4
Alpha HE CB25/33, SY25 - Technical Data
845 mm
450 mm
345 mm
22 mm
2.10 L
2.15 L
100 mm
60 mm
Case Dimensions
Height
Width
Depth
Gas Connection
Primary Water Content
HE CB25, SY25
HE CB33
Air Duct Diameter
Flue Duct Diameter
2.6
GENERAL
2.7
FLUE LENGTHS
CD Easy-Flue 500 mm with terminal and 90° bend. A CD Easy-Flue 1000 mm with terminal and 90° bend is also available.
CD 750 mm and CD 1000 mm flue extensions are available.
Length of Flue Required:-
Rear Flue
= wall thi 170 mm (includes terminal)
Side Flue
= wall thi distance between wall and side of 230 mm (includes terminal)
Vertical Flue = distance from top of boiler side panel to required roof position minus 1 m for vertical terminal assembly
Maximum horizontal flue length = 3 m.
Maximum vertical flue length including terminal is 6 m.
Each additional CD 90° Bend is equivalent to 1.3 m of flue length.
Each CD 45° Bend is equivalent to 0.9 m of flue length.
The CD Vertical Flue terminal assembly is equivalent to 1 m of flue length.
2.8
AVAILABLE PUMP HEAD FOR CENTRAL HEATING
gal/min
3.7
3.3
2.9
2.2
Btu/h
85 300
75 000
68 200
49 500
kW
25.0
22.0
20.0
14.5
Output (50/30°C) Available pump head
metres
1.8
2.1
2.4
2.9
feet
6.0
7.0
8.0
9.6
litre/min
16.7
15.0
13.3
10.0
Flow rate
This information is based on 20°C system design temperature difference. Refer to Section 3.7, System Volume.
Min. Clearances for Servicing Top
(from casing)
Bottom
Sides
Front
Flue Terminal Size
Flue Terminal Protruding
Hole Size Required For Flue Assy.
Lift Weight
HE CB25
HE CB33
HE SY25
2.5
INSTALLATION
235 mm
250 mm
5 mm
450 mm
100 mm Dia.
100 mm
110 mm Dia.
45 kg
47 kg
42 kg
HE CB25 and HE SY25
gal/min
4.4
3.7
3.3
2.9
Btu/h
102 300
85 300
75 000
68 200
kW
30.0
25.0
22.0
20.0
Output (50/30°C) Available pump head
metres
1.5
2.1
2.3
2.6
feet
5.0
7.0
7.6
8.6
litre/min
20.0
16.7
15.0
13.3
Flow rate
HE CB33
Burner
Main Heat Exchanger
Condensing Heat Exchanger
DHW Heat Exchanger
Main Burner Injector
HE CB25, SY25
HE CB33
Flue Outer Duct - Condensing
Flue Inner Duct - Condensing
Stainless steel
Copper
Aluminiun
Stainless Steel
1.30 mm x 11
1.30 mm x 15
White
Plastic
2.3
COMPONENTS
2.4
ELECTRICAL
Supply
External Fuse
Power Consumption HE CB25, SY25
HE CB33
Internal Fuse
Electrode Spark Gap
230/240 V ~ 50 Hz
3 A
150 W
170 W
F2 A
2 - 4 mm
Содержание Alpha HE CB25
Страница 33: ...33 9 1 HE CB25 33 ILLUSTRATED WIRING DIAGRAM Alpha HE CB25 33 SY25 Wiring Diagrams 9 WIRING DIAGRAMS...
Страница 34: ...34 Alpha HE CB25 33 SY25 Wiring Diagrams 9 2 HE SY25 ILLUSTRATED WIRING DIAGRAM...
Страница 35: ...35 9 3 HE CB25 33 FUNCTIONAL FLOW WIRING DIAGRAM Alpha HE CB25 33 SY25 Wiring Diagrams...
Страница 36: ...36 9 4 HE SY25 FUNCTIONAL FLOW WIRING DIAGRAM Alpha HE CB25 33 SY25 Wiring Diagrams...
Страница 38: ...38 Alpha HE CB25 33 SY25 Fault Finding 10 3 DOMESTIC HOT WATER HE CB25 33 only Follow operational sequence...
Страница 39: ...39 Alpha HE CB25 33 SY25 Fault Finding 10 4 FAULT FINDING SOLUTIONS A to F...
Страница 40: ...40 Alpha HE CB25 33 SY25 Fault Finding 10 5 FAULT FINDING SOLUTION SECTIONS G to J...
Страница 41: ...41 Alpha HE CB25 33 SY25 Fault Finding 10 6 FAULT FINDING SOLUTION SECTIONS K to L...
