37
ENGLISH
DESCRIPTION
UM
EXCLUSIVE
25R
35R
G20
G31
G20
G31
Heating output
Air capacity
Nm
3
/h
21,496
21,926
36,447
37,228
Flue gas capacity
Nm
3
/h
23,302
23,322
39,456
39,555
Mass flue gas flow rate (max-min)
g/s
8,044-
1,671
8,221-
2,375
13,629-
2,205
13,946-
3,207
Domestic hot water capacity
Air capacity
Nm
3
/h
31,050
31,671
-
-
Flue gas capacity
Nm
3
/h
33,658
33,688
-
-
Mass flue gas flow rate (max-min)
g/s
11,619-
1,671
11,874-
2,375
-
-
Fan performance
Residual discharge head of concentric pipes 0.85 m
Pa
60
160
Residual discharge head of separate pipes 0.5 m
Pa
195
165
Residual discharge head of boiler without pipes
Pa
199
190
Concentric flue gas outlet pipes
Diameter
mm
60-100
60-100
Maximum length
m
10
8
Losses for a 45°/90° bend
m
1,3/1,6
1,3/1,6
Hole in wall (diameter)
mm
105
105
Concentric flue gas outlet pipes
Diameter
mm
80-125
80-125
Maximum length
m
25
20
Losses for a 45°/90° bend
m
1/1,5
1/1,5
Hole in wall (diameter)
mm
130
130
Twin flue gas outlet pipes
Diameter
mm
80
80
Maximum length
m
70 + 70
35 + 35
Losses for a 45°/90° bend
m
1/1,5
1/1,5
Forced open installation B23P-B53P
Diameter
mm
80
80
Maximum discharge tube length
m
125
60
Nox
class 6
class 6
Emission values at maximum and minimum output (**)
G20
G31
G20
G31
Maximum
CO s.a. less than
p.p.m.
140
150
220
220
CO
2
(***)
%
9,2
10,2
9,0
10,0
NOx s.a. lower than
p.p.m.
40
60
40
30
T
flue gases
°C
63
64
65
70
Minimum
CO s.a. less than
p.p.m.
10
15
20
40
CO
2
(***)
%
9,1
10,2
9,1
10,0
NOx s.a. lower than
p.p.m.
25
35
30
40
T
flue gases
°C
60
60
62
55
(*)
average value between various hot water operation conditions
(**) check performed with concentric pipe Ø 60-100, length 0.85 m. - water temperature 80-60°C.
(***) CO
2
tolerance= +0.6%/-1%.
The data indicated must not be used to certify the system; for certification, use the data indicated in the “System handbook” measured during first ignition.
(+) The installation of this product is allowed only in the destination Countries contained in the data plate, regardless of the present translation
language.
b
DHW functions refer only if a storage tank is connected (accessory available on request)
NOTE
(if the outdoor temperature sensor or the control panel, or even both devices, are present in the boiler)
With reference to the Delegated Regulation (EU) No. 811/2013, the information in the table can be used for completing the product data sheet and the labelling
for room heating appliances, for mixed heating appliances, for all those appliances for enclosed space heating, for temperature control devices and solar devices:
NOTE
NOTE
NOTE
OUTDOOR TEMPERATURE SENSOR
II
2%
CONTROL PANEL*
V
3%
OUTDOOR TEMPERATURE CONTROL PANEL*
VI
4%
(*) Set as ambient regulator
