Super Hot 304B - Water Temperature Recovery

Electric Booster– Installation, Operating and Maintenance Instructions
3
TABLE 1. Super Hot Electric Booster Heater Specifications (Flange Type Elements)
BOOSTER MODEL NUMBERS, kW RATINGS AND MAX. AMPERAGE DRAW
Model
Number
kW Btu/Hr
Tank
Capacity
U.S. Gal
U.S. Gal./Hr
40ºF Rise
Maximum Amperage Draw
Approx.
Shipping
Weight
Single Phase Three Phase
208 240 208 240 480 600
304B 4 13,649 4.27 41 19.2 16.7 -- -- -- -- 60 LBS
305B 5 17.062 4.27 52 24.0 20.8 -- -- -- -- 60 LBS
306B 6 20,474 4.27 62 28.8 25.0 16.6 14.4 7.2 5.8 60 LBS
309B 9 30,711 4.27 93 43.3 37.5 25.0 21.6 10.8 8.7 60 LBS
312B 12 40,948 4.27 124 57.7 50.0 33.3 28.8 14.4 11.5 65 LBS
315B 15 51,185 4.27 156 72.1 62.5
46.4* 40.2* 20.1* 16.1*
65 LBS
318B 18 61,422 4.27 187 86.5 75.0 54.6* 47.3* 23.7* 18.9* 70 LBS
424B 24 81,895 5.80 249 115 100 66.5 57.7 28.8 23.1 70 LBS
430B 30 102,369 5.80 311 144 125 83.2 72.1 36.0 28.8 75 LBS
436B 36 122,843 5.80 373 173 150 100 86.5 43.3 34.6 75 LBS
545B 45 153,554 5.80 467 216 188 125 108 54.1 43.3 90 LBS
554B 54 184,264 5.80 560 260 225 150 130 64.9 51.9 90 LBS
SPECIFY MODEL NUMBER, VOLTAGE AND EITHER 1 OR 3 PHASE WHEN ORDERING
* Delta connection (unbalanced load): Leg with highest value of line current is indicated.
1.3 WATER TEMPERATURE RECOVERY
Booster Heater water recovery formulas:
G.P.H. (U.S.) =
415 x kW
L.P.H. =
874 x kW
Temp. Rise (ºF) Temp. Rise (ºC)
TABLE 2. Water Temperature Recovery in GPH (LPH)
Model kW 30ºF (17ºC) 40ºF (22ºC) 50ºF (28ºC) 60ºF (33ºC) 70ºF (39ºC) 80ºF (44ºC) 90ºF (50ºC)
304B 4 55 (208) 41 (155) 33 (125) 28 (106) 24 (91) 21 (79) 18 (68)
305B 5 69 (261) 52 (197) 41 (155) 34 (129) 29 (110) 26 (98) 23 (87)
306B 6 83 (314) 62 (235) 50 (189) 41 (155) 35 (132) 31 (117) 27 (102)
309B 9 124 (469) 93 (352) 75 (284) 62 (235) 53 (200) 47 (178) 41 (155)
312B 12 166 (628) 124 (469) 100 (379) 83 (314) 71 (269) 62 (235) 55 (208)
315B 15 208 (787) 156 (590) 125 (473) 104 (394) 89 (337) 78 (295) 69 (261)
318B 18 249 (942) 187 (708) 149 (564) 125 (473) 107 (405) 93 (352) 83 (314)
424B 24 332 (1256) 249 (942) 199 (753) 166 (628) 142 (537) 125 (473) 111 (420)
430B 30 415 (1571) 311 (1177) 249 (942) 207 (783) 178 (673) 156 (590) 138 (522)
436B 36 498 (1885) 373 (1412) 299 (1132) 249 (942) 213 (806) 187 (708) 166 (628)
545B 45 622 (2354) 467 (1767) 373 (1412) 311 (1177) 267 (1010) 233 (882) 207 (783)
554B 54 747 (2827) 560 (2120) 448 (1695) 373 (1412) 320 (1211) 280 (1060) 249 (942)