Potterton SIRIUS FS 50-70, Installation, Operation And Maintenance Manual, Page: 39 / 40

39
7115344.01 - en INSTRUCTIONS PERTAINING TO THE INSTALLER
Boiler model FS 50 70
Category II
2H3P
II
2H3P
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Maximum heat output 75/60°C kW 45 65
kcal/h 38.700 55.900
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kcal/h 41.882 60.458
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kcal/h 10.148 11.524
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kcal/h 10.148 16.598
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kcal/h 11.008 12.470
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kcal/h 11.008 17.974
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Central heating system max. pressure bar 4 4
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Flue type — B23 - B23P - C53*
Flue duct diameter mm 80 80
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Type of gas used — G20 G20
— G31 G31
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Propane gas feeding pressure 3P mbar 37 37
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Mechanical inlet to BS6644 m 3
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Maximum Flow Temperature °C 72 73
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Dimensions height mm 850 850
width mm 450 450
depth mm 621 693
* C53 (only with air intake kit)
23. TECHNICAL DATA