5
3
Technical Data
Table 1 - GENERAL
Table 2 - PERFORMANCE
4
Sitting the appliance
4.1
The appliance may be installed in any room with
the exception of a bedroom or any room containing a bath
or a shower.
4.2
The appliance is not suitable for external installation.
4.3
The appliance does not require any special wall
protection.
4.4
The wall must be capable of supporting the weight
of the appliance. See Technical Data – Table 1.
4.5
If the appliance is to be fitted in a timber framed
building, refer to the British Gas Publication ”Guide for
gas installations in timber framed housing”.
4.6
The following clearances must be available for
installation and for servicing:
Above
300 mm
In front
600 mm
Below
150 mm
Right hand side
10 mm
Left hand side
10 mm
4.7
The appliance must NOT be installed in a room
having a volume of less than 5.0m
3
.
4.8
No combustible surface must be within 75 mm of
the casing. See BS 476:4.
5
Air supply
5.1
The appliance is a flueless appliance and requires
permanent ventilation in accordance with the following
details.
5.2
A permanent air vent shall be provided. This
permanent opening shall be direct to outside air and in
accordance with the following table.
The values given are the minimum required.
5.0 to 10.0 m
3
11.0 to 20.0 m
3
Above 20.0 m
3
100
50
nil
Yes
Room Volume
Ventilation Requirements cm
2
Flueless Appliances Openable window or
equivalent reqd.
5.3
Where an extract fan is fitted additional air vents
shall be provided. As a general guide an extra 50 cm
2
of
air vent free area will be sufficient for most situations.
5.4
Refer to BS 6798 and BS 5440 part 2 for additional
information.
Natural Gas
LPG
Minimum rated output (Pmin)
4.4 kW
4.4 kW
Maximum rated output (Pn)
8.7 kW
8.7 kW
Rated input (Qn)
10.4 kW
10.4 kW
Gas rate (maximum)
1.1 m
3
/h
0.8 kg/h
Number of injectors
8
8
Injector diameter (mm)
1.1
0.70
Pilot injector marking
111
70
Burner pressure
9 mbar
15 mbar
Height (mm)
438
438
Width (mm)
270
270
Depth (mm)
189
189
Dry weight
7.0 kg
7.0 kg
Maximum cold water supply inlet pressure
12 bar (180 p.s.i.)
Minimum cold water supply inlet pressure to operate the appliance
0.15 bar (1.5 p.s.i.)
Minimum cold water supply inlet pressure for maximum domestic hot water flow
0.6 bar (9 p.s.i.)
Domestic hot water delivery with temperature control knob fully anticlockwise
5 litres/minute at 25°C
temperature rise
Domestic hot water delivery with temperature control knob fully clockwise
2.5 litres/minute at 55°C
temperature rise
Содержание W 125 FL
Страница 10: ...10 11 Spare Parts Fig 10...
