Safety Precautions - Samsung AM MXVAFC Series Installation Manual

Safety precautions

Please follow the following safety information for safety of the installer and the user .
❋ ❋ DVM S air conditioner uses R-410A refrigerant .
• When using R-410A, moisture or foreign substances may affect the performance and reliability of the product .
Safety precautions must be obeyed when installing the refrigerant pipe .
• The designed maximum pressure of the system is 4 . 1 MPa(594 . 6 psi) and therefore select appropriate material and
thickness according to the regulations .
• R-410A is a quasi-azeotrope of two refrigerants and it has to be charged in liquid phase when filling the refrigerant .
(If you charge vapor refrigerant, it may change the blend of the refrigerant and cause product malfunction . )
❋ ❋ You must connect the indoor units for R-410A refrigerant . Refer to product catalog to find out the models names
for connectable indoor units . (If you connect the indoor units that are not designed for R-410A, it cannot operated
normally . )
❋ ❋ After completing the installation and trial operation, explain to the user how to use and maintain the product . Also, hand
over this installation manual so that it can be stored by the user .
❋ ❋ Manufacturer is not responsible for the incidents occurred by improper installation . Installer is responsible for any
installation related claims from the user occurred by neglecting warnings and cautions stated in this manual . (Installer
will be responsible for any service charges that may occur)
❋ ❋ Generally, system air conditioners should not be relocated after installation . But when it has to be relocated for inevitable
reasons, please contact Samsung's qualified dealers for system air conditioners .
• Hazards or unsafe practices that may result in severe personal injury or death .
WARNING
• Hazards or unsafe practices that may result in minor personal injury (to installer/user) or
CAUTION
property damage .
SEVERE WARNING SIGNS
Consult qualified installer or dealer for installation.
f When installation is done by unqualified person, problems such as water leakage, electric shock or fire may occur .
f
Installation work must be done properly according to this installation manual.
f When installation is not done properly, it may cause water leakage, electric shock or fire . f
When installing the unit in a small room, take measure to keep the refrigerant concentration from exceeding allowable
safety limits in case of refrigerant leakage. Consult the dealer for precautionary measure before the installation.
f When refrigerant leaks and exceed dangerous concentration level, it may cause suffocation accidents . f
If any gas or impurities, except R-410A refrigerant, come into the refrigerant pipe, serious problem may occur and it
may cause injury.
Use the supplied accessories, specified components and tools for the installation.
f Do not use the pipe and the installation product used for the R-22 refrigerant . f
f Failure to use the specified components can cause product fall down, water leakage, electrical shock, and fire . (The pipe f
and flare components used for R-22 refrigerant must not be used)
Install the outdoor unit on a hard and even place that can support its weight.
f If the place cannot support its weight, the outdoor unit may fall down and it may cause injury . f
Wear protective equipment (such as safety gloves, goggles, and headgear) during installation and maintenance works.
Installation/repair technicians may be injured if protective equipment is not properly equipped.
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