Opop H4 EKO-D Series User Instructions page 25

H4EKO-D
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In terms of safety and economy of operation, the appliance must be operated according to the Instructions.
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The boiler may be left unattended, provided that the power is set so that it cannot overheat the system (reduced
operation) or if it is equipped with a regulated and operable combustion air draft controller, however, the operator must
check it occasionally.
During operation, some parts of the boiler (filling, cleaning and ashpan doors, flue) can be heated to a higher
temperature, causing burns when touched. Therefore, use the protective gloves included in the accessories.
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The boiler may only be operated by adults who are familiar with these Instructions. Keeping children unattended near
the appliance is inadmissible.
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It's forbidden to use flammable liquids for igniting in the appliance and in any way increase its rated output (thermal
overload) during operation.
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The user may only carry out routine maintenance or replace spare parts. Do not interfere with the boiler design, change
its function or leave the damaged product in operation.
Certainly, during the first and even subsequent heating intervals, excessive air condensation on the boiler surfaces may occur; a
dark fluid may appear in the ashpan section. This is due to the low water temperature in the boiler (below the condensing point
of 65°C) and the low flue gas temperature. The condensing will cease after partial settling of combustion products on the walls
and after igniting above 65°C. This is not a boiler leak. Each boiler is thoroughly tested with overpressure and the possibility of
leakage is virtually eliminated.
The boiler is tarred:
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At low chimney draught. If it is permanently low, it is removable only by a structural modification. If it is temporarily low,
it is due to weather conditions
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With wet fuel
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When the reduced operation is permanent at a low temperature below the air condensing point of the flue gas, i.e., 65°C
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Incorrect boiler size due to heat losses of heated space
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In case of improper handling.
necessary to press the button on the STB sensor at the back of the boiler
to put the boiler back into operation.
Make sure that the system and the boiler have water, the pumps work
properly and the boiler is installed with the buffer tank according to the
law. Alternatively, call the OPOP service.
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Instructions