AO Smith Water Heater SGS 60 User Manual

SGS  
Condensing High Efficiency  
Gas-Solar Water Heater  
SGS - 28/30/50/60/80/100  
Solar  
control  
Fully room sealed condensing high efficiency gas-solar water  
heater (95 % gross) • Maximum solar contribution through fully  
integrated intelligent solar controller • 1 control and display unit  
for the complete installation • Extra solar contribution possible up  
to 40 % compared to standard solar systems • Suitable in combination  
with storage tanks up to 3000 liters • Flexible flue options (maximum  
lenght 115m) • Thermocontrol for easy flexible control / fault  
diagnosis • Programmable for legionella purge cycle • All models  
suitable for natural or LP gas • Meets latest EPC standards:  
SGS 28-60 : 0,902 • Scale formation is reduced through the improved  
design and location of the heat exchanger • Very easy maintenance  
and installation • SGS 80 - SGS 100 standard applied with powered  
anodes • Remote control connection • Voltage-free contact for  
general fault indication • Unvented kits are optional  
Storage  
Tank  
Innovation has a name.  
SGS  
SGS  
Technical specifications  
Gas data natural gas 2H (G20)  
Input*  
kW  
32.1  
30.5  
20  
8.5  
3.1  
4.90  
70  
56.8  
34.5  
32.7  
20  
8.5  
3.3  
5.10  
50  
61.1  
52.6  
48.8  
20  
8.5  
5.0  
7.00  
75  
85.4  
63.2  
59.6  
20  
11.5  
6.0  
7.10  
75  
101.4  
86.6  
81.9  
20  
6.0  
8.3  
6.30  
50  
141.9  
105.5  
99.8  
20  
Output  
kW  
Inlet pressure  
mbar  
mbar  
m3/h  
mm  
°C  
Burner pressure  
Gas consumption **  
Diameter injector  
Max. flue gas temperature  
Flue gas discharge  
6.0  
10.1  
6.80  
50  
kg/h  
164.3  
Gas data butane gas 3+ G30  
Input*  
kW  
30.7  
29.8  
30  
32.8  
31.8  
30  
50.6  
48.1  
30  
59.4  
56.9  
30  
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Output  
kW  
Inlet pressure  
mbar  
mbar  
kg/h  
mm  
°C  
Burner pressure  
Gas consumption **  
Diameter injector  
Max. flue gas temperature  
Flue gas discharge  
-
-
-
-
2.2  
2.50  
70  
2.4  
2.60  
50  
3.7  
3.40  
75  
4.3  
3.80  
75  
kg/h  
60.0  
62.2  
86.0  
101.9  
Gas data propane gas 3+ G31  
Input*  
kW  
29.0  
28.1  
37  
30.9  
29.8  
37  
50.3  
47.7  
37  
59.1  
56.9  
37  
84.8***  
81.9***  
30***  
13.0***  
6.1***  
4.70***  
50***  
142.1***  
103.3***  
99.8***  
30***  
13.0***  
7.4***  
5.10***  
50***  
176.4***  
Output  
kW  
Inlet pressure  
mbar  
mbar  
kg/h  
mm  
°C  
Burner pressure  
Gas consumption **  
Diameter injector  
Max. flue gas temperature  
Flue gas discharge  
-
-
-
-
2.1  
2.50  
70  
2.2  
2.60  
50  
3.6  
3.40  
75  
4.2  
3.80  
75  
kg/h  
54.3  
56.5  
85.1  
101.0  
Draw-off capacity  
Storage capacity  
Max. temperature setting  
l
°C  
217  
80  
368  
80  
368  
80  
368  
80  
460  
80  
460  
80  
T
= 10ºC / T = 65ºC  
set  
cold  
30 min T=44°C  
60 min T=44°C  
90 min T=44°C  
120 min T=44°C  
Continuous T=44°C  
Heating-up time T=44°C  
30 min T=50°C  
60 min T=50°C  
90 min T=50°C  
120 min T=50°C  
Continuous T=50°C  
Heating-up time T=50°C  
30 min T=55°C  
60 min T=55°C  
90 min T=55°C  
120 min T=55°C  
Continuous T=55°C  
Heating-up time T=55°C  
l
l
l
l
457  
755  
1053  
1350  
595  
22  
402  
664  
926  
1188  
524  
25  
366  
604  
842  
1080  
476  
27  
642  
961  
1280  
1599  
638  
35  
565  
846  
1126  
1407  
562  
39  
513  
769  
1024  
1279  
511  
43  
784  
1261  
1738  
2215  
954  
23  
690  
1110  
1530  
1950  
840  
26  
627  
1009  
1391  
1772  
763  
897  
1461  
2043  
2625  
1164  
19  
1139  
1939  
2737  
3540  
1601  
17  
1002  
1706  
2411  
3115  
1409  
20  
1296  
2270  
3245  
4220  
1950  
14  
1140  
1998  
2856  
3714  
1716  
16  
1036  
1816  
2596  
3376  
1560  
18  
l/h  
min  
l
l
l
l
l/h  
min  
l
l
l
l
773  
1286  
1798  
2310  
1025  
22  
703  
911  
1169  
1634  
2100  
932  
1551  
2191  
2832  
1281  
22  
l/h  
min  
29  
24  
Electrical data  
Power consumption  
Power supply  
W
VAC/Hz  
275  
275  
275  
275  
600  
690  
230(-15% / +10 % VAC)  
General  
Fan rotational speed at ignition  
Working speed fan  
Pressure differential  
Diameter of air restrictor  
Anodes  
r.p.m.  
