Hitachi EV-1.5N1, Service Manual

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1. General information
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SMGB0079 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 find 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 phy-
sical wellbeing.
• 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 find 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 specification label.
Do not vent R410A/R407C into the atmosphere. R410A & R407C are fluorinated greenhouse gases covered by the Kyoto
protocol global warming potential (GWP) R410A/R407C: = 1975/1652.5.