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3.2.5. Boiler room ventilation
The boiler has sealed combustion chamber. Combustion air is not drawn from boiler room therefore specific recommendations need not to be
applied concerning the boiler room or openings and ventilation provided to the boiler room.
It is mandatory to install the boiler in an adequate room following laws and standards applicable in the country of
installation, which are considered as fully transcribed in this manual.
3.2.6. Air intake / flue gas discharge system
As far as flue gas discharge into the atmosphere and air intake / flue gas discharge systems are concerned, comply with laws enforced in the
country of installation, which are considered as fully transcribed in this manual.
The boiler is equipped with safety devices checking correct flue gas exhaustion.
Should an air/flue gas system malfunction occur, the safety devices shut down the boiler and no. 4 or no. 3 and no. 8 LEDs
start flashing (see no. 2 chart).
It is strictly forbidden to tamper with and/or prevent operation of such safety devices.
Should the boiler repeatedly shut down, it is necessary to have air/flue gas system ducts inspected, as they might be
obstructed or inadequate to flue gas discharge into the atmosphere.
In air intake/flue gas discharge systems, specific, manufacturer approved, condensate acid-resistant systems for
condensing boiler are to be used.
Flue gas discharge pipes are to be installed tilted toward the boiler so that condensate runs in the direction of the
combustion chamber, which is designed for condensate collection and drainage.
Should the above procedure not be possible to be implemented, it is necessary to install, in condensate stagnation areas,
devices designed for condensate collection and conveying to the condensate drain system.
It is necessary to avoid formation of condensate stagnation areas in the flue gas discharge system, with the exception of
the condensate drain siphon eventually connected to the discharge system itself.
The manufacture shall not be held liable for damage resulting in incorrect installation, use, modification of the equipment or non-
observance of instructions provided by the manufacturer or applicable installation standards involving the product.
Installation examples
pic. 8 – Installation examples of air intake/flue gas discharge pipes
Chart to acronyms:
A
Air intake -
S
Flue gas discharge - Condensate - Rain
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