Technical data

3
2 TECHNICAL DATA
Alpha 500E - Technical Data
950 mm
600 mm
450 mm
22 mm
3.2 L
100 mm
60 mm
Dimensions Height
Width
Depth
Gas Connection
Primary Water Content
Air Duct Diameter
Flue Duct Diameter
MAX.
34.5
117 700
28.0
95 550
10.8
4.32
11.5
4.6
3.25
114.8
82
180
MIN.
13.2
45 000
10.4
35 500
1.9
0.76
2.6
1.04
1.24
43.9
30
86
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
CH Water Temp. (Approx.) °C
°F
2.1 PERFORMANCE - NATURAL GAS (Cat I
2H
)
8 bar
16 bar
0.1 bar
15 mm
15 mm
54 L
5L at 3.5 bar
3.5 bar
90°C/7 bar
6 bar
Domestic Hot Water
Max. Hot Water Pressure
Max. Mains Inlet Pressure (inlet of pressure reducing valve)
Min. Mains Water Pressure
Mains Inlet Connection
DHW Outlet Connection
DHW Water Storage
Expansion Vessel Size (pre-charge press.)
Pressure Reducing Valve Setting
Temperature and Pressure Relief Valve
Expansion Relief Valve Setting
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)
2.5 bar
0.5 bar
82°C
3 bar (44 PSI)
7.5 L at 0.8 bar
22 mm
22 mm
15 mm
1.0 bar
2.2 SYSTEM
Burner (18 blade)
Main Heat exchanger
DHW Storage Cylinder
Main Burner Injectors
Flue - Outer Duct
Flue - Inner Duct
Stainless steel
Copper
Stainless Steel
1.18 mm
Epoxy coated
Aluminium
2.3 COMPONENTS
2.5 GENERAL
MAX.
34.5
117 700
28.0
95 550
10.8
4.32
11.5
4.6
3.25
114.8
20.0
4.4
65
149
MIN.
13.2
45 000
10.4
35 500
1.9
0.76
2.6
1.04
1.24
43.9
1.0
0.22
5
41
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 L/min
G.P.M.
Outlet Water Temp. (Approx.) °C
°F
Time to raise water storage 50°C
Reheat time for 70% of storage
Room sealed chamber
panel fitted
Room sealed chamber
panel removed
12.0 minutes
5.0 minutes
Minimum Clearances for Servicing
Top
Bottom
Side (L/H)
Side (R/H)
Front
Flue Terminal Size
Flue Terminal Protruding
Hole Size Required For Flue Assy.
Lift Weight
Weight Full and Operational
200 mm
250 mm
20 mm
5 mm
450 mm
100 mm Dia.
115 mm
110 mm Dia.
70 kg
130 kg
2.4 INSTALLATION
Supply
External Fuse
Power Consumption
Internal Fuse
Electrode Spark Gap
230/240 V ~ 50 Hz
3 A
190 W
F2 A
2.0 to 3.5 mm
2.6 ELECTRICAL