Glow-worm Ultracom cxi User Manual download pdf (Page 11)

HORIZONTAL FLUES

A DIRECTLY BELOW AN OPENING, AIR BRICK,

OPENING WINDOWS 300

B ABOVE AN OPENING, AIR BRICK,

OPENING WINDOWS 300

C HORIZONTALLY TO AN OPENING,

AIR BRICK, OPENING WINDOWS 300

D BELOW GUTTER, DRAIN/SOIL PIPE 25

E BELOW EAVES 25

F BELOW A BALCONY OR CAR PORT 25

G FROM VERTICAL DRAIN PIPES AND

SOIL PIPES 25

H FROM INTERNAL/EXTERNAL CORNERS 25

* TO A BOUNDARY ALONGSIDE THE

TERMINAL 300

I ABOVE ADJACENT GROUND OR

BALCONY LEVEL 300

* FROM SURFACE OR A BOUNDARY

FACING THE TERMINAL 600

K FACING TERMINALS 1200

L FROM OPENING (DOOR/WINDOW)

IN CAR PORT INTO DWELLING 1200

M VERTICAL FROM A TERMINAL 1500

N HORIZONTALLY FROM A TERMINAL 300

VERTICAL FLUES

P FROM ANOTHER TERMINAL 600

Q ABOVE ROOF LEVEL 300

R FROM ADJACENT OPENING WINDOW 1000

S FROM ADJACENT WALL TO FLUE 300

Diagram 4.2

4.1 Flue Options

There are various ue options to choose from as illustrated in

diagram 4.1. The ue lengths and installation are described in

section 10.

4.2 Flue Terminal Position

In GB the minimum acceptable siting dimensions for the

terminal from obstructions, other terminals and ventilation

openings are shown in diagram 4.2.

In IE the minimum distances for ue terminal positioning must

be those detailed in I.S.813 “Domestic Gas Installations”.

The terminal must be exposed to the external air, allowing free

passage of air across it at all times.

Being a condensing boiler some pluming may occur from

the ue outlet. This should be taken into consideration when

selecting the position for the terminal.

Carports or similar extensions of a roof only, or a roof and

one wall, require special consideration with respect to any

openings, doors, vents or windows under the roof. Care is

required to protect the roof if made of plastic sheeting. If

the carport comprises of a roof and two or more walls, seek

advice from the local gas supply company before installing the

boiler.

H* and J* See diagram 4.2. These dimensions comply with

the building regulations, but they may need to be increased to

avoid wall staining and nuisance from pluming depending on

site conditions.

NOTE: If the ue terminal is positioned near a light source

insects may enter the ue system. Where safe and practical to

do so advise the homeowner to check the ue outlet and clear

visible insects from the terminal end.

4.3 Terminal Guard

A terminal guard is required if persons could come into contact

with the terminal or the terminal could be subject to damage.

If a terminal guard is required, it must be positioned to provide

minimum of 50mm clearance from any part of the terminal and

be central over the terminal.

The guard should be similar to that shown in diagram 4.3.

A suitable guard is manufactured by: -

Tower Flue Components

Morley Rd.

Tonbridge

Kent TN9 1RA.

Size: 280mm x 165mm. Part No: CGDK3

4 Flue Options and Terminal Clearances

Diagram 4.3

15583

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 67 68

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Glow-worm Ultracom cxi User Manual Page 11

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