Rough-In-Dimensions - A.O. Smith BTI 120 Installation & Operation Manual

ROUGH-IN-DIMENSIONS

FRONT VIEW
TABLE 1. ROUGH-IN-DIMENSIONS
Model BTI-120 BTI-154
Dim. Inches mm Inches mm
A 63 1800 70
B 4 1/4 108 4 1/4
C 59 1/2 1511 66 1/2 1689
D 50 7/8 1292 57 7/8 1470
E 19 11/16 500 19 11/16 500 19 11/16 500 19 11/16 500 20 1/2 521
F 19 483 19
G 1/2NPT 1/2NPT
(gas inlet)
H 51 7/8 1318 59
I 5 127 6
(vent dia)
J 27 3/4 705 27 3/4 705
K 1 1/2NPT 1 1/2NPT
L 1 1/2NPT 1 1/2NPT
Appox.
Shipping 400 181 470
Weight lbs. K.g lbs.
STD.
Approx.
Shipping - - -
Weight
ASME
TABLE 2. RECOVERY CAPACITIES, based on 80% efficiency
TANK
CAPACITY
Model Btuh KW U.S.Gal. Litres
BTI-120 120,000 71
35
BTI-154 154,000 81
45
BTI-180 180,000 81
53
BTI-190 190,000 81
56
BTI-199 199,000 81
58
BTI-250 250,000 100
73
BTI-275 275,000 100
81
BTI-310 310,000 85
91
BTI-366 366,000 85
107
BTI-400 399,000 85
117
TABLE 3. GAS AND ELECTRICAL CHARACTERISTICS
Model Type of Gas
Natrual
BTI 120-400
Propane
Minimum Supply Pressure, Natural Gas: 4.5 inches W.C. (1.12kPa)
Minimum Supply Pressure, Propane Gas: 11.0 inches W.C. (1.74kPa)
Minimum Pressures must be maintained under both load and no load (static and dynamic) conditions.
BTI-180 BTI-199
Inches mm Inches mm Inches mm
1778 70 1778 70 1778
108 4 1/4 108 4 1/4 108
66 1/2 1689 66 1/2 1889
57 7/8 1470 57 7/8 1470 61 5/8 1565
483 19 483 19 483
1/2NPT 1/2NPT
1499 59 1499 59 1499
152 6 152 6 152
27 3/4 705 27 3/4 705 27 3/4 705
1 1/2NPT 1 1/2NPT
1 1/2NPT 1 1/2NPT
213 470 213 470 213
K.g lbs. K.g lbs. K.g
- - - - -
APPROX
EFF. F° 36F° 40F°
% C° 20C° 22.2C° 27.7C° 30C° 33.3C° 38.8C° 40C° 44.4C° 50C° 55.5C° 60C° 61.1C° 66.6C° 70C° 72.2C° 77.7C°
80 GPH 319 287
269 LPH 1209 1088
80 GPH 410 369
307 LPH 1551 1396
80 GPH 479 431
307 LPH 1813 1632
80 GPH 506 455
307 LPH 1914 1723
80 GPH 530 477
307 LPH 2005 1804
80 GPH 665 599
379 LPH 2519 2267
80 GPH 732 659
379 LPH 2770 2493
80 GPH 825 743
322 LPH 3123 2811
80 GPH 974 877
322 LPH 3687 3318
80 GPH 1062 956
322 LPH 4020 3618
Manifold Pressure
Inches vs. W.C. kPa
3.5 0.87
10 2.49
TOP
TOP
OUTLET F
INLET
1 1/2" NPT
1 1/2" NPT
TOP VIEW
BTI-200 BTI-250
Inches mm Inches mm
72 1829 72 1829
4 1/2 114 4 1/2 114
70 1778 70 1778
61 5/8 1565
20 1/2 521
21 533 21 533
1/2NPT 1/2NPT 1/2NPT
61 1549 61 1549
6 152 6 152
27 3/4 705
2NPT 2NPT
2NPT 2 NPT
603 274 603 274
lbs. K.g lbs. K.g
686 311 686 311
lbs. Kg. lbs. Kg.
U.S Gallons/Hr. and Litres/Hr at TEMPERATURE RISE INDICATED
50F° 54F° 60F° 70F° 72F° 80F° 90F° 100F° 108F° 110F° 120F° 126F° 13F°
230 213 192 164 160
870 806 725 622 604
295 273 246 211 205
1117 1034 931 798 776
345 319 287 246 240
1306 1209 1088 933 907
364 337 303 260 253
1378 1276 1148 984 957
381 353 318 272 265
1443 1336 1203 1031 1002
479 444 399 342 333
1813 1679 1511 1295 1259 1133 1007
527 488 439 376 366
1995 1847 1662 1425 1385 1247 1108
594 550 495 424 413
2249 2082 1874 1606 1561 1405 1249
701 649 584 501 487
2655 2458 2212 1896 1844 1659 1475
765 708 637 546 531
2894 2680 2412 2067 2010 1809 1608
Maximum Supply Pressure
Inches W.C.
14
14
2
BACK VIEW
BTI-275 BTI-310 BTI-366
Inches mm Inches mm
72 1829 73 1854 73
4 1/2 114 4 1/2 114 4 1/2
70 1778 72 1829 72
61 5/8 1565 62 1/2 1588 62 1/2 1588
20 1/2 521 20 1/2 521 22 1/2 572
21 533 21 533 21
3/4NPT 3/4NPT
61 1549 63 1600 63
6 152 6 152 6
27 3/4 705 27 3/4 705 27 3/4 705
2NPT 1 1/2NPT 1 1/2NPT
2NPT 1 1/2NPT 1 1/2NPT
603 274 725 329 725
lbs. K.g lbs. K.g lbs.
686 311 833 378 833
lbs. Kg. lbs. Kg. lbs.
144 128 115 106 105
544 484 435 403 396
184 164 148 137 134
698 621 559 517 508
216 192 172 160 157
816 725 653 604 593
228 202 182 169 165
861 766 689 638 626
238 212 191 177 173
902 802 722 668 656
299 266 240 222 218
907 840 824
329 293 263 244 240
997 923 907
371 330 297 275 270
1124 1041 1022
438 390 351 325 319
1327 1229 1207
478 425 382 354 348
1447 1340 1315
Electrical Characteristics
kPa Volts/Hz Amperes
3.48 120/60
3.48 120/60
BTI-400
Inches mm
1854 73 1854
114 4 1/2 114
1829 72 1829
62 1/2 1588
22 1/2 572
533 21 533
3/4NPT
1600 63 1600
152 6 152
27 3/4 705
1 1/2NPT
1 1/2NPT
329 725 329
K.g lbs. K.g
378 833 378
Kg. lbs. Kg.
140F°
96 91 88 82
363 345 335 311
123 117 113 105
465 443 430 399
144 137 133 123
544 518 502 466
152 144 140 130
574 547 530 492
159 151 147 136
601 573 555 516
200 190 184 171
756 720 697 648
220 209 203 188
831 792 767 712
248 236 228 212
937 892 865 803
292 278 270 250
1106 1053 1021 948
319 303 294 273
1206 1148 1113 1034
< 5
< 5