Table PD-4 (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
50
164.2
6.77 107 .3
60
147 .7
5.07 102.6
202-P
80
114.7
2.96
93.0
CFM 3200 100
—
—
RPM 1100
120
—
—
HP 1/4
140
—
—
160
—
—
50
219.9
9.06 108.7
60
202.4
6.95 104.8
252-P
80
167 .5
4.31
97 .1
CFM 4162
100
132.5
2.73
89.3
RPM 1100
120
—
—
HP 1/4
140
—
—
160
—
—
180
—
—
200
—
—
50
250.3 10.32 112.1
60
230.2
7 .91 107 .9
80
189.9
4.89
99.5
280-P
100
149.7
3.08
91.1
CFM 4430 120
109.4
1.88
82.8
RPM 1100
140
—
—
HP 1/2
160
—
—
180
—
—
200
—
—
50
295.5 12.18 112.3
60
271.5
9.33 108.0
80
223.4
5.76
99.5
336-P
100
175.4
3.61
91.0
CFM 5210
120
127 .3
2.19
82.5
RPM 1140
140
—
—
HP 3/4
160
—
—
180
—
—
200
—
—
36
Performance
Data
300 F
PD
PD
FT S.W.T . H.W.T .
MBH GPM
.26
.35
213.6
8.80 121.5
.15
.20
197 .1
6.77 116.8
.06
.07
164.1
4.23 107 .3
—
—
—
131.1
2.70
97 .8
—
—
—
98.1
1.68
88.2
—
—
—
—
—
—
—
—
—
—
.53
.71
281.4 11.60 122.3
.33
.43 263.9
9.06 118.4
.13
.18 228.9
5.90 110.7
.06
.08
194.0
4.00 103.0
—
—
—
159.0
2.73
95.2
—
—
—
124.1
1.83
87 .5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
.68
.90 320.5 13.21 126.7
.41
.55 300.3 10.32 122.5
.17
.23 260.1
6.70 114.1
.07
.10
219.9
4.53 105.7
.03
.04
179.6
3.08
97 .4
—
—
—
139.4
2.05
89.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
.92
1.23 378.7 15.61 127 .0
.56
.75 354.6 12.18 122.7
.23
.31 306.6
7 .90 114.2
.10
.13 258.5
5.33 105.7
.04
.05
210.5
3.61
97 .2
—
—
—
162.4
2.39
88.7
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Entering Water Temperature
340 F
PD
PD
FT S.W.T . H.W.T
MBH GPM
.42
.55 263.0 10.84 135.7
.25
.34 246.4
8.47 131.0
.11
.14
213.4
5.50 121.5
.05
.06
180.4
3.72 112.0
.02
.03
147 .4
2.53 102.5
—
—
—
114.4
1.68
92.9
—
—
—
—
—
.82
1.09 342.8 14.13 135.9
.52
.69 325.3 11.18 132.0
.23
.31 290.4
7 .48 124.3
.11
.15 255.4
5.26 116.6
.06
.08 220.5
3.79 108.8
.03
.04
185.5
2.73 101.1
—
—
—-
150.6
1.94
93.3
—
—
—
—
—
—
—
—
—
—
1.04
1.39 390.6 16.10 141.3
.66
.88 370.5 12.73 137 .1
.30
.40 330.3
8.51 128.7
.14
.19 290.0
5.98 120.3
.07
.10 249.8
4.29 112.0
.03
.05 209.5
3.08 103.6
—
—
—
169.3
2.18
95.2
—
—
—
—
—
—
—
—
—
—
1.43
1.90
461.8 19.04 141.7
.90
1.20
437 .8 15.04 137 .4
.40
.54 389.7 10.04 128.9
.20
.26
341.7
7 .04 120.4
.10
.13 293.6
5.04 111.9
.04
.06 245.6
3.61 103.4
—
—
—
197 .5
2.54
94.9
—
—
—
149.4
1.71
86.4
—
—
—
—
—
380 F
PD
PD
FT S.W.T . H.W.T
MBH GPM
.60
.80
312.3 12.87 150.0
.38
.50
295.8 10.16 145.2
.17
.23
262.8
6.77 135.7
.08
.11
229.8
4.74 126.2
.04
.05
196.8
3.38 116.7
.02
.03
163.8
2.41 107 .2
—
—
—
130.7
1.68
97 .7
1.16
1.54
404.3 16.66 149.5
.75
1.00
386.8 13.29 145.7
.36
.47
351.8
9.06 137 .9
.19
.25
316.9
6.53 130.2
.10
.14
281.9
4.84 122.4
.06
.07
247 .0
3.64 114.7
.03
.04
212.0
2.73 107 .0
—
—
—
177 .1
2.03
99.2
—
—
—
142.2
1.46
91.5
1.48
1.97
460.8 19.00 155.9
.95
1.27
440.7 15.14 151.7
.45
.60
400.5 10.32 143.3
.24
.31
360.2
7 .42 134.9
.13
.17
320.0
5.50 126.6
.07
.09
279.7
4.12 118.2
.04
.05
239.5
3.08 109.8
—
—
—
199.2
2.28 101.5
—
—
—
159.0
1.64
93.1
2.02
2.69
544.9 22.46 156.4
1.30
1.74
520.9 17 .89 152.1
.62
.82
472.9 12.18 143.6
.32
.43
424.8
8.76 135.1
.17
.23
376.7
6.47 126.6
.09
.12
328.7
4.84 118.1
.05
.07
280.6
3.61 109.6
.02
.03
232.6
2.66 101.1
—
—
—
104.5
1.90
92.6
PD
PD
FT S.W.T . H.W.T .
.82
1.08
.52
.70
.25
.33
.13
.17
.07
.09
.04
.05
.02
.02
1.55
2.06
1.01
1.35
.50
.66
.27
.36
.16
.21
.09
.12
.05
.07
.03
.04
.02
.02
1.98
2.63
1.30
1.72
.63
.85
34
.46
20
.26
.12
.16
07
.09
.04
.05
.02
.03
2.71
3.60
1.77
2.36
.87
1.15
.47
.63
.27
.36
.16
.21
.09
.12
.05
.07
.03
.04
UH-PRC001-EN