Smith 28HE Series Installation & Operating Instructions Manual page 16

SERIES 28HE STEAM BOILER INSTALLATION AND OPERATION INSTRUCTIONS
Page 16
Table 9 - Steam Boiler Capacities
I=B=R Gross Output
Boiler
Model MBH
28HE-S-4 931
28HE-S-5 1194
28HE-S-6 1458
28HE-S-7 1722
28HE-S-8 1985
28HE-S-9 2249
28HE-S-10 2513
28HE-S-11 2776
28HE-S-12 3040
28HE-S-13 3304
28HE-S-14 3567
28HE-S-15 3831
28HE-S-16 4095
28HE-S-17 4358
28HE-S-18 4622
Note: These recommendations are considered normal for compact buildings. Where buildings are spread out,
additional receiver capacity may be necessary because of the extended time required for condensate to return to
the receiver.
Figure 22 - Typical Single Boiler Steam Piping
Evaporation Rate
kW GPM
264 1.9
342 2.5
420 3.1
498 3.7
576 4.2
654 4.8
732 5.4
810 5.9
888 6.5
966 7.1
1044 7.7
1122 8.2
1200 8.8
1278 9.4
1356 9.9
Minimum Feed Water
Pumping Rate
L/hr GPM
7.3 3.9
9.5 5.0
11.7 6.2
13.8 7.3
16.0 8.4
18.1 9.6
20.3 10.7
22.5 11.9
24.7 13.0
26.8 14.2
29.0 15.3
31.2 16.5
33.3 17.6
35.5 18.7
37.6 19.9
Condensate Receiver
Capacity
L/hr Gallons Liters
14.8 37
18.9 48
23.5 59
27.6 69
31.8 80
36.3 91
40.5 102
45.1 113
49.2 124
53.8 135
57.9 145
62.5 156
66.6 167
70.8 178
75.3 189
140
182
223
261
303
345
386
428
469
511
549
591
632
674
716