Unical AIREX 25 2S, Installation And Servicing Manual

Page: 21 / 40

21
Instructions for the installer
3.11 - ELECTRICAL CONNECTIONS
General Warnings
The appliance’s electrical safety is guaranteed only when the
same appliance has been correctly earthed in compliance with
the regulations in force. The gas and water feeding pipes and
the CH system pipes cannot be used as ground plates.
Ensure that the above safety electrical requirements have been
implemented; in case of doubt, ask for a professionally qualified
engineer to check the appliance’s electrical system.
UNICAL refuses responsibility for any damages arising from
failure to earth the boiler correctly.
It is necessary that a qualified technician verifies that the
electrical system is adequate to the appliance’s maximum
absorbed power, indicated on the data plate, checking in
particular that the section of the system’s cables is suitable to
the appliance’s maximum absorbed power.
The use of adaptors, multiple sockets and/or extension cords
For the appliance’s general electrical supply is strictly forbidden.
The use of any power supplied equipment implies the
observance of he following fundamental rules:
• Do not touch the appliance with any wet part of your body
and/or barefooted;
• Do not pull the supply cables
• Do not expose the boiler to sunlight, rain, etc., unless it is
explicitly foreseen;
• Do not permit children or inexpert people to use the
appliance
Connection to mains electrical supply 230V
I collegamenti elettrici generali sono illustrati a pag. 23 e negli
schemi pratici di collegamento a pag. 24 e 25.
A mains supply of 230 V – 50 Hz is required. The wiring to the
boiler must be in accordance with the current CEI regulations.
DANGER!
The electrical connections must be carried
out only by a qualified engineer.
Before carrying out the connections or any
other operation on the electrical parts,
always switch off and disconnect the
electricity supply and ensure yourself that
it cannot be accidentally turned on.
Note: It is necessary to fit a double pole switch on the electrical
supply line, having a 3 mm contact separation in both poles, in
an easy accessible position so as to ensure quick and safe
servicing.
The replacement of the supply cable has to be
carried out by a qualified authorized engineer,
using only original spare par ts. The non-
observance of the above could compromise the
appliance’s safety.
WARNING!
-
Before opening the control panel, position the switch
(11) in the “0”pos.
- Do not connect the control panel to loads that together
absorb more than 4A!
Approvals
The UNICAL control panel code 36749 has
been CE approved, according to the EN 60335-
1 Standard.
Data plate and factory number
The control panel’s identification data plate is
glued on the base.
Use
This control panel must be used for operation of
a boiler destined to heating water to a
temperature that does not exceed boiling point
when installed.