Service manual

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
Maximum Amperage Draw
Single Phase Three Phase
Model
Number
kW Btu/Hr
Tank
Capacity
U.S. Gal
U.S. Gal./Hr
40ºF Rise
208 240 208 240 480 600
Approx.
Shipping
Weight
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
307B 7 23,884 4.27 72 33.7 29.2
21.0* 18.2* 9.1* 7.3*
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
313B 13 44,356 4.27 135 62.5 54.2
37.6* 32.6* 16.3* 13.0*
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
427B 27 92,124 5.80 280 130 113 74.9 64.9 32.4 26.0 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
439B 39 133,068 5.80 405 188 163 108 93.7
48.8* 39.1*
80 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) amperage of high leg indicated.
1.3 WATER TEMPERATURE RECOVERY
Booster Heater water recovery formulas:
415 x kW 874 x kW
G.P.H. (U.S.) =
Temp. Rise (ºF)
L.P.H. =
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)
307B 7 97 (367) 72 (272) 58 (219) 48 (181) 41 (155) 36 (136) 32 (121)
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)
313B 13 180 (681) 135 (511) 108 (409) 90 (341) 77 (291) 67 (254) 60 (227)
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)
427B 27 374 (1415) 280 (1060) 224 (848) 187 (708) 160 (606) 140 (530) 125 (473)
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)
439B 39 539 (2040) 405 (1533) 324 (1226) 270 (1022) 231 (874) 202 (765) 180 (681)
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)