Appendix
0020235301_03 uniSTOR Installation and maintenance instructions
19
VIH SW GB 500
BES
Pressure of the pressure reducer
0.35 MPa
(3.50 bar)
Opening pressure in the expansion relief valve
0.6 MPa
(6.0 bar)
Temperature and pressure expansion relief valve
0.7 MPa
(7.0 bar)
Temperature and pressure expansion relief valve
90
℃
Load pressure in the expansion vessel
0.3 MPa
(3.0 bar)
Maximum temperature of the heating circuit
95
℃
Maximum domestic hot water temperature
85
℃
Heat loss (24 h), energy efficiency class: C
2.57 kW
Post-heating time in accordance with EN 12897
(heating circuit)
19.75 min
Post-heating time 70% (heating circuit)
13.83 min
Post-heating output (heating circuit)
35.0 kW
Reheating time (solar circuit)
70 min
Reheating time 70% (solar circuit)
35 min
Post-heating output (solar circuit)
19.2 kW
Flow rate
900 l/h
Pressure loss in the heat exchanger (heating
circuit)
10 mbar
Volume of the heat exchanger (heating circuit)
23 l
Volume of the heat exchanger (solar circuit)
8 l
Surface of the heat exchanger (heating circuit)
2.3 m
²
Surface of the heat exchanger (solar circuit)
1.0 m
²
Pressure loss in the heat exchanger (solar cir-
cuit)
10 mbar
Volume of the expansion vessel
50 l
Tilt dimension
1,930 mm
Net weight
149 kg
Weight including heating water and domestic hot
water
690.4 kg
Technical data
–
Hydraulic connection
VIH SW GB 500
BES
Cold water inlet
1 1/2"
Hot water outlet
1 1/2"
Heat generator heating flow
1"
Heat generator heating return
1"
Solar circuit heating flow
1"
Solar circuit heating return
1"
Temperature dry pocket
8 mm
Immersion heater diameter
1 1/4"
Secondary circuit return
3/4"
Technical data
–
Electrics
VIH SW GB 500
BES
Connecting the immersion heater to the power
supply
230 V / 50 Hz
Immersion heater power
5 kW
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