1 GENERAL INFORMATION
No part of this publication may be reproduced, copied, led
or transmitted in any shape or form without the permission of
HITACHI Air Conditioning Products Europe, S.A.U.
Within the policy of continuous improvement of its products,
HITACHI Air Conditioning Products Europe, S.A.U. reserves
the right to make changes at any time without prior notication
and without being compelled to introducing them into products
subsequently sold. This document may therefore have been
subject to amendments during the life of the product.
HITACHI makes every effort to offer correct, up-to-date
documentation. Despite this, printing errors cannot be controlled
by HITACHI and are not its responsibility.
As a result, some of the images or data used to illustrate this
document may not refer to specic models. No claims will be
accepted based on the data, illustrations and descriptions
included in this manual.
2 SAFETY
2.1 APPLIED SYMBOLS
During normal air conditioning system design work or unit
installation, greater attention must be paid in certain situations
requiring particular care in order to avoid injuries an damage to
the unit, the installation or the building or property.
Situations that jeopardise the safety of those in the surrounding
area or that put the unit itself a risk will be clearly indicated in
this manual.
To indicate these situations, a series of special symbols will be
used to clearly identify these situations.
Pay close attention to these symbols and to the messages
following them, as your safety and that of others depends on it.
!DANGER
• The text following this symbol contains information and
instructions relating directly to your safety and physical
wellbeing.
• Nottakingtheseinstructionsintoaccountcouldleadtoserious,
very serious or even fatal injuries to you and others in the
proximitiesoftheunit.
In the text following the danger symbol you can also nd
information on safe procedures during unit installation.
!CAUTION
• Thetextfollowingthissymbolcontainsinformationandinstructions
relatingdirectlytoyoursafetyandphysicalwellbeing.
• Nottakingtheseinstructionsintoaccountcouldleadtominorinjuries
toyouandothersintheproximitiesoftheunit.
• Nottakingtheseinstructionsintoaccountcouldleadtounitdamage.
In the text following the caution symbol you can also nd
information on safe procedures during unit installation.
?NOTE
• Thetextfollowingthissymbolcontainsinformationorinstructionsthat
maybeofuseorthatrequireamorethoroughexplanation.
• Instructionsregardinginspectionstobemadeonunitpartsorsystems
mayalsobeincluded.
2.2 ADDITIONAL INFORMATION ABOUT SAFETY
!DANGER
• DonotpourwaterintotheindoororRASCunit.Theseproducts
areequippedwithelectricalparts.Ifwatercontactswithelectrical
componentsthenitwillcauseaseriouselectricalshock.
• DonottouchoradjustsafetydevicesinsidetheindoororRASC
units.Ifthesedevicesaretouchedoradjusted,itmaycausea
seriousaccident.
• Do not open the service cover or access the indoor or RASC
unitswithoutdisconnectingthemainpowersupply.
• IncaseofreTurnOFFthemainswitch,putoutthereatonce
andcontactyourservicecontractor.
!CAUTION
• Do not use any sprays such as insecticide, lacquer, hair spray or
otherammablegaseswithinapproximatelyone(1)meterfromthe
system.
• If circuit breaker or fuse is often activated, stop the system and
contactyourservicecontractor.
• Do not make service or inspections tasks by yourself. This works
mustbeperformedbyqualiedserviceperson.
• Donotputanystrangematerial(sticks,etc...)intotheairinletand
outlet.Theseunitshavehighspeedrotatingfansanditisdangerous
thatanyobjecttouchesthem.
• Refrigerant leakage can cause difculty with breathing due to
insufcientair.
• This appliance must be used only by adult and capable people,
having received the technical information or instructions to handle
properlyandsafelythisappliance.
• Childrenshouldbesupervisedtoensurethattheydonotplaywith
theappliance.
?NOTE
Itisrecommendedtoventilatetheroomevery3or4hours.
GENERAL INFORMATION