Important Notice; Important Notice; Factory-Supplied Unit Components; Factory-Supplied Unit Components - Hitachi YUTAKI ATW-YCC-03 Installation And Operation Manual

1.3 Important notice

• PLEASE READ THE MANUAL CAREFULLY BEFORE STARTING TO WORK ON THE INSTALLATION
OF THE YUTAKI CASCADE CONTROLLER. 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.
• YUTAKI Commissioning, Servicing and Main safety devices are explained in its own technical
documentation.
• Verify, in accordance with the manuals which appear in the unit, 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.
• No part of this manual may be reproduced without written permission.
• If you have any questions, contact your service contractor of Hitachi.
• 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 purchased product. It gives a
common description and information of the product which you operate as well as for other
equipment.

1.4 Factory-supplied unit components

Accessory
Unit controller wire
Screws
LCD unit controller
Installation and
Operation Manual

NOTE
• The previous accessories are supplied inside the unit.
• If some of these accessories are not packed with the unit or any damage to the unit is detected,
please contact your dealer.
PMEN0581 rev.2 - 04/2023
Image Qty.
Wire for the connection between YUTAKI CASCADE
1
CONTROLLER with the LCD unit controller (PC-ARFH2E).
These two screws are to assembly the Unit controller to the
2
1
1
Purpose
Remote control box front cover.
PC-ARFH2E
-
1
4