Gas condensing boiler Ecocondens Nex 28 kW system
ECOCONDENS NEX
ECOCONDENS NEX gas condensing boilers are innovative, high-end devices in the category of wall-hung gas boilers designed for heating and domestic hot water preparation. Their high efficiency and wide modulation range make them highly economical and environmentally friendly. Furthermore, a LIN interface, enabling connection to the Termet Comfort System for remote control via the internet, ensures high user comfort. A distinctive feature of the ECOCONDENS NEX series boilers is their exceptionally smooth and quiet operation. • Energy class: A
• Modern stainless steel heat exchanger with high resistance to corrosion and scaling
• Latest-generation CERAMAT ceramic fiber burner with an exceptionally wide modulation range, allowing for combustion optimization and gas savings
• Additional boiler soundproofing system based on modern sound-absorbing materials
• Very quiet boiler operation - just 37 dB (for 24 and 28 kW boilers)
• Highly efficient circulation pump
• Modulating electronically controlled fan
• Highest NOx class (Class 6)
• Complete safety system
• Compatible with multi-zone modules for heating systems
- Heating capacity (at 80/60°C) [kW]:
- 3,5 - 28,2
- Maximum water pressure [bar]:
- 3
- Useful efficiency η1 [%]:
- 97.4
- Boiler useful efficiency at nominal load and 70°C average water temperature [%]:
- 98
- Seasonal space heating energy efficiency ηs [%]:
- 94.2
- Standard setpoint temperature [°C]:
- 40 - 80
- Nitrogen oxide (NOx) emission class:
- 6
- Heating water and gas connection:
- G3/4
- Degree of protection (IP rating):
- IPX4D
- Water temperature control range [°C]:
- 30 - 60
- Seasonal space heating energy efficiency class:
- A
- Boiler weight [kg]:
- 54
- Reduced setpoint temperature [°C]:
- 25 - 55
- Expansion vessel capacity [dm³]:
- 8
- Heat exchanger material:
- INOX stainless steel
- Type and voltage of electrical power supply:
- ~ 230 ±10%/ 50Hz V
- Overall dimensions (H x W x D) [mm]:
- 767 x 450 x 350
- Maximum CH operating temperature [°C]:
- 95
- Useful heat output at nominal heat output P4 (for modulating boilers arithmetic mean of max and min) [kW]:
- 28
- Sound power level LWA [dB]:
- 37.4
- Useful heat output at 30% nominal output P1 (for modulating boilers 30% arithmetic mean) [kW]:
- 8.4
- Standby power consumption PSB [kW]:
- 0.002
- Pump head at zero flow [bar]:
- 0.6
- Heating capacity (at 50/30°C) [kW]:
- 3,9 - 31,1
- Useful efficiency η4 [%]:
- 88.3
- Electrical consumption at full load elmax [kW]:
- 0.1
- Nitrogen dioxide emission level [mg/kWh]:
- 39.6
- Heat load [kW]:
- 3,6 - 28,8
- Electrical consumption at part load elmin [kW]:
- 0.07
- Boiler useful efficiency at part load and 30°C return water temperature [%]:
- 108