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9. Technical specifications
9 Technical specifications
Conditions of use:
Maximum operating temperature: 90 °C
Maximum operating pressure: 4 bar
Thermostat adjustable from 30 to 90°C
Safety thermostat: 110 °C
80°C limiter thermostat - Condenser
Flue gas temperature safety thermostat: 120 °C
Boiler
Nominal output Pn
LHV efficiency - 100 % Pn - Average temperature:
70 °C
LHV efficiency - 30 % Pn - Return temperature:
50 °C
LHV efficiency - 30 % Pn - Return temperature:
30 °C
Nominal water flow (Nominal output) - ∆T = 20K
Stand-by losses (1) , ∆T =
30K
Losses through the outer
casing (2)
Auxiliary electrical power (3)
Useful output range
Useful output range
Water content
Loss of load hydraulic circuit
Combustion chamber
Number of sections
Number of baffle plates
Mass flue gas flow rate (3) - at 50/30°C
Flue gas temperature (3)
Pressure available at the flue gas nozzle
Loss of load flue gas side
Maintenance consumption (4) ∆ T = 30K
Burner type
Weight (empty)
(1) Stand-by losses, according to the standard EN 304
(2) as a % of stand-by losses
(3) At nominal output
(4) Maintenance consumption, as a % of the input - according to the
standard EN15034
1 mbar = 10 mmWG = 10 daPa.
22
GTU C
at 50/30°C
kW
%
%
%
3
m
/h
W
%
W
at 50/30°C
kW
at 80/60°C
kW
l
∆T = 10K (1)
mbar
∆T = 15K (1)
mbar
∆T = 20K (1)
mbar
Inscribed diameter
mm
Length
mm
3
Volume
m
Kg/h
°C
mbar
mbar
%
kg
Test conditions:
CO
Fuel oil = 13%
²
Ambient temperature: 20 °C
334
335
93.4
120.3
97.8
96.9
101.5
101.4
103.0
102.8
4.019
5.178
710
741
69
73
325
435
56.7-93.4
93.7-120.3
120.2-157.3
55-90
90-115
115-150
113
133
11
18
4.6
7.4
2.6
4.2
377
377
613
718
0.096
0.122
4
5
6
10
149
191
50
55
1.0
0.6
0.45
0.8
0.38
0.32
M202-2S
M302-1S
M302-3S
678
802
GTU C 330
336
337
338
157.3
192.7
239.7
96.4
98.1
97.7
101.1
102.2
101.8
103.0
104.7
104.0
6.769
8.293
10.312
774
1182
1208
78
83
87
650
625
625
155.4-192.7
191.7-239.7
150-185
185-230
153
177
197
31
46
68
14.2
19.5
30.1
8.0
11
17
377
377
377
854
993
1117
0.148
0.174
0.200
6
7
10
10
12
248
306
381
61
62
63
1.8
1.9
1.6
1.0
1.3
1.6
0.25
0.28
0.23
M302-3S
M302-4S
912
1117
1239
16/01/2020 - 300017846-03
339
291.2
97.6
101.5
103.8
12.530
1236
93
1100
238.4-291.2
230-280
217
105
46
26
377
1245
0.226
8
9
12
463
65
1.7
2.3
0.19
M302-5S
1366
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