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Hitachi RAC-07CH5 User Manual

Hitachi RAC-07CH5
68 pages
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NO. 0223E
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
OCTOBER 2004
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-07CH5 / RAC-07CH5
RAS-09CH5 / RAC-09CH5
RAS-14CH5 / RAC-14CH5
COOLING
HEATING
INDOOR UNIT
RAS-07CH5
780
280
210
9.0
After installation
RAS-07CH5
RAS-09CH5
RAS-14CH5
RAC-14CH5
RAC-07CH5
RAC-09CH5
OUTDOOR UNIT
RAC-07CH5
INDOOR UNIT
RAS-09CH5
OUTDOOR UNIT
RAC-09CH5
INDOOR UNIT
RAS-14CH5
OUTDOOR UNIT
RAC-14CH5
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, 220-240V
620 – 640
2.90 – 2.80
2.20 – 2.25
7,510 – 7,680
510 – 540
2.40 – 2.30
2.20 – 2.25
7,510 – 7,680
1 PHASE, 50 Hz, 220-240V
830 – 860
3.90 – 3.70
2.75 – 2.80
9,380 – 9,560
700 – 740
3.30 – 3.20
3.00
10,240
1 PHASE, 50 Hz, 220-240V
1,150 – 1,210
5.4 – 5.2
3.65 – 3.70
12,460 – 12,630
1,080 – 1,160
5.10 – 5.00
4.0 – 4.10
13,650 – 14,000
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Hitachi RAC-07CH5 Specifications

General IconGeneral
BrandHitachi
ModelRAC-07CH5
CategoryAir Conditioner
LanguageEnglish

Summary

SAFETY DURING REPAIR WORK

Handling Semiconductor Components

Details procedures for safely handling and storing semiconductor parts to prevent damage.

SPECIFICATIONS

INSTALLATION GUIDE

Unit Installation (Models 07/09)

Provides diagrams and guidelines for installing indoor and outdoor units for models 07 and 09.

Unit Installation (Model 14)

Details installation diagrams and guidelines for the model 14 indoor and outdoor units.

SAFETY PRECAUTIONS

Precautions During Operation

Critical safety instructions to observe while operating the air conditioner for user safety.

NAMES AND FUNCTIONS OF EACH PART

Indoor Unit Components

Explains the components and functions of the indoor air conditioning unit.

Outdoor Unit Components

Explains the parts and functions of the outdoor air conditioning unit.

REMOTE CONTROLLER OPERATION

Remote Controller Overview and Buttons

Identifies key buttons and display elements, explaining their functions.

Remote Controller Usage Precautions

Lists important considerations and warnings for using the remote controller.

OPERATION MODES

Automatic Operation

Details how the unit automatically selects cooling, dehumidifying, or heating based on room temperature.

Heating Operation

Explains how to use the heating function, including fan speed and temperature settings.

Cooling Operation

Guides on using the cooling function, including fan speed and temperature settings.

TIMER FUNCTIONS

Setting the Timer

Instructions for setting ON, OFF, and ON/OFF timers, including time and reservation cancellation.

Setting the Sleep Timer

Guides on how to set and use the sleep timer for automatic operation.

MAINTENANCE AND CARE

Attaching Air Filters

Step-by-step guide for attaching air cleansing and deodorizing filters to the unit.

Air Filter Cleaning

Detailed procedure for cleaning the air filter and its recommended replacement interval.

TECHNICAL DIAGRAMS

Construction and Dimensional Diagrams

Illustrates the construction and dimensions of the indoor and outdoor units.

Wiring and Block Diagrams

Shows the wiring diagram and block diagram of the air conditioner's electrical system.

TROUBLE-SHOOTING

Diagnosing Operation Issues

Guides on diagnosing and resolving common issues like no cooling, heating, or operation.

PARTS LIST AND DIAGRAMS

Indoor Unit Parts

Lists and illustrates parts for the indoor unit models.

Outdoor Unit Parts (Models 07/09)

Lists and illustrates parts for the RAC-07CH5 and RAC-09CH5 outdoor units.

Outdoor Unit Parts (Model 14)

Lists and illustrates parts for the RAC-14CH5 outdoor unit.

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