Worcester 47 311 43, Инструкция по установке и обслуживанию

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6 Air supply
6.1 The appliance does not require a separate vent for
combustion air.
6.2 The appliance can be fitted in a cupboard with no vents
for cooling but the minimum clearances must be increased to
those given below. (Note: The clearances at the front are for a
removable panel, e.g. a door).
6.5 Refer to BS 6798 and BS 5440:2 for additional
information.
6.3 If the appliance is to be fitted in a cupboard or
compartment with less clearance than those in table 7 (minimum
clearances are given in Section 4. Siting the Appliance) then
permanent air vents for cooling are required. One at high level
and one at low level, either direct to outside air or to a room.
Both vents must pass to the same room or be on the same wall
to the outside air.
6.4 The minimum free areas required are given below.
POSITION OF
AIR VENTS
AIR FOM THE
ROOM
AIR DIRECT
FROM OUTSIDE
HIGH LEVEL
270 cm
3
135 cm
3
LOW LEVEL
270 cm
3
135 cm
3
TERMINAL POSITION MIN. DISTANCE
directly below an openable window or
other opening e.g. air brick.
300 mm (12 in.)
Below gutters, soils pipes or drain pipes.
75 mm (3 in.)
Below eaves.
25 mm (1 in.)
Below balconies or car port roof.
25 mm (1 in.)
From vertical drain pipes and soil pipes.
25 mm (1 in.)
From internal or external corners.
25 mm (1 in.)
Above ground, roof or balcony level.
300 mm (12 in.)
From a surface facing a terminal.
600 mm (24 in.)
A -
B -
C -
D -
E -
F -
G -
H -
TERMINAL POSITION MIN. DISTANCE
I - From a terminal facing a terminal.
1200 mm (47 in.)
J - From an opening in a car port (e.g. door
window) into dwelling.
1200 mm (47 in.)
K - Vertically from a terminal on the same
wall.
150 mm (6 in.)
L - Horizontally from a terminal on the same
wall.
300 mm (12 in.)
M - From door, window or air vent (achieve
where possible.
150 mm (6 in.)
underside of the gutter or painted surface.
5.4 If a terminal is fitted less than 2 metres above a surface
to which people have access then a guard must be fitted. See
Section 2.9.
5.5 The terminal guard must be evenly spaced about the
flue terminal and fixed to the wall using plated screws.
5.6 In certain weather conditions a terminal may steam and
siting where this could cause a nuisance should be avoided.
5.7 Take care to ensure that combustion products do not
enter ventilated roof voids.
5 Siting the Flue terminal
See Fig. 4
5.1 The flue must be installed as specified in BS 5440:Part
1 and the Building Regulations.
5.2 The terminal must not cause an obstruction or the
discharge cause a nuisance.
5.3 If the terminal is fitted within 1000mm of a plastic or
painted gutter or within 500mm of painted eaves then an
aluminium shield at least 1000mm long should be fitted to the
Fig. 4
Table 7
Above the Turret 30 mm
Above casing 235 mm
Below casing 200 mm
Right-hand side 75 mm
Left-hand side 75 mm
In front 250 mm
Table 8