A.O. Smith ***81-140, Установка, обслуживание, техническое обслуживание

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The illustration shows a typical gas-fired commercial gas power burner, tank-type
water heater. The principal components of the heater are shown and identified
here. By referring to the plate on the heater jacket the unit may be identified in the
specifications presented in Table 1 and 2.
FEATURES AND SPECIFICATIONS
Model Designator: Sample ***81-140NEA N = Natural Gas
*** = Letter designator E = 3 Year Warranty
81 = Gallon Capacity A = ASME Construction
140 = 140,000 BTU/HR imput
TABLE 2 - MODEL ENERGY CONSUMPTION AND PERFORMANCE DATA
STORAGE MAXIMUM
MODELS CAPACITY IMPUT RATING RECOVERY RATE RECOVERY RATE AMPERES
U.S. GALLONS BTU/HR. GPH@100°F RISE GPH@140°F RISE 120V, 60Hz, 1Ø
***81-140 81 140,000 136 97 5
***81-199 81 199,000 193 138 5
***81-270 81 270,000 262 187 5
***81-370 81 370,000 359 256 5
TABLE 1 - NOMINAL MODEL DIMENSIONS AND WEIGHTS
MODELS A B C D E G H J GAS APPROX. SHIP. IN OUT
WT. (LBS.)
ASME STD.
***81-140 74 3/4 65 26 3/4 6 21 3/8 27 3/4 38 85 1/4 1/2 658 556 1 1/2 1 1/2
***81-199 74 3/4 65 26 3/4 6 21 3/8 27 3/4 38 85 1/4 1/2 635 545 1 1/2 1 1/2
***81-270 74 3/4 65 26 3/4 8 21 3/8 27 3/4 38 85 1/4 3/4 632 547 1 1/2 1 1/2
***81-370 74 3/4 65 26 3/4 8 21 3/8 27 3/4 38 85 1/4 3/4 731 634 1 1/2 1 1/2