Bradford White DW280L, Инструкция по установке и эксплуатации

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9
Specifications continued-
Table 2: Water Heater Capacities
MODEL
Tank
Capacity
(Gal)
Coil
Volume
(Gal)
Dry
Weight
(Lbs)
Wet
Weight
(Lbs)
40-Gal. 38 2.5 170 470
50-Gal. 46 2.5 180 547
65-Gal. 60 2.5 196 695
80-Gal. 75 2.5 224 848
Table 3: AHRI Certified Water Heater Ratings
MODEL
First Hour
Rating
(Gal/Hr)
Continuous
Draw
Rating
(Gal/Hr)
Standby
Heat Loss
Rating
(°F/Hr)
Minimum
Output of
Heat Source
(BTU/Hr)
Minimum
Heat Source
Flow Rate
(Gal/Min)
40-Gal 123 98 1.1 65,000 8.0
50-Gal 133 98 0.9 65,000 8.0
65-Gal 148 98 0.7 65,000 8.0
80-Gal 158 98 0.6 65,000 8.0
NOTE: These certified ratings were obtained with a heat source
output and flow rate as specified in Table 3 and a 180°F boiler water
supply temperature. Other results will be obtained under different
conditions.
Table 4: Water Heater Performance
MODEL
Maximum First
Hour Rating
(Gal/Hr) @
140 °F 115 °F
Continuous
Draw Rating
(Gal/Min) @
140 °F 115 °F
Approximate
Boiler Output
Needed For
Ratings
(BTU/hr)
40-Gal. 190 285 2.6 4.2 140,000
50-Gal. 200 295 2.6 4.2 140,000
65-Gal. 210 305 2.6 4.2 140,000
80-Gal. 225 320 2.6 4.2 140,000
NOTE: Based on 200 °F boiler water temperature and 50 °F potable
water inlet temperature.