Technical Data - Alpha 240XP Installation And Servicing Instructions

2

TECHNICAL DATA

2.1 PERFORMANCE - NATURAL GAS
Central Heating
Heat Input
(Gross)
Heat Output (modulating)
Burner Pressure
Room sealed chamber
panel fitted
Settings
Room sealed chamber
panel removed
Gas Rate
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.)
2.3 COMPONENTS
Burner (15 blade)
Main Heat exchanger
DHW Heat Exchanger
Main Burner Injectors
Pilot Injector (240XP only)
Flue - Outer Duct
Flue - Inner Duct
MAX. MIN.
kW 28.63 11.76
Btu/h 97 700 40 150
kW 23.3 9.3
Btu/h 79 500 31 700
mbar 9.6 1.1
in wg 3.84 0.44
mbar 10.6 2.1
in wg 4.24 0.84
m³/h 2.74 1.13
ft³/h 96.76 39.9
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
°C 82
°F 180
Stainless steel
Copper
Stainless Steel
1.18 mm
0.27 mm
Epoxy coated
Aluminium
Domestic Hot Water
Heat Input
(Gross)
Output to Water (modulating)
Burner Pressure
Room sealed chamber
panel fitted
Settings
Room sealed chamber
panel removed
Gas Rate
Flow Rate at 35°C Rise
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
2.4 INSTALLATION
Min. Clearances for Servicing
Flue Terminal Size
Flue Terminal Protruding
Hole Size Required For Flue Assy.
Lift Weight
Alpha 240XP and 240XE - Technical Data
MAX. MIN.
kW 28.63 11.76
Btu/h 97 700 40 150
kW 23.3 9.3
Btu/h 79 500 31 700
mbar 9.6 1.1
in wg 3.84 0.44
mbar 10.6 2.1
in wg 4.24 0.84
m³/h 2.74 1.13
ft³/h 96.76 39.9
L/min 9.5
G.P.M. 2.1
8 bar
0.2 bar
2.5 l/min
15 mm
15 mm
0.17 L
62
°F 144
Top 220 mm
Bottom 250 mm
Sides 5 mm
Front 450 mm
100 mm Dia.
115 mm
107 mm Dia.
39 kg
3