Wall-mounted natural gas/LPG condensing boiler for heating and DHW
Heat exchanger in stainless steel and exhaust gas exchanger in Al-Si alloy
Plate Heat Exchanger
Efficiency up to 109% (supply/return temperatures 40/30°C)
Expansion Tank 12L, INVERTER Circulator three-way heating/hot water switching valve with motor
Proportional adjustment of the Burner 25...100% in combination with the Logamatic RC thermostats
Digital control and operation automation of the boiler and fault indications on the digital screen
Closed combustion chamber
Electronic ignition and flame monitoring with ionization
EMS-Bus for connecting a compensated control system (Logamatic RC series or Logamatic 4000)
Circulator blocking protection
Antifreeze function
IPX4D electrical protection
Dimensions: 840X440X350mm
Weight: 44kg
specifications
Max. nominal thermal power Pmax 40/30°C: 23.8kW
Max. nominal thermal power Pmax 50/30°C: 23.6kW
Max. nominal thermal power Pmax 80/60°C: 22.5kW
Max. nominal heating load Qmax: 23.1kW
Min. nominal thermal power Pmin 40/30°C: 7.3kW
Min. nominal thermal power Pmin 50/30°C: 7.3kW
Min. nominal thermal power Pmin 80/60°C: 6.6kW
Minimum nominal heating load Qmax: 6.8kW
Maximum rated thermal power Pnw hot water: 29.7kW
Maximum nominal thermal power Qnw of hot water: 30kW
Device efficiency rating max. power heating curve 80/60°C: 97.5%
Device efficiency rating max. power heating curve 50/30°C: 102.2%
Standard utilization degree heating curve 75/60°C: 104%
Standard utilization degree heating curve 40/30°C: 109%
Standby heat consumption: 0.36%
GAS SUPPLY CHARACTERISTICS
Natural gas: 0.72-3.18m3/h
LPG: 0.56-2.27kg/h
ALLOWABLE GAS CONNECTION PRESSURE
Natural gas: 17-25mbar
LPG: 25-45mbar
EXPANSION TANK
Inlet pressure: 0.75bar
Volume: 12l
HOT WATER
Maximum amount of hot water: 12l/min
Outlet temperature: 40-60°C
Maximum cold water supply temperature: 60°C
Maximum permissible hot water pressure: 10bar
Minimum flow pressure: 0.2bar
Exhaust gas mass flow max/min nominal value: 13.1/3.2 g/s
Exhaust gas mass flow 80/60°C max/min nominal value: 90/57°C
Exhaust gas mass flow 40/30°C max/min nominal value: 60/32°C
Standard CO emission factor: <15mg/kWh
Standard NOx emission factor: <35mg/kWh
Free fan advance pressure: 80 Pa
CO2 at maximum rated thermal power: 9.4%
CO2 at minimum nominal thermal power: 9.4%
NOx category: 5
Max. amount of condensate: 1.7l/h
GENERALLY
Power supply: 230/50 V/Hz
Maximum absorbed power (heating mode): 120W
Noise level: 36db(A)
Protection class: IPX4D
Maximum inlet temperature: 82°C
Max. permissible operating pressure: 3 bar
Permissible ambient temperature: 0-50°C
Nominal volume (heating): 7l
Weight: 44kg
Dimensions W/H/D: 440/840/350mm