15
UH-PRC001-EN
Selection
Procedure
Table SP-3 – Model S Horizontal Unit Heater Steam Capacities
2 Lbs. Steam 60 F Entering Air Temp
Motor
Motor
BTU
Condensate
Final
CFM 70 F
Outlet
Oper.
Size
HP
RPM
Per Hour
EDR
Lbs Per Hr
Temp
Air Basis
Velocity
Weight
Standard Units
1050
17,400
72
18
117
280
162
18-S
1/50
950
16,600
69
17
118
266
154
40
800
13,900
58
14
118
224
130
1050
20,000
84
21
118
318
186
20-S2
1/50
950
19,000
79
20
120
298
173
40
800
15,500
64
17
120
250
145
1550
38,700
162
40
126
544
319
38-S
1/20
1300
35,900
150
37
130
472
279
40
1100
32,700
136
33
135
399
238
1550
41,600
174
43
125
590
347
42-S
1/20
1300
38,000
158
39
130
495
294
40
1100
34,700
145
35
136
420
251
1550
60,500
252
64
129
815
343
60-S
1/20
1300
56,000
234
58
133
706
300
55
1100
51,200
214
52
139
597
256
1550
68,200
285
70
117
1100
454
70-S
1/8
1300
64,900
271
67
123
953
397
60
1100
59,700
248
61
128
806
339
1550
87,600
366
90
127
1214
382
90-S
1/8
1300
81,200
340
84
131
1053
334
75
1100
74,200
310
76
137
891
285
1550
96,000
400
99
118
1535
476
100-S
1/8
1300
91,500
380
94
123
1330
417
85
1100
84,000
350
86
128
1126
356
126-S
1/6
1100
125,700
525
130
126
1760
411
100
168-8
1/6
1100
172,000
716
178
127
2380
452
145
186-S
1/4
1100
185,200
775
191
121
2808
528
145
230-S
1/4
1100
229,700
957
237
124
3300
431
190
260-S
1/2
1100
256,300
1070
265
118
4100
529
195
320-S
1/2
1100
324,000
1350
335
127
4480
442
245
354-8
1/2
1100
355,500
1480
368
118
5660
550
250
400-S
3/4
1145
404,073
1684
418
122
6017
583
260
Notes:
1. Constant speed units are rated at capacities shown in regular type: Capacities in italic faced type apply only to
units with multi-speed motors.
2. Capacities based on 2 psi steam and 60 F entering air.
Содержание UH-PRC001-EN
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