Hitachi RAS-4HVRNS3E, RAS-10HNPE, RAS-10HNCE, RAS-8HNCE, RAS-8HNPE Installation And Operation Manual

UTOPIA IVX PREMIUM / IVX STANDARD Series
RAS-(3-10)H(V)NP(1)E / RAS-(8-10)HNCE
UTOPIA ES Series
RAS-4H(V)RNS3E

INSTALLATION AND OPERATION MANUAL

Specications in this manual are subject to change without notice in order that HITACHI may bring the latest innovations to their
customers.
Whilst every effort is made to ensure that all specications are correct, printing errors are beyond Hitachi’s control; Hitachi can­not be held responsible for these errors.

ATTENTION:
This product shall not be mixed with general house waste at the end of its life and it shall be retired according
to the appropriated local or national regulations in a environmentally correct way.
Due to the refrigerant, oil and other components contained in Air Conditioner, its dismantling must be done by a
professional installer according to the applicable regulations.
Contact to the corresponding authorities for more information.




English

From 4th July 2007 and following Regulation EC Nº 842/2006 on Certain Fluorinated Greenhouse gases, it is mandatory to ll in the label attached to the unit
with the total amount of refrigerant charged on the installation.

Do not vent R410A/R407C into the atmosphere: R410A & R407C are uorinated greenhouse gases covered by the Kyoto protocol global warming potential
(GWP) R410A/R407C: = 1975/1652.5.

English

Instructions to ll in the "F-Gas Label":

1.- Fill in the Label with indelible ink the refrigerant amounts:  - Factory Charge,  - Additional Charge &  - Total Charge.

2.- Stick the Protection Plastic Film on the F-Gas Label (delivered in a plastic bag with the Manual). To see Figure nº 2.

Figure 1. F-Gas Label with Protection Plastic Film Figure 2. Protection Plastic Film

Protection Plastic Film

Adhesive Surface

Peel-off Paper

MODELS CODIFICATION

Important note: Please, check, according to the model name, which is your air conditioner type,

how it is abbreviated and referred to in this instruction manual. This Installation and Operation
Manual is only related to Indoor Units FSN(H)(2/3/4)(E)(i)(k)(M) combined with Outdoor Units
H(V)NP(1)E, HNCE and RAS-4H(V)RNS3E.



IVX Premium series

OUTDOOR UNIT · UNIDAD EXTERIOR · AUßENEINHEIT · UNITÉ EXTÉRIEURE · UNITÀ ESTERNA ·

UNIDADE EXTERIOR · UDENDRS AGGREGAT · BUITENTOESTEL · UTOMHUSENHET · ΕΞΩΤΕΡΙΚΗ ΜΟΝΑΔΑ

HEAT PUMP MODELS - MODELOS CON BOMBA DE CALOR

WÄRMEPUMPENMODELLE - MODÈLES POMPE À CHALEUR
MODELLI POMPA DI CALORE - MODELOS BOMBA DE CALOR
VARMEPUMPEMODELLER - MODELLEN MET WARMTEPOMP

MODELLER ENDAST FÖR KYLNINGSFUNKTION - ΜΟΝΤΕΛΑ ΜΕ ΑΝΤΛΙΑ ΘΕΡΜΟΤΗΤΑΣ

Single Phase - Monofásico - Einphasig - Monophasé - Monofase

Monofásico - Enfaset - Eenfasig - En fas - Μονοφασικά

Three Phase - Trifásico - Dreiphasig -

Triphasé -Trifase - Trifásico

Trefaset - Driefasig - Trefasig - Tριφασικά

1~ 230V 50Hz 3N~ 400V 50Hz

Unit Unit Unit

RAS-3HVNP1E

RAS-4HVNP1E RAS-4HNP1E

RAS-5HVNP1E RAS-5HNP1E

RAS-6HVNP1E RAS-6HNP1E

RAS-8HNPE

RAS-10HNPE



IVX Standard series

OUTDOOR UNIT · UNIDAD EXTERIOR · AUßENEINHEIT · UNITÉ EXTÉRIEURE · UNITÀ ESTERNA ·

UNIDADE EXTERIOR · UDENDRS AGGREGAT · BUITENTOESTEL · UTOMHUSENHET · ΕΞΩΤΕΡΙΚΗ ΜΟΝΑΔΑ

HEAT PUMP MODELS - MODELOS CON BOMBA DE CALOR

WÄRMEPUMPENMODELLE - MODÈLES POMPE À CHALEUR
MODELLI POMPA DI CALORE - MODELOS BOMBA DE CALOR
VARMEPUMPEMODELLER - MODELLEN MET WARMTEPOMP

