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12.5
Hydraulic resistance
Tab.79
Hydraulic resistance
Heat exchanger size
5 sections:
Gas 320 Ace 285
Gas 620 Ace 570
6 sections:
Gas 320 Ace 355
Gas 620 Ace 710
7 sections:
Gas 320 Ace 430
Gas 620 Ace 860
8 sections:
Gas 320 Ace 500
Gas 620 Ace 1000
9 sections:
Gas 320 Ace 575
Gas 620 Ace 1150
10 sections:
Gas 320 Ace 650
Gas 620 Ace 1300
12.6
Gas 320 Ace technical data
Tab.80
General
Gas 320 Ace
Number of sections
Nominal output
Nominal output
Nominal output
Nominal input
Nominal input
Reduced input
Reduced input
Full load central heating ef
ficiency
Full load central heating ef
ficiency
Full load central heating ef
ficiency
Min load central heating ef
ficiency
Part load central heating ef
ficiency
Full load central heating ef
ficiency
7734324 - v.07 - 21092022
∆T 10
∆T 11
∆T 12
°C
°C
°C
452
374
314
440
364
306
480
397
333
440
364
306
500
413
347
520
430
361
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
P
H
(
) 80/60 °C
%
n
i
P
H
(
) 70/50 °C
%
n
i
H
50/30 °C
%
i
H
Return temper
%
i
ature 60 °C
P
H
(
) Return
%
n
i
temperature
30 °C
P
H
(
) 80/60 °C
%
n
s
Hydraulic resistance in mbar
∆T 13
∆T 14
∆T 15
°C
°C
°C
267
231
201
260
224
196
284
245
213
260
224
196
296
255
222
308
265
231
285
355
5
6
min
51.1
64.8
max
260.7
326.7
(1)
max
262.0
328.0
(1)
max
278.8
350.3
(1)
min
54
68
max
266
333
(1)
min
60
75.6
max
295.6
370.0
(1)
min
50.8
63.9
max
250
313
(1)
min
56.4
71.1
278
348
max
(1)
98.0
98.1
98.5
98.5
104.8
105.2
94.7
95.3
109.2
109.0
88.3
88.4
12 Technical specifications
∆T 16
∆T 17
∆T 18
°C
°C
°C
177
156
140
172
152
136
188
166
148
172
152
136
195
173
154
203
180
160
430
500
575
7
8
9
78.6
91.5
105.5
394.8
461.0
530.4
396.4
462.4
532.0
424.5
497.1
573.5
82
95
109
402
469
539
91.1
105.6
121.1
446.7
521.1
598.9
77.1
89.3
102.5
378
441
507
85.6
99.3
113.8
420
490
563
98.2
98.3
98.4
98.6
98.6
98.7
105.6
106.0
106.4
95.8
96.3
96.8
108.8
108.6
108.3
88.5
88.6
88.6
∆T 19
∆T 20
°C
°C
125
113
122
110
133
120
122
110
139
125
144
130
650
10
118.7
600.9
602.1
651.5
122
610
135.6
677.8
114.7
573
127.5
637
98.5
98.7
106.8
97.3
108.1
88.7
85
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