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Check after installation and test operation
Check after installation
Electrical safety check
1. lf the supply voltage is as required.
2. lf there is any faulty or missing connection in each of the power, signal and
grounding wires.
3. lf the grounding wire of the air conditioner is securely grounded.
Installation safety check
Check:
1. If all the elements of the installation are correctly fixed.
2. If the condensate pipe drains correctly.
3. Whether the installation of power line and pipes is correct.
4. Confirm there are no foreign objects or abandoned tools inside the units.
Leak test of the refrigerant
According to the points likely to leak during the installation of the air conditioner,
for example the 4 interfaces connected by the indoor and outdoor machine and
the spool of the shut-off valve and the three-way valve, you can use the following
method to perform the inspection :
1. Foam method: Paint or spray soapy water or foam on suspected leak points,
watching carefully for bubbles.
2. Leak detection device method: According to the leak detection device
specification requirements, insert the probes into suspected leak points, and
carefully inspect.
Test operation
Test operation preparation:
* Verify that all piping and connection cables are well connected.
* Confirm that the valve at the gas side the liquid-side are fully open.
* Connect the power cable to an independent power socket.
* lnstall 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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