Features and technical data
24
1
G 30
G 45
G 60
G 90
Temperature rise
nominal heat input
K
33,1
35,6
29,6
28,4
minimal heat input
K
11,9
12,4
10,1
9,2
length of throw (residual speed < 0,5 m/s) (2)
m
18,0
24,0
28,0
38,0
Outdoor temperature (dry
bulb)
maximum
°C
40
minimum
°C
0
Electrical specifications
Power supply
voltage
V
230
type
-
single-phase
frequency
Hz
50
Electrical power absorption
nominal
kW
0,21
0,35
0,61
1,00
fuse
A
6,3
Degree of protection
fan motor
IP
54
appliance
IP
20
Installation data
Gas consumption
G20 natural gas (nominal)
m³/h
2,97
4,56
6,14
9,37
G25 (nominal)
m³/h
3,45
5,29
7,14
11,07
G25.1 (nominal)
m³/h
3,43
5,28
7,13
11,06
G25.3 (nominal)
m³/h
3,33
5,17
6,99
10,82
G27 (nominal)
m³/h
3,61
5,56
7,51
11,61
G2.350 (nominal)
m³/h
4,10
6,32
8,52
- (3)
G30 (nominal)
kg/h
2,18
3,38
4,54
7,08
G31 (nominal)
kg/h
2,17
3,34
4,50
6,97
Air flow
nominal (Delta T = 15 °C)
m³/h
2450
3450
5650
9100
Gas connection
type
-
M
F
thread
“
3/4
Flue gas exhaust
diameter (Ø)
mm
80
residual head
Pa
80
100
130
200
type of installation
-
B23, B23P, C13, C33, C53, C63
Combustion air intake
connection
diameter (Ø)
mm
80
recommended height
m
3,0 ÷ 3,5
sound power L
w
(max)
dB(A)
75,0
84,0
86,0
sound pressure L
p
at 5 metres (max)
dB(A)
53,0
62,0
64,0
Dimensions
width
mm
735
929
1320
depth
mm
731
738
743
725
height
mm
777
Weight
in operation
kg
56
61
79
100
General information
number of heat exchangers
-
2
3
5
8
type of heat exchangers
-
tower
number of fans
-
1
2
(1) Relative to NCV (net calorific value).
(2) Values measured in an open area; in a real installation, the thermal flow may reach greater distances than those given here (depending on the height of the ceiling
and its thermal insulation).
(3) The gas unit heater cannot operate with this type of gas.
Axial fan models with brushless variable speed motor
G 20 EC G 30 EC G 35 EC G 45 EC G 60 EC G 75 EC G 90 EC
Heating mode
Heat input
nominal (1013 mbar - 15 °C) (1)
kW
19,5
28,0
34,5
43,0
58,0
75,0
90,0
minimum (1)
kW
8,1
9,3
12,3
13,8
18,5
25,0
27,0
Heat output for each unit
nominal
kW
19,0
27,4
33,4
41,4
56,6
72,0
87,3
minimum
kW
8,5
9,9
13,1
14,5
19,5
26,3
28,6
Efficiency
nominal heat input
%
97,5
97,8
96,9
96,2
97,5
96,0
97,0
minimal heat input
%
105,5
106,8
106,5
105,3
105,2
105,0
106,1
useful at 100% heat input
%
97,0
97,3
96,4
95,7
97,0
95,5
96,5
Heat losses
to flue in operation
%
2,50
2,20
3,10
3,80
2,50
4,00
3,00
to casing in operation
%
0,50
with burner off
%
0,10
(1) Relative to NCV (net calorific value).
(2) Values measured in an open area; in a real installation, the thermal flow may reach greater distances than those given here (depending on the height of the ceiling
and its thermal insulation).
(3) The gas unit heater cannot operate with this type of gas.
