1103UDSA-2--EN, Pag. 6/36
6. Technical
data
Table 4a : Gas category
Clearances (mm)
Units must be installed so that the minimum clearances in the following table are
provided for combustion air space, inspection and service and for proper spacing from
combustible materials.
Attention :
The clearance distance from the fl ue system must be minimum 150mm at all points !
Combustion air
supply and fl ue
system diameters
Diameter gas
connection
Table 2 : Clearances (mm)
Table 3 :
(*) : Heaters can be base mounted on suitable non combustible supports.
Model X Y Z (*) U V
008-2 → 030-2
450 50 50 50 850
035-2 → 100-2
450 100 100 100 850
Model 008-2 011-2 015-2 020-2 025-2 030-2 035-2 043-2 050-2 055-2 064-2 073-2 085-2 100-2
fl ue/air
inlet (mm)
80 80 80 80 100 100 100 100 100 130 130 130 130 130
gas con-
nection
1/2” 1/2” 1/2” 1/2” 1/2” 1/2” 3/4” 3/4” 3/4” 3/4” 3/4” 3/4” 3/4” 3/4”
Country Gas category
Belarus II2H3+
Bulgaria I2H or I3B/P
China II2H3+
Czech Republic II2H3+
Croatia II2H3P
Cyprus II2H3+
Denmark II2H3 B/P
Estonia II2H3+
Finland II2H3 B/P
Greece II2H3+
Hungary II2HS3P
Iceland II2H3+
Latvia II2H3+
Lithuania II2H3+
Montenegro II2H3+
New Zealand II2H3+
Norway II2H3 B/P
Poland II2E3P
Portugal II2H3+
Romania II2H3P
Russian Federation I2H or I3P
Serbia II2H3+
Slovakia II2H3+
Slovenia II2H3+
Spain II2H3+
Sweden II2H3 B/P
Turkey II2H3+
Ukraine I2H or I3P