The descriptions and diagrams below are for information only.
Constructive characteristics |
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Capacity (total) | 128 | L |
Capacity (primary) | 63 | L |
Capacity (domestic hot water) | 65 | L |
Capacity expansion tank(s) | - | L |
Chimney connection | 100 | Ømm |
Connection - heating | 1 F | Ø" |
Connection - DHW | 3/4 M | Ø" |
Connection - re-circulation / safety valve | 3/4 M | Ø" |
Max operating temperature | 90 | °C |
Water pressure drop boiler at Δt = 20°C | 25 | mbar |
Max service pressure heating (primary) | 3 | bar |
Max service pressure (DHW) | 8,6 | bar |
Pressure drop flue gas | 0,3 | mbar |
Weight (empty) | 168 | kg |
Heating characteristics |
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Heating time from 10 to 60°C - 6 kW (3 kW) | 16 | min |
Combustion |
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Input max (heating) HCV | 54,9 | kW |
Input max (heating) LCV | 49,4 | kW |
Combustion efficiency | 91,4 | % |
Efficiency at 30% load (EN15502-1) | 92,7 | % |
Efficiency (max output) 80/60°C | 89,8 | % |
CO emissions max output | 1 | ppm |
Mass rate of combustion products (gas) | 84 | kg/h |
NOx weighted (GCV) (EN15502) | 72,2 | mg/kWh |
NOx class (EN15502) | 5 | |
Output power max (80/60°C) | 44,9 | kW |
Output power min (80/60°C) | 12,9 | kW |
Domestic hot water performance |
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Peak flow at 40°C | 316 | L/10’ |
Peak flow 1st hour at 40°C | 1284 | L/60’ |
Continuous flow at 40°C | 1161 | L/h |
Electrical Characteristics |
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Voltage | 230 | V |
Frequency | 50 | Hz |
Protection IP | 30 | |
Electrical consumption | 83 | W |
Electrical power requirements | 0,4 | A |
Eco Design Fields |
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Seasonal space heating efficiency (35°C) | 80.1 | % |
Dimensions A | 1615 | (mm) |
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Dimensions B | 1386 | (mm) |
Dimensions C | 390 | (mm) |
Dimensions D | 1445 | (mm) |
Dimensions E | 1445 | (mm) |
Dimensions F | 1400 | (mm) |
Technical brochure |
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Delta Pro S & Pro Pack - Installation, operations and maintenance instructions |
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