TECHNICAL DATA SHEET
With preheating and Aquaspeed® system - primary copper exchanger. Domestic hot water comfort, thanks to the exclusive Aquaspeed® technology. Continuous domestic hot water (DHW) production up to 13.6 l/min. Preheating function and stainless steel plate domestic hot water exchanger. Antifreeze protection for heating and DHW -10 °C. SD hydraulic connections. Low NOx emissions (class 6). LPG operation using a special kit available from an Authorized Service Center.
Saunier Duval Micra 5 E Low Nox Methane Open Chamber Boiler, 24 kW
Heating efficiency class C
Sanitary efficiency class B
XL sanitary load profile
Open Combustion Chamber
Heating
Firebox flow rate Qmin/max - 80/60°C (kW) 10.7 / 20.0
Nominal power Pmin/max - 80/60°C (kW) 9.5 / 18.0
Min/max delivery temp. (°C) 35 / 83
Type of domestic hot water production: Preheating
Min/Max Rated Power (60°C) (kW) 9.5 / 24.0
Continuous flow rate - Delta-T = 25K (l/min) 13.6
Specific Flow Rate - Delta-T = 30K (EN13203) (l/min) 11.7
Peak flow rate in 10 minutes (DT = 30K) 119
Min/Max domestic hot water temperature (°C) 35 / 60
Max absorbed electrical power (W) 88
Dimensions
Dimensions H / W / D (mm) 740 / 410 / 313
MICRA 5 E Low NOx

Micra 5 E Low NOx was designed with the aim of offering Hermann Saunier Duval installers the ideal solution for replacing traditional boilers with high NOx emissions installed in branched collective flues (CCr): it features a new low NOx emission burner designed to reduce polluting nitrogen oxide (NOx) emissions into the atmosphere and fully comply with the strict limits imposed by the ERP Regulation, in force since September 2018. Traditional wall-mounted boiler with low NOx emissions, combined for heating and domestic hot water, ErP efficiency class C for heating, B for domestic hot water with XL profile.
The Micra 5 E Low NOx, a top-of-the-line boiler in terms of fuel consumption and emissions, features the exclusive Aquaspeed system for domestic hot water production. The exclusive Aquaspeed system ensures immediate delivery of domestic hot water at the desired temperature: preheating the primary circuit, and therefore the secondary stainless steel plate heat exchanger, allows the boiler to respond immediately to any sudden demand from the user.
The exclusive Aquaspeed® system ensures immediate delivery of domestic hot water at the desired temperature. The Aquaspeed® system's operation is ingenious in its simplicity: the domestic hot water exchanger is constantly maintained at the set temperature; the hot water, passing through the exchanger's preheated plates, reaches the taps already at the right temperature. Preheating, combined with the special oversized and externally insulated plate exchanger, allows for abundant domestic hot water even at low boiler temperatures.
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