Features And Specifications - A.O. Smith COF-199 THRU 700A Installation Setup Manual

TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION
RELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFORE
USING APPLIANCE.
This is a typical Duraclad oil-fired heater for commercial water heating
COF - 199
Model
Dim. Inches
A 74 1/2
B 36 3/4
C 27 3/4
D 2
E 3/4 NPT
F 8
G 26 5/8
H 74 1/2
J 1 1/2 NPT
K 1 1/2 NPT
L 22 3/4
Approx.
Shipping 553
Weight STD. Lbs
Approx.
Shipping
Weight ASME ---
ALL DIMENSIONS IN INCHES/mm
*Model numbers followed by the suffix "A" indicates the optional A.S.M.E. tank construction.
TANK
CAPACITY
Model Btuh KW U.S.Gal. Litres
COF 199,000 86
199 58
COF 245,000 86
245 72
COF 315,000 84
315/315A 92
COF 385,000 75
385/385A 113
COF 455,000 75
455/455A 133
COF 700,000 69
700/700A 205
* All tanks are tested at 320 psig working pressure.
** Based on No. 2 fuel oil with a heat content of 140,000 Btu's per gallon at 80% thermal efficiency. Above 2,000 altitude, input
ratings should be reduced 4% for each 1000' above sea level.

FEATURES AND SPECIFICATIONS

TABLE 1 NOMINAL MODEL DIMENSIONS
COF - 245 COF - 315/315A
mm Inches mm Inches
1,892 74 1/2 1,892 74 1/2
933 36 3/4 933 36 3/4
705 27 3/4 705 27 3/4
51 2 51
3/4 NPT
203 8 203
676 26 5/8 676 26 5/8
1,892 74 1/2 1,892 74 1/2
1 1/2 NPT
1 1/2 NPT
578 22 3/4 578 22 3/4
251 554 252
Kg. Lbs. Kg. Lbs.
--- --- --- Lbs.
TABLE 2 RECOVERY CAPACITIES, based on 80% efficiency
APPROX
EFF. F° 40F°
% C° 22.2C° 27.7C°
80 GPH 477
326 LPH 1804
80 GPH 587
326 LPH 2221
80 GPH 754
318 LPH 2856
80 GPH 922
284 LPH 3491
80 GPH 1090
284 LPH 4125
80 GPH 1677
261 LPH 6347
applications. The principal components of the heater are shown and
identified here. The identification plate illustrations on page 4 interpret
certain markings into useful information. Use these references to identify
the heater and its components
FIGURE 1
COF - 385/385A
mm Inches mm
1,892 73 3/4 1,873
933 36 3/4 933
705 27 3/4 705
2 51 2
3/4 NPT 3/4 NPT
8 203 8 203
676 24 3/4 629
1,892 73 3/4 1,873
1 1/2 NPT 1 1/2 NPT
1 1/2 NPT 1 1/2 NPT
578 23 7/16 595
554 252 624 283
Kg. Lbs. Kg.
657 298 742 337
Kg. Lbs. Kg.
U.S Gallons/Hr. and Litres/Hr at TEMPERATURE RISE INDICATED
50F° 60F° 70F° 80F°
33.3C° 38.8C° 44.4C°
381 318 272 238
1443 1203 1031 902
469 391 335 293
1777 1481 1269 1111
604 503 431 377
2285 1904 1632 1428
738 615 527 461
2793 2327 1995 1745
872 727 623 545
3300 2750 2357 2063
1341 1118 958 838
5077 4231 3627 3173
2
COF - 455/455A COF - 700/700A
Inches mm Inches
73 3/4 1,873 73 3/4
36 3/4 933 36 3/4
27 3/4 705 27 3/4
51 2 51
3/4 NPT
8 203
24 3/4 629 30 3/16
73 3/4 1,873 79 3/16
1 1/2 NPT
1 1/2 NPT
23 7/16 595 28 7/8
700 318
Lbs. Kg.
747 339
Lbs. Kg.
90F° 100F° 110F° 120F°
50C° 55.5C° 61.1C° 66.6C°
212 191 173
802 722 656
261 235 213
987 889 808
335 302 274
1269 1142 1039
410 369 335
1551 1396 1269
484 436 396
1833 1650 1500
745 671 610
2821 2539 2308
mm
1,873
933
705
2 51
3/4 NPT
10 254
767
2,011
1 1/2 NPT
1 1/2 NPT
733
739 335
Lbs. Kg.
822 373
Lbs. Kg.
130F° 140F°
72.2C° 77.7C°
159 147 136
601 555 516
196 181 168
740 683 635
251 232 216
952 879 816
307 284 263
1164 1074 997
363 335 311
1375 1269 1179
559 516 479
2116 1953 1813