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

4.5

Technical data Activ A 18S

Heat input
(A)
Nominal net
Nominal gross (B)
Minimun net (A)
(B)
Minimun gross
Useful output
Maximun
Minimun
Maximun condensing
Minimun condensing
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TECHNICAL INFORMATION
kW 18,0
BTU/h 61413
kW 20,0
BTU/h 68169
kW 5,9
BTU/h 20130
kW 6,5
BTU/h 22344
kW 17,6
BTU/h 60049
kW 5,7
BTU/h 19448
kW 18,5
BTU/h 63119
kW 6,3
BTU/h 21495
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 30
bar 0,3
band A
% 90,3
band A
% 91,3
Pa mbar
Nom 2000 20
Min 1700 17
Max 2500 25
Nom 3700 37
Min 2500 25
Max 4500 45