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42 HWS
General information
Unit installation
Read this instruction manual thoroughly before starting the
installation.
• This unit complies with low-voltage (EEC/73/23) and electro-
magnetic compatibility (EEC/89/336) directives.
• The installation must be carried out by a qualified installer.
• Follow all current national safety code requirements.
In particular ensure that a properly sized and connected ground
wire is in place.
• Check that voltage and frequency of the mains power supply are
those required for the unit to be installed; the available power
must be adequate to operate any other possible appliances
connected to the same line.
Also ensure that national safety code requirements have been
followed for the mains supply circuit.
• For sizes 18 and 24 connect the mains supply to the outdoor unit
only.
• Connect indoor and outdoor units with field-supplied copper pipes
by means of flare connections.
Use insulated seamless refrigeration grade pipe only, (Cu DHP
type according to ISO 1337), degreased and deoxidized, suitable
for operating pressures of at least 3000 kPa.
Under no circumstances must sanitary type copper pipe be used.
• Where necessary, use field-supplied 16 mm I.D. PVC pipe of
appropriate length and with the correct thermal insulation for the
condensate drain extension.
• After installation thoroughly test the system operation and explain
all system functions to the owner.
• Leave this manual with the owner for consultation during future
periodic maintenance.
• Use this unit only for factory approved applications: the unit
cannot be used in laundry or steam pressing premises.
WARNING:
Disconnect the mains power supply switch before servicing
the system or handling any internal parts of the unit.
• Do not open the remote controller to avoid possible damage. In
case of malfunctioning contact a qualified service engineer.
• Controller batteries contain polluting elements. When exhausted
they must be disposed of according to local requirements.
• This installation manual describes the installation procedures of
the indoor unit of a residential split system consisting of two units
manufactured by Carrier Villasanta (Italy).
Consult factory or a qualified system engineer prior to connecting
this unit to any other manufacturer's outdoor unit.
Coupling units which have different control systems, may cause
irreversible damage and void the warranty protection. The
manufacturer declines any liability for system malfunction resulting
from unapproved coupling.
• The manufacturer declines any liability for damage resulting from
modifications or errors in the electrical or refrigerant connections.
Failure to observe the installation instructions or use of the unit
under conditions other than those indicated in Table III (operating
limits) of outdoor unit installation manual, will immediately void the
unit warranty.
GB - 4
• Failure to observe electric safety codes may cause a fire hazard in
case of short circuits.
• Inspect equipment for damage due to improper transportation or
handling: file an immediate claim with the shipping company. Do
not install or use damaged units.
• In case of any malfunctioning turn the unit off, disconnect the
mains power supply and contact a qualified service engineer.
• This equipment contains ozone depleting substances.
Maintenance of the refrigerant circuit must only be carried out by
qualified personnel.
• All of the manufacturing and packaging materials used for
your new appliance are compatible with the environment and
can be recycled.
• Dispose of the packaging material in accordance with local
requirements.
• This equipment contains coolant that must be disposed of in a
proper manner. When disposing of the unit after its operational
life, remove it carefully. The unit must then be delivered to an
appropriate disposal center or to the original equipment dealer, for
proper environmentally friendly disposal.
Choosing the installation site
Positions to avoid:
• Exposed to direct sun.
• Too close to heat sources.
• On humid walls or positions with water hazard, e.g. laundry premises.
• Where curtains or furniture may obstruct free air circulation.
Recommendations:
• Choose an area free from obstructions which may cause irregular
air distribution and/or return.
• Check that the wall surface is flat enough to allow easy and safe
installation. The wall structure should be strong enough to carry the unit
weight and avoid deformation, rupture or vibration during operation.
• Consider using an area where installation is easy.
• Choose a position that allows for the clearances required (see drawing).
• Look for a position in the room which assures the best possible air
distribution.
• Install unit in a position where condensate can easily be piped to
an appropriate drain.
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