Operation Manual

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15
BNE 2 Condens : 664Y5900 • D
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TECHNICAL CHARACTERISTICS
DHW PERFORMANCE
Operating conditions at 80°C BNE 2 Condens
Peak ow at 40 °C [∆T = 30 K] L/10’ 395
Peak ow at 50 °C [∆T = 40 K] L/10’ 293
Peak ow at 40 °C [∆T = 30 K] L/60’ 935
Peak ow at 50 °C [∆T = 40 K] L/60’ 689
Constant ow at 40 °C [∆T = 30 K] L/h 616
Constant ow at 50 °C [∆T = 40 K] L/h 475
Reheat time from 10°C to 80°C minutes 17
MAXIMUM OPERATING CONDITIONS
Maximum Service Pressure [DHW tank full of water]
- Primary circuit : .................................................................................................................. 3 bar
- DHW circuit : .................................................................................................................... 8,6 bar
- Recommended safety valve (central heating) : ...................................................... 3 bar
- Recommended safety valve (DHW) : ......................................................................... 7 bar
Mains supply pressure
- Max 6 bar, without a pressure reducing valve being required (to avoid discharge of the safety
pressure valve)
Maximum Operating Conditions
- Maximum temperature (central heating) : ................................................................ 90°C
- Maximum temperature (DHW) : .......................................................... from 60°C to 80°C
Water Quality
See “Recommendations for the Prevention of Corrosion and Scaling”.
Oil quality
• Low sulfur oil (50 ppm)
• Standard oil (2000 ppm)
• Bio-oil 0 at 7% methyl esters of fatty acids