8 Installation and maintenance instructions 0020308121_04
3 Technical data
Technical data – General
VUI 30/40
Designated country (designation in accordance
with ISO 3166)
GB, IE
Permitted gas boiler category (depending on the
unit version)
I
2H
CE PIN
0063CU3910
UKCA PIN
0063CU3910
Gas connection, boiler side
15 mm
Flow/return heating connections, boiler side
G 3/4 ″
Domestic hot/cold water connections, boiler side
G 3/4″
Expansion relief valve connection
15 mm
Condensate discharge hose connection
19 mm
Air/flue pipe connection
60/100 mm
Capacity of the heating expansion vessel
10 l
Pre-charge pressure of the heating expansion
vessel
70 kPa
(700 mbar)
DHW expansion vessel capacity
1.0 l
DHW expansion vessel pre-charge pressure
400 kPa
(4,000 mbar)
Min. flue gas temperature
35 ℃
Max. flue gas temperature
85 ℃
Approved gas boiler types
C13, C33, C43, C53
NOx class
6
SAP 2009/2012 annual efficiency (%)
–
Weight with packaging (incl. accessories)
66 kg
Weight (without packaging, without water)
60 kg
Weight, when unit is ready for operation
84 kg
Technical data – G20 output/heat input (depending on the unit version)
VUI 30/40
Gas connection pressure, G20 natural gas
2.0 kPa
(20.0 mbar)
NOx emission, weighted, G20 (EN 15502-2-1)
26.30 mg/kW⋅h
30% efficiency, G20
109.2 %
Gas flow rate for max. gas volume at 15 °C and
1013 mbar, G20
4.32 m³/h
Nominal heat output range at 40/30 °C
5.2 to 32.9 kW
Nominal heat output range at 50/30 °C
5.0 to 32.3 kW
Nominal heat output range at 60/40 °C
4.8 to 31.2 kW
Nominal heat output range at 80/60 °C
4.5 to 29.8 kW
Max. heat input for heating
30.6 kW
Heating min. heat input
4.8 kW
Min. flue gas mass flow rate
2.22 g/s
Max. flue gas mass flow rate
20.55 g/s
Max. DHW heat output
–
Domestic hot water nominal heat input
40.8 kW
Nominal heat input range for heating
4.8 to 30.6 kW
Heating adjustment range
4.8 to 30.6 kW
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