Daikin RXM20A5V1B handleiding

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Handleiding

7 | Piping installation

Installer reference guide

RXA-B8, RXM-A(9), ARXM-A(9), RXP-N9, RXF-D(9), ARXF-A(9), RZAG-B

R32 split series

4P766272-2 – 2024.01

7 Piping installation

In this chapter

7.1 Preparing refrigerant piping................................................................................................................................................... 32

7.1.1 Refrigerant piping requirements ........................................................................................................................... 32

7.1.2 Refrigerant piping insulation ................................................................................................................................. 33

7.1.3 Refrigerant piping length and height difference................................................................................................... 33

7.2 Connecting the refrigerant piping.......................................................................................................................................... 34

7.2.1 About connecting the refrigerant piping............................................................................................................... 34

7.2.2 Precautions when connecting the refrigerant piping ........................................................................................... 34

7.2.3 Guidelines when connecting the refrigerant piping ............................................................................................. 35

7.2.4 Pipe bending guidelines ......................................................................................................................................... 36

7.2.5 To flare the pipe end.............................................................................................................................................. 36

7.2.6 Using the stop valve and service port.................................................................................................................... 37

7.2.7 To connect the refrigerant piping to the outdoor unit ......................................................................................... 39

7.3 Checking the refrigerant piping.............................................................................................................................................. 39

7.3.1 About checking the refrigerant piping................................................................................................................... 39

7.3.2 Precautions when checking the refrigerant piping ............................................................................................... 39

7.3.3 To check for leaks................................................................................................................................................... 40

7.3.4 To perform vacuum drying .................................................................................................................................... 40

7.1 Preparing refrigerant piping

7.1.1 Refrigerant piping requirements

CAUTION

Piping and joints of a split system shall be made with permanent joints when inside

an occupied space except joints directly connecting the piping to the indoor units.

NOTICE

The piping and other pressure-containing parts shall be suitable for refrigerant. Use

phosphoric acid deoxidised seamless copper for refrigerant piping.

INFORMATION

Also read the precautions and requirements in the "2 General safety

precautions"[47].

▪ Foreign materials inside pipes (including oils for fabrication) must be ≤30 mg/

10m.

Refrigerant piping diameter

Use the same diameters as the connections on the outdoor units:

Model Pipe outer diameter (mm)

Liquid pipe Gas pipe

RZAG35, RXA42 Ø6.4 Ø9.5

RZAG50+60, RXA50,

ARXM50+60,

RXM50+60, RXP, RXF,

ARXF

Ø6.4 Ø12.7

RXM71 Ø6.4 Ø15.9

Bekijk gratis de handleiding van Daikin RXM20A5V1B, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.