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ManualsBrandsHitachi ManualsAir ConditionersHitachi RAS-3-HVNC
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General information
TCGB0079 rev.0 - 01/2013
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1.2 Safety
1.2.1 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 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 at 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.
D A N G E R
• Thetextfollowingthissymbolcontainsinformationandinstructionsrelatingdirectlytoyoursafetyandphysi-
calwellbeing.
• Nottakingtheseinstructionsintoaccountcouldleadtoserious,veryseriousorevenfatalinjuriestoyouand
othersintheproximitiesoftheunit.
In the texts following the danger symbol you can also nd information on safe procedures during unit installation.
C A U T I O N
• Thetextfollowingthissymbolcontainsinformationandinstructionsrelatingdirectlytoyoursafetyandphysicalwellbe-
ing.
• Nottakingtheseinstructionsintoaccountcouldleadtominorinjuriestoyouandothersintheproximitiesoftheunit.
• Nottakingtheseinstructionsintoaccountcouldleadtounitdamage.
In the texts following the caution symbol you can also nd information on safe procedures during unit installation.
N O T E
• Thetextfollowingthissymbolcontainsinformationorinstructionsthatmaybeofuseorthatrequireamorethorough
explanation.
• Instructionsregardinginspectionstobemadeonunitpartsorsystemsmayalsobeincluded.
1.2.2 Norms and Regulations
Following Regulation EC Nº 842/2006 on Certain Fluorinated Greenhouse gases, the total amount of refrigerant charged 
in the unit is indicated on the specication label.
Do not vent R410A/R407C into the atmosphere. R410A & R407C are uorinated greenhouse gases covered by the Kyoto 
protocol global warming potential (GWP) R410A/R407C: = 1975/1652.5.
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TCGB0079_rev0_11-2012.indb 3 29/01/2013 14:26:29