Metal-Fach GHT Скачать руководство пользователя страница 11 | Manualshive

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Metal-Fach GHT Скачать руководство пользователя страница 11

10

Relationship between water content and fuel humidity

The amount of water in fuels is given as either water content or fuel humidity. The water content
(in %) refers to the moisture content of the fuel or the fresh matter (LSD) and the moisture
content of the fuel to the completely dry matter (SS).

Example:

If 100 kg of fuel contains 50 kg of water, the water content is 50% (w50) and the fuel humidity
is 100% (u=100).

Determination of fuel requirements

From the calorific value and the required rated thermal output you can calculate the fuel
requirement. Important factors influencing this parameter are the water content of the fuel and
the efficiency of the installation.

1.4.2 Basic information on the combustion of wood chips to produce heat.

What's woodchips?

The raw material for wood chips comes from 100 percent natural forest and plantation wood.
This raw material has the form of trunks or branches. The chips are produced using fast cutting
tools as defined in EN ISO 17225-4.

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Содержание GHT

Страница 1: ...GHT Operation and maintenance documentation Transtlation of the original manual Issue I 05 05 2020 ENGLISH...

Страница 2: ...maintenance during its lifetime The manufacturer is not responsible for any damage resulting from improper connection installation and use of the device It is forbidden to touch and disassemble the p...

Страница 3: ...ing the boiler to central heating systems 20 5 1 installation of the boiler in an open system 21 5 2 installation of the boiler in a closed system 21 6 Operation and use of the boiler 23 6 1 basics of...

Страница 4: ...the boiler is a company METAL FACH Heating Technology Jacek Kucharewicz Information and pictograms The following information pictograms have been used to mark dangerous places on the device These oper...

Страница 5: ...of chimneys which do not comply with building standards Failure to perform basic periodic cleaning and maintenance of the boiler Mechanical damage Following the recommendations and advice given in thi...

Страница 6: ...p new installations repeated check every 2 years Tightening of the dust emission limit values 20 mg m and CO 400 mg m in 1st degree BImSchV regulation 2 After the transition period the emission limits...

Страница 7: ...ling of the system during this period must be carried out with hot water so that the water in the system does not freeze during filling CAUTION If there is any suspicion of the possibility of water fr...

Страница 8: ...ndations and instructions We recommend it All persons must have access to the operating instructions and must be familiar with them and comply with their instructions before starting to operate the de...

Страница 9: ...lation doors connection spigots clean hatch covers and control unit feeder and fuel tank Installation of the boiler unit in a household level boiler room is recommended under the supervision of an aut...

Страница 10: ...atch is the basic amount that affects the combustion It determines the energy efficiency and thus the potential energy yield during combustion The calorific value of wood based fuels ranges in practic...

Страница 11: ...umidity is 100 u 100 Determination of fuel requirements From the calorific value and the required rated thermal output you can calculate the fuel requirement Important factors influencing this paramet...

Страница 12: ...can be max 30 M30 Bulk density of wood chips depending on water content according to EN ISO 17225 4 Quality characteristics of wood chips Good quality wood chips low homogeneous water content without...

Страница 13: ...it falls to the bottom Poor quality wood pellets cracked rough surface large length differences high dust content floats 1 4 4 Minimum fuel requirements Ingredients When buying wood for combustion ch...

Страница 14: ...are designed for preparation of hot water in central heating systems to the temperature at the boiler outlet not exceeding 95 oC They can be used in central heating and domestic hot water systems bot...

Страница 15: ...m It is used for emergency extinguishing of the firebox Under the combustion chamber there is an ashtray Periodic cleaning of the boiler exhaust system takes place through the inspection openings plac...

Страница 16: ...entral heating Fig 4 Basic overall dimensions of the boiler side rear view 1 fuel tank filling flap 2 the controller control panel 3 cleaning door 4 the firebox door 5 ashtray door Internal water refi...

Страница 17: ...17 Drawing 5 Detailed dimensions of the 22 kW Drawing 6 Detailed boiler dimensions 40 kW Drawing 7 Electrical diagram of the GHT 22 kW boiler Drawing 8 electrical diagram of GHT 40 kW boiler...

Страница 18: ...ntilation and flue gas discharge Water for supplying boilers and heating installations must be free of mechanical impurities and should be characterised by parameters in accordance with the PN 85 C 04...

Страница 19: ...er must be transported in vertical position Otherwise the steel jacket of the boiler insulation may be damaged The boiler is delivered in an assembled condition To make it easier to bring the boiler t...

Страница 20: ...aning and maintenance Ventilation In boiler plants up to 25 kW the supply air ventilation should be carried out by means of an unclosed opening of at least 200 cm2 while the exhaust air should be in t...

Страница 21: ...used to calculate the chimney section area 0 003 x Q x 0 86 F m h where Q is the heat output of one or more boilers connected to one flue pipe kW h height of the chimney measured from the level of th...

Страница 22: ...with a capacity of min 4 7 of the total volume of central heating installation safety pipe with a diameter depending on the heat output of the boiler Collecting signalling bypassing and venting pipe a...

Страница 23: ...stallation model in houses supplied with water through a hydrophore and in places exposed to frequent interruptions in water supply In such cases it is not necessary to install the boiler in a closed...

Страница 24: ...e boiler controller fig 16 Controller The temperature controller regulator is a device which allows you to control the operation of the feeder and the blowing fan Additionally the device can cooperate...

Страница 25: ...needed for automatic operation of the feeder In the case of a lower level dust from the tank may occur To do this it must be ensured that the tank is always filled above the minimum level to ensure c...

Страница 26: ...embers to move back to the tank and pouring water into the combustion chamber 2 2 remove the fuel from the combustion chamber into a drawer or tin container taking care not to burn use short periods o...

Страница 27: ...abnormal chimney draught unclosed boiler door picture 13 install a chimney draught regulator improve draught close the stove door 2 Suspension of fuel in the tank use of fuel with a dust content of mo...

Страница 28: ...10 Boiler does not reach the set operating temperature use of the wrong fuel fuel with too high a humidity above 30 dirty combustion chamber obstructed head ventilation openings inappropriate controll...

Страница 29: ...ystem safety valve firefighter 3 Feed flap spring 4 Piston blind spot sensor Hall sensor 5 Igniter 6 Feeding mechanism ties 7 Burner WARNING the above mentioned parts are not subject to warranty repla...

Страница 30: ...p Wrong Picture 3 Firebox inspection flap GOOD Photo 4 Example of a controller Picture 5 Fuses Picture 6 Protective plate Picture 7 Fuel tank Picture 8 Chimney flue Picture 9 Tray lid with locking mec...

Страница 31: ...htray door closed properly Picture 14 Ceramic cartridges catalysts Picture 15 2 m3 palletized woodchip Photo 16 Example of a furnace controller Picture 17 Example of a room controller Photo 18 chips f...

Страница 32: ...METAL FACH...

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