THERMEx Sierra Manual De Instrucciones página 4

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All installation, plumbing and electrical works shall be performed by qualified per-
sonnel.
EWH installation shall be performed in accordance with marking on the housing.
It is recommended to install EWH as close as possible to the place of hot water
using to reduce heat loss in the pipes.
When choosing the place of installation it should be taken into account the total
weight of EWH filled with water. Walls and floor with low carrying capacity should be
strengthened accordingly. When drilling (making) holes in the wall consider cables,
ducts and pipes in the wall.
EWH is suspended by brackets on hook anchors fixed in the wall. Hooks mounting
on the wall shall exclude spontaneous movement of EWH brackets along them.
The manufacturer bears no liability for EWH falling associated with improper in-
stallation of anchors and their selection.
For EWH maintenance the distance from the protective cover to the nearest surface
in the direction of the removable flange axis shall be at least 30 cm for all models.
In order to avoid damage of the user's and/or third parties' property in
the event of a faulty hot water system, it is required to install EWH in
spaces with waterproofing and drainage to the sewers, and in no case to
place under items exposed to the water under EWH. When placed in un-
protected areas a protective plate (not supplied) with drainage into sewers
shall be installed under the EWH.
In case of placing EWH in hard-to-reach places in order to perform maintenance
and warranty service (mezzanine floors, niches, ceiling voids, etc.), installation and dis-
mantling of EWH is carried out by the user on his own or for his own account.
Note: safety tray is not included into the scope of EWH supply.
Cold water shall be supplied to EWH using pre-filter with water treatment level not
less than 200 µm.
Install pressure relief valve (fig. 1, p.5) at the cold water inlet (fig. 1, p. 3) tube
with the blue ring, by 3.5-4 turnings, ensuring junction tightness with any sealing ma-
terial (flax, FUM tape, etc.).
During EWH operation you can observe water leak out of the outlet pipe of the
safety valve for excessive pressure release to ensure safety of the water heater. It is
recommended to connect to a drainage hole a rubber or silicone pipe of the relevant
diameter for moisture removal.
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7. ARRANGEMENT AND INSTALLATION
8. CONNECTION TO WATER MAINS