3 Technical description
3.1
General description
High-efficiency wall-hung condensing gas boilers
4
High efficiency heating (Production of domestic hot water can be
ensured by a separate hot water calorifier).
4
Low pollutant emissions.
4
Very suitable for cascade systems with several boilers.
3.2
Main parts
1
Flue gas discharge pipe / Air intake
2
Casing/air box
3
Heat exchanger (Central heating)
4
Outlet for measuring combustion gases
5
Ignition/ionization electrode
6
Mixer pipe
7
Combined venturi and gas valve unit
8
Air intake silencer
9
Instrument box
10
Siphon
11
Box for the control PCBs
12
Fan
13
Water flow pipe
3.3
Operating principle
3.3.1.
Shunt pump
The boiler is supplied without a pump. When choosing a pump, take
account of the boiler resistance and system resistance.
¼
See chapter: "Technical specifications", page 13.
If possible, install the pump directly under the boiler on the return
connection.
¼
See chapter: "Connection of the heating circuit", page 20.
T002036-B
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4
5
5
6
2
3
9
11
10
12
13
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Quinta Pro 30 - 45 - 65 - 90 - 115
3. Technical description
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