Yeoman YM-CL5MF User Manual download pdf (Page 15)

150mm

minimum

Constructional Hearth

840mm minimum

Constructional Hearth

840mm minimum

150mm

minimum

150mm

minimum

225mm

minimum

PR8730

SITE REQUIREMENTS

1. HEARTH DIMENSIONS

Position On Roof Minimum Clearances

On ridge or within 600mm 600mm above ridge

Elsewhere on roof 2300mm horizontally from roof surface and:

a) 1000mm above highest point of flue exit

from roof or

b) as high as the ridge

On pitched, within 2300mm horizontally to

openable window, dormer

1000mm above top of opening

Within 2300mm of another building 600mm above top of building

1. FLUE OUTLET POSITIONS

150mm

max

Vertical

Measurement

Terminal

Insulation

Flue

Horizontal

Measurement

Adjacent

Building

The vertical measurement is the lowest from either the

point of discharge or 150mm above insulation.

IMPORTANT: Seek specialist

advice if installing in a dwelling

with a thatched roof

2.1 The appliance must stand on a non-combustible

constructional hearth which is at least 125mm thick with

the minimum dimensions as shown in diagram.

2.2 If this appliance can be installed in an elevated setting it

is recommended to increase the 225mm hearth depth to

safely contain any falling logs or embers. The higher the

appliance is installed the deeper the hearth should be to

avoid scorched floor coverings.

2.3 The building must have a suitable load-bearing capacity for

the hearth and appliance. Consult a structural engineer

for advice before proceeding.

2.4 When fitting into an existing hearth check that the hearth

complies with current construction regulations and is at least

the minimum sizes shown.

2.5 If there is no existing fireplace or chimney it is possible to

construct a suitable non-combustible housing and hearth

setting. The flue must be installed in accordance with all

local and national regulations and current rules in force.

Check if adding a new chimney to your property requires

planning permission.

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Yeoman YM-CL5MF User Manual Page 15

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