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Experts in heating

User Manual

Twin Bio

- PLV 09.13

1. General | 2. Scope of delivery | 3. Boiler specifi cations

Foreword

The Twin Bio boiler, with maximum power of 16, 24 [kW]
with automatic pellet/oats feeding, and manual wood chip
feeding sets new trends in utilising biological fuel. The Twin
Bio boiler can, without exaggeration, be called a ‘heating
system’, as this one device constitutes the best quality, fully
equipped and automated product. The planar boiler design
with water ‘tongue pipes’ allows for the optimal use of the
device’s heating surface and does not expose the exchanger
section to excessive thermal loads while maintaining
compact dimensions. Our company offers reliable, durable
and cost-effective solutions. The device has the capability to
automatically burn biomass in the form of pellets or pellet-oats
mixture. It is possible to manually load fuel in the form of wood
chips - you can therefore use a variety of biomass fuel types.
A simple and intuitive operation of a boiler/boiler room control
system is also important to the user. The large graphic display
and the ergonomic and clear interface of the boiler control
system make our solutions easy to use.

1. General

The Operation and Maintenance Manual is an integral part
of the boiler and must be provided to the User of this device.
The device installation must conform to the manual, the
relevant standards and good building practices. The boiler
operation conforming to the User Manual guarantees safe
and failure free operation and is a precondition for the
manufacturer’s warranty coverage. The speciﬁ cations may
change without notice. KOSTRZEWA shall not be held liable for
any damages resulting from incorrect installation of the device
and failure to comply with the terms and conditions of this
Operation and Maintenance Manual.

2. Scope of delivery:

The Twin Bio boiler is provided on a wooden 1350x900 mm
pallet including:
•   boiler heat exchanger;
•   Platinum Bio burner (ﬂ exible duct, Ø70, length 1 m);
•   ceramic cover, feeder chute, optional grate for oats;
•   storage hopper 286 l;
•   feeder chute to the storage hopper with cap;
•   fuel feeder;
•   Platinum Bio control;
•   cast iron grates for burning wood slabs (13 pcs. – 16 kW;

17 pcs. – 24 kW);

•   cast iron grate support;
•   cleaning tool kit;
•   user manual.

3. Boiler speciﬁ cations

The Twin Bio type boiler is a low temperature boiler with
a three ﬂ ue gas passes combustion circuit. Its design
is characterised by an appropriate shape and length.
The advantages of this solution include its lesser susceptibility
to ash deposits on the exchanger’s walls and bafﬂ es.
The ash falls into the ash pan by gravity. This helps the boiler
to achieve great operational parameters: high efﬁ ciency,
long life thanks to the appropriate design of the exchanger,
and low emissions of hazardous substances. The boiler was
manufactured in accordance with the EN 303-5:2012 standard.

The basic dimensions of Twin Bio boiler series are showed
in the following diagram (see ‘Twin Bio boiler dimension
diagram’) and the following table (see ‘Twin Bio dimension
data’).