Hitachi YUTAKI S Series Instruction Manual

• This appliance must be used only by adult and capable people,
having received the technical information or instructions to handle
this appliance properly and safely.
• Children should be supervised to ensure that they do not play with
the appliance.
• Do not let any foreign body into the water inlet and outlet piping of the
air to water heat pump.
2.3 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 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.
• 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 specications 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 codication to conrm the main
characteristics of your system.
• Signal words (NOTE, DANGER and CAUTION) are used
to identify levels of hazard seriousness. Denitions 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.
! DANGER
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 ames, an
operating gas appliance or an operating electric heater).
• Do not pierce or burn.
• Be aware that refrigerants may not contain an odour.
3 GENERAL DIMENSIONS
3.1 SERVICE SPACE

RWM-(2.0-10.0)(N/R)1E
Units in mm.
H: 1200~1500 mm
Recommended unit height for proper access to the control unit panel
(Unit controller).
h: 350 mm
Minimum unit height for installing the shut-o󰀨 valves and the rst
bending pipe line.
GENERAL DIMENSIONS
PMML0574 rev.1 - 09/2021
2

Hitachi YUTAKI S Series Specifications

General

Brand	Hitachi
Model	YUTAKI S Series
Category	Heat Pump
Language	English