Safety Precautions - Samsung DVM S 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 4.1MPa(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.
When installation is done by unqualified person, problems such as water leakage, electric shock or fire may occur.
Installation work must be done properly according to this installation manual.
When installation is not done properly, it may cause water leakage, electric shock or fire.
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.
When refrigerant leaks and exceed dangerous concentration level, it may cause suffocation accidents.
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.
Do not use the pipe and the installation product used for the R-22 refrigerant.
Failure to use the specified components can cause product fall down, water leakage, electrical shock, and fire. (The pipe
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.
If the place cannot support its weight, the outdoor unit may fall down and it may cause injury.
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