TECNOEKA Srl ___________________________________________________________ operating and instruction manual
page 12 _____________________________________________________________________________________________
3.8 Power supply cable connection (Models EKF 1664 TC – EKF 2011 TC)
Remove the lower back of the appliance to access the power supply terminal board. Loosen the
cable retainer located on the rear of the back (see Fig.1) and run the cable through it. The cable
must also go through the suitable hole on the electrical components panel, until reaching Prepare
conductors for connection with the terminal board so that the earth conductor is the last to be
extracted from its terminal in the event the cable should be abnormally pulled. The connection
must be done from the top of the terminal board.
Connect the 3 phase conductors to the input of the 3 terminals marked with “L1”(brown
conductor) “L2”(black conductor) e “L3”(grey conductor), the neutral conductor (blue) to the
input of the terminal marked with “N1”, (short circuit terminals “N1” , “N2” and “N3” among
them) and the earth conductor (yellow/green) to the terminal marked with the symbol (see
diagram also available by the terminal board):
Fit the lower back on again and tighten the cable retainer located on the rear. The cable must be
as per specifications in the "Technical features" table (paragraph 2.2). The appliance must be
connected to an equipotential system the effectiveness of which must be suitably assessed
according to applicable regulations. This connection must be performed between different
appliances through the suitable terminal which is marked with the symbol . The equipotential
conductor must have minimum section 2.5mm². The equipotential terminal is at the rear of the
appliance.
3.9 Connection to the water mains
The appliance must be supplied with softened drinking water, with hardness between 0.5°F and
5°F. and maximum temperature 30°C. It is obligatory to use a softener to reduce the formation
of limescale inside the cooking chamber. The water pressure must be between 100 and 200 kPa
(1.0 -2.0 bar). If the mains pressure exceeds 2.0 bar, install a pressure reducer upstream of the
appliance. If the value is lower than 1.0 bar use a pump to raise the pressure. The appliance is
equipped with flexible hose (1.5 metres) with threaded ¾” female fittings and relevant gaskets.
The old joints must not be used. Connection to the water mains must be performed through the
¾” threaded solenoid valve located at the rear (bottom) of the appliance (see Fig.1), interposing a
mechanical filter and a stopcock (before connecting the filter drain off a certain amount of water
to flush the pipe from any dirt).
Warning
Any damage caused by limescale or other chemicals contained in the water are not covered by
warranty.
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