Vaillant Flue pipe Specifications download pdf (Page 14)

14 Instructions for installation and servicing ecoTEC 839592_12

BCD

H, I

Fig. 3.8 Flue termination

Note

Vertical flues must not terminate within

600 mm of an openable window, air vent or any

other ventilation opening.

The flue assembly shall be so placed or shielded as to

prevent ignition or damage to any part of the building.

Terminal position mm

Directly below an opening, above an opening or hori-

zontal to an opening, air brick, opening window, etc.

300

B Below gutters, soil pipes or drain pipes 75

C Below eaves 200

D Below balconies 200

E From vertical drain pipes and soil pipes 25

F From internal or external corners 300

G Above ground, roof or balcony 300

H From a surface facing a terminal 600

I From a terminal facing a terminal 1200

From an opening in the car port (e.g. door, window)

into the dwelling

1200

K Vertically from a terminal on the same wall 1500

L Horizontally from a terminal on the same wall 300

M Distance from adjacent for vertical Flue 500

Table 3.4 Terminal position for a fan assisted concentric flue

Note

In addition, the terminal should not be nearer

than 150 mm to an opening in the building fab-

ric formed for the purpose of accommodating a

built-in element such as a window.

BS 5440–1: It is recommended that the fanned flue

terminal should be positioned as follows:

a) at least 2 m from an opening in the building directly

opposite, and

b) so that the products of combustion are not directed

to discharge across a boundary.

1) Dimensions B, C and D:

These clearances may be reduced to 25 mm without

affecting the performance of the boiler.

In order to ensure that the condensate plume does

not affect adjacent surfaces the terminal should be

extended as shown in Fig. 3.9.

2) Dimension F:

This clearance may be reduced to 25 mm without

affecting the performance of the boiler. However, in

order to ensure that the condensate plume does not

affect adjacent surfaces a clearance of 300 mm is

preferred. For IE, recommendations are given in the

current edition of IS 813.

Fig. 3.9 Flue termination under balcony/eaves

3.8 Air supply

Detailed recommendations for air supply are given in

BS 5440: Part 2.

It is not necessary to have an air vent in the room or

internal space in which the boiler is installed.

Cupboard or compartment ventilation

The boilers are very high efficiency appliances. As a

consequence the heat loss from the appliance casing

during operation is very low. For cupboard or

compartment installations it is therefore not necessary

to provide any high or low level permanent air vents for

cooling purposes.

3.9 Electrical supply

A 230 V, ~ 50 Hz single phase electricity supply fused to

3 Amp. must be provided in accordance with the latest

edition of BS 7671 (IEE Wiring Regulations) and any

other local regulations that may apply. In IE reference

should be made to the current edition of the ETCI rules.

The method of connection to the mains electricity

supply must provide a means of completely isolating the

boiler and its ancillary controls. Isolation is preferably

by the use of a fused three pin plug and unswitched

shuttered socket outlet, both complying with the

requirements of BS 1363. Alternatively, a 3 Amp. fused

double pole switch with a 3 mm contact separation on

both poles may be used.

Danger!

This appliance must be earthed.

3 General requirements

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Vaillant Flue pipe Specifications Page 14

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