MODELLER ENDAST FÖR KYLNINGSFUNKTION - ΜΟΝΤΕΛΑ ΜΕ ΑΝΤΛΙΑ ΘΕΡΜΟΤΗΤΑΣ

Three Phase - Trifásico - Dreiphasig - Triphasé -Trifase - Trifásico

Trefaset - Driefasig - Trefasig - Tριφασικά

3N~ 400V 50Hz

RAS-8HNCE

RAS-10HNCE



ES series

OUTDOOR UNIT · UNIDAD EXTERIOR · AUßENEINHEIT · UNITÉ EXTÉRIEURE · UNITÀ ESTERNA ·

UNIDADE EXTERIOR · UDENDRS AGGREGAT · BUITENTOESTEL · UTOMHUSENHET · ΕΞΩΤΕΡΙΚΗ ΜΟΝΑΔΑ

HEAT PUMP MODELS - MODELOS CON BOMBA DE CALOR

WÄRMEPUMPENMODELLE - MODÈLES POMPE À CHALEUR
MODELLI POMPA DI CALORE - MODELOS BOMBA DE CALOR
VARMEPUMPEMODELLER - MODELLEN MET WARMTEPOMP

MODELLER ENDAST FÖR KYLNINGSFUNKTION - ΜΟΝΤΕΛΑ ΜΕ ΑΝΤΛΙΑ ΘΕΡΜΟΤΗΤΑΣ

Single Phase - Monofásico - Einphasig - Monophasé - Monofase -

Monofásico - Enfaset - Eenfasig - En fas - Μονοφασικά

Three Phase - Trifásico - Dreiphasig - Triphasé -Trifase -

Trifásico - Trefaset - Driefasig - Trefasig - Tριφασικά

1~ 230V 50Hz 3N~ 400V 50Hz

Unit Unit

RAS-4HVRNS3E RAS-4HRNS3E

INDEX ÍNDICE

PART I OPERATION

1. GENERAL INFORMATION

2. SAFETY

3. PRODUCT GUIDE

4. IMPORTANT NOTICE

5. TRANSPORTATION AND HANDLING

6. BEFORE OPERATION

7. REMOTE CONTROLLER

8. AUTOMATIC CONTROLS

9. BASIC TROUBLESHOOTING

PART II INSTALLATION

10. NAME OF PARTS

11. REFRIGERANT CYCLE

12. UNITS INSTALLATION

13. REFRIGERANT PIPING & REFRIGERANT CHARGE

14. DRAIN PIPING

15. ELECTRIC WIRING

16. TEST RUNNING

17. SAFETY SUMMARY & CONTROL DEVICE SETTING

18. TROUBLESHOOTING

1ª PARTE: FUNCIONAMIENTO

1. INFORMACIÓN GENERAL

2. SEGURIDAD

3. GUÍA DEL PRODUCTO

4. AVISO IMPORTANTE

5. TRANSPORTE Y MANIPULACIÓN

6. ANTES DEL FUNCIONAMIENTO

7. CONTROL REMOTO

8. CONTROLES AUTOMÁTICOS

9. RESOLUCIÓN DE PROBLEMAS BÁSICOS

2ª PARTE: INSTALACIÓN

10. NOMBRE DE LAS PIEZAS

11. CICLO DE REFRIGERANTE

12. INSTALACIÓN DE LAS UNIDADES

13. TUBERÍA Y CARGA DE REFRIGERANTE

14. TUBERÍA DE DESAGÜE

15. CABLEADO ELÉCTRICO

16. PRUEBAS DE FUNCIONAMIENTO

17. RESUMEN DE SEGURIDAD Y AJUSTE DE
LOS DISPOSITIVOS DE CONTROL

18. RESOLUCIÓN DE PROBLEMAS

INHALTSVERZEICHNIS INDEX

TEIL I – BETRIEB

1. ALLGEMEINE INFORMATIONEN

2. SICHERHEIT

3. PRODUKTÜBERSICHT

4. WICHTIGER HINWEIS

5. TRANSPORT UND BEDIENUNG

6. VOR DEM BETRIEB

7. FERNBEDIENUNG

8. AUTOMATISCHE STEUERUNG

9. GRUNDLEGENDE FEHLERBESEITIGUNG

TEIL II – INSTALLATION

10. TEILEBEZEICHNUNG

11. KÜHLKREISLAUF

12. GERÄTEINSTALLATION

13. KÄLTEMITTELROHRE UND KÄLTEMITTELMENGE

14. ABFLUSSLEITUNGEN

15. KABELANSCHLUSS

16. TESTLAUF

17. SICHERHEITSÜBERSICHT UND EINSTELLUNG
DER STEUERGERÄTE

18. FEHLERBEHEBUNG

PARTIE I – FONCTIONNEMENT

1. INFORMATIONS GÉNÉRALES

2. SÉCURITÉ

3. GUIDE DU PRODUIT

4. REMARQUES IMPORTANTES

5. TRANSPORT ET MANIPULATION

6. AVANT L’UTILISATION

7. TÉLÉCOMMANDE

8. CONTRÔLES AUTOMATIQUES

