Hitachi CH-Box Installation Manual page 4

● The applicable outdoor unit may be different depending on the product series.
Improper combination causes the unit to malfunction and an alarm will be triggered. Be sure to confirm
with the product catalogue before installation.
● The manufacturer of the product pursues a policy of continuous improvement in the design and
performance of products to meet regulatory requirements and industry standards. Therefore, the
manufacturer reserves the right to revise specifications without notice.
● The manufacturer of the product cannot anticipate every possible circumstance that might involve a
potential hazard.
● This heat pump air conditioner is designed for standard air conditioning applications only. Do not use this
heat pump air conditioner for other purposes, such as drying clothes, refrigerating foods, or for any other
cooling or heating process.
● Do not install the unit outdoors. Do not install the unit in the following places. It may cause a fire,
deformation, corrosion or failure.
* Places where there are high levels of oil mist (including machinery oil).
* Places where there are high alkalinity levels (i.e., chlorine or bromine such as over hot tubs, etc.).
* Places where flammable gases or liquids may be used or generated.
* Places with a high concentration of salts, salty mists or sprays (such as over salt-water aquariums).
* Places with an atmosphere of high nuisance dust. Places with organic solvent atmospheres, such as
painting and cleaning locations.
● Do not install a unit in the place where condensate water can leak onto the unit or electrical device failures
may occur.
● Pay attention to the following points when the unit is installed in a hospital or other facility where
electromagnetic waves generate from medical equipment.
* Do not install the unit in places where electromagnetic waves radiate to the electrical box, wired controller
cable or wired controller.
* Install the unit at least 3m (10 ft) away from electromagnetic waves or interferences such as a radio.
● The installer and system specialist shall secure against leakage according to local regulations or
standards. This system has both high and low pressure refrigerant and, as such, comprises a pressurized
system. Never loosen threaded joints while the system is under pressure and never open pressurized
system parts.
● No part of this manual may be reproduced without written permission.
● It is assumed that this heat pump air conditioner will be operated and serviced by English speaking people.
If this is not the case, the distributor or dealer can provide or add safety, caution and operating signs in the
native language.
● If you have any questions, contact your distributor.
● This manual describes the features of this heat pump air conditioner as well as for other models.
This manual should be considered as a permanent part of the air conditioning equipment and should remain
with the air conditioning equipment.
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IMPORTANT NOTICE
P5417025-rev.1