AR30KSFTAWQNSA User Manual

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English-44

Evacuating the indoor unit

• TheremainingairintheRefrigerationcycle,whichcontainsmoisture,

may cause malfunction on the compressor.

• Alwayscontacttheservicecenteroraprofessionalinstallationagency

for product installation.

• 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 length of the pipe can be:

 •Extendedupto:seetablepage35

 •Shortenupto:seepage35

If you need a pipe longer than 5 meters:

• Youmustaddrefrigeranttothepipes;otherwise,theindoorunitmayfreeze.

Cutting or extending the pipe

1. Unscrew the caps at the end of each pipe.



 Allinertgasexhaustsfromtheindoorunit.

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

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

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

1. Make sure that you have all the required tools (pipe cutter, reamer, aring 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).

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

Oblique Rough Burr

Pipe

cutter

Pipe

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

Unscrew the capsPipes

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User Manual - Page 44