9. DÉPANNAGE DE BASE

PARTIE II – INSTALLATION

10. NOMENCLATURE DES PIÈCES

11. CYCLE FRIGORIFIQUE

12. INSTALLATION DES UNITÉS

13. TUYAUTERIE DU FLUIDE FRIGORIGÈNE
ET CHARGE DU FLUIDE FRIGORIGÈNE

14. TUYAUTERIE D’ÉVACUATION DES CONDENSATS

15. CÂBLAGE ÉLECTRIQUE

16. TEST DE FONCTIONNEMENT

17. SOMMAIRE DES DISPOSITIFS DE SÉCURITÉ
& RÉGLAGE DES ORGANES DE CONTRÔLE

18. DEPANNAGE

INDICE ÍNDICE

PARTE I FUNZIONAMENTO

1. INFORMAZIONI GENERALI

2. SICUREZZA

3. GUIDA DEL PRODOTTO

4. NOTA IMPORTANTE

5. TRASPORTO E MOVIMENTAZIONE

6. PROCEDURA PRELIMINARE

7. CONTROLLO REMOTO

8. CONTROLLI AUTOMATICI

9. RISOLUZIONE DEI PROBLEMI MINORI

PART II INSTALLAZIONE

10. NOMENCLATURA DEI COMPONENTI

11. CICLO DI REFRIGERAZIONE

12. INSTALLAZIONE DELLE UNITÀ

13. LINEA DEL REFRIGERANTE E CARICA
DI REFRIGERANTE

14. LINEA DI DRENAGGIO

15. COLLEGAMENTI ELETTRICI

16. COLLAUDO DI PROVA

17. PRECAUZIONI PER LA SICUREZZA E IMPOSTAZIONI
DEI DISPOSITIVI DI CONTROLLO

18. RISOLUZIONE DEI PROBLEMI

PARTE I FUNCIONAMENTO

1. INFORMAÇÃO GERAL

2. SEGURANÇA

3. GUIA DO PRODUTO

4. NOTA IMPORTANTE

5. TRANSPORTE E MANUSEAMENTO

6. ANTES DE ARRANCAR A UNIDADE

7. CONTROLO REMOTO

8. CONTROLOS AUTOMÁTICOS

9. RESOLUÇÃO DE PROBLEMAS BÁSICOS

PARTE II INSTALAÇÃO

10. NOME DAS PEÇAS

11. CICLO DE REFRIGERAÇÃO

12. INSTALAÇÃO DAS UNIDADES

13. TUBAGEM E CARGA DE REFRIGERANTE

14. TUBAGEM DE ESGOTO

15. LIGAÇÕES ELÉCTRICAS

16. PROVA DE FUNCIONAMENTO

17. SUMÁRIO DE SEGURANÇA E AJUSTE
DE DISPOSITIVO DE CONTROLO

18. RESOLUÇÃO DE PROBLEMAS

INDHOLDSFORTEGNELSE INHOUDSOPGAVE

DEL I - BETJENING

1. GENEREL INFORMATION

2. SIKKERHED

3. PRODUKTVEJLEDNING

4. VIGTIG MEDDELELSE

5. TRANSPORT OG HÅNDTERING

6. FØR DRIFT

7. FJERNBETJENING

8. AUTOMATISK BETJENING

9. BASIS FEJLFINDING

DEL II- MONTERING

10. NAVNE PÅ DELE

11. KØLEKREDSLØB

12. MONTERING AF ENHEDER

13. KØLERØRSYSTEM OG PÅFYLDNING AF
KØLEMIDDEL

14. AFLØBSRØR

15. ELEKTRISK LEDNINGSFØRING

16. TESTKØRSEL

17. OVERSIGT OVER INDSTILLINGER FOR
SIKKERHEDS- OG KONTROLENHEDER

18. FEJLFINDING

DEEL I BEDIENING

1. ALGEMENE INFORMATIE

2. VEILIGHEID

3. PRODUCTGIDS

4. BELANGRIJKE MEDEDELING

5. TRANSPORT EN HANTERING

6. VOORDAT U HET SYSTEEM IN GEBRUIK NEEMT

7. AFSTANDSBEDIENING

8. AUTOMATISCHE BESTURING

9. ELEMENTAIRE PROBLEMEN OPLOSSEN

DEEL II INSTALLATIE

10. NAMEN VAN ONDERDELEN

11. KOUDEMIDDELCYCLUS

12. INSTALLATIE VAN DE UNITS

13. KOELMIDDELLEIDINGEN & KOELMIDDEL VULLEN

14. AFVOERLEIDING

15. ELEKTRISCHE BEDRADING

16. PROEFDRAAIEN

17. VEILIGHEIDSSAMENVATTING &
BESTURINGSINRICHTING

18. PROBLEMEN OPLOSSEN

INNEHALLSFÖRTECKNING ΕΥΡΕΤΗΡΙΟ

DEL I ANVÄNDNING

1. ALLMÄN INFORMATION

2. SÄKERHET

3. PRODUKTGUIDE

4. VIKTIG ANMÄRKNING

5. TRANSPORT OCH HANTERING

