SAFETY
2.3 IMPORTANT NOTICE
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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
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CD-ROM CAREFULLY BEFORE STARTING TO WORK ON
THE INSTALLATION OF THE AIR TO WATER HEAT PUMP
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 air to water heat pump system.
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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.
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HITACHI pursues a policy of continuous improvement in
product design and performance. The right is therefore
reserved to vary specifications without notice.
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HITACHI cannot anticipate every possible circumstance that
might involve a potential hazard.
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This air to water heat pump has been designed for standard
water heating for human beings only. Do not use this for
other purposes such as for drying clothes, heating foods or
for any other heating process (except swimming pool).
2
PMML0338B rev.1 - 03/2016
All manuals and user guides at all-guides.com
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No part of this manual may be reproduced without written
permission.
If you have any questions, contact your service contractor of
HITACHI.
Check and make sure that the explanations of each part
of this manual correspond to your air to water heat pump
model.
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 in initial pages of this
document.
The operation modes of these units are controlled by the unit
controller.
This manual should be considered as a permanent part of
the air to water heat pump. It gives a common description
of and information for this air to water heat pump which you
operate as well as for other models.
Keep the water temperature of the system above the
freezing temperature.