Vaillant uniSTOR VIH RW GB BES Series, Installation And Maintenance Instructions Manual

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Appendix
0020221300_04 uniSTOR HP Installation and maintenance instructions
17
C Technical data
Technical data
–
General
VIH RW GB
150 BES VIH RW GB
200 BES VIH RW GB
250 BES VIH RW GB
300 BES
Actual volumetric capacity 143.0 l 190.7 l 236.3 l 273.5 l
Hot water volumetric capa-
city in accordance with EN
12897 133.0 l 172.5 l 211.0 l 208.0 l
Maximum pressure of the
heating tube coil during op-
eration 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar)
Operating pressure 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar)
Maximum operating pressure 0.7 MPa
(7.0 bar) 0.7 MPa
(7.0 bar) 0.7 MPa
(7.0 bar) 0.7 MPa
(7.0 bar)
Pressure of the pressure
reducer 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar) 0.35 MPa
(3.50 bar)
Opening pressure in the ex-
pansion relief valve 0.6 MPa
(6.0 bar) 0.6 MPa
(6.0 bar) 0.6 MPa
(6.0 bar) 0.6 MPa
(6.0 bar)
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)
Temperature and pressure
expansion relief valve 90
℃
90
℃
90
℃
90
℃
Load pressure in the expan-
sion vessel 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
℃
Maximum domestic hot water
temperature 85
℃
85
℃
85
℃
85
℃
Heat loss (24 h), energy effi-
ciency class: C 1 kWh 1.22 kWh 1.41 kWh 1.59 kWh
Reheating time in accord-
ance with EN 12897
19.67 min 20.83 min 15.08 min 10.66 min
Reheating time (70%) 13.77 min 14.58 min 10.55 min 7.46 min
Reheating output 20.8 kW 26.0 kW 40.7 kW 52.5 kW
Flow rate 900 l/h 900 l/h 900 l/h 1,300 l/h
Pressure loss in the heat
exchanger 70 mbar 100 mbar 170 mbar 200 mbar
Volume of the heat
exchanger 5.6 l 7.7 l 12.92 l 15.20 l
Surface of the heat
exchanger 1.0 m
²
1.4 m
²
2.4 m
²
2.8 m
²
Volume of the expansion
vessel
12 l 18 l 25 l 25 l
Tilt measurement
1,150 mm 1,390 mm 1,640 mm 1,840 mm
Net weight 36.0 kg 45.0 kg 59.0 kg 67.5 kg
Weight including heating wa-
ter and domestic hot water 184.6 kg 243.4 kg 308.2 kg 356.2 kg
Technical data
–
Hydraulic connection
VIH RW GB
150 BES VIH RW GB
200 BES VIH RW GB
250 BES VIH RW GB
300 BES
Diameter of the cold water
supply pipe
3/4" 3/4" 3/4" 3/4"
Hot water outlet 3/4" 3/4" 3/4" 3/4"
Heat generator heating flow 3/4 3/4 3/4 3/4
Heat generator heating re-
turn 3/4 3/4 3/4 3/4