Eldom Invest 72269 Technical Description Manual For Installation, Operation And Maintenance Warranty And Warranty Condi page 19

order not to allow thermal cut-out of the electrical heating element
during normal operation. The pressure of the heat-transfer liquid in
the heat exchangers must not exceed the stated working pressure
of the heater.
WATER HEATER INSTALLATION ON THE WALL
OF THE PREMISE
The water heater can be installed only in normal fire safeguarded
premises and where temperature cannot fall under 0 °C. The
availability of a siphon on the installation for waste waters as
during normal usage of the water heater, water may leak from the
safety valve aperture. At the same time the siphon will facilitate the
water tank maintenance, prevention and servicing operations
when water needs to be drained out of the water tank.
The type and nature of wall construction material, the appliance
dimensions, the way of fixing it, the location of its fixing elements
and tubes, its protection against dripping water must be taken into
account when choosing the proper place for installation. The
appliance must be mounted where it is protected against water
dispersion or water pouring over. In order to reduce heat loss it is
recommended to keep minimum distance between the heater and
the places where the hot water is used.
It is obligatory that there are spaces provided between the
appliance and the surrounding walls and the ceiling of the premise,
as follow:
For vertical heaters – at least 70 mm between the appliance
Ÿ
and the ceiling; at least 50 mm between the appliance and the
side wall; at least 350 mm below the appliance to facilitate
servicing and possible repair.
Forhorizontalheaters–atleast70mmbetweentheunitandthe
Ÿ
ceiling;atleast70mmbetweenthesidecover(outletsexcluded)
and the wall; at least 350 mm between the electric part plastic
coverandthewalltofacilitatetheservicingandpossiblerepair,
and a sufficient distance below the unit for installation of water
connectionsanddrainthewaterfromthetank.
In tanks with heat exchangers must be kept a distance from
Ÿ
the coil terminals side and the joints for additional
thermostats necessary to connect the additional control and
safety units.
Water heater should be installed steadily on the wall of the
premises. For this purpose steel bolts (studs), tightly fixed in the
wall, with diameter 10-12 mm are used. The fixing elements should
be secured against pulling aside the wall – they should be anchor
or passage bolts (depending of the wall construction material). It is
recommended that the elements on which the heater will be
suspended are designed for three times greater loads than the
appliance total weight and located in the water therein. Installation
of the water heater on decorative walls (made of single bricks or of
other light materials) is strictly forbidden. On Fig. 1, 1g, 2, 3, 10 and
in the tables are shown the distances between the bolts (studs) for
mounting the units. Vertical heaters of 150 and 200 liters are
equipped with special type of suspension plates and
correspondingly the distance between the bolts (studs) differs
from that of other models and modifications, please refer to Fig. 1g.
WARNING! The bearing plates of horizontal water heaters
must be securely clamped to the premise wall. Under the bolts
heads (nuts on studs) must be placed support washers!
Given the greater weight for water heaters of 150 and 200 liters
there are higher requirements for fixing to the premise wall and to
the wall itself:
Given the wall type, material and strength, in order to provide
Ÿ
secure attachment for vertical water heaters it is necessary to
build an additional structure or to take adequate measures to
strengthen an existing one. Samples of such constructions
are shown on Fig. 8 for reinforced concrete wall thick 25 cm
and more, and on Fig. 9 - for brick wall and others materials.
The producer supplies additional package of bolts brackets
Ÿ
for horizontal water heaters. These water heaters may be
mounted only on reinforced concrete wall thick 25 cm and
more. The brackets are attached to the premise wall with
securely held studs (anchors) The location of the brackets
and the way the water heater is attached to them are shown
on Fig. 10.
WARNING! Non observance of the requirements for fixing the
water heater on the wall may cause damages of the appliance,
damages on other appliances and the premises, where the
device is located, as well as corrosion of the casing or even
more serious failures and damages. In such cases eventual
failures and damages are not a subject to manufacturer and
seller warranty liabilities and will be at the expense of the party
which has not observed the present manual instructions.
The water heater mounting to the premise wall must be completed
only by a specialist.
WATER HEATER CONNECTION TO THE WATER
SUPPLY NETWORK
The plumbing to which the water heater will be connected, as well
as any other elements included in it shall have to withstand
sustained water temperatures above 80 °C and for short periods -
above 100 °C, as well as to pressure at least twice high the
appliance working pressure.
Upon connection of the water heater to the water supply grid, the
arrows and indication rings around the water heater pipes for hot
and cold water must be observed (inlet and outlet pipes). With an
arrow towards the pipe and blue color is marked the cold water
pipe and an arrow starting from the pipe in red color – the hot water
pipe. Some appliances pipes are additionally marked with badges.
The pipes outlets are with threading 1/2". A schematic diagram for
water heater connection is shown on Fig 11. Where local
regulations require use of additional devices that are not included
with the unit supply set and are not placed in the packaging, these
must be purchased and installed according to regulations.
The water heater is equipped with a combined check-safety valve.
The latter is factory-fitted on the cold water pipe. Exception is
made for horizontal mounting models 72265Х, 72270Х, 72266Х
and their modifications, where the pipes for hot and cold water
pass through the housing of the water tank. For these models the
combined check-safety valve is located in a bag attached to the
appliance packaging and MUST OBLIGATORY be mounted on
the cold water pipe. During that installation follow the arrow on its
hull showing the direction of water flow through it.
WARNING! It is FORBIDDEN to install any kind of shut-off
fittings between the combined valve and the water heater! It is
absolutely forbidden to obstruct the lateral opening of the
combined valve and/or to block its lever!
Where the plumbing pipes are copper or of another metal, other
than that of the water tank, or where brass fasteners are used, it is
obligatory to install on the water tank inlet and outlet non-metallic
couplings (dielectric fittings).
EN
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