Zoom B22 Spécifications télécharger pdf (Page 9)

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INSTALLATION REGULATIONS

- Installation must by carried out by a qualified technician in conformity with current legislation, local standards and with all due

dilegence.

- The boiler must not be installed in rooms used for storing inflammable substances (paper, rags, solvents, polystyrene, plastic,

etc.).

- Do not install the boiler in spaces where it is exposed to direct contact with cooking steam, in damp spaces, in rooms subject to

chemical vapours, such as laundries, hairdressers, etc.

POSITIONING THE BOILER

- This depends on the position of the fume exhaust duct fitting (fig. 4, 5 and 7) and it must be installed in a covered and

protected area, in accordance with local legislation.

FUME EXHAUST

- The flue pipe must be sized conforming to current legislation, and made of suitable materials.

- It is important that the first stretch of the pipe is vertical, with a length not less than 2 times the diameter of the flue pipe coming

from the boiler (for "B

11BS

" with natural draft).

- The connector pipe, from the boiler attachment to the flue pipe stack, must be of an adequate section, equal to that one of the

boiler connector. It must be adequately waterproofed.

- Installation must allow free expansion and dismantling of the materials.

- The stretch between the connector pipe and the flue pipe must be protected so that condensation water, which could form in the

flue pipe, cannot return to the boiler.

FUME EXHAUST FOR BOILERS WITH OPEN CHAMBER FORCED EXPULSION, TYPE "B

" boilers work by taking the air to be burnt directly from the room where the boiler is installed, and connected in accordance

with the specifications on page 12, fig. 11.

FUME EXHAUST FOR BOILERS WITH SEALED CHAMBER FORCED EXPULSION, TYPE "C"

The "C" type boiler works by drawing the air to be burnt directly from the outside.

- Wall boilers with forced draft can be fitted with either the modular outlet system "COAXIAL FLUE" or with

"SEPARATE FLUES", see figs. 9-10 on page 12, and in accordance with the distances given in the tables on page

15.

In both cases, the flue gases can be expelled and the air drawn in either horizontally or vertically from the wall or

the roof, or through a double chamber flue pipe (only for versions with separate flues, configuration “C

”).

IMPORTANT:

It is ESSENTIAL to guarantee that the products of combustion coming from the flue pipe cannot return into the building or in any

other nearby room, through the ventilators, windows, doors, natural air infiltration or through forced ventilation air conditioning

systems.

POSITIONING THE FUME EXHAUST TERMINALS

FORCED FLOW SEALED CHAMBER APPLIANCES WITH CONFIGURATION TYPE C12-C52 B22

Terminal position

A Below a window 600 mm

B Below an air vent 600 mm

C Below the gutter 300 mm

D Below a balcony (1) 300 mm

E From an adjacent window 400 mm

F From an adjacent air vent 600 mm

G From vertical or horizontal pipes or outlets (2) 300 mm

H From a corner of a building 300 mm

I From a recess in the building 300 mm

L From the ground or another walkway 2500 mm

M Between two terminals arranged vertically 1500 mm

N Between two terminals arranged horizontally 1000 mm

O From a front surface facing outwards without apertures or

terminals within a radius of 3 metres from the fume outlet

2000 mm

Fig.4

P From a front surface facing outwards with apertures or

terminals within a radius of 3 metres from the fume outlet

3000 mm

NOTE

1) Terminals below a balcony must be positioned so that the total path of the fumes, from the point at switch they are emitted to the outlet on the

external perimeter of the balcony, is no less than 2000 mm.

2) The terminal must be positioned no less than 500 mm from materials sensitive to the action of the combustion products (for example, plastic

gutters or downspouts, wooden jetties etc.) unless these material are adequately screened.

Air supply for combustion and ventilation must be provided in accordance with BS.5440:2 regulations.

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