76
V 09/22
CHECK AFTER INSTALLATION
★ Electrical Safety Check
1. If the supply voltage is as required.
2. If there is any faulty or miss connection in each of the power, signal and grounding wires.
3. If the grounding wire of the air conditioner is securely grounded.
★ Installation Safety Check
1. If the installation is secure.
2. If the water drain is smooth.
3. If the wiring and piping are correctly installed.
4. Check that no foreign matter or tools are left inside the unit.
5. Check the refrigerant pipeline is protected well.
★ Leak test of the refrigerant
Depending on the installation method, the following methods may be used to check for suspect leak, on areas such as
the four connections of the outdoor unit and the cores of the cut-off valves and t-valves:
1. Bubble method: Apply of spray a uniform layer of soap water over the suspected leak spot and observe carefully for
bubble.
2. Instrument method: Checking for leak by pointing the probe of the leak detector according to the instruction to the
suspect points of leak.
Note: Make sure that the ventilation is good before checking.
TEST OPERATION
Test Operation preparation:
• Verify that all piping and connection cables are well connected.
• Confirm that the values at the gas side the liquid-side are fully open.
• onnect the power cable to an independent power socket.
• Install batteries in remote control.
Note: Make sure that the ventilation is good before testing.
Test Operation method:
1. Turn on the power and push the ON/OFF switch button of the remote controller to start the air conditioner.
2. Select COOL, HEAT (not available on cool-only models), SWING and other operation modes with the remote
controller and see if the operation is ok.
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