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Hitachi Manuals
Air Conditioner
Summit RAS-60YH5
Service manual
Table Of Contents - Hitachi RAS-60YH5 Service Manual
Room air conditioner
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Also See for RAS-60YH5
:
Information booklet & user manual
(68 pages)
,
Instruction manual
(25 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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Table of Contents
Specifications
1
Table Of Contents
1
Service Manual
1
Technical Information
1
Room Air Conditioner
1
Safety During Repair Work
2
Working Standards For Preventing Breakage Of Semiconductors
3
Conductive Container
3
Body Earth
3
Grounding Of The Working Table
4
Grounding A Soldering Iron
4
Installation Of Indoor And Outdoor Unit
7
Safety Precautions
8
Precautions During Installation
8
Names And Functions Of Each Part
10
Product View
10
Model Name And Dimensions
10
Indoor Unit Indicators
11
Operation Indicator
11
Temporary Switch
11
Names And Functions Of Remote Control Unit
12
Automatic Operation
13
Auto Restart Control
13
Heating Operation
14
Dehumidifying Operation
15
Cooling Operation
16
Fan Operation
17
Fan Speed (Auto)
17
How To Set The Timer
18
How To Cancel Reservation
18
How To Set The Sleep Timer
20
Adjusting The Air Deflector
21
How To Exchange The Batteries In The Remote Controller
22
The Ideal Ways Of Operation
23
Suitable Room Temperature
23
The Air Conditioner And The Heat Source In The Room
24
Not Operating For A Long Time
24
When Lightning Occurs
24
Interference From Electrical Products
24
Attaching The Air Cleansing And Deodorizing Filters
25
Maintenance
26
Air Filter Cleaning
26
Washable Front Panel
27
Regular Inspection
28
Maintenance At Beginning Of Long Off Period
28
The Recommended Maximum And Minimum Operating Temperatures
29
Construction And Dimensional Diagram
30
Main Parts Component
32
Thermostat Specifications
32
Fan Motor Specifications
32
Compressor Motor Specifications
33
Wiring Diagram
34
Circuit Diagram
35
Printed Wiring Board Location Diagram
38
Block Diagram
39
Basic Mode
40
Mode Data File
41
Basic Cooling Operation
42
Cooling Defrost
43
Cooling Sleep Operation
43
Dehumidifying
44
Basic Heating Operation
45
Reversing Valve Defrosting
46
Heating Sleep Operation
46
Setting Defrosting Inhibit Period
46
Refrigerating Cycle Diagram
47
Auto Swing Function
48
Description Of Main Circuit Operation
49
Reset Circuit
49
Receiver Circuit
50
Buzzer Circuit
50
Buzzer Operation
50
Auto Sweep Motor Circuit
51
Auto Sweep Motor Rotation
51
Room Temperature Thermistor Circuit
52
Heat Exchanger Temperature Thermistor Circuit
52
Initial Setting Circuit
53
Power Circuit
54
Indoor/Outdoor Interface Circuit
56
Voltages Waveforms Of Indoor / Outdoor Microcomputers
58
Outdoor Message
60
Indoor Message
60
Power Module Circuit
61
Switching Order Of Power Module
62
Voltage Waveform At Each Point
62
Power Circuit For P.w.b.
64
Reversing Valve Control Circuit
66
Rotor Magnetic Pole Position Detection Circuit
67
Drive Circuit
68
Low Speed Rotation Mode
69
High Speed Rotation Mode
69
Hic And Peripheral Circuits
70
Overload External Judgement Circuit
72
Voltage Amp. Circuit
73
Temperature Detection Circuit
75
Outdoor Dc Fan Motor Control Circuit
77
Power Factor Control Circuit
79
Service Call Q And A
80
Precautions For Checking
83
Trouble Shooting
83
Discharge Procedure And Power Shut Off Method For Power Circuit
84
Checking Indoor/Outdoor Unit Electrical Parts And Refrigerating Cycle
85
Troubleshooting When Timer Lamp Blinks
86
Self-Diagnosis Lighting Mode
87
Checking Indoor Unit Electrical Parts
88
Power Does Not Come On (No Operation)
88
Outdoor Unit Does Not Operate (But Receives Remote Infrared Signal)
89
Only Indoor Fan Does Not Operate (Other Is Normal)
90
Air Deflector Does Not Move (Others Are Normal)
90
All Systems Stop For Several Sec/Min After Operation Is Started
90
Check The Main P.w.b (Power Circuit)
91
Checking The Remote Controller
92
Checking The Outdoor Unit Electrical Parts
93
Power Circuit Troubles
98
Rotation Speed Does Not Increase
98
Checking The Refrigerating Cycle
99
Checking System Power Module Using Tester
100
How To Operate Using The Service Switch The Outdoor Unit
101
How To Operate The Outdoor Unit Independently
101
System Power Module Diagnosis
102
Parts List And Diagram
103
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Table of Contents
Troubleshooting
Precautions for checking
83
Troubleshooting when timer lamp blinks
86
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