PRE-INSTALLATION
6720818077 (2016/04) -
Greenstar Highflow CDi
ErP
15
3.6
Boiler location and clearances
• This is a floor-standing boiler and is only suitable for installing on the
floor, internally in a property
• Install onto a rigid non-combustible surface at least the same size as
the boiler and capable of supporting the boiler weight.
• The boiler is not suitable for external installation unless a suitable
enclosure is provided.
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 boiler
and any ancillary equipment.
• If fitting the boiler into an airing cupboard use a non-combustible
material to separate the boiler from the airing space, that can be
perforated with holes up to 13mm.
3.6.1
Boiler clearances
There are several clearances to be considered when either installing or
servicing a boiler in an unventilated or ventilated compartment.
Fig. 12
Clearances
Refer to figure 12 and the table below for the minimum clearances.
3.6.2
Airing cupboard clearances
The dimensions below show the minimum space required to install and
service the boiler within an airing cupboard.
If a compartment is built around the boiler after installation, then the
compartment must be separated from the boiler space by a
non-combustible partition as described in BS 6798.
Fig. 13 Airing cupboard clearances
3.6.3
Vented compartments
If the clearances available are less than those stated for an unventilated
compartment or an airing cupboard then ventilation must be provided as
described in BS 5440.
A minimum of two air vents of equal size must be fitted, one at low level
and another at high level on the same wall using the same air for
circulation.
Fig. 14 Venting compartments
item Minimum distance requirements for compartments
1
Overall height of compartment
2
Overall depth of compartment
3
Overall width of compartment
4
Height above the boiler to top of compartment
5
Depth to front of boiler (or shelf)
6
Gap between sides of boiler and compartment
7
Gap between shelf and back of compartment
Compartment clearances (mm)
item
Installation
Servicing
Unventilated
1
1450
865
900
2
1200
1200
800
3
610
610
800
4
600
15
50
5
600
600
1)
1) Can be reduced to 25mm to a removable door or panel
200
2)
2) Space required with removable door or panel
6
5
5
100
3)
3) Can be reduced to 50mm on one side but maintaining the overall 200mm
minimum
6720818077-08.1W
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item
Minimum clearances (mm)
1
2300
2
625
3
800
4
200
5
25
1)
1) From the front of the boiler and the front of the shelf
6
100
7
100
item Boiler
Air source
Minimum area of vent
1
440CDi
ErP
Internal room or space 310cm
2
550CDi
ErP
440cm
2
2
440CDi
ErP
Outside
155cm
2
550CDi
ErP
220cm
2
3
All
100mm space between the boiler and vent
6720818077-09.1W
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1
6720818077-10.1W
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2
1
3
