lp-83 Rev. 006 Rel. 005 Date 12.18.17
6
Table 2 - Specifications
Continuous Flow Performance Calculation
First Hour Rating - (.75 X Tank Capacity) = Continuous Flow
Example: SSU-45C = 314 - (.75 X 45) = 280.25
B. Performance and Sizing Guidelines
NOTE:
The table below describes the minimum BTU/H required to achieve the listed first hour rating.
MODEL
GROSS BOILER OUTPUT
140
o
F
90
o
F Δ T
127
o
F
77
o
F Δ T
115
o
F
65
o
F Δ T
SSU-20
84,000
121
140
168
SSU-30
102,000
154
180
212
SSU-30LB
113,000
169
198
234
SSU-45
141,000
212
248
292
SSU-45C
215,000
314
367
414
SSU-60
174,000
266
311
370
SSU-60C
245,000
354
414
467
SSU-80
212,000
330
386
440
SSU-80C
331,000
490
573
647
SSU-119
269,999
423
495
564
SSU-119C
425,000
637
745
841
Table 3 - Water Heater Performance and Sizing Guidelines