NJL/GTECH- 3/10/06 Revision No.3
5
D
E
B
C
A
H
F
J
G
K
F
A minimum flat level area around
the opening must be provided to
seal the appliance to the
fireplace opening.
Fig 4
The fires are not suitable for wall mounting. A non-combustible hearth conforming to the
dimensions shown in Fig no. 2 must be fitted in front of the fire.
VENTILATION :
Ventilation required for these appliances must be in accordance with the rules in force and
checked regularly for obstructions:-
All 18” inset, 18”Hotboxes and 22” Hotboxes
must have a permanent air vent of an effective
area of at least 100cm
2
(15.5in
2
) in the room. The vent must be either to outside air or to an
adjacent room having permanent vent to outside of the same area.
16” NV & 16” Class II Hotbox
do not normally (spillage test to determine) require any additional
ventilation into the room into which they are to be installed when installed in Great Britain.
If the appliance is installed in IRELAND, a minimal cross sectional area of 100mm
2
is required.
INSTALLING THE APPLIANCE (Hearth clearances) :
A non-combustible
hearth with a minimum
thickness of 12.5mm
and having a perimeter
of 50mm above floor level is required to discourage placing carpets or combustible materials
close to the hearth. The width must be a minimum of 150mm either side of the fireplace opening
and a depth of 300mm from the front face of the fire opening. (Fig. 4).
Note: -
If this appliance is to be fitted not less than 9” up the Wall, then no hearth need be fitted.
But extra care must be taken to ensure that loose fret cannot be knocked from position
Model
A Min
B Min
C Min
D Min
E Min
F Min
G Min
H Min
I Min
K Min
16”
415
560
265
520
600
150
715
300
50
20
18”
465
560
265
570
600
150
765
300
50
20
22”
565
560
265
670
600
150
865
300
50
20
Clearance to sides and shelves :
150
Fig 5
150mm or more above the top point of the
appliance, provided it does not project
