Installation & Servicing Instructions ATAG Q-Series
18
The boiler can be tted with a parallel connected ue gas outlet and air supply system
or a concentric ue gas outlet and air supply system.
The appliance connection diameter is 80/125 mm, to which the ue gas outlet and air
supply system can be tted, with or without elbow pieces. The next page descibes the
conversion from concentric to parallal.
The Q51S and Q60S boiler has a connection of 2x 80mm from factory. The boiler is
supplied with a ue adapter 80/25 mm to convert the boiler from parallel to a concentric
connection.
The maximum permissible pipe length is set out in Table 6.8.1.a.
Open boiler
Room sealed system
SS
P
SS
P
P
SS
P
Open ued en room sealed system gure 6.8.a
P
P/A P/A P/A
All ue gas parts, which are outside the re
resistant cover, need to be in stainless steel.
Boiler Class C
Permitted only
when the air
intake and the ue gas
outlet are in the same
pressure area.
BoilerClass B
Free exhaust area
Air lter
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