Hitachi RAK-18NH5 User Manual

  

 





 
 
 
    
     !
  
     !"  #   
       #   
   $
  
 
 #
 ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 
 
 ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 

   ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 

 ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 

    ‥‥‥‥‥‥‥ 
  
   ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 
 
  ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 
 
       ‥‥‥‥‥‥ 
    
  ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ !
  
  ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ !
  
 "  ‥‥‥‥‥‥‥‥‥‥‥‥ !
  "  
   ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 
 " 
     ‥‥‥‥‥‥‥ 
     
#  $ ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 
   
  ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 
  
    ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 
      

  
  
  %  
!  &'()*& +,- . &/- +01'&+23 2)
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34
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" "
 5
 
66
     78
    78
" 
798
74446:8
     78
    78
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798
74446:8
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  7<<8 ; 
; 
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>; #; ?
     4
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



1





Hitachi RAK-18NH5 Specifications

General

Brand	Hitachi
Model	RAK-18NH5
Category	Air Conditioner
Language	English

Summary

Semiconductor Handling Standards

Handling Precautions for Semiconductors

Guidelines for handling and storing sensitive semiconductor components using proper containers and grounding.

Specifications

Model Specifications

Detailed technical specifications for various models of the air conditioner.

Refrigerant Recharging Procedure

Recharging Process and Safety

Detailed steps for safely recharging refrigerant, including necessary equipment and precautions.

Remote Controller Functions

Remote Controller Overview and Modes

Description of the remote controller layout and identification of buttons and functions.

Maintenance

Air Filter and Panel Maintenance

Safety Precautions

Operation, Installation, and Shifting Safety

Critical safety warnings for operating, installing, and moving the unit.

Troubleshooting

Common Operational Issues and Causes

System Power Module Troubleshooting

Power Module Circuit and Components

Timer Lamp Blinking Troubleshooting

Timer Lamp Blinking Codes and Causes

Indoor Unit Electrical Parts Checking

Power Not Supplied Troubleshooting

Fan and System Stop Troubleshooting