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◆Test Operation and Check after Installation
Test Operation
1. Before Test Operation
(1) Do not switch on power before installation is finished
completely.
(2) Electric wiring must be connected correctly and securely
(3) Cut-off valves of the connection pipes should be opened.
(4) All the impurities such as scraps must be cleared from the
unit.
2. Test Operation Method
(1) Switch on power and press “ON/OFF” button on the remote control to run the air
conditioner.
(2) Press “MODE” button and check the operation condition of COOL, HEAT, SWING mode
and so on.
If Wireless remote control is lost, open the surface panel and operate as following:
a. When turning it to Auto position, unit will run in Auto mode, if there is remote control signal, it will run
at the remote control signal.
b. When turning it to Test position, the main unit will enter into Cool mode, indoor fan will run at high fan
speed, if there is remote control signal, main unit will run at the remote control signal.
c. When turning it to Run position, the main unit will run at received remote control order.
d. When turning it to Stop position, the unit will stop running.
Check after Installation
Items to be checked Possible Malfunction
Has it been properly mounted? The unit may drop, shake or emit noise.
Have you done the refrigerant leakage test? It may cause insufficient cooling (heating) capacity.
Does the unit drain 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 unit.
Has the unit been connected to secure grounding
connection?
It may cause electrical leakage.
Has the inlet and outlet been insulated? It may cause insufficient cooling (heating) capacity.
Has the length of connection pipes and refrigerant
capacity been recorded?
The refrigerant capacity is not accurate.