Technical Data Activ A 25S - Biasi Activ A 18S User Manual And Installation Instructions

4.6

Technical data Activ A 25S

Heat input
Nominal net (A)
Nominal gross (B)
(A)
Minimun net
Minimun gross (B)
Useful output
Maximun
Minimun
Maximun condensing
Minimun condensing
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TECHNICAL INFORMATION
kW 25,0
BTU/h 85297
kW 27,8
BTU/h 94679
kW 6,4
BTU/h 21836
kW 7,1
BTU/h 24238
kW 24,5
BTU/h 83591
kW 6,3
BTU/h 21495
kW 25,6
BTU/h 87344
kW 6,8
BTU/h 23201
Central heating
Min/Max fl ow temperature
settings*
Maximum pressure
Minimum pressure
Available head (in 1000 l/h)
Seasonal effi ency G20 (c)
Seasonal effi ency G31 (c)
* to the minimum useful output
(A) referred to the net calorifi c value at 15 °C and
1013,25 mbar: G20 = 34,02 MJ/m3 - G31 = 46,34 MJ/
kg
(B)
referred to the gross calorifi c value at 15 °C and
1013,25 mbar: G20 = 37,78 MJ/m3 - G31 = 50,37 MJ/
kg
(C) The value is used in the UK Government's Standard
Assessment Procedure (SAP) for energy rating
of dwellings. The test data from which it has been
calculated have been certifi ed by a notifi ed body.
(D) Values subject to tolerance
Gas supply pressures
Gas
Natural G20
Propane G31
°C 25 - 85
kPa 250
bar 2,5
kPa 30
bar 0,3
kPa 33
bar 0,33
band A
% 90,2
band A
% 91,2
Pa mbar
Nom 2000 20
Min 1700 17
Max 2500 25
Nom 3700 37
Min 2500 25
Max 4500 45