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RAK35NH4
Hitachi RAK35NH4 Manuals
Manuals and User Guides for Hitachi RAK35NH4. We have
3
Hitachi RAK35NH4 manuals available for free PDF download: Service Manual, Instruction Manual, Installation Manual
Hitachi RAK35NH4 Service Manual (116 pages)
ROOM AIR CONDITIONER
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 5.74 MB
Table of Contents
Table of Contents
1
Specifications
1
Service Manual
1
Technical Information
1
Room Air Conditioner
1
Safety During Repair Work
2
Working Standards
3
Scope
3
Object Parts
3
Items to be Observed in Handling
3
Grounding of the Working Table
4
Grounding a Soldering Iron
4
Specifications
6
Direction of Piping
7
Installation of Indoor and Outdoor Unit
7
The Length of Indoor Unit Power Cord
7
Safety Precaution
8
Precautions During Installation
8
Precautions During Shifting or Maintenance
8
Precautions During Operation
8
Names and Functions of each Part
10
Indoor Unit
10
Temporary Switch
11
Indoor Unit Indicators
11
Operation Indicator
11
Names and Functions of Remote Control Unit
12
Various Functions
13
Automatic Operation
13
Auto Restart Control
13
Condition of Automatic Operation
13
Heating Operation
14
Dehumidifying Function
15
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
Explanation of the Sleep Timer
21
Operation with the Sleep Timer
21
Adjusting the Air Deflector
22
Changing the Batteries in the Remote Controller
23
The Ideal Ways of Operation
24
For User's Information
25
The Air Conditioner and the Heat Source in the Room
25
Not Operating for a Long Time
25
When Lightning Occurs
25
Attaching the Air Cleansing and Deodorizing Filters
26
Maintenance
27
Air Filter
27
Washable Front Panel
28
Removing the Front Panel
28
Attaching the Front Panel
28
Regular Inspection
29
Maintenance at Beginning of Long off Period
29
Construction and Dimensional Diagram
31
Construction and Dimensional Diagram for Outdoor
32
Thermostat Specifications
33
Fan Motor Specifications
33
Main Parts Component
33
Compressor Motor Specifications
34
Wiring Diagram Indoor Unit
35
Outdoor Unit
35
Remote Control
36
Circuit Diagram
36
Printed Wiring Board Location Diagram
39
Block Diagram
41
Basic Mode
42
Mode Data File
43
Basic Cooling Operation
44
New Cool Rhythm
45
Cooling Sleep Operation
45
Cooling Defrost
45
Dehumidifying
46
Basic Heating Operation
47
Reversing Valve Defrosting
48
Heating Sleep Operation
48
Setting Defrosting Inhibit Period
48
Refrigerating Cycle Diagram
49
Auto Swing Function
51
Reset Circuit
52
Description of Main Circuit Operation
52
Receiver Circuit
53
Buzzer Circuit
53
Auto Sweep Motor Circuit
54
Room Temperature Thermistor Circuit
55
Heat Exchanger Temperature Thermistor Circuit
55
Initial Setting Circuit (IC401)
56
Power Circuit
57
Indoor/Outdoor Interface Circuit
59
Interface Circuit
60
Voltages Waveforms of Indoor / Outdoor Microcomputers
61
Outdoor Microcomputer to Indoor Microcomputer
62
Outdoor Message
63
Power Module Circuit
64
Voltage Waveform at each Point
65
Switching Order of Power Module
65
Power Circuit for P.W.B.
67
Reversing Valve Control Circuit
69
Rotor Magnetic Pole Position Detection Circuit
70
Drive Circuit
71
Low Speed Rotation Mode
72
High Speed Rotation Mode
72
HIC and Peripheral Circuits
73
Microcomputer and Peripheral Circuits
73
Overload Control Circuit
75
Overload External Judgement Circuit
75
Overload Control System Configuration
75
Voltage Amp. Circuit
76
Temperature Detection Circuit
78
Outdoor DC Fan Motor Control Circuit
80
Power Factor Control Circuit
82
Service Call Q & a
83
Precautions for Checking
86
Trouble Shooting
86
Discharge Procedure and Power Shut off Method for Power Circuit
87
Checking the Electrical Parts and Refrigerating Cycle
88
Troubleshooting When Timer Lamp Blinks
89
Self-Diagnosis Lighting Mode
89
Wiring Diagram
90
Checking Indoor Unit Electrical Parts
91
Checking the Remote Controller
95
Checking the Outdoor Unit Electrical Parts
96
Checking the Refrigerating Cycle
102
How to Check System Power Module
103
How to Operate Using the Service Switch the Outdoor Unit
104
How to Operate the Outdoor Unit Independently
104
System Power Module Diagnosis
105
Parts List and Diagram
106
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Hitachi RAK35NH4 Instruction Manual (26 pages)
Indoor/Outdoor Unit
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 0.51 MB
Table of Contents
Safety Precaution
2
Names and Functions of each Part
4
Names and Functions of Remote Control Unit
6
Auto Restart Control
7
Automatic Operation
7
Various Functions
7
Heating Operation
8
Dehumidifying Operation
9
Cooling Operation
10
Fan Operation
11
How to Set the Timer
12
How to Set the Sleep Timer
14
Adjusting the Air Deflector
16
How to Exchange the Batteries in the Remote Controller
17
Attaching the Air Cleansing and Deodorizing Filters
20
Maintenance
21
Regular Inspection
23
Hitachi RAK35NH4 Installation Manual (2 pages)
Indoor Unit Split Unit Air Conditioner
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 0.3 MB
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