Technical data

25Manual - Solar hot water systems
5.1.2 Technical data of the auroSTOR solar cylinder
Entry Unit VIH S GB 200 S VIH S GB 250 S VIH S GB 300 S
Cylinder:
Size l 200 250 300
Maximum water supply pressure bar 10
Operating pressure bar 3.5
Pressure limiting valve bar 3.5
Expansion relief valve bar 6.0
Hot water expansion vessel admission pressure bar 4.0
Temperature and pressure relief valve °C/bar 95 / 7.0
Net weight kg 39 44 49
Weight (full) kg 245 310 340
Height mm 1499 1789 2109
Cylinder connections:
Cold water supply 22 mm pressure pipe
Hot water connection 22 mm pressure pipe
Pressure-controlled cold water outlet 22 mm pressure pipe
Secondary return Inches G 3/4
Flow (boiler/solar circuit) 22 mm pressure pipe
Return (boiler/solar circuit) 22 mm pressure pipe
Electrical connections:
3 kW immersion heater (according to ENBS 60335) 230/240 V, 50 Hz
Length of the immersion heater mm 430
Motorised 2 port valve 230/240 V, 50 Hz
Cylinder thermostat 230/240 V, 50 Hz
Thermal cut out for solar pump 230/240 V, 50 Hz
Heating coil:
Heat loss kW/24 h 1.9 2.1 2.4
Heat up time (boiler part) mins 21 26 30
Recovery (boiler part) mins 13 16 21
Table 5.4 Technical data of the auroSTOR solar cylinder
h
Note!
The heat-up time is based on a primary flow
rate of 9 l/min at 80 °C.
Temperature rise from 15 °C to 65 °C
Installation 5