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Lena /28CE

•24 kW, 29 kW and 40 kW thermal capacity options
•Full combustion technology with Premix burner
•High efficiency up to %108 (according to EN 677)
•High fuel saving with condensing technology
•Stainless steel heat exchanger
•Non-gradual modulation between %15 -100 thanks to
frequency-controlled fan
•Operation with frequency-controlled pump
•Hot water comfort according to EN 13203 ***
•NOx class 5
•Environmentally-friendly with low emission rates
•Failure detection and safety systems
•Opportunity of applying cascade system up to 15 units.
•Compatible with solar energy
•Operation with storagetank (optional)
•Integrated operation with outdoor sensor (optional)
•Integrated operation with room thermostat (optional)
•Embossed control panel designed specially for use of
sight-disabled and elderly family members
• Manufactered in Daikin production plant

Technical Parameters

Energy Performance
Nominal heat inlet max./ min. KW 30.7/12.2
Burning Efficiency % 94.2
Efficiency (60/80c) % 91.5
Burning Performnce(Directive 92/42/EEC) ***
N0x Class 2
Heating system emissions
Flue gas temperature (G20) C 129.1
CO2 Content (G20) % 7.88
CO2 Content (G20) PPM 100
N0x Class 3
Heating circuit
Min. operation pressure bar 0.5
Max. operation pressure bar 3
Expansion tank capacity liter 7
expansion tank initial pressure bar 1
Heating circuit temperature range max./min. C 85/35
Domestic water circuit
Domestic water temperature range max./min. C 55/35
Hot Water amount DT=30 °C Lt/min 12.3
minimum hot water flow Lt/min 2.1
Plumbing Pressure max .min. bar 10/0.5
Power data
power supply Voltage V/Hz 230/50
Electric Power W 115
Electrical Safety Class IP x5D
Gas circuit and consumption data
Natural gas (G20) inlet Pressure mbar 21
LPG(G30/G31)inlet pressure mbar 30 /37
Natural gas (G20) consumption (maks. /min.) M3 / h 2.88 / 12
LPG(G30/G31) consumption (maks. /min.) kg / h 2.15/0.9
Dimmensions and flue sizes
Weight (Net) kg 31
Weight (with package) kg 34
Package dimnsions (L x H x D) mm 730/403/345
Max. Flue length (60/100 mm) m 5
Flue diameter mm 100/60

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