6. FÖRE DRIFT

7. FJÄRRKONTROLL

8. AUTOMATIK KONTROLLANORDNING

9. GRUNDLÄGGANDE FELSÖKNING

DEL II INSTALLATION

10. DELARNAS NAMN

11. KYLMEDIETS CYKEL

12. INSTALLATION AV ENHETER

13. KYLRÖR & PÅFYLLNING AV KYLMEDIUM

14. DRÄNERINGSRÖR

15. ELEKTRISKA KABLAR

16. PROVKÖRNING

17. SÄKERHETSSAMMANFATTNING OCH
SÄKERHETSINSTÄLLNINGAR

18. FELSÖKNING

ΜΕΡΟΣ Ι – ΛΕΙΤΟΥΡΓΙΑ

1. ΓΕΝΙΚΕΣ ΠΛΗΡΟΦΟΡΙΕΣ

2. ΑΣΦΆΛΕΙΑ

3. ΟΔΗΓΟΣ ΠΡΟΪΟΝΤΟΣ

4. ΣΗΜΑΝΤΙΚΗ ΠΑΡΑΤΗΡΗΣΗ

5. ΜΕΤΑΦΟΡΆ ΚΑΙ ΧΕΙΡΙΣΜΌΣ

6. ΠΡΙΝ ΤΗ ΛΕΙΤΟΥΡΓΙΑ

7. ΧΕΙΡΙΣΤΗΡΙΟ

8. ΑΥΤΟΜΑΤΕΣ ΛΕΙΤΟΥΡΓΙΕΣ

9. ΑΝΤΙΜΕΤΩΠΙΣΗ ΠΡΟΒΛΗΜΑΤΩΝ - ΒΑΣΙΚΑ

ΜΕΡΟΣ ΙΙ – ΕΓΚΑΤΑΣΤΑΣΗ

10. ΟΝΟΜΑΤΑ ΕΞΑΡΤΗΜΑΤΩΝ

11. ΚΥΚΛΟΣ ΨΥΞΗΣ

12. ΕΓΚΑΤΑΣΤΑΣΗ ΕΣΩΤΕΡΙΚΩΝ ΜΟΝΑΔΩΝ

13. ΣΩΛΗΝΩΣΕΙΣ ΨΥΚΤΙΚΟΥ & ΠΛΗΡΩΣΗ ΜΕ
ΨΥΚΤΙΚΟ ΜΕΣΟ

14. ΣΩΛΗΝΩΣΕΙΣ ΑΠΟΧΕΤΕΥΣΗΣ

15. ΗΛΕΚΤΡΙΚΗ ΚΑΛΩΔΙΩΣΗ

16. ΔΟΚΙΜΑΣΤΙΚΗ ΛΕΙΤΟΥΡΓΙΑ

17. ΣΥΝΟΠΤΙΚΕΣ ΠΡΟΦΥΛΑΞΕΙΣ ΑΣΦΑΛΕΙΑΣ
& ΡΥΘΜΙΣΕΙΣ ΣΥΣΚΕΥΩΝ ΕΛΕΓΧΟΥ

18. ΑΝΤΙΜΕΤΩΠΙΣΗ ΠΡΟΒΛΗΜΑΤΩΝ

EN English Original version

ES Español Versión traducida

DE Deutsch Übersetzte Version

FR Français Version traduite

IT Italiano Versione tradotta

PT Português Versão traduzidal

DA Dansk Oversat version

NL Nederlands Vertaalde versie

SV Svenska Översatt version

EL ΕΛΛΗΝΙΚΑ Μεταφρασμένη έκδοση

General information

1

PMML0317A rev.1 - 11/2013

ENGLISH

PART I - OPERATION

1.2 ENVIRONMENT-FRIENDLY UNITS

1 GENERAL INFORMATION

1.1 GENERAL NOTES

No part of this publication may be reproduced, copied, led or
transmitted in any shape or form without the permission of
HITACHI Air Conditioning Products Europe, S.A.U.

Within the policy of continuous improvement of its products,
HITACHI Air Conditioning Products Europe, S.A.U. reserves the
right to make changes at any time without prior notication and
without being compelled to introducing them into products subse­quently sold. This document may therefore have been subject to
amendments during the life of the product.

HITACHI makes every effort to offer correct, up-to-date docu­mentation. Despite this, printing 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, illustrations and descriptions included
in this manual.

This range of HITACHI outdoor units uses environmentally-friend­ly R410A gas refrigerant, and the RoHS and Greed Dot regula­tions are applied throughout the manufacturing and installation
process to reect HITACHI’s awareness of environmental respect
and commitment.

2 SAFETY

2.1 APPLIED SYMBOLS

During normal air conditioning system design work or unit instal­lation, greater attention must be paid in certain situations requir­ing particular care in order to avoid injuries an damage to the unit,
the installation or the building or property.

Situations 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 situations, a series of special symbols will be
