Dimensions; Minimum Clearances; Using The Installation Template - Vaillant ecoTEC exclusive 843 Installation And Maintenance Instructions Manual

▶
If the unit is being lifted by two persons, ensure your
movements are coordinated during lifting.
▶
If required, get somebody to assist you in this.
4.3.3 Transporting the box from the delivery
point to the installation site – ground floor
▶
It is recommended that two people lift the unit together.
▶
Use safe lifting techniques – keep your back straight and
bend your legs at the knee.
4.4

Dimensions

3
35
100
12
1 Flue pipe wall duct
0020193968_03 ecoTEC exclusive Installation and maintenance instructions
4 5 6 7
8
10 9
440
1
2
3
4
5
6
7
35
100
188
11
2 Product holder
3 Heating flow
4 Hot water connection
5 Gas connection
6 Cold water connection
7 Heating return
Consult the installation template that is supplied to find the
dimension A.
The product's installation depth B can be found in the tech-
nical data in the appendix.
4.5

Minimum clearances

C C
A 165 mm: Air/flue pipe, 60/100 mm diameter
275 mm: Air/flue pipe, 80/125 mm diameter
B VUW 356/5-7: 180 mm; optimum approx.
250 mm
VUW 436/5-7: 300 mm; optimum approx.
340 mm
C 5 mm; optimum approx. 50 mm
D 500 mm in front of the heat generator to enable
easy access for maintenance work (may be
provided by an opening door).
4.6

Using the installation template

▶
Use the installation template to ascertain the locations at
which you need to drill holes and make perforations.
Set-up 4
8 Connection for the
heating expansion relief
valve drain line
9 Condensate trap con-
nection
10 Condensate trap
11 R1 tundish/condensate
trap connection
12 Flue pipe connection
D
Minimum clearance
9