Rear Flue Exit; Other Flue Options; Fitting The Boiler Hanging Bracket; Install The Flue System - Vaillant ecoMAX SERIES Instructions For Installation And Servicing

4.2 Rear flue exit

Mark the position of the air/flue duct and its circumfe-
rence.

4.3 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 provided with the boiler.
Remove the template from the wall and plug the drilled
holes using the wallplugs supplied.
Flue hole
(80/125 mm
flue system)
Flue hole
(60/100 mm
flue system)
Boiler casing
Please use
the new
Boiler hanging
bracket
ecoMAX 824/2
ecoMAX 828/2
ecoMAX 835
ecoMAX 613/2
ecoMAX 618/2
ecoMAX 622/2
ecoMAX 635
Fixing holes and
Position for
optional
pre-instalation
connection
D.H.W.
Minimum
Clearances
Reqd.
Flow
Fig. 4.2 Using Boiler template
Instructions for installation and servicing ecoMAX
Minimum Clearances
Reqd.
Cold
Mains in
out
Return Condensale
Gas in
discharge
Boiler installation sequence 4

4.4 Fitting the boiler hanging bracket

240
75
75
50
50
85
1
3
Fig. 4.3 Fitting the boiler
Fix the hanging bracket (2) to the wall using the screws
supplied. (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.

4.5 Install the flue system

Install the flue system (refer to separate air/flue duct
installation instructions)
2
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