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1.5 System layout
3
2
1
19
18
17
1
Burner
2
Flame inspection window with pressure measurement
point
3
Door
4
Casing
5
Outlet
6
Safety device fitting
7
Heating return (high temperature)
8
Heating return (low temperature)
9
Blind plug
10 Instrument bulb/sensor sockets
11
Combustion chamber
12 Flue gas exhaust
13 Flue gas box
(*)
On the models RTC 3000-80 to RTC 5500-80 the safety fitting (6) is flanged.
(**)
On the RTC 5500-80 the low temperature heating return (8) is located at the rear of the boiler.
4
5
6 (*)
7
7
8 (**)
14 Inspection window
15 Condensate outlet
16 Boiler drain
17 Turbulators
18 Flue gas pipes
19 Second flue pass
GENERAL
9
10
11
10
12
13
14
15
16
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