Vaillant ecoMAX 665 Spécifications télécharger pdf (Page 104)

48

Side flue installations

• For installations where the air/flue

duct is to be installed to the side,

the position of the flue exit hole

can be determined as follows:

• Identify the correct measurement

as shown in fig. 4.3, carefully

measure the distance from the

bottom centre of the boiler

hanging bracket (centreline of the

two lower hanging bracket fixing

holes). This gives the position of

the centreline of the 127 mm flue

elbow and adaptor when

installed.

• The position of the flue exit hole

can be determined by carefully

levelling across the wall from this

mark.

• The position of the flue exit hole

should allow the flue to be

installed with an upwards slope

towards the terminal of

approximately 3° ± 1°, equivalent

to 50 mm ± 20 mm rise per metre

of flue length. Calculate the

required rise according to the flue

length and mark the position of

the flue exithole (fig 4.4).

Note: Due to the long lengths of flue

possible and the slope required, it

may be necessary to adjust the

location of the boiler installation

template. Please check that both the

boiler installation site and flue

termination are in accordance with

these instructions prior to drilling any

holes for the boiler hanging bracket.

• Once the position of the flue exit

hole has been determined, the

hole should be cut through the

wall using a core drill of 127 mm

diameter. The flue exit hole should

be cut with a rise towards outside

of 3°.

• Measure the distance from the

outside face of the wall to the

centre of the fan outlet on the

boiler (fig. 4.5).

This is dimension A.

• For installations where the

measured distance dimension A

(fig. 4.5) is greater than 960 mm,

an air/flue extension accessory

will be required. The number of

air/flue duct extensions which can

be used depends on the boiler.

Preparation

• Determine the installation site for

the boiler with reference to the

installation and servicing

instructions supplied with the

boiler.

• Ensure that all installation and

service clearances are available

and that the boiler flue can be

installed as detailed in these

instructions.

• Fix the paper template, supplied

with the boiler, to the wall

ensuring that the centreline of the

template is vertical using a

plumbline or spirit level.

*

Fig. 4.3

LAS Euro B/S 077/1

253

Fig. 4.4

LAS Euro B/S 083/1

INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT Ø 80/125 WITH

EXTENSIONS

* = 190 mm ecoMAX combination and system boilers

* = 176 mm ecoMAX pro and ecoTEC plus open vent

* = 125 mm ecoTEC plus system & combination

*

* = 253 mm ecoMAX

combination and system boilers

* = 210 mm ecoMAX pro and ecoTEC plus

open vent

(from top holes on bracket)

* = 238 mm ecoTEC plus

system & combination

IMPORTANT:

The air/flue duct is not concentric

and the air duct has a slope of 1.5°

(if the air flue duct is not cut). The

hole through the wall can therefore

be drilled horizontally with no slope.

Where extensions are used, these

must be installed with a slope at 3° ±

1° (equivalent to 50 mm ± 20 mm

rise per metre length) to ensure that

condensate dows not remain in the

sleeve.

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