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IMPORTANT NOTICE
2.2 ADDITIONAL INFORMATION ABOUT SAFETY
!
D A N G E R
•
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.
!
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 (1) meter from the
system.
3 IMPORTANT NOTICE
•
The supplementary information about the purchased
products is supplied in a CD-ROM, which can be found
bundled with the indoor unit. In case that the CD-ROM is
missing or it is not readable, please contact your HITACHI
dealer or distributor.
•
PLEASE READ THE MANUAL AND THE FILES ON THE
CD-ROM CAREFULLY BEFORE STARTING WORK ON
THE INSTALLATION OF THE SYSTEM. Failure to observe
the instructions for installation, use and operation described
in this documentation may result in operating failure
including potentially serious faults, or even the destruction of
the system.
•
Verify, in accordance with the manuals which appear in the
outdoor and indoor units, that all the information required for
the correct installation of the system is included. If this is not
the case, contact your distributor.
•
Hitachi pursues a policy of continuing improvement in design
and performance of products. The right is therefore reserved
to vary specifications without notice.
•
Hitachi cannot anticipate every possible circumstance that
might involve a potential hazard.
•
This outdoor unit has not been designed for industrial
processes, and it's use as heat pump is limited to the
scope of application of the YUTAKI Series. For use in other
applications, please contact your Hitachi dealer or service
contractor.
•
No part of this manual may be reproduced without written
permission.
•
If you have any questions, contact your service contractor of
Hitachi.
•
This manual should be considered as a permanent part
of the heat pump system. This manual gives a common
description and information for this heat pump which you
operate as well as for other models.
•
Check and make sure that the explanations of each part of
this manual correspond to your heat pump model.
2
PMML0576 rev.0 - 06/2021
•
If circuit breaker or fuse is often activated, stop the system and
contact your service contractor.
•
Do not make service or inspections tasks by yourself. This works
must be performed by qualified service person.
•
Do not put any strange material (sticks, etc...) into the air inlet and
outlet. These units have high speed rotating fans and it is dangerous
that any object touches them.
•
Refrigerant leakage can cause difficulty with breathing due to
insufficient air.
•
This appliance must be used only by adult and capable people,
having received the technical information or instructions to handle
properly and safely this appliance.
•
Children should be supervised to ensure that they do not play with
the appliance.
?
N O T E
It is recommended to ventilate the room every 3 or 4 hours.
•
Refer to the models codification to confirm the main
characteristics of your system.
•
Signal words (NOTE, DANGER and CAUTION) are used
to identify levels of hazard seriousness. Definitions for
identifying hazard levels are provided below with their
respective signal words.
•
This outdoor unit is exclusively to use for air to water
systems. It can not be used with indoor units in air to air
systems.
!
D A N G E R
Pressure Vessel and Safety Device: This heat pump is equipped
with a high pressure vessel under PED (Pressure Equipment
Directive). The pressure vessel has been designed and tested
before shipment according to PED. Also, in order to prevent the
system from an abnormal pressure, a high pressure switch, which
needs no field adjustment, is utilized in the refrigeration system.
Therefore, this heat pump is protected from abnormal pressures.
However, if abnormally high pressure is applied to the refrigeration
cycle including the high pressure vessel(s), it will result in serious
injury or death due to explosion of the pressure vessel. Do not apply
a pressure higher than the following pressure to the system, by
modifying or changing the high pressure switch.
!
C A U T I O N
This unit is designed for commercial and light industrial application.
If installed in house hold appliance, it could cause electromagnetic
interference.
!
D A N G E R
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.
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