r.p.m.  
Pa  
mm  
-
4500  
5000  
635/605  
23  
4500  
5400  
855/825  
23  
4500  
6000  
885/855  
4500  
6660  
1085/1055  
2790  
5100  
1005/975  
36  
2-electric  
3120  
5700  
1145/1115  
38  
2-electric  
28  
4
29  
4
4
4
Maximum working pressure  
bar  
8
Shipping data  
Empty weight  
Max. weight  
kg  
kg  
177  
394  
214  
582  
214  
582  
214  
582  
480  
940  
480  
940  
Weight incl. packaging  
Width packaging  
Height packaging  
Depth packaging  
kg  
197  
870  
1550  
950  
234  
870  
2080  
950  
234  
870  
2080  
950  
234  
870  
2080  
950  
491  
920  
2060  
1020  
491  
920  
2060  
1020  
mm  
mm  
mm  
SGS  
Dimensions SGS 28-60  
A
C
D
E
1485  
490  
705  
2005  
490  
705  
2005  
490  
705  
2005  
490  
705  
925  
925  
925  
925  
F
850  
850  
850  
850  
G
H
80/125  
1460  
100/150  
2000  
265  
100/150  
2000  
265  
100/150  
2000  
265  
Hx 265  
Hy 375  
375  
375  
375  
K
M
N
1365  
265  
1485  
1895  
255  
2005  
205  
1895  
255  
2005  
205  
1895  
255  
2005  
205  
Ny 205  
P
R
S
265  
180  
995  
270  
170  
1505  
240  
270  
170  
1505  
240  
270  
170  
1505  
240  
W 220  
1
2
3
4
5
6
7
Cold water connection  
Hot water connection  
Gas valve connection  
Drain valve connection  
Temperature and pressure valve  
Inspection flange  
R11/2  
R11/2  
Rp3/4  
3/4  
1 / 11.5 NPT  
95x70  
Ø40 (SGS 28)  
Rp1 (SGS 30-60)  
Condensate drain  
On all SGS units 3 year warrranty is appliccable on the tank  
and 1 year on all parts.  
Solar  
control  
Storage  
Tank  
SGS  
SGS  
Dimensions SGS 80-100  
A
C
2060  
530  
2060  
530  
D
E
F
850  
1000  
900  
850  
1000  
900  
G
H
Hx  
Hy  
K
M
N
Ny  
P
130/200  
2015  
310  
440  
1855  
225  
2060  
205  
290  
130/200  
2015  
310  
440  
1855  
225  
2060  
205  
290  
R
225  
225  
S
W
1425  
240  
1425  
240  
1
2
3
4
5
6
7
Cold water connection  
Hot water connection  
Gas valve connection  
Drain valve connection  
Temperature and pressure valve  
Inspection flange  
R11/2  
R11/2  
Rp3/4  
3/4  
1 / 11.5 NPT  
95x70  
Rp1  
Condensate drain  
On all SGS units 3 year warrranty is appliccable on the tank  
and 1 year on all parts.  
