Hitachi RAC-09GH4 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-09GH4 Specifications

General

Brand	Hitachi
Model	RAC-09GH4
Category	Air Conditioner
Language	English

Summary

SPECIFICATIONS

SAFETY DURING REPAIR WORK

WORKING STANDARDS FOR PREVENTING BREAKAGE OF SEMICONDUCTORS

SAFETY PRECAUTION

PRECAUTIONS DURING INSTALLATION

Guidelines for safe installation, including earthing and circuit breakers.

PRECAUTIONS DURING SHIFTING OR MAINTENANCE

Safety measures for moving and servicing the unit to prevent hazards.

PRECAUTIONS DURING OPERATION

Warnings and cautions for safe operation of the air conditioner.

NAMES AND FUNCTIONS OF EACH PART

INDOOR UNIT

Identifies and describes the components of the indoor air conditioning unit.

OUTDOOR UNIT

Identifies and describes the components of the outdoor air conditioning unit.

INDOOR UNIT INDICATORS

TEMPORARY SWITCH

Explains the use of the temporary switch for basic operation without a remote.

NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT

AUTOMATIC OPERATION

HEATING OPERATION

DEHUMIDIFYING OPERATION

COOLING OPERATION

FAN OPERATION

HOW TO SET THE TIMER

HOW TO SET THE SLEEP TIMER

Explanation of the sleep timer

ADJUSTING THE AIR DEFLECTOR

HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER

THE IDEAL WAYS OF OPERATION

FOR USER'S INFORMATION

ATTACHING THE AIR CLEANSING AND DEODORIZING FILTERS

MAINTENANCE

AIR FILTER

Procedure for cleaning the air filter to maintain performance and reduce noise.

Washable Front Panel

Instructions for removing and cleaning the front panel of the indoor unit.

Maintenance at Beginning of Long Off Period

Steps to prepare the unit for extended periods of non-operation.

REGULAR INSPECTION

AFTER SALE SERVICE AND WARRANTY

CONSTRUCTION AND DIMENSIONAL DIAGRAM

MAIN PARTS COMPONENT

THERMOSTAT (Room Temperature Thermistor)

Specifications and operation details for the thermostat component.

FAN MOTOR

Specifications and connection details for the fan motor.

COMPRESSOR MOTOR

Specifications, connection, and resistance values for the compressor motor.

WIRING DIAGRAM

CIRCUIT DIAGRAM

BLOCK DIAGRAM

BASIC MODE

REFRIGERANT CYCLE DIAGRAM

DESCRIPTION OF MAIN CIRCUIT OPERATION

SERVICE CALL Q & A

TROUBLE-SHOOTING

PARTS LIST AND DIAGRAM (Indoor Unit)

INDOOR UNIT

Exploded view and list of parts for the indoor unit.

PARTS LIST AND DIAGRAM (Indoor Unit Diagrams)

INDOOR UNIT (Diagrams)

Additional exploded views and part identification for the indoor unit.

PARTS LIST AND DIAGRAM (Outdoor Unit)

OUTDOOR UNIT

Exploded view and list of parts for the outdoor unit.