Bosch Worcester Greenstar Ri ErP + Series Installation And Maintenance Instructions Manual page 27

Key to Figure 22:
[1] 200mm below eaves and 75mm below gutters, pipe and drains.
[2] The dimension below eaves, gutters, pipes and drains can be
reduced to 25mm, as long as the flue terminal is extended by
100mm past any overhang. The telescopic flue joint must be
sealed with suitable silicone sealant if it is external to the building.
[3] 300mm adjacent to a boundary line, unless it will cause a
nuisance. BS 5440: Part 1 recommends that care is taken when
siting terminal in relation to surfaces or boundary lines.
[4] 1,200mm separation measured between terminals facing each
other.
[5] 600m distance to a surface or boundary line facing a terminal,
unless it will cause a nuisance. BS 5440: Part 1 recommends that
care is taken when siting terminal in relation to surfaces or
boundary lines.
[6] The terminal must be at least 1500mm from the opening or vent
when sited below the window or 600mm when sited to either side
or above.
[7] 600mm diagonally to an opening door, air vent or opening
window.
[8] 1,200mm separation between a vertical flue measured
horizontally and a horizontal flue terminal.
Not required if the horizontal flue is 1,200mm above.
[9] For the purpose of determining suitable flue terminal positions for
gas appliances, the boundary can be considered to extend to the
centre line of any adjacent routes or waterways e.g. paths,
streets, rights of way, canals, rivers or railways.
[10] 300mm to an internal or external corner. 300mm above a
surface, such as the ground/ floor level or roof surface.
* If the terminal section is less than 150mm and has two screws
securing it to the elbow, the terminal section will not require a
supporting bracket.
[11] 300mm above, below and either side of an opening door, air vent
or opening window.
[12] Below ground level in an open lightwell. The flue must be at least
600mm from the opposing surface and have at least 300mm
clearance either side and below. The flue terminal must be no
more than 1000mm from the top of the lightwell.
[13] Flues should clear any LPG storage by 1,000mm horizontally and
300mm above.
[14] Proximity of flue duct outlet to boundaries, 2000mm distance to
an opening in adjacent building facing a terminal. BS 5440: Part
1 recommends that care is taken when siting terminal in relation
to boundary lines.
[15] 300mm from an opening or vented window, 150mm to a fixed
unvented window.
[16] The dimension below eaves, balconies and car ports can be
reduced to 25mm, as long as the flue terminal is extended to clear
any overhang. The telescopic flue joint of the terminal must be
sealed with suitable silicon sealant if it is external to the building.
Note:
▶ Installations in car ports are not recommended.
▶ The flue cannot be lower than 1,000mm from the top
of a light well due to the build up of combustion
products.
▶ Dimensions from a flue terminal to a fanned air inlet
to be determined by the ventilation equipment
manufacturer.
▶ A flue terminal guard shall be fitted whenever a
terminal or air inlet is fitted less than 2,000mm
above ground, above a balcony or above a flat roof to
which people have access.
6 720 821 670 (2018/06)
PRE-INSTALLATION
27