Installation 4
0020209591_01 ecoTEC plus Installation and maintenance instructions 13
12 Drain line/heating ex-
pansion relief valve
connection, 15 mm dia-
meter
* Only products with
integrated hot water
generation
** Only products with
heating mode only
Consult the installation template that is supplied to find the
dimension A.
Installation depth, dimension B
612 (VU GB 126/5‑5 A) ecoTEC plus
338 mm
615 (VU GB 156/5‑5 A) ecoTEC plus
338 mm
618 (VU GB 186/5‑5 A) ecoTEC plus
338 mm
624 (VU GB 246/5‑5 A) ecoTEC plus
338 mm
630 (VU GB 306/5‑5 A) ecoTEC plus
372 mm
637 (VU GB 376/5‑5 A) ecoTEC plus
406 mm
825 (VUW GB 256/5‑5) ecoTEC plus
338 mm
832 (VUW GB 326/5‑5) ecoTEC plus
338 mm
835 (VUW GB 356/5‑5) ecoTEC plus
372 mm
838 (VUW GB 386/5‑5) ecoTEC plus
406 mm
4.5 Minimum clearances
Minimum clearance
A 165 mm: Air/flue pipe, 60/100 mm diameter
275 mm: Air/flue pipe, 80/125 mm diameter
B 180 mm; optimum approx. 250 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 Clearance from combustible components
It is not necessary to maintain a clearance between the
product and components made of combustible materials.
4.7 Using the installation template
▶ Use the installation template to ascertain the locations at
which you need to drill holes and make breakthroughs.
4.8 Wall-mounting the product
1. Check whether the wall has sufficient load-bearing ca-
pacity to bear the operational weight of the product.
2. Check if the supplied fixing material may be used for
the wall.
Conditions: The load-bearing capacity of the wall is sufficient, The fixing
material may be used for the wall
▶ Wall-mount the product as described.
▶ Install the product bracket (1) on the wall.
▶ Hang the product on the product bracket from above
using the suspension bracket.
Conditions: The fixing material may not be used for the wall
▶ Wall-mount the product as described using the permitted
fixing material provided on-site.
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