used to clearly identify these situations.

Pay close attention to these symbols and to the messages follow­ing them, as your safety and that of others depends on it.

DA N G ER

• Thetextfollowingthissymbolcontainsinformationand
instructionsrelatingdirectlytoyoursafetyandphysical
wellbeing.

• Nottakingthese instructionsintoaccountcouldleadto
serious,veryseriousorevenfatalinjuriestoyouandoth­ersintheproximitiesoftheunit.

In the text following the danger symbol you can also nd informa­tion on safe procedures during unit installation.

CA U T IO N

• The text following this symbol contains information and in­structions relating directly to your safety and physical wellbe­ing.

• Not taking these instructions into account could lead to minor
injuries to you and others in the proximities of the unit.

• Not taking these instructions into account could lead to unit
damage.

In the text following the caution symbol you can also nd informa­tion on safe procedures during unit installation.

NO T E

• The text following this symbol contains information or instruc­tions that may be of use or that require a more thorough ex­planation.

• Instructions regarding inspections to be made on unit parts or
systems may also be included.

2

Product guide

PMML0317A rev.1 - 11/2013

3 PRODUCT GUIDE

DA N G ER

• Donotpourwaterintotheindoororoutdoorunit.These
productsareequippedwithelectricalparts.Ifwatercon­tactswithelectricalcomponentsthenitwillcauseaseri­ouselectricalshock.

• Donottouchoradjustsafetydevicesinsidetheindooror
outdoorunits.Ifthesedevicesaretouchedoradjusted,it
maycauseaseriousaccident.

• Donot open the service cover or access the indoor or
outdoorunitswithoutdisconnectingthemainpowersup­ply.

• IncaseofreTurnOFFthemainswitch,putoutthere
atonceandcontactyourservicecontractor.

CA U T IO N

• Do not use any sprays such as insecticide, lacquer, hair spray
or other ammable gases within approximately one (1) meter
from the system.

• If circuit breaker or fuse is often activated, stop the system
and contact your service contractor.

• Do not make service or inspections tasks by yourself. This
works must be performed by qualied service person.

• Do not put any strange material (sticks, etc...) into the air inlet
and outlet. These units have high speed rotating fans and it is
dangerous that any object touches them.

• Refrigerant leakage can cause difculty with breathing due to
insufcient air.

• This appliance must be used only by adult and capable peo­ple, having received the technical information or instructions
to handle properly and safely this appliance.

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

NO T E

It is recommended to ventilate the room every 3 or 4 hours.

