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3.1.
Models with power cord with a plug are connected by inserting the
EN
plug into a contact. They are switched off the power supply by drawing
the plug out of the contact.
ATTENTION! The wall-plug must be properly connected to a
separate electrical circle that is provided with a protector. It must be
earthed.
3.2.
Water heaters fitted with a supply cord without a plug.
The appliance has to be connected to a separate electricity circuit of
the stationary electrical wiring.The connecting has to be constant- with
no plug contacts. The circuit has to be supplied with a safety fuse (16A)
and with inbuilt device to ensure disconnection of all pole pieces in the
conditions of over-voltage from category III.
The connecting of the conductors of the supply cord of the appliance has
to be carried out as follows:
•
conductor with brown insulation – to the phase conductor of the
electrical wiring (L)
•
conductor with blue insulation- to the neutral conductor of the wiring (N)
•
conductor with yellow-green insulation – to the safety conductor of the
wiring (
)
3.3.
Models without power cord
The appliance has to be connected to a separate electricity circuit of the
stationary electrical wiring. The circuit has to be supplied with a safety
fuse 16A (20A for power > 3700W). Copper single core (rigid – non
stranded) conductor shall be used for the connection – cable 3 x 2.5 mm²
(cable 3 x 2.5 mm² for power > 3700W).
The electrical circuit supplying the appliance must have an in-built device
ensuring the splitting of all terminal poles under conditions of super-
voltage of category III.
To install the power supply wire to the appliance, remove the plastic cover
(Fig.3).
Connect the power wires in compliance with the marks on the terminals,
as follows:
•
the phase - to mark A, A1, L or L1;
•
the neutral - to N (B or B1 or N1)
•
The safety wire must be obligatory connected to the screw joint marked with
.
After the installation, put the plastic cover back in its place!
Note: For models with externally adjustable thermostat (shown on Fig.
3), dismount the handle before mounting the cover by pressing it from
the internal side till it gets detached from the plastic cover. Mount the
plastic cover again, afterwards set the handle on its place by pressing it to
click in.
III. RUST PROTECTION MAGNESIUM ANODE
The magnesium anode protects the water tank's inner surface from corrosion.
The anode element is an element undergoing wear and tear and is
subject to periodic replacement.
Caution: The anode protector MUST be checked, and changed if
needed, after each year of exploatation.
For replacements, please contact the authorized service stations!
IV. OPERATION
Switch on:
Before switching on the appliance for first time, make sure that the water
heater is properly connected to the power supply network and full with
water.
The appliance is switched on by a switch integrated into the installation,
described in item 3.2 of Section IV, or upon connecting the plug to the
electrical contact (in the case of an extension cable with plug).
IMPORTANT: Models that do not have thermostat control knobs
have automatic water temperature preset by the manufacturer.
Temperature setup (for models with adjustable thermostat) - This setup
allows the gradual setting of the desired temperature, achieved by using a
handle on the control panel.
THE CONTROL LAMP on the panel indicates the state (the mode) in
which the appliance is placed: it is lit when the water is being heated and
is switched off when the specified by the thermostat water temperature
level is reached.
e
Position
(Energy-save mode) – At this mode, water temperature
reaches up to approximately 60 °С. Heat losses are reduced in this way.
Protection according to the temperature (valid for all models).
The appliance is equipped with a special facility (thermal circuit-breaker)
for protection against over-heating of the water, which is switching off the
heater from the electricity network, when the temperature reaches too
high values.
ATTENTION! When this device operates, it does not self-reset and
the appliance will not work. Please call an authorized service for
solving the problem.
4
Instructions for use and maintenance
V.
MODELS EQUIPPED WITH A HEAT EXCHANGER
(SERPENTINE TUBE) - FIG.1D,1E,1F.
These are appliances with inbuilt heat exchanger and are intended to be
connected to the heating system with maximum temperature of the heat
carrier of 80 °C.
The control over the flow through the heat exchanger is a matter of
solution for the particular installation, whereby the choice should
be made at its design (e.g. external thermostat that measures the
temperature in the water tank and operates a circulation pump or a
magnet valve).
Water heaters with a heat exchanger provide the opportunity for the
water to be heated in two ways:
1.
by means of a heat exchanger (coil) – a primary way of heating the
water,
2.
by means of an auxiliary electrical heating element with automatic
operation, built in the appliance – it is used only when additional
heating of the water is needed or in case of repairs to the system of the
heat exchanger (coil). The proper way of connecting the appliance to
the electric network and how to work with it has been specified in the
previous paragraphs.
Mounting
In addition to the mounting manner outlined above, especially for the
latter models, it shall be required to connect the heat exchanger to the
heating installation. The connections are to be carried out in observance
of the direction indicated by the arrows on Fig. 1d.÷ 1f
Technical parameters (table 6):
Surface of serpentine [m²] - S;
Volume of serpentine [l] - V;
Operational pressure of serpentine [MPa] - P;
Maximum temperature of heat carrier [°C] - Tmax.
We recommend you mount stopcocks at the heat exchanger's entry
and exit points. By stopping the flow of the thermophore via the lower
(stopcock) you shall avoid the unnecessary circulation of the thermophore
during periods of use only of the electric heating element.
Upon disassembly of you water heater equipped with a heat exchanger
you must close both stopcocks.
There is a connexion with internal thread of ½" welded to the water
tank for the purposes of installing thermal probe – marked with „TS". The
appliance is fitted with brass pocket for a thermal probe which should be
screwed into the aforesaid connexion
We recommend you mount stopcocks at the heat exchanger's entry
and exit points. By stopping the flow of the thermophore via the lower
(stopcock) you shall avoid the unnecessary circulation of the thermophore
during periods of use only of the electric heating element.
Upon disassembly of you water heater equipped with a heat exchanger
you must close both stopcocks.
The usage of dielectric bushings for connecting the heat exchanger
to an installation of copper pipes is obligatory.
For ensuring minimal corrosion, pipes with a limited diffusion of
gasses must be used in the installation.
VI. PERIODIC MAINTENANCE
Under normal use of the heater, under the influence of high temperature,
lime scale /the so-called lime scale layer/ is deposited upon the heating
element's surface. This worsens the heat exchange between the heating
element and water. The heating element's surface temperature increases
along /of boiling water/. The thermoregulator begins to switch on and
off more frequently. A ''deceptive" activation of the thermal protection is
possible. Due to these facts, the manufacturer recommends preventive
maintenance of your water heater every two years by an authorized
service center or service base. This protective maintenance must include
cleaning and inspection of the anode protector (for water heaters with
glass-ceramic coating), which shall be replace with a new one if need
arises. Each preventive maintenance of the said type must be entered
in the appliance's warranty card and must outline date of performing
the preventive maintenance, company performing the preventive
maintenance, name of person performing the preventive maintenance,
and signature.
Non-fulfillment of the above requirement may terminate the free of
charge maintenance of your boiler. In order to clean the appliances use a
damp cloth. Do not clean with abrasive or solvent content detergents. Do
not pour water over the appliance.
The manufacturer does not bare the responsibility for all
consequences caused by not obeying the instructions, given hereby.
Instructions for protecting the environment
Old electric appliances contain precious materials and
thus should not be thrown together with the household
litter. We kindly ask you make your active contribution for
protecting the resources and the environment by handing
over the appliance in the authorized buy-back stations (if
such exist).
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