NATUR-2830N

EAN-13: 8435436103124

IPX4D PROTECTION DIRECTIVE 92/42/CEE LCD Integrable

Energetic label: A (Heating and DHW)

Heating/DHW temperature adjustment

Thermal polymer and stainless steel exchanger

Total pre-mixture burner

Modulating gas valve with constant air/gas ratio

Variable speed combustion fan

Modulating high-efficiency pump

9-litre membrane expansion tank

Flame modulation for Heating and Domestic Hot Water

Broad modulation range 1:9

Possibility of expansion for complex zones

Multi-function relay for alarm or simple zones or external pump

Operation at low pressures (0.5 bar), perfect for areas with low grid pressure and buildings with several floors

Electric turn-on, ionisation flame detection

NTC temperature sensor for Domestic Hot Water and heating

LCD interface with diagnostic

Automatic serial bypass

Domestic exchanger with stainless steel plates

Motorised three-way valve

Easy integration and installation

Low NOx Classification 5

Protection: IPX4D

Effective rated heat output 80/60ºC: 25.4 kW

Effective rated heat output for Domestic Hot Water: 30.4 kW

Domestic Hot Water Production Increment of 30ºC: 15 l/min.

Useful efficiency at 30% charge: 107 %

Weight: 32 kg

Ultra-compact dimensions: 700 x 400 x 250 mm.

NATUR-2830N
GENERAL FEATURES
Gas category II2H39
Energetic classification according to 92/42/EEC ****
Classification NOx (EN 483) 5
RATED EFFICIENCY
Rated efficiency [kW] 26,4
For Heating (80-60ºC) max/min [kW] 25,4/3
For Heating (50-30ºC) max/min [kW] 27,9/3,58
For Domestic Hot Water (DT 30ºC) max/min [kW] 29,2/3
For Domestic Hot Water max/min [kW] 30,4/3,3
USEFUL EFFICIENCY
At rated efficiency (80-60ºC) [%] 96,4
At minimum efficiency (80-60ºC) [%] 92,3
At rated efficiency (50-30ºC) [%] 105,5
At minimum efficiency (50-30ºC) [%] 104,5
At partial 30% load [%] 107
HEATING CONSUMPTION
At rated efficiency (80-60ºC) Natural Gas [m3/h] 2,79
At Minimum Efficiency (80-60ºC) Natural Gas [m3/h] 0,32
At Rated Efficiency (80-60ºC) Propane [kg/h] 2,05
At Minimum Efficiency (80-60ºC) Propane [kg/h] 0,23
HEATING
Maximum work pressure for heating [bar] 3
Maximum work temperature for heating [C] 83
Heating temperature regulation [C] 20-78
Expansion tank capacity [L] 9
DOMESTIC HOT WATER
Minimum DHW circuit pressure [bar] 0,5
DHW flow at DT 30ºC [l/min] 15
DHW flow at DT 25ºC [l/min] 18
Maximum DHW circuit pressure [bar] 6
Maximum work temperature for DHW [C] 62
DHW Temperature Regulation [C] 35-57
DISPERSAL
Max. length of exhaust output 60/100 (C13-C33) [m] 9
Max. length of exhaust output 80 + 80 (C43-C53-C83) [m] 91
Max. length of exhaust output 60 (C43-C53-C83) [m] 23
OTHER
Voltage/Frequency of supply [V/Hz] 230/50
Intensity [A] 3,15
Degree of electrical protection IPX4D
Dimensions [mm] 400X700X250
Net/Gross weight [kg] 32/33,5
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