Alpha Boilers SY24 - Technical Data; Performance - Natural Gas; System; Components

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2.1 PERFORMANCE - NATURAL GAS
2 TECHNICAL DATA
Alpha SY24 - Technical Data
Min. Clearances for Servicing Top
(from casing) Bottom
Sides
Front
Flue Terminal Size
Flue Terminal Protruding
Hole Size Required For Flue Assy.
Lift Weight
2.4 INSTALLATION
220 mm
250 mm
5 mm
450 mm
100 mm Dia.
130 mm
110 mm Dia.
38 kg
MAX.
28.4
96 900
23.3
79 500
10.7
4.28
2.71
95.70
MIN.
12.1
41 300
9.3
31 700
2.2
0.9
1.16
40.96
Room sealed chamber
panel fitted
Central Heating
Heat Input kW
(Gross) Btu/h
Heat Output (modulating) kW
Btu/h
Burner Pressure mbar
Settings in wg
Gas Rate m³/h
ft³/h
Burner
Main Heat exchanger
Main Burner Injectors
Flue - Outer Duct
Flue - Inner Duct
Stainless steel
Copper
1.30 mm (x12)
White
Aluminium
2.3 COMPONENTS
Central Heating (Sealed System)
Max. Working System Pressure
Min. System Pressure
Max. System temperature
Pressure Relief Valve Setting
Expansion Vessel Size (pre-charge press.)
Flow Connection
Return Connection
Relief Valve Connection
Recommended System Pressure (cold)
CH Water Temp. (Approx. max.)
2.5 bar
0.5 bar
82°C
3 bar (44 PSI)
8 L at 0.8 bar
22 mm
22 mm
15 mm
1.0 bar
82°C (180°F)
2.2 SYSTEM