Vaillant ecoMAX pro SERIES Service Manual download pdf (Page 16)

Instructions for Use, Installation and Servicing ecoMAX pro16

8 Installation Preparation 9 Boiler fixing

8.3 Rear flue exit

Mark the position of the air/flue duct and its

circumference.

8.4 Other flue options

Flue instructions for other flue systems such as vertical

RSF flues, flues run to the side of the boiler and the use

of additional bends etc. are detailed in the flue

installation instructions.

Remove the template from the wall and plug the drilled

holes using the wallplugs supplied.

8.5 Flue Hole Cutting

The standard horizontal flue is designed with an internal

fall of 50 mm (

± 20 mm) /metre towards the boiler for

disposal of condensate.

If the standard flue length alone is being used then the

flue hole can be cut in the position marked on the wall

template.

For installations with external access, a 107 mm diameter

core drill can be used.

For installations with internal access only, a 127 mm

diameter core drill should be used.

For extended side flues, the flue hole centre should be

determined by extending the dashed incline line on the

template to the side wall. This dashed line is drawn at

a 50 mm/metre (3°) rise from the boiler. Where this line

reaches the side wall, a horizontal line should be marked.

The vertical centre line of the flue should then be marked

at 176 mm from the back wall, see Fig.

8.3.

To allow for the flue passing through the wall at this angle

a 127 mm hole should be drilled irrespective of internal

or external installation.

If necessary remove the template whilst drilling the flue

hole.

9 Boiler fixing

9.1 Fitting the boiler hanging bracket

Fix the hanging bracket to the wall using the screws

supplied. Ensure the uppermost set of screw positions

are used (it may be necessary to use additional or

alternative fixings to ensure adequate support).

NOTE:

If the boiler is to be fitted in a timber framed

building ensure that the bracket is secured to a

substantial part of the timber frame capable of

taking the weight of the boiler.

9.2 Boiler Fixing

Having previously secured the hanging bracket to the

wall, lift the boiler into position in the following manner:

Lean the top of the boiler slightly to the wall and

position just above the hanging bracket. Allow the boiler

to slowly move downwards until engaged in the hanging

bracket.

Fig 8.2

12688

Fig 8.3

12689

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Vaillant ecoMAX pro SERIES Service Manual Page 16

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