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42VMC
GB - 4
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.
• The mains supply must be connected as follows:
Models 42VMC 009, 012, 014: to the indoor unit.
Models 42VMC 018, 024: to the outdoor unit.
• 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 4200 kPa.
Under no circumstances must sanitary type copper pipe be used.
• Use field-supplied 16 mm I.D. PVC pipe of appropriate length and
with the correct thermal insulation for the condensate drain.
• 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.
IMPORTANT:
During the unit installation make first refrigerant connections
and then electrical connections. When disassembling first
disconnect electrical cables, then refrigerant connections.
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.
• This installation manual describes the installation procedures of
the indoor unit of a residential split system consisting of two units
manufactured by Carrier.
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.
• Operating conditions outside the operating range
(“Connections”), will cause safety device tripping or damage to
unit components.
• 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 the outdoor unit installation manual, will immediately
void the unit warranty.
General information
• 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 R-410A refrigerant, a substance that is
not depleting the ozone layer.
• 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 refrigerant that must be disposed of in
the proper manner.
When disposing of the unit after its operational life, remove it
carefully.
The unit must then be delivered to an appropriate disposal centre
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 the unit in a position where condensate can easily be piped
to an appropriate drain.