Evacuating the connected pipes, English-48

Samsung AR18JQFNEWKNMG manual Evacuating the connected pipes, English-48, Drain hole Drain plug

Installing and connecting the drain hose of the outdoor unit

While heating, ice may accumulate. During the process of defrosting, check if condensation draining is adequate. For adequate draining, do the following.

1. Insert the drain plug into the drain hole on the underside of the outdoor unit.

• To avoid drain plug from contacting the ground, secure gap between the		Drain plug
ground and the bottom surface of the outdoor unit.	Drain hole	Drain plug
ground and the bottom surface of the outdoor unit.

	Bottom surface of outdoor unit

2. Connect a drain hose to the drain plug.

Drain hole
Drain plug	Drain hose

3. Ensure that condensation draining is adequate.

• In areas with heavy snow fall, piled snow could block the air intake.

To avoid this incident, install a frame that is higher than estimated snow fall. In addition, install a snow-proof hood to avoid snow from piling on the outdoor unit.

Snow-proof hood

Estimated

snow fall Frame

Ground

Evacuating the connected pipes

The outdoor unit is loaded with sufficient R-410A refrigerant. Do not vent R-410A into atmosphere: it is a fluorinated greenhouse gas, covered by Kyoto Protocol, with a Global Warming Potential (GWP) = 2088.

You should evacuate the air in the indoor unit and in the pipe. If air remains in the refrigerant pipes, it affects the compressor. It may cause reduction of cooling capacity and malfunction.

• When installing, make sure there is no leakage. When recovering the refrigerant, ground the compressor first before removing the connection pipe. If the refrigerant pipe is not properly connected and the compressor works with the service valve open, the pipe inhales the air and it makes the pressure inside of the refrigerant cycle abnormally high. It may cause explosion and injury.

English-48

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