A.O. Smith SGS-28, Specification Sheet

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SGS
Technical specifications
Gas data natural gas 2H (G20)
Input* kW 32.1 34.5 52.6 63.2 86.6 105.5
Output kW 30.5 32.7 48.8 59.6 81.9 99.8
Inlet pressure mbar 20 20 20 20 20 20
Burner pressure mbar 8.5 8.5 8.5 11.5 6.0 6.0
Gas consumption ** m
3
/h 3.1 3.3 5.0 6.0 8.3 10.1
Diameter injector mm 4.90 5.10 7.00 7.10 6.30 6.80
Max. flue gas temperature °C 70 50 75 75 50 50
Flue gas discharge kg/h 56.8 61.1 85.4 101.4 141.9 164.3
Gas data butane gas 3+ G30
Input* kW 30.7 32.8 50.6 59.4 - -
Output kW 29.8 31.8 48.1 56.9 - -
Inlet pressure mbar 30 30 30 30 - -
Burner pressure mbar - - - - - -
Gas consumption ** kg/h 2.2 2.4 3.7 4.3 - -
Diameter injector mm 2.50 2.60 3.40 3.80 - -
Max. flue gas temperature °C 70 50 75 75 - -
Flue gas discharge kg/h 60.0 62.2 86.0 101.9 - -
Gas data propane gas 3+ G31
Input* kW 29.0 30.9 50.3 59.1 84.8*** 103.3***
Output kW 28.1 29.8 47.7 56.9 81.9*** 99.8***
Inlet pressure mbar 37 37 37 37 30*** 30***
Burner pressure mbar - - - - 13.0*** 13.0***
Gas consumption ** kg/h 2.1 2.2 3.6 4.2 6.1*** 7.4***
Diameter injector mm 2.50 2.60 3.40 3.80 4.70*** 5.10***
Max. flue gas temperature °C 70 50 75 75 50*** 50***
Flue gas discharge kg/h 54.3 56.5 85.1 101.0 142.1*** 176.4***
Draw-off capacity
Storage capacity l 217 368 368 368 460 460
Max. temperature setting °C 80 80 80 80 80 80
T
cold
= 10ºC / T
set
= 65ºC
30 min
∆
T=44°C l 457 642 784 897 1139 1296
60 min
∆
T=44°C l 755 961 1261 1461 1939 2270
90 min
∆
T=44°C l 1053 1280 1738 2043 2737 3245
120 min
∆
T=44°C l 1350 1599 2215 2625 3540 4220
Continuous
∆
T=44°C l/h 595 638 954 1164 1601 1950
Heating-up time
∆
T=44°C min 22 35 23 19 17 14
30 min
∆
T=50°C l 402 565 690 773 1002 1140
60 min
∆
T=50°C l 664 846 1110 1286 1706 1998
90 min
∆
T=50°C l 926 1126 1530 1798 2411 2856
120 min
∆
T=50°C l 1188 1407 1950 2310 3115 3714
Continuous
∆
T=50°C l/h 524 562 840 1025 1409 1716
Heating-up time
∆
T=50°C min 25 39 26 22 20 16
30 min
∆
T=55°C l 366 513 627 703 911 1036
60 min
∆
T=55°C l 604 769 1009 1169 1551 1816
90 min
∆
T=55°C l 842 1024 1391 1634 2191 2596
120 min
∆
T=55°C l 1080 1279 1772 2100 2832 3376
Continuous
∆
T=55°C l/h 476 511 763 932 1281 1560
Heating-up time
∆
T=55°C min 27 43 29 24 22 18
Electrical data
Power consumption W 275 275 275 275 600 690
Power supply VAC/Hz 230(-15% / +10 % VAC)
General
Fan rotational speed at ignition r.p.m. 4500 4500 4500 4500 2790 3120
Working speed fan r.p.m. 5000 5400 6000 6660 5100 5700
Pressure differential Pa 635/605 855/825 885/855 1085/1055 1005/975 1145/1115
Diameter of air restrictor mm 23 23 28 29 36 38
Anodes - 4 4 4 4 2-electric 2-electric
Maximum working pressure bar 8
Shipping data
Empty weight kg 177 214 214 214 480 480
Max. weight kg 394 582 582 582 940 940
Weight incl. packaging kg 197 234 234 234 491 491
Width packaging mm 870 870 870 870 920 920
Height packaging mm 1550 2080 2080 2080 2060 2060
Depth packaging mm 950 950 950 950 1020 1020
SGS 28 SGS 30 SGS 50 SGS 60 SGS 80 SGS 100
*
Gas data on gross value
**
Gas consumption at 15°C en 1013,25 mbar
*** 3p (G31)