2.2 ADDITIONAL INFORMATION ABOUT SAFETY

3.1 CLASSIFICATION OF IVX OUTDOOR UNITS MODELS

Unit type (Outdoor unit): RAS

Position-separating hyphen (xed)

Compressor power (HP): 3, 4, 5, 6, 8, 10

H = Heat pump

V = Single phase unit (1~ 230V 50Hz)

- = Three phase unit (3N~ 400V 50Hz)

N = R410A refrigerant

P: Premium series
C: Standard series

- = Series 0
1 = Series 1

E = Made in Europe

XXX – XX H (X) N X (X) X

3.2 CLASSIFICATION OF ES OUTDOOR UNITS MODELS

Unit type (Outdoor unit): RAS

Position-separating hyphen (xed)

Compressor power (HP): 4

H = Heat pump

V = Single phase unit (1~ 230V 50Hz)

- = Three phase unit (3N~ 400V 50Hz)

R = Inverter system

N = R410A refrigerant

S = ES series

Series

E = Made in Europe

XXX – XX H (X) R N S 3 X

Important notice

3

PMML0317A rev.1 - 11/2013

ENGLISH

4 IMPORTANT NOTICE

CA U T IO N

This unit is designed for commercial and light industrial applica­tion. If installed in house hold appliance, it could cause electro­magnetic interference.

Start-up and Operation: Check to ensure that all the stop valves
are fully opened and no obstacle exists at the inlet/outlet sides
before start-up and during the operation.

Maintenance: Periodically check the high pressure side pres­sure. If the pressure is higher than the maximum allowable pres­sure, stop the system and clean the heat exchanger or remove
the cause.

Maximum Allowable Pressure and High Pressure Cut-out Value:

Outdoor Unit Model Refrigerant

Maximum Allowable

Pressure (MPa)

High Pressure Switch

Cut-out Value (MPa)

RAS-(3-10)H(V)NP(1)E

RAS-(8-10)HNCE

R410A 4.15 4.00 ~ 4.10

RAS-4H(V)RNS3E R410A 4.15 4.00 ~ 4.10

• 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 continuing improvement
in design and performance of products. 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 conditioner has been designed for standard air condi­tioning for human beings. For use in other applications, please
contact your HITACHI dealer or service contractor.

• No part of this manual may be reproduced without written per­mission.

• If you have any questions, contact your service contractor of
HITACHI.

• This manual gives a common description and information
for this air conditioner which you operate as well as for other
models.

• Check and make sure that the explanations of each part of
this manual correspond to your air conditioner model.

• Refer to the models codication to conrm the main charac­teristics of your system.

• Signal words (DANGER, WARNING and CAUTION) are used
to identify levels of hazard seriousness. Denitions for iden­tifying hazard levels are provided below with their respective
signal words.

• It is assumed that this unit will be operated and serviced by
English speaking people. If this is not the case, the customer
should add safety, caution and operating signs in the native
language of the personal.

• This air conditioner has been designed for the following tem­perature. Operate the air conditioner within this range:

Temperature

Maximum Minimum

Cooling

Mode

Indoor 32°C DB/23°C WB 21°C DB/15°C WB

Outdoor 46 ºC DB (*) -5 °C DB

Heating

Mode

Indoor 27 °C DB 15 °C DB

Outdoor 15 °C WB -20 °C WB (**)

DB: Dry Bulb Temperature
WB: Wet Bulb Temperature
(*) 43ºC RAS-4H(V)RNS3E

(**) -10ºC RAS-4H(V)RNS3E

• These operations modes are controlled by the remote control
switch.

• This manual should be considered as a permanent part of the
air conditioner. This manual gives a common description and
information for this air conditioner which you operate as well
as for other models.

DA N G ER

Pressure Vessel and Safety Device: This air conditioner
is equipped witha highpressure vesselunder PED(Pres­sure Equipment Directive). The pressure vessel has
been designed and tested before shipment according to
PED.Also, in order to prevent the system from an abnor­mal pressure, a high pressure switch, which needs no
eld adjustment, is utilized in the refrigeration system.
Therefore, this air conditioner is protected from abnormal
pressures. However, if abnormally high pressure is ap­pliedto the refrigerationcycle including thehigh pressure
vessel(s),itwillresultinseriousinjuryordeathduetoexplo­sionofthepressurevessel.Donotapplyapressurehigher
thanthefollowingpressuretothesystem,bymodifyingor
changingthehighpressureswitch.