Solar  
control  
Storage  
Tank  
SGS  
SGS  
Installation diagrams  
Vented  
1
2
3
4
5
6
9
Pressure reduce valve  
Inlet security group  
Temperature and pressure valve  
Stop valve  
Non-return valve  
Circulation pump  
Drain valve  
10 Gas cock  
11 Isolating valve  
12 Temperature gauge  
13 Condense drain  
14 Hot water outlets  
16 Expansion vessel  
17 Three way valve  
18 Water cistern  
19 Float valve  
23 Over pressure security group  
26 Air bleed  
37 Flowmeter  
38 Pompmodule solar  
S1 T-collector  
Unvented  
S2 T-tank  
S3 T-top tank  
S4 T-return solar  
A
B
C
D
E
Cold water supply  
Hot water outlet  
Circulation pipe  
Gas supply  
Water overflow  
Coil inlet  
F
G
H
Coil outlet  
Expansion pipe  
SGS  
Electrical diagram SGS 28-60  
CoMPonEnTS ConTrollEr  
CoMPonEnTS Solar ConTrollEr  
AA Controller  
BB Pump solar system (ON / OFF)  
CC Pumps solar system (modulating)  
DD Temperature sensor  
A
B
C
D
E
Controller  
Ionisation rod  
Glow ignitor  
Gas control  
Burner earth connection  
Extra ON-mode switch  
Continuous pump  
Program controlled pump  
Extra error signal  
Isolating transformer  
Double-pole mains switch  
On/Off switch control  
Display  
(S1 - solar collector)  
F
EE Temperature sensor (S2 - tank)  
FF Q/T-measuring (incl. temperature-  
sensor S4 - return solar collector)  
GG Controller (BUS-link)  
G
H
J
K
L
M
N
O
P
HH Temperature sensor  
(S3 - top tank)  
F2 Fuse  
Fan  
Temperature sensor  
(T2 - bottom of tank)  
Dummy  
ConnECTionS Solar ConTrollEr  
1
Q
2
3
4
5
L
N
-
-
-
Power supply  
R
Temperature sensor  
(T1 - top of tank)  
Selection resistor  
Pressure switch  
n.a.  
n.a.  
n.a.  
S
T
U
6
Controller solarsystem (BUS-link)  
7
8
9
10  
Pump solar system  
(ON / OFF)  
L1  
N
N
F1 Fuse  
F3 Fuse  
11 L2  
Pump solar system  
ConnECTionS Main ConTrollEr  
12  
13  
14  
15  
16  
17  
18  
19  
20  
-
(modulating)  
1
2
3
X5  
X6  
-
BUS-link  
-
-
-
-
-
-
-
1
2
3
4
1
2
n.a.  
n.a.  
n.a.  
n.a.  
n.a.  
n.a.  
n.a.  
n.a.  
n.a.  
n.a.  
4
-
5
6
X3  
X4  
External ON / OFF  
7
8
9
10  
L5  
N
N
Continuous pump  
n.a.  
n.a.  
n.a.  
J3  
11 L4  
12  
Program controlled pump  
13 X2  
14 X1  
15  
Power supply 5V  
Sensor return  
solar collector (S4)  
Earth  
Flow signal  
n.a.  
Extra error signal  
J12  
16  
17 L2  
18  
N
3
4
1
2
3
4
1
2
3
4
1
2
1
2
1
2
3
Isolating transformer  
(primary side)  
19  
20 L3  
21  
N
Sensor solar collector (S1)  
n.a.  
Isolating transformer  
(secundary side)  
J13  
J14  
Sensor solar collector (S1)  
Sensor top tank (S3)  
Sensor tank (S2)  
Sensor top tank (S3)  
Sensor tank (S2)  
n.a.  
22  
23 L1  
Power supply  
24  
N
J15  
J16  
n.a.  
BUS-link  
n.a.  
n.a.  
n.a.  
J17  
SGS  
Electrical diagram SGS 80-100  
CoMPonEnTS ConTrollEr  
CoMPonEnTS Solar ConTrollEr  
AA Control  
BB Pump solar system (ON / OFF)  
CC Pump solar system (modulating)  
DD Temperature sensor  
A
B
C
D
E
Control  
Ionisation rod  
Glow ignitor  
Gas control  
Burner earth connection  
Program controlled pump  
Continuous pump  
Extra error signal  
Isolating transformer  
Double-pole mains switch  
ON / OFF switch control  
Display  
(S1 - solarcollector)  
F
EE Temperature sensor (S2 - tank)  
FF Q/T-measuring (incl. temperature  
sensor S4 - return solar collector)  
GG Control (BUS-link)  
G
H
J
K
L
M
N
O
HH Temperature sensor  
(S3 - top tank)  
Fan  
F2 Fuse  
Temperature sensor  
(T2 - bottom of tank)  
Dummy  
ConnECTionS Solar ConTrollEr  
P
1
Q
Temperature sensor  
(T1 - top of tank)  
Selection resistor  
Pressure switch  
2
3
4
5
L
N
-
-
-
Power supply  
R
S
T
n.a  
n.a  
n.a  
Potentiostat  
6
U
V
W
X
Y
Z
Frequency controller  
RS-485 interface  
Electric anodes  
Signaling for electric anodes  
