Constructive characteristics |
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Capacity (total) | 158 | ||
Capacity (primary) | 83 | ||
Capacity (domestic hot water) | 75 | ||
Capacity expansion tank(s) | 1 x 12 | ||
Chimney connection | 100 | ||
Connection - heating | 1 F | ||
Connection - DHW | 3/4 M | ||
Connection - re-circulation / safety valve | 3/4 M | ||
Max operating temperature | 90 | ||
Water pressure drop boiler at Δt = 20°C | 15 | ||
Max service pressure heating (primary) | 3 | ||
Max service pressure (DHW) | 8,6 | ||
Pressure drop flue gas | 0,25 | ||
Weight (empty) | 145 | ||
Heating characteristics |
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Heating time from 10 to 60°C - 6 kW (3 kW) | 32 | ||
Combustion |
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Input max (heating) HCV | 31,4 | ||
Input max (heating) LCV | 28,3 | ||
Combustion efficiency | 92,2 | ||
Efficiency (max output) 80/60°C | 92,20 | ||
Mass rate of combustion products (gas) | 47 | ||
NOx class (EN15502) | 5 | ||
Output power max (80/60°C) | 25 | ||
Domestic hot water performance |
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Peak flow at 40°C | 268 | ||
Peak flow 1st hour at 40°C | 806 | ||
Continuous flow at 40°C | 645 | ||
Electrical Characteristics |
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Voltage | 230 | ||
Frequency | 50 | ||
Protection IP | 30 | ||
Electrical consumption | 176 | ||
Electrical power requirements | 0,8 | ||
Eco Design Fields |
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Seasonal space heating efficiency (35°C) | 79.7 |
Dimensions A | 360 |
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Technical brochure |
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Delta Pro S & Pro Pack - Installation, operations and maintenance instructions |
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