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PRACTIKA 28-33
USE AND INSTALLATION MANUAL
Chapter 5
page 31
System installation procedure
Technical dept. - All rights reserved - Reproduction prohibited
Connection to 230V electricity supply
The installation of the electrical accessory components of the boiler requires electrical connection to a mains
at
230 V – 50 Hz
: This connection must be made according to best practice in accordance with the
applicable CEI standards.
Danger!
The electrical connection must only be performed by an authorised
technician.
Before making the connections or performing any servicing of electrical
parts, always disconnect the electricity supply and make sure it cannot be
re-established inadvertently.
Remember that an easily-accessed bipolar switch with a minimum contact opening
of 3 mm must be installed on the electrical power supply line to the boiler, in order
to facilitate and speed up any maintenance operations.
The power supply cable must only be replaced by authorised technical staff. Failure to observe the above
recommendations may compromise the safety of the appliance.
5.6.2.
Settings to make before the first start-up
Once the power supply cable at the rear of the boiler is connected, turn the switch - again at the rear - to
position
(I).
The LED in the switch will light up.
The switch at the rear of the boiler powers the system. It should never be used to turn off the boiler.
The boiler remains turned off and after a few seconds, the display shows the initial screenshot with the word
OFF
; if you press any key, the display will show the screenshot with the word
MENU
.
