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Hitachi RAS-07CH1 User Manual

Hitachi RAS-07CH1
68 pages
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(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
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Hitachi RAS-07CH1 Specifications

General IconGeneral
BrandHitachi
ModelRAS-07CH1
CategoryAir Conditioner
LanguageEnglish

Summary

Safety During Repair Work

Working Standards For Preventing Breakage Of Semiconductors

Specifications

Construction And Dimensional Diagram

Names And Functions Of Each Part

Cooling Unit

Describes the components and functions of the indoor cooling unit.

Condensing Unit

Describes the components and functions of the outdoor condensing unit.

Operation Indicator

Names And Functions Of Remote Control Unit

Automatic Operation

Energy Save Dehumidifying Operation

Heating Operation

Manual Operation [Heating • Dehumidify • Cooling]

Timer Reservation

Adjusting The Air Deflector

How To Exchange The Batteries In The Remote Controller

Temporary Switch

The Ideal Ways Of Operation

For User's Information

Maintenance

Air Filter

Procedure for cleaning and replacing the air filter.

Cleaning Of Front Cover, Etc.

Instructions for cleaning external parts and remote controller.

Maintenance At Beginning Of Long Off Period

Regular Inspection

After Sale Service And Warranty

Main Parts Component

Thermostat

Specifications and details for the thermostat component.

Fan Motor

Specifications and connection details for the fan motor.

Compressor Motor

Specifications and connection details for the compressor motor.

Wiring Diagram

Wiring Diagram Of The Printed Wiring Board

Basic Mode

Description Of Main Circuit Operation

Auto Swing Function

Service Call Q & A

Diagnosis Chart For Break-Down

Inspection Of Indoor Unit Electrical

Outdoor unit is not working (but can receive signal from the remote controller)

Only indoor fan is not working (others are normal)

Unable to change the wind level of indoor fan (others are normal)

Louver is not working (others are normal)

All operations suspended after a few second a few minutes running (including all indications)

[No working • Not working correctly]

Service Operation

Refrigeration Cycle

Parts List And Diagram

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