Hitachi RAC-25YH4 User Manual

SPLIT TYPE AIR CONDITIONER
MODEL
RAS-18YH4/RAC-18YH4
RAS-25YH4/RAC-25YH4
RAS-35YH4/RAC-35YH4
INDOOR UNIT/OUTDOOR UNIT
INDOOR UNIT
Instruction manual Page 1~20
To obtain the best performance and ensure years of
trouble free use, please read this instruction manual
completely.
Bedlenungsanleitung Seite 21~40
Bitte lesen Sie diese Bedienungsanleitung aufmerksam
durch, um durch richtige Bedienung jahrelangen und
störungsfreien Betrieb zu gewährleisten.
Mode d’emploi Page 41~60
Des performances optimales et un fonctionnement à
long terme seront assurés en appliquant les présentes
instructions après avoir entièrement lu ce mode
d’emploi.
Manuale di istruzioni Pag. 61~80
Per garantire la migliore prestazione e la più lunga
durataleggere attentamente e al completo le seguanti
istruzioni
Manual de instrucciones Página 81~100
Para obtener el mejor funcionamiento y asegurar años
de uso libre de problemas, lea cuidadosamente este
manual de instrucciones.
Manual de instruções Página 101~120
A fim de obter um bom funcionamento e de garantir
uma utilização sem falhas durante muitos anos, é favor
ler este manual de instruções completamente.
√‰ËÁ›Â˜ ¯Ú‹Û˘ ™ÂÏ›‰· 121~140
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ÁÈ· ÙËÓ Ì·ÎÚÔÚfiıÂÛÌË ¯Ú‹ÛË ÙÔ˘ ¯ˆÚ›˜
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¯Ú‹Û˘.
OUTDOOR UNIT
– 1 –
ENGLISH
< 437 : B >
RAC-18YH4
RAC-25YH4
RAC-35YH4
RAS-18YH4
RAS-25YH4
RAS-35YH4
04L154_RAS_25_35_COVER 2004.12.9, 11:18 AM1

Hitachi RAC-25YH4 Specifications

General

Cooling Capacity	2.5 kW
Refrigerant	R410A
Power Supply	220-240V, 50Hz
Type	Split System
Weight (Indoor/Outdoor)	9/28 kg

Summary

SAFETY PRECAUTION

Installation Safety Precautions

Covers warnings and cautions related to installing the air conditioner unit.

Shifting and Maintenance Safety

Covers warnings and cautions for moving or servicing the unit.

PRECAUTIONS DURING OPERATION

Operational Safety Warnings and Cautions

Lists warnings and cautions for safe operation, including prohibitions and advice.

REMOTE CONTROLLER OPERATION

Remote Control Buttons and Functions

Explains the display, buttons, and their uses for operating the unit.

HEATING OPERATION

Performing Heating Operation

Guides on setting mode, fan speed, and temperature for heating.

DEHUMIDIFYING OPERATION

Performing Dehumidifying Operation

Guides on setting mode and temperature for dehumidifying.

COOLING OPERATION

Performing Cooling Operation

Guides on setting mode, fan speed, and temperature for cooling.

TIMER SETTINGS

Setting Current Time and Date

Setting Timer Modes (OFF, ON, ON/OFF)

Explains how to program timers for various operations.

TIMER SETTING PROCEDURES

Setting ON/OFF Timer Sequences

Details the steps for programming combined ON/OFF timer operations.

MAINTENANCE

Cleaning the Air Filter

REGULAR INSPECTION AND SERVICE CHECKLIST

Periodic Inspection Points

Service Checkpoints Before Requesting Repair

TROUBLESHOOTING AND FAILURE INDICATIONS

Critical Phenomena Requiring Immediate Service