A.O. Smith SGS-28, Installation, User And Service Manual

Page: 107 / 126

Description Unit SGS 80 SGS 100 SGS 120
General
Contents litres 480 480 480
Empty Weight kg 40 5 40 5 40 5
Maximum floor load kg 885 885 885
Maximum operating pressure
(vented) kPa (bar) 800 (8) 800 (8) 800 (8)
Maximum operating pressure
(unvented) kPa (bar) 550 (5.5) 550 (5.5) 550 (5.5)
Control thermostat -
adjustment range °C 40...80 40...80 40...80
Control thermostat - default
value °C 65 65 65
Hysteresis downwards -
adjustment range °C 2...12 2...12 2...12
Hysteresis downwards -
default value °C 5 5 5
Solar differential - adjustment
range °C 0...8 0...8 0...8
Solar differential -
default value °C 5 5 5
Solar limit -
adjustment range °C 65...80 65...80 65...80
Solar limit -
default value °C 65 65 65
Number of (electrical) anodes - 2 2 2
Observed pressure differential
across the pressure switch Pa ³ 260 ³ 260 ³ 260
Pressure differential to open
the pressure switch Pa < 210 < 210 < 210
Heating time ΔT = 45 °C min. 18 15 12
Electrical
Electrical power consumption
of the appliance W 95 145 240
Electrical power consumption
of the solar controller W max. 700 max. 700 max. 700
Supply voltage
(-15%, +10% VAC) volts 230 230 230
Mains frequency ( ± 1Hz) Hz 50 50 50
IP class - IP 20 IP 20 IP 20
Description Unit Value
Maximum mains pressure of
cold water supply (vented) kPa (bar) 800 (8)
Maximum mains pressure of
cold water supply (unvented) kPa (bar) 550 (5.5)
0311753_SGS_28-120_II_UKUK_V2.0 , 2017-05-03 107