Hitachi RAC50NH4 Manuals

Manuals and User Guides for Hitachi RAC50NH4. We have 3 Hitachi RAC50NH4 manuals available for free PDF download: Service Manual, Instruction Manual

Hitachi RAC50NH4 Service Manual

Hitachi RAC50NH4 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
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
Service Call Q & a
83
Precautions for Checking
86
Trouble Shooting
86
Parts List and Diagram
106

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Hitachi RAC50NH4 Service Manual

Hitachi RAC50NH4 Service Manual (110 pages)

ROOM AIR CONDITIONER

Brand: Hitachi | Category: Air Conditioner | Size: 19.79 MB

Table of Contents

Table of Contents
1
Service Manual
1
Technical Information
1
Room Air Conditioner
1
Specifications
6
Construction and Dimensional Diagram
27
Main Parts Component
29
Wiring Diagram
31
Circuit Diagram
32
Printed Wiring Board Location Diagram
35
Refrigerating Cycle Diagram
45
Description of Main Circuit Operation
48
Service Call Q & a
79
Trouble Shooting
82
How to Operate the Outdoor Unit Independently
100
Parts List and Diagram
102

Hitachi RAC50NH4 Instruction Manual

Hitachi RAC50NH4 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

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