20
Instructions on commissioning, maintenance, and troubleshooting for auroSTOR 0020111119_02
4.3.3 Technical data of the auroSTOR solar cylinder
Unit
VIH S GB 210/2 S
VIH S GB 260/2 S
VIH S GB 310/2 S
Total capacity
litres
210
260
310
Actual capacity
litres
209,4
254,4
297,2
Hot water capacity (upper coil)
litres
104,8
142,0
144,2
Hot water capacity (solar coil)
litres
203,3
246,1
271,1
Dedicated solar volume
litres
104,6
112,4
153,0
Maximum supply pressure to pressure reducing valve
MPA (bar)
1,2 (12)
Rated pressure of cylinder
MPA (bar)
0,7 (7)
Maximum operating pressure of heating coil
MPA (bar)
0,35 (3,5)
Maximum operating pressure of solar coil
MPA (bar)
0,6 (6)
Operating pressure
MPA (bar)
0,35 (3,5)
Pressure limiting valve
MPA (bar)
0,35 (3,5)
Expansion relief valve
MPA (bar)
0,6 (6)
Temperature and pressure relief valve
°C,
MPA (bar)
90,
0,7 (7)
Charge pressure of hot water expansion vessel MPA (bar)
0,4 (4)
Maximum temperature of heating circuit
°C
85
Maximum temperature of potable hot water
°C
85
Maximum temperature of solar fluid
°C
85
Standing heat loss
kW/24 h
1,98
2,15
2,35
Heat up time according to EN 12897
mins
20
27
28
Recovery time (70% capacity)
mins
15
20
21
Primary heat exchanger performance
kW
16,7
16,5
16,0
Flow rate for primary heat exchanger performance
l/min
23,3
Primary heat exchanger pressure drop
mbar
79
78
79
Primary heat exchanger volume
Liter
2,37
Primary heat exchanger surface area
m
2
0,5
Heat up time according to EN 12897 (solar)
min
32
40
49
Solar heat exchanger performance
kW
19,7
19,5
17,2
Flow rate for solar heat exchanger output
l/min
23,3
Solar heat exchanger pressure drop
mbar
97
95
98
Solar heat exchanger volume
Liter
2,94
Solar heat exchanger surface area
m
2
0,62
Dimensions
Height
mm 1593 1843
2153
Height with hot water draw off
mm
1625
1875
2185
Topple measure
mm
1680
1918
2217
Diameter
mm
554,5
Depth
mm
633
Net weight
kg
40
43
50
Weight (full)
kg
249
298
347
Connections
Cold water inlet
22 mm unprofiled pipe (crimp joints)
Hot water draw off
22 mm unprofiled pipe (crimp joints)
Balanced pressure cold water outlet
22 mm unprofiled pipe (crimp joints)
Secondary return
15 mm unprofiled pipe (crimp joints)
Primary heater flow
22 mm unprofiled pipe (crimp joints)
Primary heater return
22 mm unprofiled pipe (crimp joints)
Solar flow
22 mm unprofiled pipe (crimp joints)
Solar return
22 mm unprofiled pipe (crimp joints)
Primary heating circuit cylinder dry pocket size
mm
8
Solar circuit cylinder dry pocket size
mm
8
Tab. 4.2 Technical data for auroSTOR solar cylinder
4 Description of the components