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Execution above the sink
Legend:
1 – Closing valve
2 – Reduction valve
3 – Non-return valve
4 – Cross-flow mixing tap - above sink
4a – Cross-flow mixing tap - under sink
Prior to the electric connection, the heater must be obligatorily filled with water. By first filling the
faucet for the hot water upon the mixing tap must be opened. The heater is filled with water when
the water starts to run through the outlet pipe of the mixing tap. If the heater at connection would
not be filled with water, at first switching-on the damage of thermal fuse shall occur and the
heater shall not operate at all.
CONNECTION OF THE WATER HEATER TO THE ELECTRIC NETWORK
Connection of the water heater to the electric network must be performed according to stan-
dards for electric installation. The heater shall be connected to electric power supply over elec-
tric cable with plug. If the built-in cable shall be replaced with a new longer, the built-in cable
may be removed and the new connecting cable inserted where the cable wires shall be screwed
to the connection terminal. In order to do this the plastic lining of the water heater must be
removed. This is done so that at first the plate is removed, inserted in the front side of the plas-
tic lining. The plate is released so that in the slot between the inserted plate and the plastic lin-
ing at first at the thermostat knob and on the side in front of the knob cautiously a screwdriver
is pushed in. When the plate is released at both sides, it can than be removed by hand. Than
the thermostat knob is removed and the screw under the knob is unscrewed. At last also all four
screws for fixing of plastic lining are unscrewed and the lining removed.
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Execution under the sink
H – Cold water
T – Hot water