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Mareli Systems
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“Mareli Systems” expresses its gratitude towards the clients who purchased the manufactured products.
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“Mareli Systems” provides the present manual as an aid to the team, which will install, adjust and main-
tain the device, as well as to the client which will exploit it.
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“Mareli Systems” requires that the technicians who will carry out the above mentioned procedures have
passed a training course on the activities, associated with this product.
ATTENTION! For Your safety, it’s necessary to read carefully this manual as well as the exploitation and instal-
lation manual of the automated pellet burner before attempting any installation, adjustment and exploitation
activities. Also read the installation and exploitation manual of the pellet bunker if the device is provided with
one. The non-fulfillment of prescriptions and violation of active regulations and directives may lead to damage
and unexpected consequences for which “Mareli Systems” accepts no responsibility.
1. Description and advantages of the Combined Boiler “CB 35 Kw”
The Combined Boiler of this series are designed to uti-
lize solid fuel (wood, coals). It has a welded steel con-
struction. The resulting heat is absorbed by the heat ex-
change surface of the boiler body and transmitted the
heating system. These boilers used for heating in local
heating systems, but also for heating domestic water.
Automated pellet burner is part of the system and can
utilize the following types of fuel: Wood pellets size 6
and 8 mm Class A;
The full set consists of:
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Water heating boiler, representing a steel heat ex-
changer for warming up the heat conductor;
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Automated pellet burner equipped with a control
panel;
The system consists of:
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Water heating boiler (the boiler is equipped
with two doors depending on the type of fuel
that is going to be used);
The heating boiler consists of:
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Steel body;
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Thermal regulator;
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Door for mounting a burner;
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Thermometer/manometer;
The desired temperature of the boiler water is ad-
justed with the regulator and is maintained at this
maximal value.
The airflow is controlled by a valve (connected to
the regulator). At the back there is a compartment
that contains the ash residue.
The thermometer/manometer indicates the temper-
ature in the heating boiler and the water pressure.
2. Description of the system: water heating boiler heat exchanger
