Dunkirk DCBF-125 - Application Table - Indirect Hot Water Tank Sizing

40
APPLICATION TABLE - INDIRECT HOT WATER TANK SIZING
HEATING ONLY BOILERS 100, 125, 165
Notes:
176 °F Boiler Supply Water Temperature, AHRI Conditions -50 °F Inlet
Water @ 240 GPH Flow Rate.
Model
Max. First
Hour Rating
Continuous
Rating
Boiler Output
Needed For
Maximum
Performance
Boiler
Water Flow
Through
Coil
Pressure
Drop
Through Coil
Gal/Hr. @ Gal/Hr @
(BTU/Hr) Gal/Min (Ft. Water)
140 F 115 F 140 F 115 F
H20I30 176 233 149 206 112,000 14.0 5.7
H2OI40 193 254 157 218 118,000 14.0 5.9
H2OI40L 186 251 150 215 116,000 14.0 5.6
H2OI50 196 254 151 231 125,000 14.0 6.2
H20I60 231 298 177 244 132,000 14.0 6.4
H20I60L 211 272 157 218 118,000 14.0 5.9
H2OI80 241 306 169 234 127,000 14.0 6.2
H2OI115 291 363 188 260 141,000 14.0 6.7
High Output Units 60HO, 80HO, and 115HO
H2OI60HO 353 468 299 414 221,000 14.0 10.5
H2OI80HO 366 479 294 407 220,000 14.0 10.3
H2OI80HOC 386 507 314 435 236,000 21.0 15.8
H2OI15HO 413 532 310 429 232,000 14.0 10.8
H2OI115HOC 423 545 320 442 240,000 21.0 16.7
Extra High Output Units 85XHO and 115XHO
H2OI85XHOC 649 868
571 790 428,000 28.0 13.0
H2OI115XHOC 674 893 571 790 428,000 28.0 13.0
PN 240012875 REV. B [07/01/2021]