4
2
1.
Technical data
TECHNICAL DATA
GARDA 18
Garda 21
Garda 23
Nominal
Reduced
Nominal
Reduced
Nominal
Reduced
Thermal input introduced kW
16.4
5.3
21
6.8
27.8
10.07
Rated thermal input kW
15.3
5
19.4
6.4
25.5
9.3
to clearance - kW
1.3
0.7
1.8
1.1
2.5
1.3
to water - kW
14
4.3
17.6
5.3
23
8
Performance -%
93
95
92
94.3
91.8
92.1
Hourly consumption - Kg/h*
3.2
0.9
4.27
1.37
5.63
2
Average fume temperature - °C
110
65
121
65
145
87
Average draft - Pa
12
12
12
Tank capacity - Kg
35
43
53
Autonomy - h*
11
39
11
31
9 ½
26 ½
Heatable volume (nominal) - mᵌ
**
380
460
630
Air intake - Ø
50
50
50
Fume outlet - Ø
80
80
80
Max operation pressure - bar
2.5
2.5
2.5
Voltage - Power frequency
230V / 50 Hz
230V / 50 Hz
230V / 50 Hz
Weight - kg
180
210
230
