Hitachi RAC-09CHV1 User Manual

(W)
(A)
(kW)
(B.T.U./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. 0079E
SERVICE MANUAL
PM
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
1 Ø, 220 – 240 V, 50 Hz
680 – 730 870 – 925
3.2 – 3.1 4.1 – 4.1
2.05 – 2.05 2.50 – 2.50
7,000 – 7,000 8,500 – 8,500
630 – 685 860 – 920
3.0 – 2.9 4.0 – 4.0
2.30 – 2.30 2.94 – 3.00
7,850 – 7,850 10,000 – 10,200
785 700 785 700
265 570 265 570
168 210 168 210
726726
SPECIFICATIONS
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 5
CONSTRUCTION AND DIMENSIONAL DIAGRAM ----------------------- 6
NAMES AND FUNCTIONS OF EACH PART ------------------------------- 7
MAIN PARTS COMPONENT --------------------------------------------------- 20
WIRING DIAGRAM ----------------------------------------------------------------- 22
WIRING DIAGRAM OF THE PRINTED WIRING BOARD ------------- 24
BASIC MODE ------------------------------------------------------------------------ 31
DESCRIPTION OF MAIN CIRCUIT OPERATION ------------------------ 35
AUTO SWING FUNCTION ------------------------------------------------------ 40
SERVICE CALL Q & A ----------------------------------------------------------- 41
DIAGNOSIS CHART FOR BREAK-DOWN --------------------------------- 46
REFRIGERATION CYCLE ------------------------------------------------------- 56
PARTS LIST AND DIAGRAM --------------------------------------------------- 57
RAS-07CH1
RAS-09CH1
RAC-07CHV1
RAC-09CHV1
RAS-07CH1/RAC-07CHV1
RAS-09CH1/RAC-09CHV1
REFER TO THE FOUNDATION MANUAL
COOLING UNIT
RAS-07CH1
CONDENSING UNIT
RAC-07CHV1
WALL TYPE
(mm)
(kg)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
COOLING UNIT + CONDENSING UNIT
NOVEMBER 1997 H.A.P.M.
COOLING UNIT
RAS-09CH1
CONDENSING UNIT
RAC-09CHV1

Hitachi RAC-09CHV1 Specifications

General

Brand	Hitachi
Model	RAC-09CHV1
Category	Air Conditioner
Language	English

Summary

Safety During Repair Work

Working Standards for Preventing Semiconductor Breakage

Construction and Dimensional Diagram

Names and Functions of Each Part

Remote Control Unit Functions

Maintenance Procedures

Air Filter Cleaning and Installation

Provides detailed steps for cleaning and reinstalling the air filter, including cautions.

After Sale Service and Warranty

Main Parts Component Details

Thermostat Specifications

Details the specifications and operating points of the thermostat, including temperature indications.

Fan Motor Specifications

Provides specifications for the fan motor, including voltage, frequency, output, and wiring diagram.

Wiring Diagram

Printed Wiring Board Diagram

Basic Mode Operation

Main Circuit Operation Description

ON/OFF and Timer Operation

Reset Circuit Operation

Service Call Q & A

Cooling Operation Troubleshooting

Dehumidifying Operation Troubleshooting

Diagnosis Chart for Break-Down

Break-down Diagnosis by Timer-Lamp Blinking

Indoor Unit Electrical Inspection

Troubleshooting Power On Issues

Provides a flowchart for diagnosing and resolving issues when the unit does not power on.

Outdoor Unit Operation Check

Outdoor Unit Not Working (Remote Signal Received)

Guides on diagnosing outdoor unit failure when it can receive remote signals.

Indoor Functional Issues

Indoor Fan and Louver Operation Problems

All Operations Suspended

Outdoor Unit Electrical Inspection

Troubleshooting Outdoor Unit Electrical Problems

Provides a flowchart for diagnosing electrical problems in the outdoor unit, including power and circuit checks.

Communication Error Diagnosis

Thermistor and Reset Circuit Troubleshooting

Self-Checking Lamp Indications

Refrigeration Cycle Diagrams

Cooling and Defrost Cycle

Illustrates the refrigerant flow for cooling and defrost operations with component and pipe sizes.

Heating Cycle

Illustrates the refrigerant flow for heating operations with component and pipe sizes.

Parts List and Diagram