Sime Praktica 25 He Low Nox Condensing Boiler Kit Fumes Free Methane - New Erp

Sime Praktica 25 HE condensing boiler Low NOx flue gas kit methane - New ErP

• Nominal thermal power (80-60°C) kW 19.8
• Nominal thermal power (50-30°C) kW 21.2
• Reduced heat output G20 (80-60°C) kW 3.8
• Reduced heat output G20 (50-30°C) kW 4.2
• Reduced thermal power G31 (80-60°C) kW 4.3
• Reduced thermal power G31 (50-30°C) kW 4.7
• Nominal heat input in heating kW 20
• DHW nominal heat input kW 24
• Reduced heat input G20/G31 kW 4.0/4.5
• Useful efficiency min/max (80-60°C) % 95.4/98.8
• Useful efficiency min/max (50-30°C) % 105.0/106.1
• Useful efficiency 30% of the load (40-30°C) % 108.4
• Yield min. of combustion in situ (Presidential Decree 311) % 92.59

ELECTRICAL DATA

• Power supply voltage/frequency V/Hz 230/50
• Electric absorbed power max W 67
• Electric power absorbed min W 53
• Electrical power absorbed by the system pump W 41
• Shutdown losses at 50°C (EN 15502) W 120
• Electrical protection degree IP X5D

Dimensions

• HxWxD mm 702x400x250

PRAKTICA

Premixed condensing gas wall mounted boiler for heating only and instantaneous hot water production

• Installation type: B23P-B33P-B53P-C13-C33-C43-C53-C63-C83-C93
• NOx emission class 6 (EN 15502-1:2015)
• Microprocessor electronic card with automatic adjustment of ignition power and maximum heating
• Automatic ignition with flame ionization control
• Degree of electrical protection to water IP X5D
• Primary water/fume coil exchanger in AISI 316L stainless steel
• Sanitary plate heat exchanger in stainless steel
• Heating system expansion tank
• Motorized diverter valve
• Retroactive combustion control with electronic gas valve
• Fume evacuation fan with electronic speed variation
• High efficiency system pump with low energy consumption (ErP)
• By-pass which ensures the circulation of water in the boiler when taps and thermostatic valves are used in the system
• Safety thermostat against overheating of the primary exchanger
• Smoke overheating probe
• 3 bar system safety valve
• Anti-blocking function of the pump and the diverter valve which activates automatically every 24 hours if there have been no requests for heat
• Antifreeze function which activates automatically if the water temperature in the boiler falls below the value set at
• parameter “tS 1.0” and, in the presence of an external probe, if the external temperature drops below the value set in parameter “tS 1.1”
• Chimney sweep function which lasts 15 minutes and facilitates the task of qualified personnel for measuring parameters and combustion efficiency
• Control panel equipped with display with numerical code self-diagnosis
• Knobs for adjusting the heating and domestic hot water temperatures
• Arrangement for SIME HOME remote control connection (optional)
• Protection of hydraulic fittings to be placed under the boiler cod. 8094530 (optional)
• Suitable for operation in a partially protected place according to EN 15502, with a maximum ambient temperature of 60°C and a minimum of -5°C
• Integrated climatic regulation
• Manual system loading device and water pressure control manometer
• Pressure transducer which blocks the boiler in case of water shortage
• Connections to the system in brass (DIN)

Product Warranty All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

• peso: 30.0 kg
• classe energetica produzione acs: A
• classe energetica riscaldamento: A
• gas: Methane
• marca: Syme
• metri quadri : 150
• modello: 8115005
• potenza in kw: 25
• potenza nominale: 25
• superficie riscaldabile mq: 150