Hitachi RAC-07GH4 User Manual

NO. 0193E
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
DECEMBER 2003 Refrigeration & Air-Conditioning Division
SERVICE MANUAL
PM
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
(W)
(A)
(kW)
(B.T.U./h)
(W)
(A)
(kW)
(B.T.U./h)
W
H
D
(kg)
(WALL TYPE)
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
CAPACITY
TOTAL INPUT
TOTAL AMPERES
CAPACITY
DIMENSIONS
(mm)
NET WEIGHT
SPECIFICATIONS
CONTENTS
SPECIFICATIONS ----------------------------------------------------- 5
HOW TO USE ---------------------------------------------------------- 6
CONSTRUCTION AND DIMENSIONAL DIAGRAM ------- 29
MAIN PARTS COMPONENT ------------------------------------- 31
WIRING DIAGRAM -------------------------------------------------- 33
CIRCUIT DIAGRAM ------------------------------------------------- 35
PRINTED WIRING BOARD LOCATION DIAGRAM ------- 37
BLOCK DIAGRAM --------------------------------------------------- 39
BASIC MODE --------------------------------------------------------- 41
REFRIGERATING CYCLE DIAGRAM ------------------------- 47
DESCRIPTION OF MAIN CIRCUIT OPERATION --------- 49
AUTO SWING FUNCTION ---------------------------------------- 53
SERVICE CALL Q & A -------------------------------------------- 54
PARTS LIST AND DIAGRAM ------------------------------------ 63
RAS-07GH4 / RAC-07GH4
RAS-09GH4 / RAC-09GH4
RAS-14GH4 / RAC-14GH4
COOLING
HEATING
INDOOR UNIT
RAS-07GH4
780
280
210
9.0
After installation
RAS-07GH4
RAS-09GH4
RAS-14GH4
RAC-14GH4
RAC-07GH4
RAC-09GH4
OUTDOOR UNIT
RAC-07GH4
INDOOR UNIT
RAS-09GH4
OUTDOOR UNIT
RAC-09GH4
INDOOR UNIT
RAS-14GH4
OUTDOOR UNIT
RAC-14GH4
700
570
210
32
750
570
280
38
780
280
210
9.0
700
570
210
32
780
280
210
9.0
1 PHASE, 50 Hz, 220-230-240V
590-610-630
2.80-2.80-2.80
2.10
7,160
490-510-530
2.30-2.30-2.30
2.20
7,500
1 PHASE, 50 Hz, 220-230-240V
890-900-950
4.20-4.10-4.10
2.90
9,900
740-770-810
3.50-3.50-3.50
3.00
10,230
1 PHASE, 50 Hz, 220-230-240V
1060-1090-1120
5.00-5.00-4.90
3.50
11,940
960-1000-1050
4.60-4.60-4.60
3.85
13,140

Hitachi RAC-07GH4 Specifications

General

Brand	Hitachi
Model	RAC-07GH4
Category	Air Conditioner
Language	English

Summary

Safety During Repair Work

Semiconductor Handling Standards

General Operation Cautions

Detailed Unit Specifications

Installation Guide for RAS-07/09GH4 Units

Installation Guide for RAS-14GH4 Unit

Comprehensive Safety Precautions

Indoor Unit Parts Identification

Remote Control Unit Functions

Automatic Operation Mode Explained

Heating Operation Guide

Dehumidifying Operation Guide

Cooling Operation Guide

Fan Operation Guide

Timer Setting Procedures

Sleep Timer Setup

Air Deflector Adjustment

Remote Control Battery Replacement

Ideal Operation Practices

User Information and Precautions

Air Cleansing Filter Installation

Air Filter Maintenance

Regular Inspection Checklist

After-Sale Service and Warranty Information

Construction and Dimensional Diagrams

Main Component Specifications

Wiring Diagram

Remote Control Circuit Diagram

Block Diagram of System Operation

Basic Operation Modes

Refrigerant Cycle Diagrams

Main Circuit Operation Description

Auto Swing Function Control

Service Call Q&A: Cooling & Dehumidifying

Service Call Q&A: Heating & Defrosting

General Troubleshooting Steps

Indoor Unit Parts List and Diagram

Outdoor Unit Parts List and Diagram