Appendix
0020221297_05 uniSTOR Installation and maintenance instructions
17
VIH GB
120/3 BES
VIH GB
150/3 BES
VIH GB
180/3 BES
VIH GB
200/3 BES
VIH GB
250/3 BES
VIH GB
300/3 BES
Temperature and pressure expansion
relief valve
0.7 MPa
(7.0 bar)
0.7 MPa
(7.0 bar)
0.7 MPa
(7.0 bar)
0.7 MPa
(7.0 bar)
0.7 MPa
(7.0 bar)
0.7 MPa
(7.0 bar)
Temperature and pressure expansion
relief valve
90
℃
90
℃
90
℃
90
℃
90
℃
90
℃
Load pressure in the expansion ves-
sel
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
Maximum temperature of the heating
circuit
95
℃
95
℃
95
℃
95
℃
95
℃
95
℃
Maximum domestic hot water temper-
ature
85
℃
85
℃
85
℃
85
℃
85
℃
85
℃
Heat loss (24 hrs)
0.83 kWh
0.86 kWh
1.11 kWh
1.22 kWh
1.41 kWh
1.59 kWh
Reheating time
20.42 min
26.60 min
29.58 min
31.61 min
43.34 min
48.50 min
Reheating time (70%)
14.29 min
18.62 min
20.71 min
22.13 min
30.34 min
33.95 min
Reheating output
15.8 kW
17.2 kW
17.1 kW
16.9 kW
16.6 kW
16.5 kW
Flow rate
900 l/h
900 l/h
900 l/h
900 l/h
900 l/h
900 l/h
Pressure loss in the primary heat ex-
changer
50 mbar
50 mbar
50 mbar
50 mbar
50 mbar
50 mbar
Volume of the heat exchanger
3.7 l
3.7 l
4.4 l
4.4 l
4.4 l
4.4 l
Surface of the heat exchanger
0.69 m
²
0.69 m
²
0.80 m
²
0.80 m
²
0.80 m
²
0.80 m
²
Volume of the expansion vessel
12 l
12 l
18 l
18 l
25 l
25 l
Tilt dimension
1,020 mm
1,150 mm
1,300 mm
1,390 mm
1,640 mm
1,840 mm
Net weight
30.0 kg
35.0 kg
39.0 kg
42.0 kg
48.0 kg
54.0 kg
Weight including heating water and
domestic hot water
148.5 kg
183.6 kg
218.6 kg
240.4 kg
297.2 kg
342.7 kg
Technical data
–
Hydraulic connection
VIH GB
120/3 BES
VIH GB
150/3 BES
VIH GB
180/3 BES
VIH GB
200/3 BES
VIH GB
250/3 BES
VIH GB
300/3 BES
Cold water inlet
0.75 in
0.75 in
0.75 in
0.75 in
0.75 in
0.75 in
Domestic hot water outlet
0.75 in
0.75 in
0.75 in
0.75 in
0.75 in
0.75 in
Heat generator heating flow
0.75 in
0.75 in
0.75 in
0.75 in
0.75 in
0.75 in
Heat generator heating return
0.75 in
0.75 in
0.75 in
0.75 in
0.75 in
0.75 in
Temperature dry pocket
8 mm
8 mm
8 mm
8 mm
8 mm
8 mm
Immersion heater diameter
1 1/4 in
1 1/4 in
1 1/4 in
1 1/4 in
1 1/4 in
1 1/4 in
Technical data
–
Electrics
VIH GB
120/3 BES
VIH GB
150/3 BES
VIH GB
180/3 BES
VIH GB
200/3 BES
VIH GB
250/3 BES
VIH GB
300/3 BES
Connecting the immersion heater to
the power supply
230 V /
50 Hz
230 V /
50 Hz
230 V /
50 Hz
230 V /
50 Hz
230 V /
50 Hz
230 V /
50 Hz
Immersion heater power
2.8 kW
2.8 kW
2.8 kW
2.8 kW
2.8 kW
2.8 kW
2-port motorised valve
230/240 V,
50Hz
230/240 V,
50Hz
230/240 V,
50Hz
230/240 V,
50Hz
230/240 V,
50Hz
230/240 V,
50Hz
Thermostat
230/240 V,
50Hz
230/240 V,
50Hz
230/240 V,
50Hz
230/240 V,
50Hz
230/240 V,
50Hz
230/240 V,
50Hz
IP rating
21
21
21
21
21
21
Technical data
–
Material
VIH GB
120/3 BES
VIH GB
150/3 BES
VIH GB
180/3 BES
VIH GB
200/3 BES
VIH GB
250/3 BES
VIH GB
300/3 BES
Cylinder material
Stainless
steel
(1.4521)
Stainless
steel
(1.4521)
Stainless
steel
(1.4521)
Stainless
steel
(1.4521)
Stainless
steel
(1.4521)
Stainless
steel
(1.4521)
Insulation material
Polyurethane
Polyurethane
Polyurethane
Polyurethane
Polyurethane
Polyurethane
Insulation thickness
50 mm
50 mm
50 mm
50 mm
50 mm
50 mm