11 Electric Wiring; Safety Precautions; Remark With Regard To Directive 2004/108/Ce; Electric Connection To The Indoor Unit - Saunier Duval SDH 17-050 M2NW Manual De Instalación

11 Electric wiring

11.1

Safety precautions

DANGER:
e
Danger of electric shock.
Before connecting the unit to the electric supply line,
ensure that the power is isolated.
DANGER:
e
Danger of electric shock.
All electrical works should be completed by an
electrician or a similarly qualified person.
DANGER:
e
Danger of electric shock.
Ensure that the power line is equipped with a bipolar
or tetrapolar switch according to the model, (single
phase or three-phase) with a distance of at least 3 mm
between contacts (Standard EN-60335-2-40).
DANGER:
e
Danger of electric shock.
Equip the installation with protection against short-
circuits to avoid electric shocks. This is a legal
requirement.
DANGER:
e
Danger of electric shock.
Some units may be supplied with an European style
plug, where this does not match the local electrical
sockets only use with a suitable adaptor or replace the
plug with a UK style one.
DANGER:
e
Danger of electric shock.
Use wiring in accordance with the respective local,
national and international wiring standards regarding
installation in technical electrics.
DANGER:
e
Danger of electric shock.
Use an approved electric plug and power supply cable.
WARNING!
a
Danger of breakdowns or malfunction.
All electrical wiring must be of suitable size and rating
for the appliance and should only be installed by
suitably qualified personnel.
WARNING!
a
Danger of breakdowns or malfunction.
Compliance with the Standard EN 61000-3-11: Check
that the nominal power of the main phase current
connection is > 100.
WARNING!
a
Danger of breakdowns or malfunction.
Ensure that the supplied power voltage is in the range
of 90% to 110% of the rated voltage.
SDH17-MNW-I_EN - 03/13 - Saunier Duval
WARNING!
a
Install the unit in such a way that the electric plug is
easily accessible. Thus, if required, the unit can be
quickly disconnected.
11.2

Remark with regard to directive 2004/108/CE

In order to prevent electromagnetic interference during the
start up of the compressor (technical process), the following
installation conditions must be adhered to.
• Make the Air to Air heat pumps' unit power supply connection
at the main power distribution. Carry out the distribution with
low impedance. Normally the required impedance is reached
at a 32 A fusing point.
• Check that no other equipment is connected to this power
supply line.
NOTE:
i
For more detailed information on the electric
installation, please consult the Technical Connection
Conditions applied by your electricity supply board.
NOTE:
i
In order to obtain more information with regard to
power details of the air conditioner consult the unit
rating plate.
11.3

Electric connection to the indoor unit

WARNING!
a
Danger of breakdowns or malfunction. If the fuse on
the PC board is blown please change it with type
T. 3,15A/250V.
Fig. 11.1 Electric connection to the indoor unit
INSTALLATION
EN
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