- 26 -
INST
ALLA
TION
TECHNICAL INFORMATION
Technical data Activ A 25S
4.6
Heat input
Nominal net
(A)
kW 25,0
BTU/h
85297
Nominal gross
(B)
kW 27,8
BTU/h
94679
Minimun net
(A)
kW 6,4
BTU/h
21836
Minimun gross
(B)
kW 7,1
BTU/h
24238
Useful output
Maximun
kW 24,5
BTU/h
83591
Minimun
kW 6,3
BTU/h
21495
Maximun condensing
kW 25,6
BTU/h
87344
Minimun condensing
kW 6,8
BTU/h
23201
Central heating
Min/Max fl ow temperature
settings*
°C
25 - 85
Maximum pressure
kPa
250
bar
2,5
Minimum pressure
kPa
30
bar
0,3
Available head (in 1000 l/h)
kPa
33
bar
0,33
Seasonal effi ency G20 (c)
band
A
%
90,2
Seasonal effi ency G31 (c)
band
A
%
91,2
* 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
Pa
mbar
Natural G20
Nom
2000
20
Min
1700
17
Max
2500
25
Propane G31
Nom
3700
37
Min
2500
25
Max
4500
45