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12. CHECK AFTER INSTALLATION AND TEST RUN
12.1 Check After Installation
Check the items listed in below table after installation of air conditioner.
12.2 Test Operation
12.2.1 Before Test Operation
• Do not switch on power before installation is finished completely
• Electric wiring must be connected correctly and securely.
• Cut-off valves of the connection pipes should be opened.
• All the impurities such as scraps and thrums must be cleared from the unit.
12.2.2 Test Operation Method
• Switch on power, press "ON / OFF" button on the wireless remote controller to start the
operation.
• Press MODE button, to select the “COOL”, “FAN” mode to check whether the operation is
normal or not.
Items to be checked Possible malfunction
• Has it been fixed firmly? • The unit may drop, shake or emit noise.
• Have you done the refrigerant leakage
test?
• It may cause insufficient of cooling
capacity.
• Is heat insulation sufficient?
• It may cause condensation and dripping• Is water drainage well?
• It may cause condensation and dripping.
• Is the voltage in accordance with the rated
voltage marked on the nameplate?
• It may cause electric malfunction or
damage the part.
• Is the electric wiring and piping connection
installed correctly and securely?
• It may cause electric malfunction or
damage the part
• Has the unit been connected to a secure
earth connection?
• It may cause electrical leakage.
• Is the power cord specified? • It may cause electric malfunction or
damage the part
• Is the inlet and outlet been covered? • It may cause of insufficient cooling
capacity.
• Has the length of connection pipes and
refrigerant capacity been recorded?
• The refrigerant capacity is not accurate.
Installation Service