Operation Manual

EN
EN
12
BNE : 664Y6000 •D
TECHNICAL CHARACTERISTICS
COMBUSTION CHARACTERISTICS
Main Characteristics BNE 1 BNE 2
Fuel type Oil Oil
Max. input (PCI) kW 28 41
Output at 100% (80/60°C) kW 25 36
Output power min (80/60°C) kW 20 27
Max operating temperature °C 90 90
HYDRAULIC CHARACTERISTICS
Main hydraulic characteristics BNE 1 BNE 2
Water content of the boiler L 184 186
Primary circuit capacity L 64 66
Heating inlet/outlet connection (F) Ø 1" 1"
DHW inlet/outlet connection (M) Ø 3/4" 3/4"
Max. service pressure of DHW circuit bar 7 7
Max. service pressure of heating circuit bar 3 3
Primary circuit water pressure drop (∆T = 20 K) mbar 20 25
DHW PERFORMANCE
Operating conditions at 80°C BNE 1 BNE 2
Peak ow at 40 °C [∆T = 30 K] L/10' 311 311
Peak ow at 40 °C [∆T = 30 K] L/60' 908 1060
Constant ow at 40 °C [∆T = 30 K] L/h 716 899
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