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PMGB0126A rev.2 - 11/2006
English
SAFETY SUMMARY
PART I – OPERATION
1. SAFETY SUMMARY
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:
Refrigerant leakage can cause difficulty with breathing due
to insufficient air.
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WARNING:
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.
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.
NOTE:
It is recommended to ventilate the room every 3 or 4
hours.
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2. IMPORTANT NOTICE
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 air conditioner has been designed for standard air
conditioning for human beings only. Do not use this for other
purposes such as for drying clothes, refrigerating foods or for
any other cooling or heating process.
No part of this manual may be reproduced without written
permission.
If you have any questions, contact your service contractor of
HITACHI.
This manual gives a common description and information
for this air conditioner 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 air conditioner model.
Refer to the models codification (page 1) to confirm the main
characteristics of your system.
Signal words (DANGER, WARNING and CAUTION) are
used to identify levels of hazard seriousness. Definitions
for identifying hazard levels are provided below with their
respective signal words.
It is assumed that this unit will be operated and serviced by
English speaking people. If this is not the case, the customer
should add safety, caution and operating signs in the native
language of the personal.
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This air conditioner has been designed for the following
temperature. Operate the air conditioner within this range:
These operations modes are controlled by the remote control
switch.
This manual should be considered as a permanent part of the
air conditioner. This manual gives a common description and
information for this air conditioner which you operate as well
as for other models.
DANGER:
Pressure Vessel and Safety Device: This air conditioner
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 air conditioner 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.
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Temperature
Maximum Minimum
Cooling Mode
Indoor 32°C DB/22.5°C WB 21°C DB/15.5°C WB
Outdoor 43 °C DB -5 °C DB
Heating Mode
Indoor 27 °C DB 15 °C DB
Outdoor 15.5 °C WB -8 °C WB
DB: Dry Bulb Temperature
WB: Wet Bulb Temperature
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