Glow-worm Swift flow 120 Installation Instructions Manual page 8

3
3.4 Terminal Guard
A terminal guard is required if persons could come into
contact with the terminal or the terminal could be subject
to damage.
If a terminal guard is required, it must be positioned to
provide a minimum of 50mm clearance from any part of
the terminal and be central over the terminal.
The guard should be similar to that shown in
diagram 3.5.
3.5 Timber Frame Buildings
If the boiler is to be installed in a timber frame building,
seek advice from the local gas undertaking or from
Hepworth Heating Ltd.
3.6 Room Ventilation
The boiler is room sealed, so when it is installed in a
room or space, a permanent air vent is not required.
3.7 Cupboard or Compartment Ventilation
If the boiler is to be fitted in a cupboard or compartment,
permanent high and low level air vents must be provided
The vents must have at least the effective areas as given
in Table 3.
TABLE 3
Position Air from
of Room or
Air Vent Internal space
2
High Vent 392cm (60.8in
Low Vent 392cm 2 (60.8in
220674B
Supplied By www.heating spares.co Tel. 0161 620 6677
F l u e a n d
Air Direct
from
Outside
2 2 2
) 196cm (30.4in )
2 ) 196cm 2 (30.4in 2 )
8
V e n t i l a t i o n
A
G
A
F
A
G
E
G
Under Car Port etc.
H,I
MINIMUM SITING DIMENSIONS
FOR FANNED FLUE
TERMINALS POSITION
A DIRECTLY BELOW AN OPENABLE
WINDOW, AIR VENT, OR ANY OTHER
VENTILATION OPENING
B BELOW GUTTER, DRAIN/SOIL PIPE
C BELOW EAVES
D BELOW A BALCONY OR CAR PORT
E FROM VERTICAL DRAIN PIPES AND
SOIL PIPES
F FROM INTERNAL OR EXTERNAL
CORNERS
G ABOVE ADJACENT GROUND OR
BALCONY LEVEL
H FROM A SURFACE FACING THE
TERMINAL
I FACING TERMINALS
J FROM OPENING (DOOR/WINDOW) IN
CAR PORT INTO DWELLING
K VERTICAL FROM A TERMINAL
L HORIZONTALLY FROM A TERMINAL
C
B,C
B,C
K
L
L
K
K
F
F
G
G
D
J
F
K
MINIMUM
SPACING
in mm
300
75
200
200
75
300
300
600
1200
1200
1500
300
Diagram 3.5