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RAM-130QH5
Hitachi RAM-130QH5 Manuals
Manuals and User Guides for Hitachi RAM-130QH5. We have
3
Hitachi RAM-130QH5 manuals available for free PDF download: Service Manual, Information Booklet & User Manual, Installation Manual
Hitachi RAM-130QH5 Service Manual (85 pages)
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 17 MB
Table of Contents
Table of Contents
1
Specifications
1
Room Air Conditioner
1
Technical Information
1
Service Manual
1
Safety During Repair Work
2
Working Standards for Preventing Breakage of Semiconductors
3
Items to be Observed in Handling
3
Grounding of the Working Table
4
Grounding a Soldering Iron
4
Caution
5
Specifications
6
Specifications for Indoor Units Combination
7
Cool / Heat Capacity Spec. for Indoor Units
8
Indoor Units Combinations to be Able to Install
9
Connecting Posision to be Able to Install
10
Pipe Length
11
Installation
11
Flare Adaptor for Piping
12
Connecting the Pipe
12
Dimension of Mounting Stand of the Outdoor Unit
12
Condensed Water Disposal of Outdoor Unit
13
When Using and Installing in Cold Areas
13
Connection of the Connecting Cords and Power Cord. (Outdoor Unit)
14
Connection of the Power Cord and Connecting Cord
14
Service Space
15
Construction and Dimensional Diagram
15
Fan Motor
16
Fan Motor Specifications
16
Main Parts Component
16
Compressor Motor Specifications
17
Compressor
17
Capacity Diagram (Related to the Ambient Temperature)
18
Cooling Capacity
18
Heating Capacity
19
Capacity Diagram (Related to the Piping Length)
20
Sound Pressure Level
21
Wiring Diagram
23
Remote Control
24
Circuit Diagram
24
Block Diagram
27
Basic Mode
28
Fan Speed by Mode
29
Room Temperature Shift Value
29
Basic Cooling Operation
33
Cooling Defrost
34
Cooling Sleep Operation
34
Dehumidifying
35
Dehumidifying Sleep Operation
35
Heating Basic Operation
36
Heating Sleep Operation
37
Expansion Valves
38
Compressor Rotation Speed
38
Defrost
39
Defrost Start Condition
39
Defrost Release Condition
39
Outputs During Defrost
39
Auto-Fresh Defrost
40
Start Conditions for Auto-Fresh
40
Release Condition of Auto-Fresh
40
Outputs During Auto-Fresh
40
Operation Status
41
Forced Cooling
41
Execution Condition
41
Processing at Overheat Thermistor (Oh) High Temperature
42
Restriction Start Conditions
42
Restriction Release Condition (in Common for All)
42
When Three Units Are Operated for Heating
42
Cooling, Dehumidifying, Defrosting
43
Lower Side Refrigerant Cycle
43
Refrigerating Cycle Diagram
43
Heating
44
Power Circuit
45
System Power Module
45
Active Module
45
Description of Main Circuit Operation
45
Smoothing Capacitor
46
Indoor/Outdoor Interface Circuit
47
Indoor / Outdoor Interface Circuit
48
Voltages Waveforms of Indoor
49
Outdoor Micro Computers
49
System Power Module Circuit
50
Switching Order of Power Module
51
Voltage Waveform at each Point
51
System Power Module Circuit (U + Is OFF, V – Is ON)
52
Power Supply Circuit
53
Power Circuit for P.W.B
53
Shifting from off to on
53
During on
54
During off
54
Shifting from on to off
54
Reversing Valve Control Circuit
55
Rotor Magnetic Pole Position Detection Circuit
56
Peripheral Circuit of Microcomputer
57
Overload Control Circuit
58
Overload Control System Configuration
58
Reset Circuit
59
Temperature Detection Circuit
60
Name and Role of each Thermistor
61
LED Lighting Mode at the Thermistors Troubled
62
Electric Expansion Valve
63
Power Factor Control Circuit
64
Inspecting Outdoor Electrical Parts
65
Inspection Method 1
66
Check the Light Status of LD304
71
How to Operate Using the Service Switch the Outdoor Unit
72
How to Operate the Outdoor Unit Independently
72
Precautions for Checking
73
Trouble Shooting
73
Discharge Procedure and How to Cut off Power to Power Circuit
74
Lighting Mode Self-Diagnosis Lamp
75
Location of Self-Diagnosis Lamp
75
Troubleshooting of the System Power Module
77
How to Check Power Module
78
Checking Power Module Using Tester
78
Checking the Refrigerating Cycle
79
Disassembly and Reassembly
80
Electric Parts
80
Front Cover
80
Condenser
81
Reversing Valve
81
Electric Expansion Valve & Pipe Thermistor Position Charts
81
Parts List and Diagram
82
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Hitachi RAM-130QH5 Information Booklet & User Manual (68 pages)
Monozone/Multizone, Summit, Monoduct, Bigflow, Air Exchanger, Room Air Conditioner
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 8 MB
Table of Contents
Indoor Units
7
Features and Benefits
8
High Performance
9
Outdoor Units
24
Air Exchanger
62
Hitachi RAM-130QH5 Installation Manual (2 pages)
Split Unit Air Conditioner, Outdoor Unit
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 0 MB
Table of Contents
Safety Precaution
1
1. Proper Place for Installation
1
1.1 Outdoor Unit
1
3. Installation Procedure and Notice
1
3.1 Wiring
1
3.2 Connection of the Connecting Cords and Power Cord
1
3.3 Checking for the Electric Source and the Voltage Range
1
The Choice of Mounting Site
1
4. Preparation of Pipe
2
5. Pipe Connection
2
5.1 Pipe Connection
2
6. Removal of Air from the Pipe and Gas Leakage Inspection
2
6.1 Air Purging by Using Vacuum Pump
2
7. Operation Test
2
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