1.1 General information .................................................................................................................................. 12

1.1.1 General notes ................................................................................................................................................ 12

1.1.2 Introduction .................................................................................................................................................... 12

1.1.3 Environment-friendly units ............................................................................................................................. 13

1.2 Applied symbols ........................................................................................................................................ 14

1.3 Product guide............................................................................................................................................ 15

1.3.1 Classification of indoor unit models ............................................................................................................... 15

1.3.2 Classification of outdoor unit models ............................................................................................................. 15

1.3.3 Classification of Domestic Hot Water Tank accessory .................................................................................. 15

1.3.4 Product guide: indoor unit ............................................................................................................................. 16

1.3.5 Product guide: outdoor unit ........................................................................................................................... 17

1.3.6 Accessory code list ........................................................................................................................................ 17

2. Features and benefits .................................................................................................. 21

2.1 Selection benefits ..................................................................................................................................... 22

2.1.1 Environment-friendly system ......................................................................................................................... 22

2.1.2 Expanded selection range ............................................................................................................................. 23

2.1.3 Adaptability to the customer's/system needs ................................................................................................ 24

2.2 Installation benefits ................................................................................................................................... 25

2.2.1 Easy unit installation ...................................................................................................................................... 25

2.2.2 Easy and flexible electrical installation .......................................................................................................... 28

2.3 Start-up benefits ....................................................................................................................................... 29

2.3.1 Start-up by pressing the Run/Stop button of LCD user's interface ............................................................... 29

2.3.2 Floor screed drying (Circuits 1 & 2) (Optional function) ................................................................................ 29

2.3.3 Test run operation from LCD user's interface ................................................................................................ 29

2.4 Functionality benefits ................................................................................................................................ 30

2.4.1 High efficiency system ................................................................................................................................... 30

2.4.2 Wide capacity range ...................................................................................................................................... 30

2.4.3 Expanded working range ............................................................................................................................... 31

2.4.4 Advanced technology .................................................................................................................................... 32

2.5 Control features ........................................................................................................................................ 44

2.5.1 Flexible space heating/cooling configuration and control .............................................................................. 44

2.5.2 Flexible Domestic Hot Water (DHW) control ................................................................................................. 48

2.5.3 Swimming pool combination control ............................................................................................................. 50

2.5.4 Flexible water pumps control ......................................................................................................................... 50

2.5.5 Other optional functions ................................................................................................................................ 50

TCGB0070 rev.3 - 04/2012