Technical data

3
2.1 PERFORMANCE - NATURAL GAS
2 TECHNICAL DATA
Alpha 240XP and 240XE - Technical Data
MAX.
28.63
97 700
23.3
79 500
9.6
3.84
10.6
4.24
2.74
96.76
MIN.
11.76
40 150
9.3
31 700
1.1
0.44
2.1
0.84
1.13
39.9
Room sealed chamber
panel fitted
Room sealed chamber
panel removed
Central Heating
Heat Input kW
(Gross) Btu/h
Heat Output (modulating) kW
Btu/h
Burner Pressure mbar
Settings in wg
mbar
in wg
Gas Rate m³/h
ft³/h
MAX.
28.63
97 700
23.3
79 500
9.6
3.84
10.6
4.24
2.74
96.76
9.5
2.1
MIN.
11.76
40 150
9.3
31 700
1.1
0.44
2.1
0.84
1.13
39.9
Domestic Hot Water
Heat Input kW
(Gross) Btu/h
Output to Water (modulating) kW
Btu/h
Burner Pressure mbar
Settings in wg
mbar
in wg
Gas Rate m³/h
ft³/h
Flow Rate at 35°C Rise L/min
G.P.M.
Room sealed chamber
panel fitted
Room sealed chamber
panel removed
2.2 SYSTEM
Central Heating (Sealed System)
Max. 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.) °C
°F
3 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
180
Domestic Hot Water
Max. Mains Inlet Water Pressure
Min. Mains Water Pressure
Min. DHW Flow Rate
Mains Inlet Connection
DHW Outlet Connection
DHW Water Content
Outlet Water Temp. (Approx. max.) °C
°F
8 bar
0.2 bar
2.5 l/min
15 mm
15 mm
0.17 L
62
144
2.3 COMPONENTS 2.4 INSTALLATION
Burner (15 blade)
Main Heat exchanger
DHW Heat Exchanger
Main Burner Injectors
Pilot Injector (240XP only)
Flue - Outer Duct
Flue - Inner Duct
Stainless steel
Copper
Stainless Steel
1.18 mm
0.27 mm
Epoxy coated
Aluminium
Min. Clearances for Servicing Top
Bottom
Sides
Front
Flue Terminal Size
Flue Terminal Protruding
Hole Size Required For Flue Assy.
Lift Weight
220 mm
250 mm
5 mm
450 mm
100 mm Dia.
115 mm
107 mm Dia.
39 kg