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2. TECHNICAL SPECIFICATIONS
Maximal heat input Hi (G20 & G31)
Minimal heat input Hi (G20 & G31)
Maximal heat output (G20 & G31)
Minimal heat output (G20 & G31)
Maximal heat input Hi (G25)
Minimal heat input Hi (G25)
Maximal heat output (G25)
Minimal heat output (G25)
Efficiency at max. heat input
Efficiency at min. heat input 30%
Maximum hot air flow
Maxi. horizontal throw
Gas connection
Electrical supply
Puissance électrique absorbée
Maximum electric current
Low voltage thermostat
Sound level (average)
Minimal hanging height
Maximal length of the duct
Weight
Maximum condensation flow
Nominal supply gas pressure G20
Nominal supply gas pressure G25
Gas category
Class for combustion products discharge
Maximum gas consumption G20
Maximum gas consumption G25
CO2 at high speed G20
CO2 at low speed G20
CO2 at high speed G25
CO2 at low speed G25
NO
(at 0% of O
)
x
2
NO
class
x
CO (at 0% of O
)
2
Maximum combustion products flow
Nominal supply gas pressure G31
Supply gas pressure (min-max) G31
Gas category
Class for combustion products discharge
Maximum gas consumption G31
CO2 at high speed level G31
CO2 at low speed level G31
NO
(at 0% of O
)
x
2
NO
class
x
CO (at 0% of O
)
2
Maximum combustion products flow
The AMC 78, 97 and 116 models are compound respectively of 2x AMC 39, 2x AMC 48 and 2x AMC 58
in a same body with one gas connection and one air intake/exhaust gases, one electric connection, one
connection for the thermostat and one connection for condensates.
For a proper operation and in order to avoid interaction between the premix fan and the burner, a check
valve was added.
The connection of the MULTITHERM C or S to the AMC 78, 97 and 116 models as well as the micro-
switch S2 and S3 setting is explained in the paragraph 9.3 and 9.4, pages 22 and 23.
AMC MODEL
12
kW
12,5
20,0
kW
4,0
6,0
kW
12,0
19,2
kW
4,2
6,4
kW
10,5
16,8
kW
3,1
5,0
kW
10,1
16,1
kW
3,3
5,3
%
96,0
96,0
%
106,0
106,0
3
m
/h
2000
2600
m
15
Rp 1/2"
(ISO 7)
W
250
250
A
1,1
1,1
dBA
45
m
m
kg
45
l/h
2
Natural gas G20 and G25
mbar
mbar
Cat.
3
m
/h
1,3
2,1
3
m
/h
1,3
2,0
%
9,5
9,5
%
9,0
9,0
%
8.0
8.0
%
7.8
7.8
mg/kWh
28
mg/kWh
4
kg/h
19,4
31,1
Propane G31
mbar
mbar
Cat.
kg/h
1,0
1,6
%
10,7
10,7
%
10,3
10,3
mg/kWh
24
mg/kWh
13
kg/h
19,4
31,1
19
29
39
30,0
40,0
50,0
9,0
12,0
15,0
29,0
38,8
48,3
9,5
12,8
15,9
25,8
33,3
42,0
7,7
10,1
12,6
24,9
32,3
40,5
8,0
10,8
13,4
96,5
97,0
96,5
106,0
106,5
106,0
3000
4500
5000
20
23
26
G 3/4"
(ISO 228)
230 VAC / 50-60 Hz
275
450
600
1,2
2,0
2,6
Yes
45
45
47
1,7
50
75
85
105
2
3
3
20 (17 to 25)
25 (20 to 30)
I
B23, C13 or C33
3,2
4,2
5,3
3,1
4,0
5,0
9,2
9,2
9,2
8,8
8,8
8,8
8.0
8.0
8.0
7.8
7.8
7.8
20
38
35
5
1
1
48,1
64,2
80,2
30-50
25-50
B23, C13 or C33
2,4
3,2
4,0
11,0
11,0
11,0
10,5
10,5
10,5
17
36
39
8
3
1
48,1
64,2
80,2
48
58
78
60,0
80,0
100,0
18,0
24,0
30,0
58,0
77,6
96,8
19,1
25,2
31,5
49,8
66,6
84,0
15,2
20,2
25,2
48,1
64,6
81,0
16,1
21,2
26,5
96,6
97,0
96,8
106,0
105,0
105,0
6000
8500
10000
28
30
30
Rp 1"
600
900
1000
2,6
3,9
4,4
48
49
50
9
110
180
195
4
4
6
2Esi
6,3
8,4
10,6
5,9
8,0
10,0
9,2
9,2
9,2
8,8
8,8
8,8
8.0
8.0
8.0
7.8
7.8
7.8
28
30
31
5
3
3
1
96,2
128,4
160,4
I
3P
4,8
6,4
8,0
11,0
11,0
11,0
10,5
10,5
10,5
32
41
39
5
1
1
1
96,2
128,4
160,4
97
116
120,0
36,0
115,8
37,8
99,6
30,4
115,8
31,9
96,5
105,0
12000
30
33
(ISO 7)
1050
4,7
51
52
205
8
8
12,6
11,8
9,2
8,8
8.0
7.8
27
29
4
1
192,4
9,6
11,0
10,5
34
41
1
1
192,4
5
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