Evacuating the indoor unit

The indoor unit is supplied with inert gas (nitrogen).

Before installing the unit, check if nitrogen gas flow out of indoor unit.

If this one isn’t true, DO NOT INSTALL THE UNIT since leakage could be inside the indoor unit.

1.Unscrew the caps at the end of each pipe. ffAll inert gas exhausts from the indoor unit.

NOTE

CAUTION

•To prevent dirt or foreign substances from getting into the pipes during installation, do NOT remove the caps completely

until you are ready to connect the pipes.

•

The remaining air in the Refrigeration cycle, which contains

 

 

 

moisture, may cause malfunction on the compressor.

Pipes

Unscrew the

•

Always contact the service center or a professional

 

installation agency for product installation.

 

caps

 

 

 

Cutting or extending the pipe

The length of the pipe can be:

ffExtended up to : see table page 34

ffShorten up to: see page 34

•If you need a pipe longer than 3 meters:

CAUTION -- You must add refrigerant to the pipes; otherwise, the indoor unit may freeze.

1.Make sure that you have all the required tools (pipe cutter, reamer, flaring tool and pipe holder).

2.If you want to shorten the pipe, cut it using a pipe cutter, ensuring that the cut edge remains at 90° with the side of the pipe (see below examples of correct and incorrect cut edges).

Pipe cutter

Pipe

Oblique Rough Burr

3. To prevent a gas leak, remove all burrs at the cut edge of the pipe using a reamer.

CAUTION

• Face the pipe down while removing the burrs to make sure that burrs do not get in to the pipe.

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2015-06-12 오후 1:25:13

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Samsung AR18JQFRAWQ/TV, AR09JQFRAWQ/TV manual Evacuating the indoor unit, Cutting or extending the pipe, ENGLISH-44
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