A.O. Smith BTI - 85, BTI - 65 User Manual
Innovation has a name.
BTI
Light commercial atmospheric
water heater
BTI - 65/85/100
Atmospheric water heater, primarily intended for light commercial /
industrial applications • Control, high limit and energy cut-off
thermostats to ensure safe operation • Safety sensor to prevent fl ue
spillage • Stainless-steel burner for natural or LP gas • Waterway
access cover for comprehensive waterside tank maintenance
• Replaceable magnesium anode • Fully automatic spark ignition
to minimise standing losses • General fault indicator light
• Optional ancillaries: Unvented kits • Destrati cation pump kit
• Powered anode • Time clock kit • Flue fan kit • Time clock
kit/7 day timer to minimise standing losses
BTI
Technical specications
BTI 65
BTI 85
BTI 100
Gas data natural gas 2H (G20)
Input* kW 18.1 23.1 27.4
Output kW 12.7 16.2 19.2
Inlet pressure mbar 20 20 20
Burner pressure mbar 12 11,5 10
Gas consumption** m
Diameter pilot orice mm 0.56/0.41 0.56/0.41 0.56/0.41
Diameter main orice mm 3.4 3,9 4.5
Max. flue gas temperature °C 265 275 275
Flue gas discharge kg/h 27 55.2 53.2
3
/h 1.7 2,2 2.6
Gas data butane 3+ (G30)
Input* kW 17.2 21.8 29.6
Output kW 12.3 15.7 21.2
Inlet pressure mbar 30 30 30
Burner pressure mbar - - Gas consumption** kg/h 1.3 1.6 2.2
Diameter pilot orice mm 0.23 0.23 0.23
Diameter main orice mm 1.9 2.2 2.5
Max. flue gas temperature °C 265 275 275
Flue gas discharge kg/h - 81.1 74.8
Gas data propane 3+ (G31)
Input* kW 16.4 20.9 28.6
Output kW 11.7 15 20.4
Inlet pressure mbar 37 37 37
Burner pressure mbar - - Gas consumption** kg/h 1.2 1,5 2,0
Diameter pilot orice mm 0.23 0.23 0.23
Diameter main orice mm 1.9 2.2 2.5
Max. flue gas temperature °C 265 275 275
Draw-off capacity
Storage capacity l 178 265 355
Max. temperature setting °C 80 80 80
30 min. ∆T=44°C l 281 396 508
60 min. ∆T=44°C l 405 554 713
90 min. ∆T=44°C l 529 713 871
120 min. ∆T=44°C l 652 871 1070
Continuous ∆T=44°C l/h 247 375 399
Heating-up time ∆T=44°C min. 43 42 53
30 min. ∆T=50°C l 248 348 447
60 min. ∆T=50°C l 356 488 612
90 min. ∆T=50°C l 465 627 777
120 min. ∆T=50°C l 574 767 992
Continuous ∆T=50°C l/h 218 330 351
Heating-up time ∆T=50°C min. 49 48 61
30 min. ∆T=55°C l 225 317 406
60 min. ∆T=55°C l 324 443 556
90 min. ∆T=55°C l 423 570 706
120 min. ∆T=55°C l 522 697 856
Continuous ∆T=55°C l/h 198 300 319
Heating-up time ∆T=55°C min. 54 53 67
Electrical data
Power consumption W 30
Power supply VAC/Hz 230(-15/+10%) / 50
General
Anodes - 1
Maximum working pressure bar 8
Maximum weight kg 266 382 499
Shipping data
Weight empty kg 93 122 149
Weight incl. packaging BTT / BTI kg 105 140 167
Width packaging mm 670 780 780
Height packaging mm 1690 1640 1830
Depth packaging mm 730 870 870
* Gas data on gross value
** Gas consumption at 15°C and 1013.25 mbar
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