Features and technical data
Installation, use and maintenance manual – Next-R
19
1
R15
R20
R30
R40
R50
R60
R80
Heat loss
to
fl
ue in operation
%
9,00
8,50
9,00
to jacket in operation
%
0,30
0,40
0,50
0,40
in o
ff
mode
%
0,25
Temperature rise
nominal heat input
K
20,7
26,8
30,5
28,6
33,1
34,5
31,2
minimal heat input
K
14,2
17,9
18,9
17,7
21,6
21,4
20,9
lenght of throw (residual speed < 0,5 m/s) (2)
m
13,0
15,0
18,0
20,0
25,0
28,0
40,0
Ambient air temperature (dry
bulb)
maximum
°C
35
minimum
°C
-15
0
Electrical speci
fi
cations
Power supply
voltage
V
230
type
-
single-phase
frequency
Hz
50
Electrical power absorption
nominal
kW
0,18
0,21
0,30
0,34
0,41
0,60
fuse
A
6,3
Installation data
Gas consumption
G20 natural gas (nominal)
m
³
/h
1,64
2,17
2,96
4,05
5,18
7,33
8,89
G25 (nominal)
m
³
/h
1,91
2,52
3,45
4,71
6,03
8,49
10,34
G25.1 (nominal)
m
³
/h
1,91
2,52
3,44
4,71
6,02
8,48
10,32
G25.3 (nominal)
m
³
/h
1,86
2,47
3,37
4,61
5,90
8,30
10,11
G27 (nominal)
m
³
/h
2,00
2,65
3,61
4,94
6,33
8,91
10,84
G2.350 (nominal)
m
³
/h
2,28
3,01
4,12
5,63
7,20
10,14
-
G30 (nominal)
kg/h
1,22
1,62
2,21
3,02
3,86
5,44
6,63
G31 (nominal)
kg/h
1,20
1,59
2,17
2,98
3,81
5,36
6,53
Air
fl
ow
nominal
m
³
/h
2000
2050
2460
3600
3960
5350
7200
Gas connection
type
-
M
F
thread
“
3/4
Flue gas exhaust
diameter (Ø)
mm
80
residual head
Pa
70
90
80
100
130
type of installation
-
B23, C13, C33, C53, C63
Combustion air intake connec-
tion
diameter (Ø)
mm
80
recommended height
m
2,2
2,5
3,0 ÷ 3,5
sound power L
w
(max)
dB(A)
74,5
75,5
77,0
78,0
81,0
82,0
90,5
sound pressure L
p
at 5 metres (max)
dB(A)
52,5
53,5
55,0
56,0
59,0
60,0
68,5
Dimensions
width
mm
678
734
928
1119
1319
depth
mm
557
731
746
731
746
height
mm
480
777
Weight
in operation
kg
26
28
51
56
64
78
91
General information
number of heat exchangers
-
1
2
3
5
6
8
type of heat exchangers
-
tubo
torre
number of fans
-
1
2
(1)
Relative to NCV (net calori
fi
c value).
(2)
Values measured in an open area; in a real installation, the thermal
fl
ow may reach greater distances than those given here (depending on the height of the ceiling and its thermal insulation).
Centrifugal fan models
R30 C
R40 C
R50 C
R80 C
Electrical speci
fi
cations
Electrical power absorption
nominal
kW
0,38
0,68
1,38
1,40
fuse
A
6,3
10,0
Installation data
Air
fl
ow
at maximum available head
m
³
/h
1850
3300
4700
6250
free blowing
m
³
/h
2900
4000
5500
8000
maximum useful pressure head
Pa
120
240
120
minimum pressure drop on heat
fl
ow delivery
Pa
0
50
Dimensions
width
mm
774
968
1359
height
mm
777
depth
mm
1031
1072
1138
1072
Weight
in operation
kg
68
80
92
129
Vertical down
fl
ow models
R30 V
R40 V
R50 V
The technical data of these models are identical to those of the corresponding axial models
Содержание Next-R
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