Safety Precautions - Samsung RD040MHXCA Series Installation Manual

Safety Precautions

 You must install the product by qualified installer. If you install the product on your own or by unqualified
person, Samsung is not responsible for any damages which may occur due to incorrect installation.
 Make sure to read the following safety precautions carefully before installation.
 Make sure to observe the cautions specified in this manual.
 Conduct a test run of the unit after installation and then explain all system functions to the owner.
 Follow IEC (International Electrotechnical Commission) standards for the power input and
ISO (International Standards Organization) standards for input current.
 R410a refrigerant is used for Super FJM air conditioner.
- When using R410a, moisture or foreign substances may affect to the capacity and reliability of
the product. Safety precautions must be taken when installing the refrigerant pipe.
- The design pressure of the unit is 4.1MPa(594.6psi). Select appropriate material and thickness
according to the regulations.
- R410a is a quasi-azeotrope of two refrigerants.
Make sure to charge liquid one when adding refrigerant.
If you charge gaseous refrigerant, it may affect the capacity and reliability of the product as
a result of change formation of the refrigerant.
 Connect only the indoor units fit on R410a refrigerant. Check whether the indoor units can be
connected with the product's catalogue.
(When incorrect indoor units are connected, they cannot operate normally.)
 When installing, use tools and materials for R410a only. If you use tools and materials for R22,
there is potential risk of bursting, injury, electric shock and fire because the pressure of R410a is
higher than the pressure of R22(conventional).
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2010-2-24 19:56:20