• the opening must not be closing, but protected from a grate that doesn't reduce the useful section for
the flow rate of the air; that's why motive to the section of the hole is added the section of the closed
part of the grate;
• a correct airing could also be gotten through the add openings more, provided that the adds of the
varied sections it correspond to the necessary one;
• if iss not possible practise the near opening to the floor, it is necessary increase the section of the same
at least of the 50%;
• the presence of a fireplace in the same place requires a feeding of own air, otherwise the installation of
apparatuses of B type has not allowed;
• if in the place there is other apparatuses that require of air for their operation (for instance cloaks or
aspirators), the section of the opening of airing goes calculated adequately.
INDIRECT AIRING
It in the case is not possible effect the airing directly in the place, he/she/it/you could be applied the
ventilation indi-straight line, withdrawing the air from an adjoining place through an adequate opening
practised in the low part of the door. This solution is however only possible if:
· the adjoining place is endowed with direct adequate ventilation;
· the adjoining place is not [adibito] to bedroom;
· the adjoining place is not a common part of the immovable property and is not an environment with danger
of fire (for instance deposits of inflammable substances, garage, etc.).
N.B.: In case of an insufficient ventilation of the place or of an incorrect evacuation of the smokes, flue gas
thermostat provokes a lockout of the boiler. For unblocking is necessary regulate the selector in position of
reset.
2.3 BOILER PLACING
Follow these instructions:
• having considered the boiler dimensions, fix the dimension plate by means of two hook screws;
• make two holes on the dimension plate holes by means of two hook screws;
• fix all terminal pipes such as cold and hot water pipes, system inlet and return pipes, gas pipes and
electrical cables into their proper holes on the dimension plate inferior part;
• after this it is possible to take away the dimension plate and use it other times;
• hang the boiler through the previously set expansion hooks;
• for the hydraulic connections screw iron-copper joints together with previously set connections. Cut
forwarded pipes according to the distance between boiler joints and iron-copper connections that are
placed on the wall;
• tighten them firmly and control there are no losses.
N.B.: please, remember of taking lead plastic coverings away
PIXEL 25 F PIXEL 25 N, PIXEL 29 F
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