Hitachi RAC-25CNH11 Manuals

Manuals and User Guides for Hitachi RAC-25CNH11. We have 1 Hitachi RAC-25CNH11 manual available for free PDF download: Service Manual

Hitachi RAC-25CNH11 Service Manual

Hitachi RAC-25CNH11 Service Manual (108 pages)

ROOM AIR CONDITIONER INDOOR UNIT + OUTDOOR UNIT

Brand: Hitachi | Category: Air Conditioner | Size: 2.41 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
Object Parts
3
Items to be Observed in Handling
3
Conductive Container
3
Grounding of the Working Table
4
Grounding a Soldering Iron
4
Caution
5
Specifications
6
Safety Precaution
8
- Names and Functions of each Part
  10
- Indoor Unit
  10
- Outdoor Unit
  10
- Operation Indicator
  11
- Indoor Unit Indicators
  11
- Names and Functions of Remote Control Unit
  12
- Remote Controller
  12
- Precautions for Use
  12
- Condition of Automatic Operation
  13
- Automatic Operation
  13
- Heating Operation
  14
- Dehumidifying Operation
  15
- Dehumidifying Function
  15
- Cooling Operation
  16
- Fan Operation
  17
- Fan Speed (Auto)
  17
- How to Set the Timer
  18
- How to Cancel Reservation
  18
- Time, Day, Month
  18
- OFF-Timer
  18
- How to Set the Sleep Timer
  20
- Operation with the Sleep Timer
  21
- Explanation of the Sleep Timer
  21
- Adjusting the Air Deflector
  22
- Adjustment of the Conditioned Air to the Left and Right
  22
- How to Exchange the Batteries in the Remote Controller
  23
- Temporary Switch
  23
- The Ideal Ways of Operation
  24
- Suitable Room Temperature
  24
- Install Curtain or Blinds
  24
- Ventilation
  24
- When Lightning Occurs
  25
- For User’s Information
  25
- Not Operating for a Long Time
  25
- The Air Conditioner and the Heat Source in the Room
  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
- Maintenance at Beginning of Long off Period
  29
- Regular Inspection
  29
- When Asking for Service, Check the Following Points
  30
- Notes
  30
Construction and Dimensional Diagram
31
- Thermostat
  32
- Thermostat Specifications
  32
- Fan Motor Specifications
  32
Main Parts Component
32
- Compressor Motor Specifications
  33
- Compressor Motor
  33
Wiring Diagram
34
Circuit Diagram
35
Block Diagram
37
Room Temp. Shift Value
38
Basic Mode
38
- Basic Cooling Operation
  40
- Dehumidifying
  41
- Cooling Defrost
  41
- Cool Rhythm
  42
- Twmax
  43
- Speed Specification During Fixed Rotation Period
  43
- Basic Heating Operation
  43
- Reversing Valve Defrost
  44
Auto Swing Function
45
Reset Circuit
46
Description of Main Circuit Operation
46
Refrigerating Cycle Diagram
77
Service Call Q & a
78
- Auto Operation
  80
- Wireless Remote Controller
  81
- Common/Others
  81
- Precautions for Checking
  82
Trouble Shooting
82
Parts List and Diagram
104

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