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Hitachi RAC-32CNH2 User Manual

Hitachi RAC-32CNH2
20 pages
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SPLIT TYPE
HITACHI
INDOOR UNIT/OUTDOOR UNIT
MODEL
RAS-32CNH2/RAC-32CNH2
Instruction manual Page 1~18
To obtain the best performance and ensure years of trouble free use, please read this instruction manual
completely.
OUTDOOR UNIT INDOOR UNIT
RAS-32CNH2
RAC-32CNH2
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32CNH2 EN1 3/25/05, 2:301
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Hitachi RAC-32CNH2 Specifications

General IconGeneral
Star Rating3 Star
Power Supply230 V, 50 Hz
Noise Level (Indoor)38 dB
Indoor Unit Weight9 kg
TypeSplit AC
Capacity1 Ton
RefrigerantR32

Summary

Safety Precautions

Precautions During Installation

Safety guidelines for installing the air conditioning unit, covering earth lines and circuit breakers.

Precautions During Shifting or Maintenance

Safety measures for moving or servicing the unit, emphasizing professional help and avoiding electrical hazards.

Precautions During Operation

Safety advice for operating the unit, including avoiding direct airflow and electrical safety.

Names and Functions of Each Part

Indoor Unit Components

Details and descriptions of the parts of the indoor air conditioning unit, including filters and indicators.

Outdoor Unit Components

Details and descriptions of the parts of the outdoor air conditioning unit, including pipes and inlets.

Model Name and Dimensions

Specifications for the air conditioner models, listing dimensions for width, height, and depth.

Operation Indicator

Indoor Unit Indicators

Explanation of the indicator lamps on the indoor unit (Operation, Filter, Signal, Timer) and their meanings.

Names and Functions of Remote Control Unit

Remote Control Operation Buttons

Description of buttons on the remote control and their functions for operating the air conditioner.

Precautions for Remote Control Use

Important safety and usage guidelines for handling and operating the remote controller.

Automatic Operation

Operating the Automatic Mode

Instructions on how to start and adjust settings for the automatic operation mode of the air conditioner.

Automatic Operation Conditions

Table outlining the mode, temperature, and fan speed settings based on initial room temperature.

Manual Operation Modes

Operation Mode Selection

How to cycle through and select operating modes: Auto, Heat, Dry, and Cool.

Room Temperature Setting

Guidelines for setting the desired room temperature for heating, dehumidifying, and cooling.

Fan Speed Setting

Instructions on adjusting the fan speed for different operation modes (Heating, Cooling, Dehumidifying).

Timer Reservation

Setting the Off Timer

Procedure to set the timer for the unit to automatically turn off at a specified time.

Setting the On Timer

Procedure to set the timer for the unit to automatically turn on at a specified time.

Cancelling Timer Reservations

How to cancel any previously set ON or OFF timer reservations.

How to Set the Sleep Timer

Setting Sleep Timer

Instructions on setting the sleep timer to automatically turn off the unit after a selected duration.

Cancelling Sleep Timer Reservation

Procedure to cancel an active sleep timer reservation.

Sleep Timer Note

Important note regarding how the sleep timer interacts with other timer settings.

Sleep Timer Explanation

Sleep Timer Operation Details

How the sleep timer automatically controls fan speed and room temperature during heating, cooling, and fan modes.

Adjusting the Air Deflector

Upward and Downward Adjustment

How to adjust the horizontal air deflector for upward/downward airflow, including auto-swing function.

Left and Right Adjustment

How to manually adjust the vertical air deflector for left/right airflow direction.

Replacing Remote Control Batteries

Replacing Air Filters

Ideal Operation Practices

User Information and Precautions

Heat Load and Room Temperature

Explanation of how heat sources affect cooling capability and achievement of set room temperature.

Operation After Power Failure

What happens when power resumes after an outage and how to restart the unit.

Long Term Non-Operation

Advice on switching off the unit from the mains when not in use for extended periods to save power.

Lightning Protection

Safety warning to stop operation and unplug the unit during lightning to protect it.

Maintenance

Cleaning the Air Filter

Detailed procedure for removing, cleaning (vacuuming or washing), and reinstalling air filters.

Cleaning the Washable Suction Grille

Instructions for removing, washing, and reattaching the unit's washable suction grille.

Maintenance for Long Off Period

Procedure for preparing the unit when it will not be used for an extended time, including drying and unplugging.

Regular Inspection

Periodic Checks

Checklist for regular half-yearly or yearly inspections of power plug, earth line, and mounting frame.

After Sale Service and Warranty

Service Checklist

Points to check before contacting service for non-operation or poor cooling/heating performance.

Common Operational Notes

Explanations of normal phenomena like slight noises and odors, and advice on cleaning.

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