Hitachi ATW-YCC-03 User manual

–

INSTALLATION

AND OPERATION

MANUAL

–

YUTAKI CASCADE CONTROLLER

PMEN0581 rev.2 - 04/2023

MODELS

ATW-YCC-03

The English version is the original one; other languages are translated from English. Should any

discrepancy occur between the English and the translated versions, the English version shall

prevail.

La versión en inglés es la original, y las versiones en otros idiomas son traducciones de la inglesa.

En caso de discrepancias entre la versión inglesa y las versiones traducidas, prevalecerá la versión

inglesa.

Die englische Fassung ist das Original, und die Fassungen in anderen Sprachen werden aus dem

Englischenübersetzt. Sollten die englische und die übersetzten Fassungen voneinander abweichen,

so hat die englische Fassung Vorrang.

La version anglaise est la version originale; les autres langues sont traduites de l’anglais. En cas de

divergence entre les versions anglaise et traduite, la version anglaise prévaudra.

La versione inglese è l’originale e le versioni in altre lingue sono traduzioni dall’inglese. In caso di

divergenze tra la versione inglese e quelle tradoe, fa fede la versione inglese.

A versão inglesa é a original; as versões em outras línguas são traduzidas do inglês. Em caso de

divergência entre a versão em língua inglesa e as versões traduzidas, faz fé a versão em língua

inglesa.

Den engelske udgave er originalen, og udgaverne på andre sprog er oversat fra engelsk. Hvis der

forekommer uoverensstemmelser mellem den engelske og den oversae sprogudgave, vil den

engelske udgave være gældende.

De Engelse versie is de originele; andere talen zijn vertaald uit het Engels. In geval van verschillen

tussen de Engelse versie en de vertaalde versies, hee de Engelse versie voorrang.

Den engelska versionen är originalet, och versionerna på andra språk är från engelska

översäningar. I händelse av bristande överensstämmelse mellan den engelska och den översaa

versionerna, skall den engelska versionen vara gilg.

Η αγγλική έκδοση είναι το πρωτότυπο και οι εκδόσεις σε άλλες γλώσσες μεταφράζονται από τα

αγγλικά. Σε περίπτωση που διαπιστωθούν διαφορές μεταξύ της αγγλικής και της μεταφρασμένης

έκδοσης, η αγγλική έκδοση είναι επικρατέστερη.

EN English Original version

Español

Versión traducida

Deutsch

Übersetzte Version

Français

Version traduite

Italiano

Versione tradoa

Português

Versão traduzidal

Dansk

Oversat version

Nederlands

Vertaalde versie

Svenska

Översa version

Ελληνικα

Μεταφρασμένη έκδοση

Български

Преведена версия

Češna

Přeložená verze

Magyar

Lefordíto változat

Lietuvių

Versta versija

Polski

Tłumaczenie wersji oryginalnej

Română

Versiune tradusă

Slovenčina

Preložená verzia

Українська

Перекладена версія

PMEN0581 rev.2 - 04/2023

CONTENTS

Contents

01 General informaon .............................................................................................1

02 General Data.........................................................................................................7

03 Installaon ..........................................................................................................11

04 LCD remote controller ........................................................................................15

05 Electrical and control sengs ............................................................................36

PMEN0581 rev.2 - 04/2023

GENERAL INDEX

General Index

1. General informaon ...................................................................................................1

1.1 General informaon ..........................................................................................2

1.2 Safety .................................................................................................................2

1.2.1 Applied symbols.......................................................................................2

1.2.2 Addional informaon about safety .......................................................3

1.3 Important noce................................................................................................4

1.4 Factory-supplied unit components ...................................................................4

1.5 Introducon.......................................................................................................5

2. General Data ...............................................................................................................7

2.1 General Data......................................................................................................8

2.2 General dimensions...........................................................................................8

2.2.1 Service space ...........................................................................................8

2.2.2 Name of parts..........................................................................................9

2.2.3 Dimensional data...................................................................................10

3. Installaon ................................................................................................................11

3.1 Installaon .......................................................................................................12

3.2 Fix the unit to the wall.....................................................................................13

3.2.1 Dimensional for the installaon to a wall .............................................13

3.2.2 Notes for installaon .............................................................................14

4. LCD remote controller ..............................................................................................15

4.1 Denion of the switches ...............................................................................16

4.2 Descripon of the icons ..................................................................................17

4.3 Cascade controller conguraon ....................................................................20

4.4 Conguraon examples...................................................................................24

III

PMEN0581 rev.2 - 04/2023

GENERAL INDEX

4.4.1 Individual Heang/Cooling household in combinaon with common

DHW producon ....................................................................................24

4.4.2 Individual Heang/Cooling household in combinaon with Individual

DHW producon ....................................................................................26

4.4.3 Individual Heang/Cooling household in combinaon with Individual

DHW producon (II)...............................................................................28

4.4.4 Common Heang/Cooling household in combinaon with common

DHW producon ....................................................................................30

4.4.5 Common Heang/Cooling household in combinaon with Individual

DHW producon ....................................................................................32

4.4.6 Common Heang/Cooling household in combinaon with Individual

DHW producon (II)...............................................................................34

