HTP SSU-20 - Performance and Sizing Guidelines

lp-83 Rev. 006 Rel. 005 Date 12.18.17
6
Table 2 - Specications
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 rst 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