Bradford White CEHD12054243CF, Manual

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Electrical Connections continued-
Amperage Chart
Water heaters with amperage draw of 48 AMPS or more require factory installed
internal fusing to comply with INTERTEK requirements.
GPH Recovery Capacities
kW Temperature Rise
Input 40°F 50°F 60°F 70°F 80°F 90°F 100°F 120°F 140°F
6 62 50 41 35 31 28 25 21 18
9 93 74 62 53 47 41 37 31 27
12 124 99 83 71 62 55 50 41 35
13.5 140 112 93 80 70 62 56 47 40
15 155 125 103 89 78 69 62 52 44
18 186 149 124 106 93 83 74 62 53
24 248 199 164 142 124 110 99 83 71
27 279 223 186 160 140 124 112 93 80
30 310 248 207 177 155 138 124 103 89
36 372 298 248 213 186 165 149 124 106
45 465 372 310 266 233 207 186 155 133
54 558 447 372 319 279 248 223 186 160
Multiply kW input by 3,412 to determine BTU input:
Example: 54kW x 3412 = 184,248 BTU’s
Recovery Computation Formula
GPH= (watts x 3.412) / (8.25 x °Temp. Rise)
kW 208V 240V 277V 380V 415V 480V 600V
Input 1Ø 3Ø 1Ø 3Ø 1Ø 3Ø 3Ø 1Ø 3Ø 3Ø
6 29 17 25 14 22 9 8 12 7 6
9 43 25 38 22 32 14 13 19 11 9
12 58 33 50 29 43 19 17 25 14 12
13.5 65 38 56 32 49 21 19 28 16 13
15 72 42 63 36 54 23 21 31 18 14
18 87 50 75 43 65 28 25 38 22 17
24 115 67 100 58 87 37 34 50 29 23
27 130 75 113 65 97 41 38 56 32 26
30 144 83 125 72 108 46 42 63 36 29
36 173 100 150 87 130 55 50 75 43 35
45 216 125 188 108 162 69 63 94 54 43
54 260 150 225 130 195 83 75 113 65 52