Important Notice; Important Notice - Hitachi YUTAKI S Series Installation And Operation Manual

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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 continuous improvement in product design and performance. The
right is therefore reserved to vary specifications without notice.
• Hitachi cannot anticipate every possible circumstance that might involve a potential hazard.
• 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).
• 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.
PMEN0643 rev.0 - 04/2023
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