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Water heater connection to the pipe network
2.
Fig. 4: a) - for vertical installation; b) - for horizontal
installation GCHV; c) - for horizontal installation GCH;
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: 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.
Attention! The presence of other /old/ safety
return-valves may lead to a breakdown of your
appliance and they must be removed.
Attention! Other type of stopping armature is not
allowed between the protection return valve (the
protective device) and the appliance.
Attention! 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.
Attention! With boilers 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.
After it has been assembled it should be in position as
shown on Fig. 2.
Attention! 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.
English
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 4a and
4 b) 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 as follow:
•
Models equipped with safety valve with lever - You can
drain the water from the water heater by lifting the safety
return-valve's lever. Water will drain from the safety return-
valve's drainage opening
•
Models equipped with safety valve without lever - 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.
Attention! 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.
Attention! 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.
Attention! The wall-plug must be properly connected to
a separate electrical circle that is provided with a
protector. It must be earthed.
Instructions for use and maintenance
EN
9
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