AB-7258 
2 
Safety Instructions 
Please read instructions carefully and use the product as specified in this manual. Be sure to keep this manual nearby for quick 
reference.  
Restrictions on Use 
This product was developed, designed, and manufactured for general air conditioning use. 
Do not use the product in a situation where human life may be at risk or for nuclear applications in radiation 
controlled areas. If you wish to use the product in a radiation controlled area, please contact Azbil Corporation. 
Particularly when the product is used in the following applications where safety is required, implementation of 
fail-safe design, redundant design, regular maintenance, etc., should be considered in order to use the product 
safely and reliably.  
• Safety devices for protecting the human body  
• Start/stop control devices for transportation  
machines 
• Aeronautical/aerospace machines  
For system design, application design, instructions for use, or product applications, please contact Azbil 
Corporation. 
Azbil Corporation bears no responsibility for any result, or lack of result, deriving from the customer's use of the 
product. 
 
  Recommended Design Life 
It is recommended that this product be used within the recommended design life. 
The recommended design life is the period during which you can use the product safely and reliably based on the 
design specifications.  
If the product is used beyond this period, its failure ratio may increase due to time-related deterioration of parts, 
etc.  
The recommended design life during which the product can operate reliably with the lowest failure ratio and least 
deterioration over time is estimated scientifically based on acceleration tests, endurance tests, etc., taking into 
consideration the operating environment, conditions, and frequency of use as basic parameters.  
 
The recommended design life of this product is 11 years. 
 
Warnings and Cautions 
 WARNING 
Alerts users that improper handling may cause death or serious injury. 
 CAUTION 
Alerts users that improper handling may cause minor injury or material loss. 
 
Signs 
 
Alerts users possible hazardous conditions caused by erroneous operation or erroneous use. The symbol inside  
graphically indicates the specific type of danger.  
(For example, the sign on the left warns of the risk of electric shock.) 
 
Notifies  users  that  specific  actions  are  prohibited  to  prevent  possible  danger.  The  symbol  inside    graphically 
indicates the prohibited action.  
(For example, the sign on the left notifies that disassembly is prohibited.)  
 
Instructs users to carry out a specific obligatory action to prevent possible danger. The symbol inside  graphically 
indicates the actual action to be carried out.  
(For example, the sign on the left indicates general instructions.)