Required Minimum Gaps/Assembly Clearances; Using Boiler Template; Mounting The Appliance On The Bracket; Removing/Attaching The Appliance Casing - Vaillant ecoMAX 646 Installation And Maintenance Manual

3 Mounting
3.4

Required minimum gaps/assembly clearances

Both for the installation/assembly of the appliance and
for carrying out maintenance tasks later, you need the
minimum gaps and assembly clearances given below:
5
Fig. 3.3 Required minimum gaps/assembly clearances (mm)
Combustible materials may be safely placed next to the
appliance provided the minimum side clearance of 5 mm
is maintained for servicing, and if required ventilation
purposes. The external temperature of the appliance will
never be such as to cause combustion.
3.4.1

Using boiler template

• Fix the paper template to the wall ensure that the
template is vertical. The template shows:
- the position of the fixing holes for the boiler
mounting bracket
- the position of the connections
- the position of the flue exit hole
• Mark the position of the hanging bracket fixing holes.
• Drill 2 holes Ø 8 mm for the hanging bracket.
Note!
Use alternative fixing holes where necessary.
3.5

Mounting the appliance on the bracket

• Hang the appliance on o the mounting bracket (1) from
above with the bracket (3).
• Mount the cable connections to the appliance, making
sure they are disconnected from the power supply.
10
350
5
250
240
75
75
50
50
85
1
3
Fig. 3.4 Mounting the appliance on the bracket
3.6

Removing/Attaching the appliance casing

Removing the casing
To dismount the front casing of the appliance, proceed
as follows:
• Loosen the screw (1) on the bottom of the appliance.
• Press in both retaining clips (2) on the bottom of the
appliance so that the casing is released.
• Pull the casing (3) forwards by its bottom edge and lift
the casing up and off (4).
2
1
Fig. 3.5 Removing/Attaching the appliance casing
Attaching the casing
To mount the casing, proceed as follows:
• Place the casing on the upper appliance ensuring that
the casing and appliance lips engage.
• Push the casing onto the appliance so that the retain-
ing clips (2) on the casing click into place.
• Fix the casing by tightening the screw (1) on the bot-
tom of the appliance.
Installation and maintenance manual ecoMAX 646 / 0020020158_02
2
23
4
3