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12 Technical specifications
Tab.85
Technical parameters
Gas 320 Ace
Condensing boiler
Low-temperature boiler
(1)
B1 boiler
Cogeneration space heater
Combination heater
Rated heat output
Useful heat output at nominal heat output
and high temperature operation
Useful heat output at 30% of rated heat out
put and low temperature regime
Seasonal space heating energy efficiency
Useful efficiency at rated heat output and
high temperature regime
Useful efficiency at 30% of rated heat output
and low temperature regime
Auxiliary electricity consumption
Full load
Part load
Standby mode
Other items
Standby heat loss
Ignition burner power consumption
Annual energy consumption
Sound power level, indoors
Emissions of nitrogen oxides
(1) Low temperature means 30 °C for condensing boilers, 37 °C for low temperature boilers and 50 °C (at heater inlet) for other heating
appliances.
(2) High temperature operation means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
12.7
Gas 620 Ace technical data
Tab.86
General
Gas 620 Ace
Number of sections
Nominal output
Nominal output
Nominal output
Nominal input
Nominal input
Reduced input
Reduced input
88
Prated
P
4
(2)
P
1
(1)
ƞ
s
ƞ
4
(2)
ƞ
1
(1)
elmax
elmin
P
SB
P
stby
P
ign
Q
HE
L
WA
NO
X
P
80/60 °C
kW
n
P
70/50 °C
kW
nc
P
50/30 °C
kW
nc
Q
H
(
)
kW
nh
i
Q
H
(
)
kW
nh
s
Q
H
(
)
kW
Y20h
i
Q
H
(
)
kW
Y20h
s
285
355
Yes
Yes
No
No
No
No
No
No
No
No
kW
261
327
kW
260.7
326.7
kW
87.1
108.9
%
-
-
%
88.3
88.4
%
98.4
98.2
kW
0.280
0.345
kW
0.060
0.062
kW
0.010
0.009
kW
0.464
0.479
kW
-
-
kWh
-
-
GJ
dB
72
72
mg/kWh 43
43
See
Refer to the back cover for contact details.
570
710
2x5
2x6
min
75.8
86.7
max
521.4
653.3
(1)
524.0
656.3
max
(1)
max
557.5
700.6
(1)
min
80
91
max
532
666
(1)
min
88.9
101.1
max
591.1
740.0
(1)
min
75.2
85.5
500
626
max
(1)
min
83.6
95.0
556
696
max
(1)
430
500
575
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
395
461
530
394.8
461.0
530.4
131.2
152.8
175.1
-
-
-
88.5
88.6
88.7
98.0
97.8
97.6
0.450
0.576
0.768
0.076
0.086
0.089
0.010
0.010
0.010
0.493
0.508
0.522
-
-
-
-
-
-
72
72
72
44
45
46
860
1000
1150
2x7
2x8
2x9
122.6
122.3
148.1
789.5
922.1
1060.8
792.7
924.9
1064.0
849.0
994.3
1147.0
128
127
153
804
938
1078
142.2
141.1
170.0
893.3
1042.2
1197.8
120.3
119.4
143.8
756
882
1013
133.7
132.6
159.8
840
980
1126
7734324 - v.07 - 21092022
650
Yes
No
No
No
No
601
600.9
197.8
-
88.7
97.4
0.720
0.080
0.010
0.537
-
-
72
47
1300
2x10
165.4
1201.7
1204.1
1303.0
170
1220
188.9
1355.6
159.8
1147
177.6
1274
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