Table of Contents
Advertisement
PRE-INSTALLATION
4.5
APPLIANCE LOCATION AND CLEARANCES
4.5.1
Installation
This appliance is only suitable for installing internally within a property at
a suitable location onto a fixed, rigid surface at least the same size as the
appliance and capable of supporting the appliance weight.
No surface protection is required against heat transfer
from the appliance.
The appliance must be installed where:
• An engineer can gain clear and safe access to work on the product or
component, including making adequate provision for visual
inspection of flues in voids.
• The homeowner can gain clear and safe access to the controls,
check, top up or reset the appliance.
• Products in loft cavities must have permanent fixed lighting, a
permanent fixed retractable ladder and a fixed floor area sufficient to
allow access for normal use and servicing directly under and around
the product and between and the access hatch.
4.5.2 SERVICING CLEARANCES -
VENTILATED COMPARTMENT
Figure 17 shows the minimum space required to install and service the
appliance in a ventilated compartment.
• If a appliance is installed in a compartment with clearances less than
shown in the tables 14, 15, or 16 ventilation is required. Refer to
table 12 for ventilation requirements.
Vent position
To room or internal
space
High level
Min. free area 122cm
Low level
Min. free area 122cm
Table 12 Compartment ventilation
930 mm
Using 100 mm
flue kit
5 mm
1080 mm
Using 125 mm
flue kit
1100 mm
20 mm*
600 mm**
Fig. 17 Ventilated compartment
*
Minimum clearance to removable door
**
Minimum clearance required for servicing
Table 13 Minimum clearances
20
Direct to outside
2
Minimum free area 61cm
2
Minimum free area 61cm
410 mm
+ 30 mm
above elbow
5 mm
200 mm
4.5.3 COMPARTMENTS:
Follow the requirements of BS6798 and BS5440 Part 2 and note:
• Minimum clearances must be maintained.
• An access door is required to install, service and maintain the
appliance and any ancillary equipment.
• If the appliance is installed in an unventilated airing/storage
cupboard, there is no requirement to make a partition between the
appliance and the storage space as long as the minimum clearances
around the appliance are maintained.
• Ideally, storage should be below the appliance, where the appliance is
mounted in the upper part of the cupboard, whilst maintaining the
clearances given in tables 14, 15, or 16.
4.5.4 APPLIANCE CLEARANCES- UNVENTILATED
COMPARTMENTS
The tables below show the options for the minimum space required to
install and service the appliance inside an unventilated compartment.
4.5.5 INSTALLATION CLEARANCES - UNVENTILATED
COMPARTMENTS
CAUTION: CLEARANCES
▶ Top and bottom clearances must not be reduced
below the values shown in table 14 as they are the
minimum clearances required for servicing.
Unventilated Compartment Installation Clearances (millimetres)
Suggested total unventilated compartment minimum clearances are:
Side
Above
400mm
170mm approx.
(30mm above elbow)
2
Table 14 Minimum unventilated compartment clearances
2
If Side Clearances are Reduced (millimetres)
If total side clearance is
reduced to: (Combined
left and right
clearances excluding
the appliance)
350
300
250
200
150
100
50
Table 15 Reduced side clearances
If Front Clearance is Reduced (millimetres)
If front clearance
Increase overall height
(to removable
clearances to
door) is reduced
(approx.):
to:
(Combined top and
bottom clearances
excluding the
appliance)
50mm
25mm
Table 16 Reduced front clearances
Below Front (to removable door)
200mm
100mm
Increase height
OR Front clearance
clearances to (approx.):
(to removable
(Combined top &
door) must be
bottom clearances
increased to:
excluding the
appliance)
441
523
617
717
856
1012
1202
OR Increase total side
clearance to:
(Combined left and
right clearances
excluding the
appliance)
511mm
505mm
596mm
569mm
6 720 821 670 (2018/06)
129
161
200
243
295
358
434
Hide quick links:
Advertisement
Table of Contents
