Bellfires UNICA 200 L Instruction For Use & Installation Instructions page 18

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2.3 PREPARATIONS BEFORE INSTALLATION
Before installing the appliance, fi rst observe the following instructions.
2.3.1 The most important facilities according to the regulations
1 NATURALLY VENTILATED HOUSE (see Figure 6).
• The room in which the appliance is to be fi tted must have a non-
closable combustion air supply opening. The minimum dimensions
are detailed in "Technical Details/Regulations" at the rear of this
manual (see also Paragraph 2.4, point 2).
• The fl ue gas exhaust must exit at "outlet area
AIR SUPPLY
OPENING
Figure 6: Naturally ventilated house
18
OUTLET AREA I
GAS
".
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