General information ................................................................................................................................................ 1

1.1.1 General notes ................................................................................................................................................................... 1

1.1.2 Introduction ...................................................................................................................................................................... 1

1.1.2.1 Overview of YUTAKI system ............................................................................................................................... 1

1.1.2.2 Summary of operations ....................................................................................................................................... 2

1.2

Applied symbols ..................................................................................................................................................... 3

1.3

Product guide ......................................................................................................................................................... 4

1.3.1 Classification of the units .................................................................................................................................................. 4

1.3.1.1 Split system - Outdoor unit .................................................................................................................................. 4

1.3.1.2 Split system - Indoor unit ..................................................................................................................................... 4

1.3.1.3 Complementary system ...................................................................................................................................... 5

1.3.2 Product list ........................................................................................................................................................................ 5

1.3.2.1 Split system - R32 Outdoor unit .......................................................................................................................... 5

1.3.2.2 Split system - R410A Outdoor unit ...................................................................................................................... 5

1.3.2.3 Split system - Indoor unit ..................................................................................................................................... 6

1.3.2.4 Complementary system ...................................................................................................................................... 7

2 GENERAL SAFETY NOTES .........................................................................................................8

2.1

Additional information about safety ........................................................................................................................ 8

2.2

Important notice...................................................................................................................................................... 8

3 ELECTRICAL DATA ......................................................................................................................9

3.1

Considerations ....................................................................................................................................................... 9

3.2

Split system - R410A Outdoor unit ....................................................................................................................... 10

3.3

Split system - R32 Outdoor unit ........................................................................................................................... 10

3.4

Split system - Indoor unit .......................................................................................................................................11

3.4.1 YUTAKI S ........................................................................................................................................................................11

3.4.2 YUTAKI S COMBI........................................................................................................................................................... 12

4 WORKING RANGE .....................................................................................................................13

4.1

Power supply working range ................................................................................................................................ 13

4.2

R410A Temperature working range ...................................................................................................................... 13

4.2.1 Space heating ................................................................................................................................................................ 13

4.2.2 DHW ............................................................................................................................................................................... 14

4.2.3 Swimming pool heating .................................................................................................................................................. 15

4.2.4 Space cooling (Necessary cooling kit) ........................................................................................................................... 16

VII

PMML0575 rev.1 - 09/2021