Mains choke and EMC-filter  
Solar control system (BUS-link)  
7
8
9
10  
Pump solar system  
(ON / OFF)  
L1  
N
N
11 L2  
Pump solar system  
(modulating)  
12  
13  
14  
15  
16  
17  
18  
19  
20  
-
F1 Fuse  
F3 Fuse  
-
-
-
-
-
-
-
1
2
3
4
1
2
n.a  
n.a  
n.a  
n.a  
n.a  
n.a  
n.a  
n.a  
ConnECTionS Main ConTrollEr  
1
2
3
4
5
6
7
8
9
X5  
X6  
L5  
N
BUS-link  
Potentiostat  
n.a  
n.a  
n.a  
J3  
L4  
N
X3  
X4  
N
Frequency controller  
External ON / OFF  
Power supply 5V  
Sensor return  
solar collector (S4)  
Earth  
Flow signal  
n.a  
10  
11 L3  
12  
13 X1  
14 X2  
15  
16  
17 L2  
18  
19  
20 L1  
21  
J12  
Program controlled pump  
3
4
1
2
3
4
1
2
3
4
1
2
1
2
1
2
3
Extra error signal  
Sensor solar collector (S1)  
n.a  
J13  
J14  
N
Sensor solar collector (S1)  
Sensor top tank (S3)  
Sensor tank (S2)  
Sensor top tank (S3)  
Sensor tank (S2)  
n.a  
Isolating transformer  
(primary side)  
N
Isolating transformer  
(secundary side)  
J15  
J16  
22  
23  
24  
n.a  
L
Power supply  
BUS-link  
N
n.a  
n.a  
n.a  
J17  
Flue systems SGS  
A SGS water heater should be installed according category B23,  
C13, C33, C43 or C53*.  
Installation options  
C13  
Concentric  
Diameter (mm)  
Max. length (m)  
Max. 45/90° bends  
80/125  
100/150 100/150 100/150 130/200 130/200  
40  
7
40  
7
40  
7
15  
4
15  
3
15  
3
B23  
Parallel (standard diameter)  
Diameter (mm)  
Max. length (m)  
80  
25  
100  
80  
100  
45  
100  
25  
130  
115  
2,4  
130  
60  
L
L
/bend 90° (m) 3,9  
equivalent  
/bend 45º (m) 1,1  
equivalent  
4,6  
1,2  
4,6  
1,2  
4,6  
1,2  
2,4  
1,4  
1,4  
Parallel (larger diameter for more length)  
Diameter (mm)  
Max. length (m)  
100  
100  
130  
100  
2,4  
130  
100  
2,4  
130  
100  
2,4  
150  
100  
2,6  
150  
100  
2,6  
C33  
L
L
/bend 90º (m) 4,6  
equivalent  
equivalent  
/bend 45º (m) 1,2  
1,4  
1,4  
1,4  
1,6  
1,6  
*
All SGS are also approved for installations where the unit is supplied  
without venting materials (C63).  
Concentric flues  
It is not permitted to use more than the specified number of  
bends, even when the duct is shorter than the maximum  
length. A 45° bend is equivalent to a 90° bend.  
Parallel flues  
- The maximum permissible length should be reduced by the  
equivalent length of each bend. (Note: for a parallel installation  
this means that 3 changes in direction amount to 6 bends  
(3 in the supply duct and 3 in the flue).  
- The maximum length also applies if a parallel installation has  
different supply and flue duct lengths (B23, C53).  
- Combined flues (C43) shall be fitted with a condensate drain.  
C53  
C43  
Note: horizontal flue runs must be installed with a fall of at least  
5 mm per metre.  
Flue systems SGS  
Minimum space requirements  
Y
Ø80/125 Ø100/150 Ø100/150 Ø100/150 Ø130/200 Ø130/200  
SGS 28-60  
W
Minimal space for wall duct (mm)  
V
V
550  
550  
550  
550  
640  
640  
V
Y
W
W
X
725  
790  
790  
790  
940  
940  
1630  
1460  
1010  
2170  
1480  
1030  
2170  
1480  
1030  
2170  
1480  
1030  
2230  
1620  
1170  
2230  
1620  
1170  
Y
Y *  
X
X
Minimal space for roof duct (mm)  
V
1305  
680  
1500  
1035  
3420  
2470  
1415  
465  
1500  
1035  
3420  
2470  
1415  
465  
1500  
1035  
3420  
2470  
1415  
465  
1730  
1120  
3620  
2670  
1560  
610  
1730  
1120  
3620  
2670  
1560  
610  
W
X
3060  
2110  
1575  
625  
SGS 80-100  
Y
X **  
Y
Z
T
Y **  
Y
V
W
For the parts numbers of components and flue gas ducts, etc.  
please refer to the “Maintenance and accessories” chapter.  
X
X
*
Distance without concentric pipe between bend and wall duct.  
** Distance without concentric pipe between appliance and roof duct.  

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