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hydraulic connections, have female threading (see table for dimensions) and are positioned in
the lower rear left part of the heat exchanger along the return line and in the upper rear left part of
the boiler along the flow line;
exhaust connection has female threading (see table for dimensions) and must be connected to
the exhaust valve;
emergency cooling coil is used for emergency cooling of the water circulating the heat exchanger
of the boiler when the water is very hot. The coil has a G½" male union threading;
combustion gas outlet duct (external diameter shown in Table 2.2) is located in the upper rear
part of the boiler;
the heat exchanger is thermally insulated with mineral wool to minimise thermal dispersion;
doors of the fuel hopper and the combustion chamber are made of cast iron to ensure high thermal
resistance and sealing of the boiler;
external casing of the boiler is made with sheet steel.
Technical data
3.3.
Thermal and technical data of "TECNIKA" hot water wood gasification boilers:
PARAMETERS
MODEL
HEAT OUTPUT AT COMBUSTION CHAMBER
NOMINAL HEAT OUTPUT
OPERATING RANGE (min-max)
SOLID FUEL USED
WOOD LOG CONSUMPTION RATE (min-max)
FRESH AIR RATE REQUIRED FOR EFFICIENT
COMBUSTION PROCESS AND BOILER
OPERATION
AVERAGE WOOD LOG CONSUMPTION RATE
(the boiler operates in a normal heating
system)
HEATING EFFICIENCY (min-max)
TEMPERATURE OF COMBUSTION GASES AT
NOMINAL HEAT OUTPUT
SOLID FUEL RESIDUE
Technical specifications and dimensions
TECNIKA 28-35
USE AND INSTALLATION MANUAL
UNIT OF
MEASURE
kW
kW
kW
Wood logs for heating, max. water content 20%
kg/h
kg/h
3
m
/h
kg/h
%
°C
ASH
VALUES
28
28
25
13-25
3,7-6,9
80-95
55-70
4.7
85
180-230
The quantity depends on the ash contents of
the raw fuel, as well as on the operating
conditions
Technical dept. - All rights reserved - Reproduction prohibited
Chapter
3
page 9
35
35
30
15-30
5,1-9,7
110-130
100-110
6.7
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