Daikin 3MXM52A2V1B8 handleiding

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Daikin

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Handleiding

7 | Piping installation

Installer reference guide

2MXM-A8, 3MXM-A8, 4MXM-A8, 5MXM-A8

R32 Split series

4P766272-5C – 2025.05

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................................................................................................... 34

7.2 Connecting the refrigerant piping.......................................................................................................................................... 35

7.2.1 About connecting the refrigerant piping............................................................................................................... 35

7.2.2 Precautions when connecting the refrigerant piping ........................................................................................... 35

7.2.3 Guidelines when connecting the refrigerant piping ............................................................................................. 37

7.2.4 Pipe bending guidelines ......................................................................................................................................... 37

7.2.5 To flare the pipe end.............................................................................................................................................. 37

7.2.6 Connections between outdoor and indoor unit using reducers........................................................................... 38

7.2.7 Using the stop valve and service port.................................................................................................................... 41

7.2.8 To connect the refrigerant piping to the outdoor unit ......................................................................................... 42

7.3 Checking the refrigerant piping.............................................................................................................................................. 43

7.3.1 About checking the refrigerant piping................................................................................................................... 43

7.3.2 Precautions when checking the refrigerant piping ............................................................................................... 43

7.3.3 To check for leaks................................................................................................................................................... 43

7.3.4 To perform vacuum drying .................................................................................................................................... 44

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

2MXM68

Liquid piping 2× Ø6.4mm (1/4")

Gas piping 1× Ø9.5mm (3/8")

1× Ø12.7mm (1/2")

3MXM40, 3MXM52, 3MXM68

Liquid piping 3× Ø6.4mm (1/4")

Gas piping 1× Ø9.5mm (3/8")

2× Ø12.7mm (1/2")

Bekijk gratis de handleiding van Daikin 3MXM52A2V1B8, 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.