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Page 19
SERIES 28HE BOILER INSTALLATION AND OPERATION INSTRUCTIONS
Minimum Feed Water Condensate Receiver
Boiler
I=B=R Gross Output Evaporation Rate
Pumping Rate Capacity
Model MBH
kW
GPM
L/hr
GPM
L/hr
Gallons
Liters
28HE-S-4 900
264
1.9
7.3
3.9
14.8
37
140
28HE-S-5 1166
342
2.5
9.5
5.0
18.9
48
182
28HE-S-6 1433
420
3.1
11.7
6.2
23.5
59
223
28HE-S-7 1699
498
3.7
13.8
7.3
27.6
69
261
28HE-S-8 1965
576
4.2
16.0
8.4
31.8
80
303
28HE-S-9 2232 654 4.8
18.1
9.6
36.3
91
345
28HE-S-10 2498
732
5.4
20.3
10.7
40.5
102
386
28HE-S-11 2764
810
5.9
22.5
11.9
45.1
113
428
28HE-S-12 3031
888
6.5
24.7
13.0
49.2
124 469
28HE-S-13 3297
966
7.1
26.8
14.2
53.8
135
511
28HE-S-14 3563
1044
7.7
29.0
15.3
57.9
145
549
28HE-S-15 3830
1122
8.2
31.2
16.5
62.5
156
591
28HE-S-16 4096
1200
8.8
33.3
17.6
66.6
167
632
28HE-S-17 4362
1278
9.4
35.5
18.7
70.8
178
674
28HE-S-18 4629
1356
9.9
37.6
19.9
75.3
189
716
Table 9 - Steam Boiler Capacities
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