Check and Test Operation 
Test Operation
After checking, read the owner’s instructions carefully, and perform a test operation. Then deliver the unit to the customer.
(When delivering the unit, be sure to read carefully and follow the contents of the owner’s instructions.)
Check if the indoor/outdoor unit’s connection wires are properly connected.
1.Turn on the air conditioner and select Cool mode. (Test is only available in cooling operation.)
-Check if the cool air comes out from the indoor unit.
-Check if the fan of outdoor unit rotates.
2.If the units don’t work as above, check if the indoor/outdoor unit’s connection wires are properly connected.
The connection wires should be properly connected to the correct terminal number.
1. Be sure to check whether the service valve is open before attempting to perform the test operation.
2. Be sure to perform the test operation after installation.
It is easy to start the test operation in winter if you increase the sensor temperature to 23°C ~ 25°C by holding the indoor temperature sensor. (Cooling operation)
※ When the outdoor temperature is below zero, do not test operation for more than 3 minutes. Otherwise, the compressor will be damaged.
Temperature sensor
Pump Down Procedure (When removing the product)
1.Turn on the air conditioner and select Cool mode to run the compressor for 3 minutes.
2.Release the valve caps on High and Low pressure side.
3.Use L wrench to close the valve on the high pressure side.
4.Approximately 2 minutes after, close the valve on the low pressure side.
5.Stop operation of the air conditioner.
6.Disconnect the pipes.