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INST
ALLA
TION
TECHNICAL INFORMATION
4.3
Technical data ADVANCE 25C
Heat input
Nominal net
(A)
central heating
kW
21,0
BTU/h 71655
Nominal net
(A)
domestic hot water
kW
26,0
BTU/h 88716
Nominal gross
(B)
central heating
kW
23,3
BTU/h 79537
Nominal gross
(B)
domestic hot water
kW
28,9
BTU/h 98474
Minimum net
(A)
C.H. - D.H.W.
kW
5,1
BTU/h 17402
Minimum gross
(B)
C.H. - D.H.W.
kW
5,7
BTU/h 19316
Useful output
Maximum (central heating)
kW
20,3
BTU/h 69266
Maximum (domestic hot water)
kW
25,1
BTU/h
85645
Minimum (C.H. - D.H.W.)
kW
4,8
BTU/h 16378
Maximum condensing (central heating)
kW
22,4
BTU/h 76432
Maximum condensing (domestic hot
water)
kW
27,8
BTU/h 94857
Minimum condensing (C.H. - D.H.W.)
kW
5,3
BTU/h 18084
Central heating
Min/Max flow temperature settings*
°C
25 -80
Maximum pressure
kPa
250
bar
2,5
Minimum pressure
kPa
30
bar
0,3
Available head (in 1000 l/h)
kPa
37,0
bar
0,37
Seasonal efficiency G20
(c)
%
88,5
Seasonal efficiency G31
(c)
%
90,5
* to the minimum useful output
(A)
referred to the net calorific value at 15 °C and
1013,25 mbar: G20 = 34,02 MJ/m
3
- G31 = 46,34 MJ/
kg
(B)
referred to the gross calorific value at 15 °C and
1013,25 mbar: G20 = 37,78 MJ/m
3
- 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 calcu
-
lated have been certified by a notified body.
(D)
Values subject to tolerance
Domestic hot water
Min/Max temperature settings
°C
35 - 60
Maximum pressure
kPa
1000
bar
10
Minimum pressure
kPa
30
bar
0,3
Flow rate minimun
l/min
2,5
Flow rate 30° rise
(D)
l/min
12,0
Flow rate 35° rise
(D)
l/min
10,3
Flow rate 40° rise
(D)
l/min
9,0
Содержание ADVANCE 25C
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