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TEST OPERATION
Check after Installation
Electrical Safety Check
1. If the supply voltage is as required.
2. If there is any faulty or misconnection 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.
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 or spray a uniform layer of soap water over the
suspected leak spot and observe carefully for bubbles.
2. Instrument method: Checking for leak by pointing the probe of the
leak detector according to the instruction to the suspect points of
leak.
Test Operation
Test Operation preparation
• Verify that all piping and connection cables are well connected.
• Confirm that the valves at the gas side and the liquid-side are
fully open.
• Connect the power cord to an independent power socket.
• Install batteries in remote control.
Test Operation method
1. Turn on the power and push the ON/OFF switch button of the remote
control to start the air conditioner.
2. Select COOL, HEAT(not available on cool-only models), SWING
and other operation modes with the remote control and see if the
operation is ok.
WARNING
1. Open front panel of the indoor.
2. The connector can not touch the terminal
board, and is positioned as shown.
Page 44
Connector
Cable 1
Cable 2
Terminal board
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