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Manual - 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