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Technical Specifications; Domestic Hot Water Performances - ACV Delta 25 Specification

Combined boilers & water heaters

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Technical Specifications

Code
Fuel
Burner options
Input – Riello burners
Input – BG2000-S burner
Output – Riello burners
Output – BG2000-S burner
Primary capacity
Total capacity
Heating surface area
Flue circuit pressure drop
DHW connection (male BSP)
Primary connection (female BSP)
Flue connection (D)
Dimensions
A
B
C
E
F
Weight empty
Weight full
Minimum working gas pressure mbar
Natural gas flow rate (BG2000-S) m
LPG flow rate (BG2000-S)

Domestic Hot Water Performances

Peak flow 40°C
Peak flow 45°C
Peak flow 60°C
Peak flow 40°C
Peak flow 45°C
Peak flow 60°C
Continuous flow 40°C
Reheat time to 80°C
Note : The above performances are based on the hot water being blended at point of use, with a boiler temperature of 80°C
and a domestic cold water inlet of 10°C, using a BG2000-S gas burner.
25
04600001
type
Riello oil - Riello pressure jet natural gas/LPG - BG2000-S natural gas/LPG
kW
25-33
kW
25
kW
22-29
kW
22.45
L
83
L
157
2
m
1.59
mbar
0.02-0.09
Ø
3 /
"
4
Ø
1"
Ø mm
130
mm
1497
mm
542
mm
818
mm
360
mm
200
Kg
159
Kg
316
3
/h
2.65
3
m
/h
1.02
25
L/10'
268
L/10'
230
L/10'
170
L/60'
806
L/60'
799
L/60'
568
L/h
645
min
32
Maximum Operating Pressure
Primary:
Secondary:
Factory Test Pressure
Primary:
Secondary:
Maximum Operating Temperature
90°C
Power Supply
230v 50Hz
35
45
04600101
04600201
Oil (28 sec or 35 sec) or Natural gas/LPG
33-45
42-61
35
45
29-40
38-54
31.35
40.5
104
70
178
132
1.59
1.99
0.08-0.09
0.01-0.08
3 /
"
3 /
"
4
4
1"
1"
130
150
1697
1497
542
542
818
818
360
390
200
200
170
182
348
314
20 (Nat Gas) / 37 (LPG)
3.7
4.76
1.43
1.84
35
45
285
316
230
283
170
186
1035
1284
1027
1112
727
867
900
1161
29
16
3 bar
10 bar
4.5 bar
13 bar
55
04604301
50-69
55
45-62
49
82
151
2.46
0.02-0.05
3 /
"
4
1"
150
1697
542
848
390
200
208
359
5.8
2.25
55
362
283
186
1533
1403
977
1405
16
16
18

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