A.O. Smith SGS - 28 Specification Sheet
Condensing high efficiency gas-solar water heater
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Also See for SGS - 28:
- Installation, user and service manual (121 pages) ,
- Installation, user and service manual (126 pages)
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Solar
control
Storage
SGS
Tank
SGS
Condensing High Efficiency
Gas-Solar Water Heater
SGS - 28/30/50/60/80/100
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
Innovation has a name.
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Table of Contents
Related Manuals for A.O. Smith SGS - 28
Summary of Contents for A.O. Smith SGS - 28
- Page 1 Storage Tank Condensing High Efficiency Gas-Solar Water Heater SGS - 28/30/50/60/80/100 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 •...
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Page 2: Technical Specifications
Technical specifications Gas data natural gas 2H (G20) Input* Output Inlet pressure mbar Burner pressure mbar Gas consumption ** Diameter injector Max. flue gas temperature °C Flue gas discharge kg/h Gas data butane gas 3+ G30 Input* Output Inlet pressure mbar Burner pressure mbar... - Page 3 Dimensions SGS 28-60 1485 2005 2005 2005 80/125 100/150 100/150 100/150 1460 2000 2000 2000 Hx 265 Hy 375 1365 1895 1895 1895 M 265 1485 2005 2005 2005 Ny 205 1505 1505 1505 W 220 Cold water connection Hot water connection Gas valve connection Drain valve connection Temperature and pressure valve...
- Page 4 Dimensions SGS 80-100 2060 2060 1000 1000 130/200 130/200 2015 2015 1855 1855 2060 2060 1425 1425 Cold water connection Hot water connection Gas valve connection Drain valve connection Temperature and pressure valve 1 / 11.5 NPT Inspection flange 95x70 Condensate drain On all SGS units 3 year warrranty is appliccable on the tank and 1 year on all parts.
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Page 5: Installation Diagrams
Installation diagrams Vented Unvented 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... - Page 6 Electrical diagram SGS 28-60 CoMPonEnTS ConTrollEr CoMPonEnTS Solar ConTrollEr Controller AA Controller Pump solar system (ON / OFF) Ionisation rod Glow ignitor Pumps solar system (modulating) Gas control DD Temperature sensor Burner earth connection (S1 - solar collector) Temperature sensor (S2 - tank) Extra ON-mode switch Continuous pump Q/T-measuring (incl.
- Page 7 Electrical diagram SGS 80-100 CoMPonEnTS ConTrollEr CoMPonEnTS Solar ConTrollEr Control AA Control Pump solar system (ON / OFF) Ionisation rod Glow ignitor Pump solar system (modulating) Gas control DD Temperature sensor Burner earth connection (S1 - solarcollector) Temperature sensor (S2 - tank) Program controlled pump Continuous pump Q/T-measuring (incl.
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Page 8: Installation Options
Flue systems SGS Installation options Flue systems SGS Minimum space requirements SGS 28-60 SGS 80-100 www.aosmithinternational.com A SGS water heater should be installed according category B23, C13, C33, C43 or C53*. Concentric Diameter (mm) Max. length (m) Max. 45/90° bends Parallel (standard diameter) Diameter (mm) Max.