0020308118_05 Installation and maintenance instructions 9
3 Technical data
During initial start-up, the operating data may initially deviate from the specified nominal data.
Technical data – General
VU 10 VU 15 VU 20
Designated country (designation in accordance with
ISO 3166)
GB, IE GB, IE GB, IE
Permitted gas boiler category (depending on the unit version)
II
2H3P
II
2H3P
II
2H3P
CE PIN
0063CU3910 0063CU3910 0063CU3910
UKCA PIN
0063CU3910 0063CU3910 0063CU3910
Gas connection, boiler side
15 mm 15 mm 15 mm
Flow/return heating connections, boiler side
G 3/4 ″ G 3/4 ″ G 3/4 ″
Flow/return cylinder connections, boiler side
– – –
Domestic hot/cold water connections, boiler side
– – –
Expansion relief valve connection
15 mm 15 mm 15 mm
Condensate discharge hose connection
19 mm 19 mm 19 mm
Air/flue pipe connection
60/100 mm 60/100 mm 60/100 mm
Capacity of the heating expansion vessel
10 l 10 l 10 l
Pre-charge pressure of the heating expansion vessel
70 kPa
(700 mbar)
70 kPa
(700 mbar)
70 kPa
(700 mbar)
Min. flue gas temperature
35 ℃ 35 ℃ 35 ℃
Max. flue gas temperature
85 ℃ 85 ℃ 85 ℃
Approved gas boiler types
C13, C33, C43,
C53
C13, C33, C43,
C53
C13, C33, C43,
C53
NOx class
6 6 6
SAP 2009/2012 annual efficiency (%)
– – –
Weight with packaging (incl. accessories)
37 kg 37 kg 37 kg
Weight (without packaging, without water)
34 kg 34 kg 34 kg
Weight ready for operation (filled)
37 kg 37 kg 37 kg
VU 25 VU 30 VU 35
Designated country (designation in accordance with
ISO 3166)
GB, IE GB, IE GB, IE
Permitted gas boiler category (depending on the unit version)
II
2H3P
II
2H3P
I
2H
CE PIN
0063CU3910 0063CU3910 0063CU3910
UKCA PIN
0063CU3910 0063CU3910 0063CU3910
Gas connection, boiler side
15 mm 15 mm 15 mm
Flow/return heating connections, boiler side
G 3/4 ″ G 3/4 ″ G 3/4 ″
Flow/return cylinder connections, boiler side
– – –
Domestic hot/cold water connections, boiler side
– – –
Expansion relief valve connection
15 mm 15 mm 15 mm
Condensate discharge hose connection
19 mm 19 mm 19 mm
Air/flue pipe connection
60/100 mm 60/100 mm 60/100 mm
Capacity of the heating expansion vessel
10 l 10 l 10 l
Pre-charge pressure of the heating expansion vessel
70 kPa
(700 mbar)
70 kPa
(700 mbar)
70 kPa
(700 mbar)
Min. flue gas temperature
35 ℃ 35 ℃ 35 ℃
Max. flue gas temperature
85 ℃ 85 ℃ 85 ℃
Approved gas boiler types
C13, C33, C43,
C53
C13, C33, C43,
C53
C13, C33, C43,
C53
NOx class
6 6 6
SAP 2009/2012 annual efficiency (%)
– – –
Weight with packaging (incl. accessories)
39 kg 39 kg 41 kg
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