
—
—
34
Performance
Data
300 F
PD
PD
FT S.W.T . H.W.T .
MBH GPM
.01
.01
29.5
1.22 105.7
—
—
—
23.5
.81
96.4
—
—
—
—
—
—
—
—
23.7
.98 110.0
—
—
—
—
—
.03
.04
54.5
2.25 110.8
.01
.02
46.0
1.58 102.9
—
—
—
29.0
.75
87 .0
—
—
—
—
—
.02
.03
43.5
1.79 116.8
.01
.01
36.9
1.27 108.2
—
—
—
—
—
—
—
—
—
—
.03
.04
66.8
2.75 111.3
.01
.02
56.5
1.94 103.4
—
—
—
—
—
—
—
—
—
—
.02
.02
53.4
2.20 117 .3
.01
.01
45.3
1.56 108.7
—
—
—
—
—
.10
.13
103.0
4.24 122.1
.06
.07
94.0
3.23 116.7
.02
.02
76.2
1.96 105.9
—
—
—
58.3
1.20
95.2
—
—
—
—
—
—
—
—
—
—
.07
.09
85.4
3.52 125.2
.04
.05
78.2
2.69 119.7
.01
.02
63.7
1.64 108.6
—
—
—
49.2
1.01
97 .6
—
—
—
—
—
.14
.19
125.9
5.19 124.8
.08
.11
114.8
3.94 119.1
.03
.03
92.4
2.38 107 .6
—
—
—
70.1
1.44
96.1
—
—
—
—
—
—
—
—
—
—
.23
.30
160.9
6.63 126.8
.13
.18
148.5
5.10 121.7
.05
.07
123.8
3.19 111.4
.02
.02
99.0
2.04 101.1
—
—
—
74.2
1.28
90.8
—
—
—
—
—
—
—
—
—
—
.19
.26
181.7
7 .49 123.9
.11
.15
167 .9
5.77 119.1
.04
.06
140.4
3.62 109.4
—
—
—
112.8
2.32
99.7
—
—
—
85.3
1.46
90.0
—
—
—
—
—
—
—
—
—
—
Entering Water Temperature
340 F
PD
PD
FT S.W.T . H.W.T
MBH GPM
.02
.02
39.4
1.63 121.1
.01
.01
33.4
1.15 111.8
—
—
—
—
—
.01
.02
31.5
1.30 126.7
—
—
—
26.8
.92 116.7
.06
.08
70.7
2.91 125.9
.03
.04
62.2
2.14 117 .9
.01
.01
45.2
1.16 102.1
—
—
—
—
—
.04
.05
56.3
2.32 133.5
.02
.03
49.7
1.71 124.9
—
—
—
36.4
.94 107 .6
—
—
—
—
—
.06
.07
86.5
3.57 126.5
.03
.04
76.2
2.62 118.5
—
—
—
55.6
1.43 102.7
—
—
—
—
—
.04
.05
69.0
2.84 134.1
.02
.02
60.9
2.09 125.5
—
—
—
44.9
1.16 108.2
.16
.21
127 .6
5.26 137 .0
.10
.13
118.7
4.08 131.6
.04
.05
100.8
2.60 120.8
.02
.02
82.9
1.71 110.0
—
—
—
65.0
1.12
99.2
—
—
—
—
—
.11
.15
105.7
4.36 140.6
.07
.09
98.5
3.38 135.1
.03
.04
84.0
2.16 124.1
.01
.01
69.5
1.43 113.0
—
—
—
55.0
.95 102.0
.24
.31
156.2
6.44 140.4
.14
.18
145.1
4.98 134.7
.05
.07
122.7
3.16 123.2
.02
.03
100.4
2.07 111.7
—
—
—
78.0
1.34 100.2
—
—
—
—
—
.36
.48
198.1
8.16 142.2
.22
.30
185.7
6.38 137 .1
.09
.12
160.9
4.15 126.8
.04
.05
136.1
2.91 116.5
.02
.02
111.4
1.91 106.2
—
—
—
86.6
1.28
96.0
—
—
—
—
—
.31
.41 223.5
9.21 138.6
.19
.25 209.7
7 .20 133.8
.08
.11
182.1
4.69 124.1
.03
.05
154.6
3.19 114.4
.01
.02
127 .0
2.18 104.7
—
—
—
99.5
1.46
95.0
—
—
—
—
—
380 F
PD
PD
FT S.W.T . H.W.T
MBH GPM
.03
.04
49.4
2.04 136.5
.02
.02
43.4
1.49 127 .2
—
—
—
31.3
.81 108.5
.02
.03
39.4
1.63 143.4
.01
.01
34.7
1.19 133.4
.10
.13
86.9
3.58 141.0
.05
.07
78.4
2.69 133.0
.02
.02
61.3
1.58 117 .2
—
—
—
44.3
.91 101.3
.06
.08
69.1
2.85 150.2
.03
.05
62.5
2.15 141.5
.01
.02
49.2
1.27 124.2
—
—
—
36.0
.74 106.9
.09
.12
106.3
4.38 141.6
.05
.06
96.0
3.30 133.7
.02
.02
75.3
1.94 .117 .9
—
—
54.7
1.13 102.0
.06
.08
84.6
3.49 150.8
.03
.04
76.5
2.63 142.2
.01
.01
60.5
1.56 125.0
.24
.31
152.2
6.27 151.8
.15
.19
143.3
4.92 146.4
.06
.08
125.4
3.23 135.6
.03
.04
107 .5
2.22 124.9
.01
.02
89.6
1.54 114.1
—
—
—
71.8
1.06 103.3
.17
.22
126.0
5.19 156.1
.10
.13
118.7
4.08 150.6
.04
.06
104.3
2.69 139.5
.02
.03
89.8
1.85 128.5
.01
.01
75.3
1.29 117 .4
.35
.45
186.5
7 .69 156.0
.21
.28
175.4
6.02 150.3
.09
.12
163.0
3.94 138.8
.04
.05
130.7
2.69 127 .3
.02
.02
108.3
1.86 115.8
—
—
—
86.0
1.27 104.3
.52
.70
235.2
9.70 157 .7
.33
.44
222.8
7 .65 152.5
.15
.20
198.1
5.10 142.2
.07
.10
173.3
3.57 131.9
.04
.05
148.5
2.55 121.7
.02
.02
123.8
1.82 111.4
—
—
—
99.0
1.28 101.1
.44
.59
265.2 10.93 153.3
.28
.37
251.4
8.64 148.4
.13
.17
223.9
5.77 138.8
.06
.08
196.3
4.05 129.1
.03
.04
168.8
2.90 119.4
.01
.02
141.2
2.08 109.7
—
—
—
113.7
1.46 100.0
PD
PD
FT S.W.T . H.W.T .
.04
.06
.02
.03
.01
.01
.03
.04
.02
.02
.14
.19
.08
.11
.03
.04
.01
.01
.09
.12
.05
.07
.02
.03
.01
.01
.13
.17
.08
.10
.03
.04
.01
.01
.08
.11
.05
.06
.02
.02
.33
.42
.21
.27
.09
.12
.05
.06
.02
.03
.01
.02
.23
.30
.14
.19
.07
.09
.03
.04
.02
.02
.48
.62
.30
.39
.14
.18
.07
.09
.03
.04
.02
.02
.70
.94
.45
.61
.21
.29
.11
.15
.06
.08
03
.04
.02
.02
.60
.80
.39
.51
.18
.24
.09
.12
.05
.07
.03
.04
.01
.02
UH-PRC001-EN