5. Electrical and control sengs ..................................................................................36

5.1 Electrical wiring ...............................................................................................37

5.1.1 Connecons on the Terminal board 1 (TB1) .........................................37

5.1.2 Connecons on the Terminal board 2 (TB2) .........................................37

5.1.3 Wiring size and minimum requirements of protecon device.............41

5.2 Oponal unit wiring (accessories)...................................................................42

5.3 Locaon of DIP switches and rotary switches.................................................44

5.3.1 Funcon of DIP switches and rotary switches ......................................44

5.3.2 LED indicaon ........................................................................................49

PMEN0581 rev.2 - 04/2023

GENERAL INFORMATION

General informaon

1.1 Generalinformaon ..........................................................................................2

1.2 Safety .................................................................................................................2

1.2.1 Appliedsymbols.......................................................................................2

1.2.2 Addionalinformaonaboutsafety .......................................................3

1.3 Importantnoce................................................................................................4

1.4 Factory-suppliedunitcomponents ...................................................................4

1.5 Introducon.......................................................................................................5

PMEN0581 rev.2 - 04/2023

GENERAL INFORMATION

1.1 General informaon

No part of this publicaon may be reproduced, copied, led or transmied in any shape or form

without the permission of Johnson Controls-Hitachi Air Condioning Spain, S.A.U.

Within the policy of connuous improvement of its products, Johnson Controls-Hitachi Air

Condioning Spain, S.A.U. reserves the right to make changes at any me without prior nocaon

and without being compelled to introducing them into products previously sold. This document

may therefore have been subject to amendments during the life of the product.

Hitachi makes every eort to oer correct, up-to-date documentaon. Despite this, prinng errors

cannot be controlled by Hitachi and are not its responsibility.

As a result, some of the images or data used to illustrate this document may not refer to specic

models. No claims will be accepted based on the data, illustraons and descripons included in

This Manual.

1.2 Safety

1.2.1 Applied symbols

During normal heat pump system design work or unit installaon, greater aenon must be paid

in certain situaons requiring parcular care in order to avoid injuries an damage to the unit, the

installaon or the building or property.

Situaons that jeopardise the safety of those in the surrounding area or that put the unit itself a

risk will be clearly indicated in this manual.

To indicate these situaons, a series of special symbols will be used to clearly idenfy these

situaons.

Pay close aenon to these symbols and to the messages following them, as your safety and that

of others depends on it.

!DANGER

• The text following this symbol contains informaon and instrucons relang directly to your

safety and physical well-being.

• Not taking these instrucons into account could lead to serious, very serious or even fatal

injuries to you and others in the proximies of the unit.

In the text following the danger symbol you can also nd informaon on safe procedures during

unit installaon.

!CAUTION

• The text following this symbol contains informaon and instrucons relang directly to your

safety and physical well-being.

• Not taking these instrucons into account could lead to minor injuries to you and others in the

PMEN0581 rev.2 - 04/2023

SAFETY

GENERAL INFORMATION

proximies of the unit.

• Not taking these instrucons into account could lead to unit damage.

In the text following the cauon symbol you can also nd informaon on safe procedures during

unit installaon.

NOTE

• The text following this symbol contains informaon or instrucons that may be of use or that

require a more thorough explanaon.

• Instrucons regarding inspecons to be made on unit parts or systems may also be included.

1.2.2 Addional informaon about safety

!DANGER

• Do not pour water over the unit electrical parts. If the electrical components are in contact

with water a seri ous electrical shock will take place.

• Do not open the service cover or access inside the YUTAKI CASCADE CONTROLLER without

disconnecng the main power supply.

• In case of re Turn OFF the main switch, put out the re at once and contact your service

contractor.

!CAUTION

• Do not use any sprays such as inseccide, lacquer, hair spray or other ammable gases within

approximately one meter from the system.

• If installaon circuit breaker or the unit fuse is oen acvated, stop the system and contact your

service contractor.

• Do not make service or inspecons tasks by yourself. This work must be performed by a qualied

service person.

• This appliance must be used only by adult and capable people, having received the technical

informaon or instrucons to handle this appliance properly and safely.

• Children should be supervised to ensure that they do not play with the appliance.

PMEN0581 rev.2 - 04/2023

IMPORTANT NOTICE

GENERAL INFORMATION

1.3 Important noce

• PLEASE READ THE MANUAL CAREFULLY BEFORE STARTING TO WORK ON THE INSTALLATION

OF THE YUTAKI CASCADE CONTROLLER. Failure to observe the instrucons for installaon,

use and operaon described in this documentaon may result in operang failure including

potenally serious faults, or even the destrucon of the air to water heat pump system.

• YUTAKI Commissioning, Servicing and Main safety devices are explained in its own technical

documentaon.

• Verify, in accordance with the manuals which appear in the unit, that all the informaon

required for the correct installaon of the system is included. If this is not the case, contact your

distributor.

• Hitachi pursues a policy of connuous improvement in product design and performance. The

right is therefore reserved to vary specicaons without noce.

• Hitachi cannot ancipate every possible circumstance that might involve a potenal hazard.

• No part of this manual may be reproduced without wrien permission.

• If you have any quesons, contact your service contractor of Hitachi.

• Signal words (NOTE, DANGER and CAUTION) are used to idenfy levels of hazard seriousness.

Denions for idenfying hazard levels are provided in inial pages of this document.

• The operaon 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 descripon and informaon of the product which you operate as well as for other

equipment.

1.4 Factory-supplied unit components

Accessory

Image

Qty.

Purpose

Unit controller wire 1Wire for the connection between YUTAKI CASCADE

CONTROLLER with the LCD unit controller (PC-ARFH2E).

Screws 2These two screws are to assembly the Unit controller to the

Remote control box front cover.

LCD unit controller 1PC-ARFH2E

Installation and

Operation Manual 1-

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.

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