General Information; Applied Symbols - Hitachi Ras-1.5Whvrp2E Bedienungsanleitung

1. GENERAL INFORMATION

No part of this publication may be reproduced, copied,
filed or transmitted in any shape or form without the
permission of Johnson Controls-Hitachi Air Conditioning
Spain, S.A.U.
Within the policy of continuous improvement of its
products, Johnson Controls-Hitachi Air Conditioning
Spain, S.A.U. reserves the right to make changes at
any time without prior notification and without being
compelled to introducing them into products previously
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 specific 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 heat pump 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 pose a risk to the safety of those in the
surrounding area or to the unit itself are clearly indicated
in this manual.
A series of special symbols are 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, in addition to
hazards or unsafe practices which could result in severe
personal injuries or death.
• 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 text following the danger symbol you can also find
information on safe procedures during unit installation.
!
CAUTION
• The text following this symbol contains information and
instructions relating directly to your safety, in addition to hazards
or unsafe practices which could result in minor personal injury or
product or property damage.
• 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 text following the caution symbol you can also find
information on safe procedures during unit installation.
PMML0640 rev.2 - 11/2024 - 1000019628

NOTE
• 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.
2.2 General notes appliance with R32 refrigerant
This symbol displayed on the unit indicates that
this appliance is filled with R32, an odourless
flammable refrigerant gas with low burning
velocity (A2L class pursuant to ISO 817). If the
refrigerant is leaked, there is a possibility of ignition if it
enters in contact with an external ignition source.
Do not use means to accelerate the defrosting process
or to clean, other than those recommended by the
manufacturer.
The appliance shall be stored in a room without
continuously operating ignition sources (for example:
open flames, an operating gas appliance or an operating
electric heater).
Do not pierce or burn.
Be aware that refrigerants may not contain an odour.
RISK OF EXPLOSION
The compressor must be stopped before removing the
refrigerant pipes.
All service valves must be fully closed after pumping
down operation.
This symbol displayed on the unit indicates that
this appliance shall be handled by authorized
service personnel only, referring to the
Installation Manual.
This symbol displayed on the unit indicates that
there is relevant information included in the
Operation Manual and/or Installation Manual.
For more information, see the Installation and
Operation Manual.
Make sure that unit installation and refrigerant piping
installation comply with applicable legislation in each
country. Also, in Europe, EN378 must be complied, as it is
the applicable standard.
2.3 Additional information about safety
!
DANGER
• Do not pour water into the indoor or outdoor unit. These products
are equipped with electrical parts. If water contacts with
electrical components then it will cause a serious electrical shock.
• Do not touch or adjust safety devices inside the indoor or
outdoor units. If these devices are touched or adjusted, it may
cause a serious accident.
• Do not open the service cover or access the indoor or outdoor
units without disconnecting the main power supply.
• In case of fire Turn OFF the main switch, put out the fire at once
and contact your service contractor.
!
CAUTION
• Do not use any sprays such as insecticide, lacquer, hair spray or
other flammable gases within approximately one (1) meter from
the system.
• If circuit breaker or fuse is often activated, stop the system and
contact your service contractor.
EN
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