Related Manuals for Mareli Systems LC 25
Summary of Contents for Mareli Systems LC 25
- Page 1 Mareli Systems LC 25 / 30 / 35 / 40 / 50 KW SOLID FUEL BOILER Assembly and exploitation manual...
- Page 2 Mareli Systems Observing the prescriptions of the present manual is in the user’s favour and is one of the warran- ty conditions. Compliance with this instruction is in the interest of the consumer and one of the warranty terms. These instructions are an integral part of this product. All rights reserved. Repro- duction of content of this document and transfer to third parties is not allowed without written approval from manufacturer.
- Page 3 Mareli Systems G 1-1/4” G 3/4” G 3/4” G 1-1/4” G 3/4”...
- Page 4 Mareli Systems...
- Page 5 Mareli Systems Greutate B (mm) H (mm) A (mm) C (mm) D (mm) E (mm) F (mm) G (mm) I (mm) (kg) 1294 1125 1235 Ø149 1294 1014 1140 1235 Ø149 1294 1014 1140 1235 Ø149 1294 1014 1115 1235 Ø179...
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Page 6: Technical Data
Mareli Systems TECHNICAL DATA Nominal Power (kW) Weight (kg) Required draft (mbar) Max working temperature (ºC) Max working pressure (bar) Boiler water content (litres) Height (mm) 1294 1294 1294 1294 1294 Width (mm) Depth (mm) 1044 Flue gas exhaust connection (mm) -
Page 7: Boiler Installation
Mareli Systems 2. BOILER INSTALLATION 2.1 Location of the boiler The room where the boiler is to be placed must be provided with ventilation. It must be placed in such a way that there is access on all sides, according to the attached sketch: 2.2 Connection to the chimney... - Page 8 Mareli Systems The dimensioning of the chimney is a very important condition for the opera- tion of the boiler at optimal parameters. The chimney must be designed in such a way as to make the gases escape correctly and to keep the necessary air in the boiler.
- Page 9 Mareli Systems CONNECTION EXAMPLE WITH BUFFER + BOILER LC boiler Heating circuit Safety valve 2.5 bar Room thermostat Circulation Pump Buffer Electronic regulation unit Mixer valve (60 C) Contact thermostat Expansion vessel Buffer Tank Water Boiler Circulation Pump heating...
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Page 10: Boiler Operation
Mareli Systems Example scheme for installation of an anti-condensation valve. It is recommended that the valve be at least 60 C. At the discretion of the installer, a valve with a higher return water temperature may be installed. 3.2. Filling the boiler and the installation with water Filling is done through the emptying connection (which is found on the return of the boiler). - Page 11 Mareli Systems 4.1 Solid fuel operation Heating with solid fuel can be done in two ways: TOP HEATING – place the solid fuel in the combustion chamber on top of the pipes (there should be no ash). The draft regulator is in the maximum position. Light the fire at the top with a small piece of wood or charcoal.
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Page 12: Safety Measures
Mareli Systems 5. SAFETY MEASURES 5.1 Safety measures in case of overheating For the hydraulic protection in the closed system, it is necessary to install a 4-way thermal safety valve, as in the figure below (it is not included in the standard supply). - Page 13 Mareli Systems DOMESTIC water supply mains inlet safety discharge HOT WATER SAFETY DISCHARGE MAXIMUM LENGTH OF THE SENSOR MUST NOT EXCEED 120 MM. MAINS INLET...
- Page 14 Mareli Systems CONTROL PANEL K500 (NG21) Chrono Main Temperature Winter / Summer 65 C RUN MODE Power Main Thermostat State - Exit from menu/submenu refill Function (push for 3 seconds) - Ignition, extinguishing and errors reset (push for 3 seconds) Enable/Disable Chrono...
- Page 15 Mareli Systems CHRONO This Manu allows selecting the programming modalities and and the Ignition/Extinguishing time slots. Modality - It allows selecting the disired modality, or disable all set programming. Disable 1. Enter modi cation mode through the key P3. Daily 2.
- Page 16 Mareli Systems CONTROL PANEL: USE AND FUNCTIONS The main frame shows: MESSAGES time and date, chrono activation, combustion Description Code power and recipe, functioning state, error code, main temperature, main thermostat, PRob Anomaly of the probes checking, during Check Up phase.
- Page 17 Mareli Systems DIAGRAM FOR SMB 50 KW ROTARY (NG21) LINEA...
- Page 18 Mareli Systems...
- Page 20 MARELI SYSTEMS disclaims any responsibility for possible inaccuracies contained in this manu- al if they are due to printing or transcription errors. We reserve the right to make any change that appears to be necessary or useful without harm the essential characteristics.
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