ENGLISH
1 GENERAL INFORMATION
No part of this publication may be reproduced, copied, filed
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 notification
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 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 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.
!
D A N G E R
• The text following this symbol contains information and
instructions relating directly to your safety and physical
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 text 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 physical 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 text 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.
2.2 ADDITIONAL INFORMATION ABOUT SAFETY
!
D A N G E R
• DO NOT CONNECT THE POWER SUPPLY TO THE INDOOR UNIT
PRIOR TO FILLING THE SPACE HEATING CIRCUIT (AND DHW
CIRCUIT IF IT WERE THE CASE) WITH WATER AND CHECKING
WATER PRESSURE AND THE TOTAL ABSENCE OF ANY WATER
LEAKAGE.
• Do not pour water over the indoor unit electrical parts. If the
electrical components are in contact with water a seri ous
electrical shock will take place.
• Do not touch or adjust the safety devices inside the air to water
heat pump. If these devices are touched or adjusted, a serious
accident can take place.
• Do not open the service cover or access inside the air to water
heat pump 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.
• It must ensure that the air to water heat pump cannot op erate
accidentally without water neither with air inside hydraulic
system.
!
C A U T I O N
• Do not use any sprays such as insecticide, lacquer, hair spray or other
flammable gases within approximately one meter from the system.
• If installation circuit breaker or the unit fuse is often activated, stop the
system and contact your service contractor.
• Do not make service or inspections tasks by yourself. This work must
be performed by a qualified service person.
• 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.
• Do not let any foreign body into the water inlet and outlet piping of the
air to water heat pump.
GENERAL INFORMATION
PMML0340B rev.1 - 03/2016
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