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Hitachi RAS-07BH1 User Manual

Hitachi RAS-07BH1
51 pages
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(W)
(A)
(kW)
(BTU/H)
(W)
(A)
(KW)
(BTU/H)
W
H
D
TOTAL INPUT
TOTAL AMPERES
CAPACITY
TOTAL INPUT
TOTAL AMPERES
CAPACITY
TYPE
MODEL
POWER SOURCE
COOLING
HEATING
DIMENSIONS
NET WEIGHT
NO. 0016E
SERVICE MANUAL
AW
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
1φ, 220 V, 50 Hz
850 - 875 1,130
3.95 - 4.06 5.25
2.25 - 2.60 3.60
7,679 - 8,874 12,287
820 - 840 1300
3.81 - 3.90 6.03
2.50 - 2.90 4.20
8,533 - 9,898 14,335
785 775 815 820
250 500 298 520
175 300 194 280
930938
SPECIFICATIONS
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 5
CONSTRUCTION AND DIMENSIONAL DIAGRAM ----------------------- 6
NAMES AND FUNCTIONS OF EACH PART ------------------------------- 8
MAIN PARTS COMPONENT ---------------------------------------------------23
WIRING DIAGRAM-----------------------------------------------------------------25
BASIC MODE ------------------------------------------------------------------------33
AUTO SWING FUNCTION ------------------------------------------------------37
SERVICE CALL Q & A -----------------------------------------------------------38
REFRIGERATION CYCLE -------------------------------------------------------44
PARTS LIST AND DIAGRAM---------------------------------------------------46
RAS-07BH1/RAC-07BH1
RAS-09BH1/RAC-09BH1
RAS-14BH1/RAC-14BH1
REFER TO THE FOUNDATION MANUAL
COOLING UNIT CONDENSING UNIT
WALL TYPE
(mm)
(kg)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
COOLING UNIT + CONDENSING UNIT
COOLING UNIT CONDENSING UNIT
RAS-07BH1
RAS-09BH1
RAC-07BH1
RAC-09BH1
RAS-14BH1 RAC-14BH1
INDOOR UNIT
OUTDOOR UNIIT
RAS-09BH1
RAS-07BH1
RAS-14BH1
RAC-09BH1
RAC-07BH1
RAC-14BH1
.5
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Hitachi RAS-07BH1 Specifications

General IconGeneral
BrandHitachi
ModelRAS-07BH1
CategoryAir Conditioner
LanguageEnglish

Summary

Safety During Repair Work

General Repair Safety

Key safety guidelines for handling and repairing the unit.

Semiconductor Handling

Preventing Component Damage

Standards for handling semiconductors to prevent breakage and ensure proper operation.

Technical Specifications

Model Specifications

Detailed electrical and physical specifications for various air conditioner models.

Component Identification

Indoor Unit Parts

Identifies and describes the functions of various parts of the indoor unit.

Outdoor Unit Parts

Identifies and describes the functions of various parts of the outdoor unit.

Operation Indicators

Indoor Unit Indicator Lights

Explains the meaning of indicator lamps on the indoor unit during operation.

Remote Control

Remote Control Operation

Details the buttons and functions of the air conditioner's remote control unit.

Automatic Operation

Automatic Mode Functionality

Describes how the unit automatically selects operation mode based on room temperature.

Manual Operation

Manual Mode Settings

Instructions for manually setting heating, dehumidifying, and cooling modes.

Timer Functions

Setting On and Off Timers

How to set and cancel the ON and OFF timer functions for the air conditioner.

Sleep Timer

Sleep Timer Operation

Guide on how to set and manage the sleep timer function for comfortable operation.

Airflow Control

Air Deflector Adjustment

Instructions for adjusting the air deflector for optimal airflow direction.

Remote & Basic Operation

Battery Replacement & Temporary Switch

Procedures for replacing remote control batteries and using the temporary switch.

Operational Best Practices

Ideal Operation Tips

Tips for ideal operation, room temperature, ventilation, and filter cleaning.

User Information

Operating Tips and Warnings

Information on heat sources, power failure, long-term storage, and lightning.

Maintenance

Air Filter Cleaning

Step-by-step guide on how to remove, clean, and install the air filter.

Front Panel & Long-Term Storage Care

How to clean the front panel and prepare the unit for long-term storage.

Inspection & Service

Regular Checks & Warranty

Points for regular inspection and guidance for after-sale service.

Key Component Details

Thermostat & Fan Motor Specs

Detailed specifications and connections for thermostats and fan motors.

Compressor Motor Specs

Specifications, connection diagrams, and resistance values for compressor motors.

Electrical Schematics

Wiring Diagram Overview

Explains the wiring diagram and component labels for the air conditioner system.

Operation Modes Explained

Basic and Circulation Modes

Details on basic operation, circulation modes, and their fan speed controls.

Auto Swing Function

Air Deflector Swing Operation

Explains how the auto swing function controls the air deflector movement.

Troubleshooting

Cooling & Dehumidifying Issues

Answers common questions and troubleshooting steps for cooling/dehumidifying operations.

Heating Operation Issues

Answers common questions and troubleshooting steps for heating operations.

Automatic Operation Issues

Answers common questions regarding automatic operation mode and temperature control.

Remote Control & General Issues

Troubleshooting common issues with remote control and general operation.

Error Diagnosis

Timer Lamp Blinking Codes

Interprets timer lamp blinking patterns to diagnose break-down factors.

Refrigeration Cycle

Cooling & Heating Cycles

Diagrams illustrating the refrigeration cycle for cooling, dehumidifying, and heating modes.

Parts Breakdown

Indoor Unit Parts List

Exploded view and part numbers for the indoor unit components.

Indoor Unit Parts Details

Detailed list of part numbers and quantities for the indoor unit.

Outdoor Unit Parts List (7/9BH)

Exploded view and part numbers for the RAC-07BH1/RAC-09BH1 outdoor unit.

Outdoor Unit Parts Details (7/9BH)

Detailed list of part numbers and quantities for the RAC-07BH1/RAC-09BH1 outdoor unit.

Outdoor Unit Parts List (14BH)

Exploded view and part numbers for the RAS-14BH1 outdoor unit.

Outdoor Unit Parts Details (14BH)

Detailed list of part numbers and quantities for the RAS-14BH1 outdoor unit.

Outdoor Unit Parts List (RAC-14BH1)

Exploded view and part numbers for the RAC-14BH1 outdoor unit.

Outdoor Unit Parts Details (RAC-14BH1)

Detailed list of part numbers and quantities for the RAC-14BH1 outdoor unit.

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