Installation Principles; Gas Connection Installation - Mandik MONZUN 15 Series Installation, Operation Instructions And Maintenance Manual

Gas hot-air heater
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The heater must be installed in accordance with applicable standards and regulations.
Hot air heaters can not be installed in places with a potential explosion hazard such as storages of
gasoline, solvents, oil, places with presence of chlorine vapor, trichlorethylene, perchlor, or high
flammable dust and wood chips etc.
The equipment must be installed by qualified personnel, according to the manufacturer's instructions
and applicable standards (EN 1020, Art. 7.4.; EN 15001-1, TPG 704 01)
● LOCAL CONDITIONS OF FUEL DISTRIBUTION, FUEL CHARACTERISTICS, OVERPRESSURE,
EXISTING STATUS HEATER SETTINGS IN THE PRODUCTION PLATE ARE COMPATIBLE;
● MAIN CONDITIONS OF ELECTRICAL POWER SUPPLY ARE COMPATIBLE WITH ELECTRICAL
DATA ON THE LABEL.
The minimum distance between the surface of the heater and the non-insulated flue gas pipe is 500 mm
from all sides, except the front distance. Front distance is 3000 mm. It is not permitted to discharge flue
gas through the wall / ceiling from combustible materials.
The conditions for connecting gas heaters to the for gas distribution and to the electricity network are
given in chapters 10 a 11.
The design and installation of the flue gas duct must comply with the relevant standard. Examples of
type installation are given in Chapter 8.
The amount of combustion air for heaters must comply with relevant standards and regulations.
Recommended installation height Z (mm) of heaters MONZUN (with outlet with tilting louvers on
discharge) is listed in Tab. 4.1.
Free access (min. 500 mm) to the burner chamber and to the exchanger must be provided from the
sides. Determination of the safety distance of heaters and exhaust pipes from the surface of building
materials must comply with the relevant standards.
Flue gas exhaust
Air supply for combustion
Gas connection
Grommet PG 13,5 - 4 pieces
Service switch
Earthing clamp
Connection of heaters with output power up to 50 kW is solved according to EN1775 Gas supply - gas
pipelines in buildings - operational requirements; connection of heaters over 50 kW is solved according
to EN 15001-1 Gas supply - Gas pipelines with operating pressure higher than 0.5 bar for industrial use
and gas pipelines with operating pressure higher than 5 bar for industrial and non-industrial use. In the
piping, a stable non-fluctuating gas pressure must be guaranteed during operation of the heater. See
tab. 3.1.
The actual connection of the heater to the gas through a flexible gas hose or through a screw
connection. The gas inlet pipe is terminated with an external thread G3/4", the minimum gas hose
diameter is 15 mm. The ball valve and gas hose are not part of the heater.
10

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