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PMEN0654 rev.0 - 12/2023

GENERAL INDEX

General Index

1. General informaon ...................................................................................................1

1.1 General informaon ..........................................................................................2

1.2 Applied symbols.................................................................................................2

1.3 Addional informaon about safety .................................................................3

1.4 Important noce ................................................................................................4

1.5 Product guide ....................................................................................................5

1.5.1 Classicaon of the outdoor unit ............................................................5

1.5.2 Outdoor units product line-up ................................................................5

2. Name of parts and dimensional data .........................................................................6

2.1 RAS-(2-3)HVRC3 .................................................................................................7

3. Refrigerant cycle .........................................................................................................8

3.1 General notes ....................................................................................................9

3.2 RAS-(2/2.5)HVRC3 .............................................................................................9

3.3 RAS-3HVRC3 ....................................................................................................10

4. Addional consideraons for the unit installaon ...................................................11

4.1 Installaons with exposure to strong winds ...................................................12

5. Refrigerant piping and refrigerant charge ................................................................13

5.1 Selecon of the copper pipes .........................................................................14

5.2 Three principles on work with refrigerant pipes.............................................14

5.3 Flared pipes .....................................................................................................15

5.3.1 Selecon of the connecon with are ng .......................................15

5.3.2 Dimensions of ared pipe .....................................................................16

5.3.3 Flared connecon mounng .................................................................16

5.4 General instrucons on the installaon of refrigerant pipes .........................17

5.4.1 Preparing copper refrigeraon pipes ....................................................17

Hitachi UTOPIA R32 Series User Manual

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