Samsung AC035FE1DKF handleiding

Airco

Samsung

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Handleiding

English

Installation Procedure

Outer Diameter (mm) Torque (N•m)

Ø6.35 14 to 18

Ø9.52 34 to 42

Ø12.70 49 to 61

Ø15.88 68 to 82

Ø19.05 100 to 120

(1 N•m=10 kgf•cm)

NOTE

• If the pipes must be shortened, see Step 6 Cutting and

flaring the pipes on page 17.

2 Be sure to use an insulator thick enough to cover the

refrigerant tube to protect the condensate water on the

outside of the pipe falling onto the floor and to improve

the efficiency of the unit.

3 Cut off any excess foam insulation.

4 Make sure that there are no cracks or waves on the bent

area.

5 It would be necessary to double the insulation thickness

(10 mm or more) to prevent condensation even on the

insulator when if the installed area is warm and humid.

6 Do not use joints or extensions for the pipes connecting

the indoor and outdoor units. The only permitted

connections are those for which the units are designed.

CAUTION

• Connect the indoor and outdoor units using pipes

with flared connections (not supplied). For the

lines, use insulated, unwelded, degreased and

deoxidized copper pipe (Cu DHP type to ISO 1337 or

UNI EN 12735-1), suitable for operating pressures of

at least 4.3 MPa(AC026/035/052/071FE*DKF), 4.5

MPa(AC100/120/140/160FE4DKF) and for a burst

pressure of at least 17.0 MPa. Copper pipe for hydro-

sanitary applications is completely unsuitable.

• For sizing and limits (height difference, line length,

max. bends, refrigerant charge, etc.) see the outdoor

unit installation manual.

• All refrigerant connection must be accessible, in order

to permit either unit maintenance or removing it

completely.

• If the pipes require brazing, make sure that oxygen free

nitrogen (OFN) is flowing through the system.

• Nitrogen blowing pressure range is 0.02 to 0.05 MPa.

Step 8 Performing the gas leak test

To identify potential gas leaks on the indoor unit, inspect the

connection area of each refrigerant pipe using a leak detector

for R-32.

Before recreating the vacuum and recirculating the refrigerant gas,

pressurize the whole system with nitrogen (using a cylinder with a

pressure reducer) at a pressure above0.2 MPa,less than4.0 MPa in

order to immediately detect leaks on the refrigerant fittings.

Made vacuum for 15 minutes and pressurizing system with

nitrogen.

1 way Cassette

Insulator

Liquid side

Gas side

4 way Cassette

Liquid side

Gas side

Insulator

Step 9 Insulating the refrigerant pipes

Once you have checked that there are no leaks in the system,

you can insulate the piping and hose.

1 To avoid condensation problems, place Acrylonitrile

Butadien Rubber separately around each refrigerant pipe.

No gap

NBR

DB68-13503A-01_IM_CAC R-32 WindFree1_4way_EA_EN_.indd 18DB68-13503A-01_IM_CAC R-32 WindFree1_4way_EA_EN_.indd 18 2025-04-08 오전 8:53:212025-04-08 오전 8:53:21

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