S&P CAD HE 450 EC H TSP Manuel D'utilisation page 32

We recommend not to use this unit in combination with devices which are using
combustion air unless there is a security device installed which would switch of
the unit in case of pressure difference in the house.
( ) 1500
= , °
∆ = = =
∙ ∙ 0,36 ∙ 450
0,36 ∙
ℎ
( 0° ) = 1,006 / ∙
( 0° ) = 1,29
/
32