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DESCRIPTION AND PRINCIPLE OF WORK
IV.
The appliance consists of a body, flange at the bottom side /for
water heaters intended for vertical mounting/ or at the sides /for
water heaters intended for horizontal mounting/, protective plastic
panel safety-return valve.
1.
The body consists of a steel reservoir (water tank) and housing
(outer shell) with thermal insulation placed in-between made of
ecologically clean high density polyurethane foam, and two pipes
with thread G ½ '' for cold water supply (marked by a blue ring) and
hot water outlet pipe (marked by a red ring).
The inner tank may be of two types depending on the model:
•
Made of steel protected form corrosion by a special glass-
ceramics coating
•
Made of stainless steel
The flange is outfitted with: electric heater and thermostat.
2.
The water heaters with glass-ceramics coating are outfitted with a
magnesium protector.
The electric heater is used for heating the water in the tank and is
managed by the thermostat, which automatically maintains the set
temperature.
The thermostat has a built in overheating safety device, which
switches of power to the heater when the water temperature
reaches excessive values.
The safety-return valve prevents the appliance's complete
3.
emptying in the event the cold water supply is interrupted. The
valve protects the appliance from pressure increases higher than
the allowed value during heating (! pressure increases upon an
increase of temperature), via release of excess pressure during the
drainage opening.
The safety-return valve cannot protect the appliance in the event of
water mains pressure in excess of the acceptable pressure stated for
the appliance.
MOUNTING AND SWITCHING ON
V.
Attention! Improper installation and connection of the appliance may
make it hazardous for the health and life of consumers. It may cause
grievous and permanent consequences, including but not limited to physical
injuries and/or death. Improper installation and connection of the appliance
may also lead to damage to the consumers' property /damage and/ or
destruction/, or to that of third persons, as a result of, but not limited to
flooding, explosion and/or fire. Installation, connection to the main water
and power supply, and putting into operation must be carried out by certified
electricians and technical personnel certified in installation of this category
of appliances, who have obtained their license in the state where the
installation and commissioning of the appliance are carried out, and in
compliance with its local legislation.
Notice: The installation of the unit is at the buyer's expense.
Mounting
1.
We recommend the mounting of the device at close proximity to
locations where hot water is used, in order to reduce heat losses
during transportation. In the event the device is mounted in a
bathroom, the selected location must exclude the possibility of
water spray contact from the showerhead or portable showerhead
attachment.
•
Vertical installation GCV (fig. 1a, table 1)
a wall via the mounting brackets attached to the unit's body (if the
brackets are not attached to the unit's body, they must be affixed in
place via the provided bolts). Two hooks are used for suspending
the appliance (min. Ø 10 mm) set firmly in the wall (not included in
the mounting set). The mounting bracket's construction designed for
water heaters intended for vertical mounting is universal and allows a
distance between the hooks of 220 to 310 mm (fig. 1a).
•
Horizontal installation GCH and GCR models (fig.1b, 1c) – At horizontal
installation the distances between the carrying hooks are different with the
different capacities and these values are indicated in table 2 - fig.1b and table
3 - fig. 1c.
In order to prevent injury to user and third persons in the event of
faults in the system for providing hot water, the appliance must be
mounted in premises outfitted with floor hydro insulation and plumbing
drainage. Don't place objects, which are not waterproof under the appliance
under any circumstances. In the event of mounting the appliance in
premises not outfitted with floor hydro insulation, a protective tub with a
plumbing drainage must be placed under the appliance.
Notice: the set does not include a protective tub and the user
must select the same.
Water heater connection to the pipe network.
2.
Fig. 4:
Where: 1 - Inlet pipe; 2 - Safety valve; 3 - reducing valve (for water
main pressure > 0,6 MPa); 4 - Stop valve; 5 - Funnel connected to
the sewer network; 6 – Hose; 7 - Drain water tap.
Upon connecting the water heater to the water mains you must
consider the indicative color markings /rings/ affixed to the pipes:
English
The appliance is affixed to
–
blue for cold /incoming/ water, red for hot /outgoing/ water.
The mounting of the safety return-valve supplied with the water
heater is obligatory. The safety return-valve must be mounted on
the cold water supply pipe, in observance of the direction arrow
stamped on its body, indicating the incoming water's direction.
Additional stopcocks must not be mounted between the safety
return-valve and the water heater.
Exception: If the local regulations (norms) require the usage
of another protection valve or mechanism (in accordance with
EN 1487 or EN 1489), then it must be bought additionally. For
mechanisms operating in accordance with EN 1487 the announced
operational pressure must be no more than 0.7 MPa. For other
protection valves, the pressure at which they are calibrated must
be 0.1 MPa lower than the one marked on the appliance's sign. In
these cases the safety valve which the appliance is supplied with
should not be used.
The presence of other /old/ safety return-valves may lead to a
breakdown of your appliance and they must be removed.
Other type of stopping armature is not allowed between the protection
return valve (the protective device) and the appliance.
The attaching of the safety return-valve to threads longer than 10 mm is not
allowed, otherwise this may damage the valve and poses danger for your
appliance.
With appliances for vertical assembly, the safety valve has to be
connected to the ingoing pipe with the safety plastic panel of the
appliance being taken off.
The safety valve and the pipe between the valve and the water heater
must be protected from freezing. During hose draining - its free end must
be always open to the atmosphere (not to be immersed). Make sure that the hose
is also protected from freezing.
Opening the cold-water stopcock of the water supply piping network
and opening the hot-water stopcock of the water-mixing faucet
carries out the filling of the water heater with water. After the filling is
complete, a constant stream of water must begin to flow from the
water-mixing faucet. Now you can close the hot water stopcock.
In the event you must empty the water heater, first you must cut off
its power supply. The inflow of water from the water mains must first
be terminated and the hot water tap of the mixing-faucet must be
opened. The water tap 7 (fig 4) must be opened to drain the water
from water tank. If there is no such tap build in the pipe line, than
the water can be drain directly from inlet pipe of water tank after
when you disconnect it from water main
In the event of removing the flange, the discharge of several liters of
water, which remain in the water tank, is normal.
Measures must be undertaken to prevent damage from discharging
water during draining
In case that the pressure in the water mains is over the value
pointed out in the above paragraph I, then it is necessary to
assemble a pressure reduce valve, otherwise the water heater
would not function properly. The Manufacturer does not assume any
liability for problems arising out of the appliance's improper use.
Water heater connection to the electrical network
3.
Make sure the appliance is full of water prior to switching on the
electrical mains power.
Models with power cord with a plug are connected by
3.1.
inserting the plug into a contact. They are switched off the power
supply by drawing the plug out of the contact.
The wall-plug must be properly connected to a separate electrical
circle that is provided with a protector. It must be earthed.
The appliance has to be connected to a separate electricity
3.2.
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 (
)
Models without power cord
3.3.
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
7
Instructions for use and maintenance
EN
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