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3.2.
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 appliances remove the plastic cover.
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!
Explanations to Fig. 2:
TS - thermal switch; TR - thermal regulator; S - switch (for models that have
one); R - heater; IL - light indicator; F - flange; KL - luster terminal;
V.
RUST PROTECTION MAGNESIUM ANODE (FOR WATER HEATERS
WITH WATER TANKS COVERED BY GLASS-CERAMICS COATING)
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.
In view of the long-term and accident free use of your water heater,
the manufacturer recommends periodic inspections of the magnesium
anode's condition by a qualified technician and replacement whenever
required, and this could be performed during the appliance's technical
preventive maintenance.
For replacements, please contact the authorized service stations!
VI.
OPERATION
1.
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 3.3 of Section IV, or upon connecting the plug to the
electrical contact (in the case of an extension cable with plug).
Notice: Models with a built -in switch - it is necessary to switch it
on. There is an embossed marking on the button of the electrical
switch
.
2.
Water heaters with electromechanical control
Fig. 2a and 2b where:
1 - Electrical switch button (for models with а switch)
2 - Light indicators
3 - Thermostat control knob (only for models with adjustable thermostat)
•
Push and release the button in order to switch on the electrical
switch. If it lightens, this means that it is switched on. The button lights
constantly unless the switch is switched off or the appliance power
supply from electrical main is switched off. The light indicators lighten
too (see item 2.1. below).
•
In order to switch off the electrical switch, push and release the
button again. It must stop to light if it is switched off. The light indicators
stop lighting too.
2.1.
Light indicators
The indicators light in red color – means that the appliance is in heating mode
The indicators light in blue color – means that water is warmed and the
thermostat is switched off, because the set temperature is reached
The light indicators do not light when:
•
The electrical switch of the appliance is switched off
•
The appliance power supply from electrical main is switched off
•
Protection according to the temperature is switched off – see item 4 below
2.2.
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. Turn the knob to the
upward indication, in order to increase the temperature of the hot water.
Place the thermostat knob in position for maximum temperature
(unless it is on this position constantly), for period of one day each
month - see Annex-I Maximum temperature of the thermostat. This ensures
higher hygiene of the used hot water.
English
IMPORTANT: Models that do not have thermostat control knobs have
automatic water temperature preset by the manufacturer - see Annex-I
Default temperature settings.
e
Position
(Energy-save mode) – At this mode, water temperature
reaches up to approximately 60°С. Heat losses are reduced in this way.
3.
Аnti-freezing function
Place the thermostat knob in position „Аnti-freezing" according to fig.2.
With this setup the device maintains temperature that does not allow
the water freeze in it.
The electrical supply of the appliance should be turned on and so must be
the appliance. The safety valve and the pipe between the valve and the
appliance must be protected from freezing. In case that for some reason the
electrical supply is cut off, there is a risk of freezing of the water in the water tank.
For this reason we recommend draining the water out of the appliance before long
absences (longer than a week).
4.
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.
When this device operates, it does not self-reset and the appliance
will not work. Please call an authorized service for solving the
problem.
VII.
MODELS EQUIPPED WITH A HEAT EXCHANGER (SERPENTINE TUBE).
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÷Fig. 1f.
Technical parameters (table 5):
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.
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.
VIII.
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.
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).
EN
7
Instructions for use and maintenance
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