Appendix
0020290840_00 aroSTOR Installation and maintenance instructions
31
aroSTOR VWL BM 200/5
aroSTOR VWL BM 270/5
Refrigerant type
R 290
R 290
Refrigerant volume for complete filling
0.15 kg
0.15 kg
Max. overpressure in the heat pump
2.5 MPa
(25.0 bar)
2.5 MPa
(25.0 bar)
Max. low pressure in the heat pump
1.5 MPa
(15.0 bar)
1.5 MPa
(15.0 bar)
Permitted air temperature
−
7 to 35
℃
−
7 to 35
℃
Max. air flow
400 m
³
/h
400 m
³
/h
Total length of the concentric air/flue pipe (piping laid in
a straight line without elbows)
10 m
10 m
Sound pressure level, LpA, in 1 m clearance (V1/V2)
40/43 dB
40/43 dB
Sound power level, LWA, in 1 m clearance (V1/V2)
50/52 dB
50/52 dB
Max. condensate flow rate
0.30 l/h
0.30 l/h
Nominal heat output of the heat pump (water temperat-
ure: 55 °C)
700 W
700 W
Nominal heat output of the heat pump (water temperat-
ure: 45 °C)
1,420 W
1,420 W
Coefficient of performance (COP
DHW
(outdoor air temper-
ature: 7 °C, extraction cycle: L)*
2.99
3.00
Maximum usable domestic hot water volume
max
(out-
door air temperature: 7 °C, extraction cycle: L)*
250.8 l
334.5 l
Reference domestic hot water temperature
Θ
’
WH
(outdoor
air temperature: 7 °C, extraction cycle: L)*
54.6
℃
53.7
℃
Heat-up time (environmental air temperature: 7 °C, ex-
traction cycle: L)*
6.57 h
9.26 h
Power consumption during standby periods P
es
(outdoor
air temperature: 7 °C, extraction cycle: L)*
25 W
27 W
Technical data
–
heat exchanger
aroSTOR VWL BM 200/5
aroSTOR VWL BM 270/5
Heat exchanger surface area
0.8 m
²
0.8 m
²
Heat output
20 kW
20 kW
Pressure loss
0.036 MPa
(0.360 bar)
0.036 MPa
(0.360 bar)
Flow rate quantity
2 m
³
/h
2 m
³
/h
Internal volume
3.9 l
3.9 l
Maximum possible cylinder temperature
70
℃
70
℃