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1.
Precautions
STEPS TO BE TAKEN IN CASE OF DANGER
Close fuel supply disconnect unit from mains using emergency stop or main switch (outside of the boiler room).
Use suitable fire extinguishers to extinguish flames.
Occurrence of gas smell (gas units)
Ventilate the affected rooms thoroughly by opening doors and windows.
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Do not use any electronic devices (mobile phone, etc.).
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Do not activate any electrical contacts (light, motor, lift, doorbell, etc.).
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Do not ignite matches or lighters, and do not smoke.
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Call the gas board or heating engineer.
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PACKAGING
After removing all packaging materials, check the contents to make sure that no damage has occurred during
shipping. When in doubt, do not use the apparatus and contact the supplier.
The packaging materials are to be disposed of properly.
THE BOILER UNIT
Smooth boiler performance and manufacturer's guarantee are dependent upon adherence to the boiler installation,
operation and maintenance instructions contained in this booklet.
Never permit children or unauthorized persons to tamper with the equipment.
The unit must be used only for its expressed application. All other uses are considered dangerous.
The burner's minimum and maximum delivery settings, all pressures and temperatures must all be contained in the
range stipulated in this manual.
Modification of the equipment in order to alter its performance or applications prohibited.
Do not open or tamper with components of the unit other than those parts of the unit that are subject to maintenance
operations.
Never touch the hot parts of the unit; these parts (flue gas conduit, sight glass, burner parts, etc.) may remain hot for
quite some time after the burner has switched off.
Never touch the unit with wet parts of the body or without wearing shoes.
When the unit is not to be used for a longer period, the main power switch on the electrical control panel must be
switched off and the manual valve on the unit fuel supply line must be closed.
The device contains components made of synthetic silicon mineral fibers (ceramic and glass fibers, insulation wool).
These components must be disposed of appropriately at the end of their life cycle. Local regulations must be
observed.
INSTALLATION AND SETTINGS
The installation and calibration of the unit must be performed exclusively by qualified personnel in conformity with
existing regulations and the indications provided in this Manual.
For hot water installation:
Maximal operating temperature: 95°C when the boiler is managed by a Navistem B1000 or B2000.
Maximal operating temperature: 105°C if the regulation system is compatible with this work.
In any case, this device has been designed according to EN 14394. The safety limit thermostat does not exceed
110° C.
THE BOILER ROOM
The boiler room must be lockable and it's external air openings must conform to the norms prevailing locally. When
in doubt regarding air circulation, measure the CO2 count with the burner operating at its maximum delivery and the
room ventilated only by the burner ventilation air openings and a second time with the door open. The CO2 count
measured in both cases must not differ. Should there be more than one unit in the same room, this test must be
performed with all the equipment operating simultaneously.
Never obstruct the boiler room's air openings, the burner fan suction opening, and any air ducts and ventilation.
The equipment must always be protected against rain, snow, and freezing conditions.
The boiler room must be kept clean and free of volatile substances that may be sucked into the fan and clog the
inner burner or combustion head air ducts.
The combustion air must be free of halogens (chlorine and fluorine compounds). If there is any doubt, the quality of
the combustion air must be ensured with an external air intake.
We reserve the right to make changes to dimensions and construction
Melbury HE, C 530 - 3000
2
Hamworthy Heating Limited – Dorset BH17 ONF
edition 12.2020
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