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GENERAL INFORMATION
1.3.2 Additional information about safety
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D A N G E R
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Hitachi is not able to foresee all the circumstances which may
result in a potential danger.
•
Do not pour water in the indoor or outdoor unit. These products
are fitted with electric components. If water comes into contact
with electric components, this will cause a serious electric
shock.
•
Do not handle or adjust the safety devices inside the indoor and
outdoor units. The handling or adjustment of these devices may
result in serious accident.
•
Do not open the service cover or access panel of the indoor and
outdoor units without disconnecting the main supply.
•
In the event of fire, switch off the mains, put out the fire
immediately and contact your service supplier.
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Check that the earth cable is correctly connected.
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Connect the unit to a circuit breaker of the specified capacity.
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C A U T I O N
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Refrigerant leaks may hinder respiration as the gas displaces the air
in the room. It is assumed that this heat pump air conditioner will be
operated and serviced by English speaking people. If this is not the
case, the customer should be add safety, caution and operating signs
in the native language.
•
Fit the indoor unit, the outdoor unit, the remote control and the cable
at a minimum of 3 metres away from sources of strong radiation from
electromagnetic waves, such as medical equipment.
•
Do not use sprays, such as insecticides, varnishes or enamels or any
other inflammable gas within a metre of the system.
1.4 IMPORTANT NOTICE
This air conditioner has been designed for standard air
conditioning for human beings. For use in other applications,
please contact your Hitachi dealer or service contractor.
The air conditioning system should only be installed by qualified
personnel, with the necessary resources, tools and equipment,
who are familiar with the safety procedures required to
successfully carry out the installation.
The supplementary information about the purchased products
is supplied in a CD-ROM, which can be found bundled with the
outdoor unit. In case that the CD-ROM is missing or it is not
readable, please contact your Hitachi dealer or distributor.
PLEASE READ THE MANUAL AND THE FILES ON THE
CD-ROM CAREFULLY BEFORE STARTING WORK ON THE
INSTALLATION OF THE AIR CONDITIONING SYSTEM.
Failure to observe the instructions for installation, use and
operation described in this documentation may result in
operating failure including potentially serious faults, or even the
destruction of the air conditioning system.
It is assumed that the air conditioning system will be installed
and maintained by responsible personnel trained for the
purpose. If this is not the case, the customer should include all
the safety, caution and operating signs in the native language of
the personnel responsible.
2
PMML0547 rev.0 - 11/2020
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If the circuit breaker or supply fuse of the unit comes on frequently,
stop the system and contact the service suppler.
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Do not carry out maintenance or inspection work yourself. This work
must be carried out by qualified service personnel with suitable tools
and resources for the work.
•
Do not place any foreign material (branches, sticks, etc.) in the air
inlet or outlet of the unit. These units are fitted with high speed fans
and contact with any object is dangerous.
•
This appliance must be used only by adult and capable people,
having received the technical information or instructions to handle this
appliance properly and safely.
•
Children should be supervised to ensure that they do not play with
the appliance.
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Install the unit in a place not accessible by the general public.
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N O T E
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The air in the room should be renewed and the room ventilated every
3 or 4 hours.
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The system fitter and specialist shall provide anti-leak safety in
accordance with local regulations.
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The installer and system specialist shall secure safety against the
refrigerant leakage according to local regulations or standards. The
following standards may be applicable, if local regulations are not
available. International Organization for Standardization, ISO5149 or
European Standard, EN378 or Japan Standard, KHKS0010.
•
Electrical wiring must comply with national and local regulations.
Contact your local authority in regards to standards, rules, regulations,
etc.
Do not install the unit in the following places, as this may lead to
a fire, deformities, rusting or faults:
•
Places where oil is present (including oil for machinery).
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Places with a high concentration of sulphurous gas, such as
spas.
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Places where flammable gases may be generated or
circulate.
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Places with a saline, acidic or alkaline atmosphere.
Do not install the unit in places where silicon gas is present. Any
silicon gas deposited on the surface of the heat exchanger will
repel water. As a result, the condensate water will splash out
of the collection tray and into the electrical box. Water leaks or
electrical faults may eventually be caused.
Do not install the unit in a place where the current of expelled
air directly affects animals or plants as they could be adversely
affected.
There are detailed information about unit installation, service
space, wiring diagrams, electrical connection, refrigerant charge,
in the corresponding chapter, please read the corresponding
chapter carefully before starting work on the installation.
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